Apple Technician Guide MacBook (13-inch, Aluminum, Late 2008) Updated 2010-06-15
Apple Inc. © 2008 Apple Inc. All rights reserved. Under the copyright laws, this document may not be copied, in whole or in part, without the written consent of Apple. Every effort has been made to ensure that the information in this document is accurate. Apple is not responsible for printing or clerical errors. Apple 1 Infinite Loop Cupertino, CA 95014-2084 USA + 1 408 996 1010 www.apple.com Apple, the Apple logo, Mac, MacBook, and Macintosh are trademarks of Apple Inc., registered in the U.S.
MacBook (13-inch, Aluminum, Late 2008) Contents Manual Updates 9 Updated 15 June 2010 9 Updated 14 May 2010 9 Updated 16 November 2009 9 Updated 21 August 2009 9 Updated 19 June 2009 10 Updated 9 June 2009 10 Updated 10 March 2009 10 Updated 16 December 2008 11 Updated 17 November 2008 11 Updated 19 October 2008 12 Updated 17 October 2008 12 Manual introduced 14 October 2008 12 Basics Overview 14 Identifying Features 14 Note About Images in This Manual Serial Number Location 16 Serial Number On Top Ca
Liquid Submersion Indicators 23 Common Reset Procedures 24 Apple Service Diagnostics 25 Clamshell Service Diagnostic Read Me 26 Display Issue: Pixel Anomalies 26 Symptom Charts 28 Startup and Power Issues 28 No Power 28 Won’t Start Up 31 Intermittent Shutdown 34 No Video/Bad Video 38 Battery Isn’t Recognized or Won’t Charge Kernel Panic/System Crashes 45 Battery Run Time Too Short 48 Won’t Run on Power Adapter Alone 48 Power Adapter Issue 49 Noise / Hum / Vibration 51 Burnt Smell / Odor 53 Battery Leakin
Optical Drive Not Recognized/Mount 87 Optical Drive Noisy 88 Optical Drive Not Performing to Specs 90 Uncategorized Symptom 91 Input/Output Devices 92 USB Port Does Not Recognize Known Devices 92 Built-in Keyboard Does Not Work Properly 93 Specific Keys Don’t Work 94 Built-in Trackpad Does Not Work 95 Built-in Keyboard Has Dim or No Keyboard Backlight 96 Built-in Keyboard Is Not Recognized 97 Built-in Trackpad Does Not Track Properly 98 Apple Remote Inoperable 100 Built-in Speaker Has No Audio 101 Distor
Bottom Case 127 Removal 128 Replacement 129 Memory 130 Removal 131 Replacement 132 Mid Wall 133 Battery Connector Cover 135 Battery Cable Guide 137 Battery Power Cable 139 Removal 140 Replacement 140 Battery Indicator Light (BIL) Cable Removal 142 Replacement 144 Camera Cable Guide 145 Removal 146 Replacement 146 LVDS Cable Guide 147 Display Assembly 149 Removal 150 Replacement 151 Display Clutch Cover 153 Removal 154 Replacement 155 AirPort Card 156 Removal 157 Replacement 158 AirPort Antenna
Fan 174 Keyboard Flex Bracket 176 Trackpad 178 Removal 179 Replacement 182 Logic Board 187 Removal 188 Replacement 191 Left Speaker 193 Removal 194 Replacement 195 MagSafe Board 196 Removal 197 Replacement 197 Heatsink 198 Removal 199 Replacement 200 Microphone Cable 202 Removal 203 Replacement 204 Center Bracket 205 Kensington Lock 206 Hard Drive Front Bracket with IR/Sleep Cable Top Case 210 Additional Procedures Hinge Replacement and Alignment 213 Views Exploded Views 216 Main Assembly
Bottom Case 222 Display Assembly 223 Top Case 224
Manual Updates Updated 15 June 2010 Troubleshooting: • General Troubleshooting: Resetting the System Management Controller (SMC): Updated text to clarify MagSafe LED behavior; deleted text requiring resetting date and time.
Updated 19 June 2009 Troubleshooting: • Startup and Power Issues: Modified Noise/Hum/Vibration Deep Dive table, steps 7-8 • Display: Modified Noise/Unstable Flickering Deep Dive table, steps 3-6 Updated 9 June 2009 Troubleshooting: • Display/Display Anomalies: Added “Deep Dive: Vertical/Horizontal Lines” table • Built-in Trackpad Does Not Work: Modified Deep Dive table for trackpad replacement • Built-in Trackpad Does Not Track Properly: Modified Deep Dive table for trackpad replacement Take Apart: • Added
Updated 16 December 2008 Basics: • Product Configuratios: Corrected “Better” model number to MB466 • Required Tools: Added EMI-safe tweezers to tools list; added ASD and AHT version numbers General Troubleshooting: • Functional Overview: Updated heatsink thermal sensor box; updated memory startup tones • Block Diagram: Updated memory to DDR3 and Bluetooth to 2.
Updated 19 October 2008 Corrected internal links. Updated 17 October 2008 • • • Corrected internal links. Take Apart: Reorganized topic sequence following Display Assembly. Exploded View: Display Assembly: Corrected display assembly part number to 661-4820.
Apple Technician Guide Basics MacBook (13-inch, Aluminum, Late 2008) © 2008 Apple Inc. All rights reserved.
Overview The MacBook (13-inch, Aluminum, Late 2008) computer features a powerful new NVIDIA GeForce 9400M graphics processor, Multi-Touch trackpad, and aluminum body. Refer to more features below.
Product Configurations The following table shows the MacBook (13-inch, Aluminum, Late 2008) model configurations at introduction: Feature Better (MB466) Best (MB467) Intel Core 2 Duo processor 2.0 GHz 2.4 GHz Memory, DDR3 1066, SO-DIMMs 2 GB (2 x 1 GB); up to 4 GB (2 x 2 GB) 2 GB (2 x 1 GB); up to 4 GB (2 x 2 GB) Hard Drive, Serial ATA 100 5400 rpm 160 GB; up to 320 GB 250 GB; up to 320 GB Optical Drive (SATA) 8x DL Super, 9.5 mm 8x DL Super, 9.
Serial Number Location Serial Number On Top Case Remove the access door and battery to see the serial number on the inside front wall of the top case. Transferring the Serial Number When replacing a top case, retain the customer’s top case until the repair is complete. Before installing the replacement top case, peel up the serial number label from the original top case and transfer it to the replacement.
General Information Required Tools Caution: To prevent scratches or other cosmetic damage to the computer housing, use a soft cloth as a protective layer when removing and installing the external screws.
The Glass Panel Warning: The glass panel for this model is not a serviceable part. If the glass is broken or scratched, replace the display assembly. Attempting to remove the glass can permanently shatter the display face and damage other parts. To clean the glass panel, use the Apple polishing cloth (922-8245) and iKlear Apple Polish or Brillianize anti-static spray cleaning solution. Alternatively, IPA (isopropyl alcohol) can be used.
Apple Technician Guide Troubleshooting MacBook (13-inch, Aluminum, Late 2008) © 2008 Apple Inc. All rights reserved.
General Troubleshooting Update System Software Important: Whenever possible before beginning troubleshooting, ensure the latest software and firmware updates have been applied. Troubleshooting Theory For general information on troubleshooting theory, go to GSX and find the Service Training course menu link. From there you can access the Troubleshooting Theory self-paced course. Hardware vs. Software For information on how to isolate a hardware issue from a software issue, refer to: http://support.apple.
Functional Overview Refer to this diagram for symptoms related to logic board connectors.
Block Diagram Refer to this diagram to see how modules are interrelated.
Liquid Submersion Indicators To help discover accidental damage to the computer, the top case includes spill sensors called liquid submersion indicators (LSI). The sensors are only visible when the bottom case and most of the modules have been removed. Normally represented by small white dots, the LSIs turn red (indicated by the four small, round dots shown below) when they have come in contact with liquid, such as an accidental spill.
Common Reset Procedures When a reset procedure is required for troubleshooting, follow the applicable steps: Resetting the System Management Controller (SMC) To reset power management via the SMC chip: 1. If the computer is on, turn it off by choosing Shutdown from the Apple () menu. 2. Connect the power adapter to the computer and to a working power source. 3. Important: Use the keys on the left side of the keyboard. On the built-in keyboard, press Shift-Control-Option along with the power button once.
Starting Up in Safe Mode A Safe Boot is a special way to start Mac OS X when troubleshooting. To start up into Safe Mode (Safe Boot), 1. Make sure the computer is shut down. 2. Press the power button. 3. Immediately after you hear the startup tone, press and hold the Shift key. Note: The Shift key should be held as soon as possible after the startup tone but not before. 4. Release the Shift key when you see the screen with the gray Apple and progress indicator (looks like a spinning gear).
Clamshell Service Diagnostic Read Me Isolating video and wireless issues in portable computers can be time consuming and confusing. The Clamshell Service Diagnostic (CSD) is a new diagnostic tool that checks Apple’s latest portable computers for the presence of AirPort, Bluetooth, LCD and Ambient Light Sensor (ALS) to assist you in quickly making a failure determination.
4. If the number of subpixel anomalies exceeds the acceptable number shown above, replace the LCD panel display assembly. Numbers outside the acceptable range would be Bright 4 or more Dark 6 or more Combination 8 or more 5. If the number of subpixel anomalies is acceptable, explain to the customer that the pixel anomalies are within specifications, and no repair is necessary. Important: Do not release the specifications to customers.
Symptom Charts Follow the steps in the order indicated below. If an action resolves the issue, retest the system to verify. Note: A compilation of Quick Check tables is available at http://service.info.apple.com/QRS/ en/quickreference.
2010-06-15 2. Reset SMC., and verify unit starts. (Alternative hardware SMC reset can be forced by shorting R5001 pads on logic board or removing all system power for 1 minute.) Can system start up after SMC reset? Yes Corrupt SMC state preventing power on. Issue resolved with SMC reset. No Go to step 3 3. Will system power up with battery only? Check battery level LED indicator for status of battery charge or battery use error.
2010-06-15 7. Inspect MagSafe port on computer for physical damage, debris or metal fragments attracted to magnetic connector. Is MagSafe connector clean and free from defects? Yes Go to step 8 No Clean port assembly. Replace MagSafe board if necessary. 8. Verify adapter status LED turns on green then orange indicating power and battery charge in progress. A green LED can indicate a full battery, removal of battery or battery not recognized. Yes System starts and has power.
Won’t Start Up Unlikely cause: display assembly, speakers, fan, camera, microphone Quick Check Symptom Quick Check Power but No start up • No startup chime, some video activity, Apple logo, startup spin dial • Startup chime with possible beep tones. • Fan, hard drive spin or optical drive reset sound • Sleep LED is on , blinking or went out • Caps Lock LED toggles when pressed 1. Reset SMC. 2. Verify startup process passes initial memory checks – no beep errors or flashing sleep LED indicators.
3. Reseat customer memory and/or swap in knowngood memory to isolate bad memory and replace defective parts. Yes Customer memory defective and replaced. Continue to verify startup process. Go to step 4 X02 No Should known-good memory fail in one or more slots, replace logic board. M07 4. Hold the Alt (Option) key during startup and verify there is a bootable hard drive shown in Startup Manager. Choose customer hard drive.
8. Use Disk Utility loaded from OS install disc to verify if hard drive is available on device list. Is customer hard drive listed in Disk Utility? Yes Customer hard drive available for inspections and repair. Go to step 10. No Hard drive not present, troubleshoot hard drive and cable. Go to step 9. 9. Troubleshoot hard drive and hard drive SATA cable with cable reseat and known-good part substitutions.
Intermittent Shutdown Unlikely cause: hard drive, optical drive Troubleshooting Shutdown Issues Before troubleshooting shutdown issues, always do the following: • Run the available Apple diagnostics to check for cause of previous shutdown(s). Running ASD also helps isolate any abnormal value reading from a thermal, voltage, or current sensor or from a fan speed meter.
Suggested steps for troubleshooting: • Reset SMC. • Check that AC cable, AC adapter and battery connections are secure to logic board. • Verify battery and power adapter sources using the Battery and Adapter test utility. Hardware-related system shutdown These shutdowns are due to temperature, voltage, current, fan speed or other hardware-related sensor values going out of range. • One of the temperature sensors reached a specified temperature limit.
Deep Dive Check Result 1. Activity related shutdowns: Reset SMC and PRAM and verify that shutdown issue still happens. Yes Check with known-good bootable drive: go to step 2 No Shutdown cause was related to SMC or Pram programmed shutdown settings or corruption, and was resolved by reverting them to default settings. 2. Booting from known-good bootable drive , verify that shutdown issue still happens. Yes Go to Power related shutdowns on step 3 No Shutdown events do not happen on known-good OS.
5. Check system running on battery only. Use known-good charged battery. Verify if shutdown/reset/sleep issues disappear when knowngood battery is used without AC adapter. Yes No Symptoms unchanged - Go to step 6 6. Check with known-good AC adapter source only Remove battery and use known-good AC adapter. Verify if the shutdown/reset/ sleep issues disappear with known-good adapter. Yes Faulty user’s AC adapter. Replace user’s AC adapter if AC cable and duckhead were confirmed good.
8. Verify if a thermal sensor or fan failure is reported in ASD or other available service utility. Yes -If fan not running failure, check for fan cable seating and retest. If same failure after retest replace fan with known-good fan and retest. If issue does not happen with known-good fan, replace user’s fan. -If an over temp failure reported, check for cause of over temp, like obstructed vent, dust in heatsink fin, clogged fan and retest.
Deep Dive Check Result 1. Characterize video issue Define whether the issue is a bad image with backlight OR no video issue. Verify whether some image even distorted is visible. Yes Bad image quality, go to step 5 No No image seen or image visible with no backlight, go to Step 2 2. Isolate Peripherals as cause Disconnect all peripherals, external devices, and display adapters if present and verify that video is displayed. Yes Suspect peripherals as cause.
6. Connect External video Connect known-good VGA/ DVI adapter to known-good display, press power button and close display to force main screen startup on external video. Verify that video is correct when displayed from external display. 7. Isolate LCD display detection Disconnect external monitor and reopen display and restart unit. Verify that sleep LED indicator goes off after internal LCD has been detected. 8.
9. Check for No Backlight Condition. Power on unit. Using a lamp or bright light source, inspect for faint image, and verify that any faint image appears. 10. Verify with known-good display assembly Connect known-good display assembly to system. 11. Verify with reseated LVDS cable or replaced display assembly Verify that unit now has video and backlight. 2010-06-15 Yes Logo image visible - check LVDS cable on logic board. Inspect cable for damage near clutches: .
Battery Isn’t Recognized or Won’t Charge Unlikely cause: display assembly, speakers, optical drive, hard drive, trackpad Quick Check Symptom Quick Check Battery isn’t recognized or won’t charge • AC adapter • No MagSafe LED indicator • No orange charge indication • Battery status LEDs: - single chase - all flash - no LED 1. Check battery level and test AC power. 2. Test system with known-good battery. 3. Test customer’s battery in known-good system. Deep Dive Check Result Action 1.
5. Does battery status indicate the battery is recognized but not charging with all LEDs blinking? Yes Go to step 8 and tag battery as a possible P10 candidate No Go to step 6 6. Does battery status indicate battery charge and flash the next level 5 times? Yes Customer battery charging, check battery condition. Go to step 13 No Flashing first LED only, go to step 7 (P10) No battery status LEDs on, go to step 11 7.
13. Open Apple System Profiler and click on the Power Tab on the left. Is the battery over 300 cycle counts? Yes Battery has been consumed, and customer will need to purchase a replacement. No Go to step 14. 14. Is battery less than a year old? Yes Go to step 16 No Battery warranty expired, go to step 15 Yes Battery is in good health and out of 1 year warranty coverage. Battery should continue to function until consumed. No Battery is consumed after warranty coverage.
Kernel Panic/System Crashes Unlikely cause: Battery, Power Adapter Quick Check Symptom Quick Check Memory Issues/Kernel panic and freezes • Display notice of system kernel panic during start up and desktop use. • System freeze during use. • System freeze upon wake from sleep. 1. Reset SMC and clear PRAM 2. Remove suspect external devices. 3. Verify user memory is Apple-approved memory, and memory configuration matches memory installed. 4. Start up with shift key down for safe mode. 5.
3. Boot in Safe Mode with Shift key down, and check for recent kernel panic data in panic log. Open Panic.log file on hard drive and check for affected interface that crashed. If unit still crashes during startup, you will need to take out disk to a good system to access the file. Verify that kernel panic dependency is not with an I/O interface. 4. Remove I/O device where possible to pinpoint faulty device: Yes Kernel Panic is not a system I/O related device.
5. Start up from optical drive or known-good OS. Attempt to start up with original or product install disc, or from an external hard drive with product OS installed, and verify that system starts without kernal panic. Yes No Symptoms unchanged, go to Step 6 6. Disconnect display assembly and test with known-good display assembly. Verify that system now starts up without kernel panic/freeze. Yes Replace display assembly. No Go to step 7 7.
Battery Run Time Too Short Quick Check Symptom Quick Check Battery Run Time Too Short 1. Check if the battery is covered under a repair extension program. Use the “Portable Computer Battery Screening Process for Apple Service Providers” (Knowledge Base CP165). Battery runs out of power very quickly (less than two hours) 2. Verify no applications have runaway processes with the CPU. See “Runaway applications can shorten battery runtime” (Knowedge Base TS1473). 3.
Deep Dive Check Result Action Code 1. With battery removed, will a known-good AC adapter start up and run the system and show MagSafe LED status? Yes Confirm user’s AC adapter as bad and replace. P14 No Verify MagSafe board cable seating to logic board. Go to step 2 Yes SMC on logic board senses AC power adapter. Go to step 3 No Replace the MagSafe board. Go to step 3. Yes Issued resolved. X03 No Replace logic board.. M01 2.
Deep Dive Check Result Action 1. Verify that the MagSafe LED is green or amber while connecting a known-good AC adapter on customer system. Yes SMC on logic board senses AC power adapter and enabled power. Go to step 4. No Verify MagSafe interconnect board is connected to logic board. Go to step 2 2. Does the unit run on knowngood AC power adapter only? Yes Issued resolved. No Replace the MagSafe interconnect board. Go to step 3. 3.
Noise / Hum / Vibration Unlikely cause: RAM, display assembly, top case, camera, microphone, battery Quick Check Symptom Quick Check Noise / Hum / Vibration 1. Verify and reproduce the source of the noise from the computer / adapter with the customer. Computer or AC adapter emits a noise or vibration. 2. If the AC adapter is the source of the noise disconnect and try a known-good adapter. ( a small amount of hum or vibration is normal with AC adapters ). Deep Dive Check Result Action Code 1.
6. Is the noise coming from the fan? 2010-06-15 Yes The fan(s) are generally running in a slow mode, but may accelerated when intensive processing is required (calculation, 3D gaming, or screen saver animation). If still beyond expected sound level, check for interference of fan with other mechanical element of system (foam, bracket, shield) before replacing a noisy fan. No Go to step 7. 7. Noise may be related to EMI foam gasket shorting some pads on logic board or some pins from LVDS connector.
Burnt Smell / Odor Unlikely cause: Enclosure Quick Check Symptom Quick Check Burnt Smell / Odor 1. Disconnect the battery and AC adapter from the computer. Computer or power adapter emits an odor or smell of smoke. 2. Attempt to identify the source of the odor. Visual clues are component damaged like capacitor chip popped or burn marks. 3. Check AirPort Card cable orientation. Deep Dive Check Result Action Code 1. Has the source of the odor been identified. Yes Replace the affected part.
4. Is the computer operating normally? Yes This could be related to normal operation. Refer to Knowledge Base: 24947 Odors may be present shortterm. No Please refer to best related troubleshooting section. If after inspecting the unit you feel there is a possible safety issue with the computer or AC adapter, please notify Apple. Battery Leaking or Swollen Quick Check Symptom Quick Check Battery Leaking or Swollen • Computer wobbles • Trackpad button does not work • Battery pack case has opened.
Communications Ethernet Port/Device Issue Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera, microphone, top case, display assembly, AirPort card Quick Check Symptom Quick Check Ethernet Port/Device Issue • No Ethernet device present • Unable to access network resources • Ethernet device shows no connection • Ethernet device unable to get an IP address • Slow network performance 1.
2010-06-15 3. Verify if IP address is listed for the Ethernet interface in System Preferences: Network. Connect computer to network with known-good DHCP IP allocation, ensuring static DHCP maps or filtering is not preventing address allocation. Note: DHCP allocation may not be instantaneous depending on network. Retest. Yes Go to step 4. No If connection is OK on knowngood system, replace logic board. 4. Verify connection by using Network Utility to ping another connected computer on the same subnet.
AirPort/Bluetooth: Defective Wireless Devices Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera, microphone, top case Caution: When testing an AirPort card connection, wait at least 5 seconds after shutdown before touching the camera cable connection to the logic board. Waiting less than that could damage the AirPort card.
2010-06-15 2. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat the camera cable connection to the logic board. Yes Loose logic board connection. N04 No AirPort issue, go to step 3, Bluetooth issue go to step 7. 3. (AirPort) Verify the antenna connections to the AirPort card are not reversed or loose. Reseat antenna and I/O cable connections. Yes Loose connections or crossed antenna.
No/Poor Wireless Signal Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera, microphone, top case Caution: When testing an AirPort card connection, wait at least 5 seconds after shutdown before touching the camera cable connection to the logic board. Waiting less than that could damage the AirPort card. Quick Check Symptom Quick Check No/Poor Wireless Signal • Unable to find networks • Intermittent connection dropouts • Slow transfer speeds 1.
2. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat the camera cable connection to the logic board. Yes Loose logic board connection No Go to step 3. 3. Verify the antenna connections to the AirPort card are not reversed or loose. Reseat antenna and I/O cable connections. Yes Loose connections or crossed antenna No If the connectors are secure, antenna connections not reversed and show no signs of damage or wear, go to step 4. 4.
Deep Dive 2010-06-15 Check Result Action Code 1. System Profiler should list Bluetooth radio device under system hardware. Is Bluetooth device available? Yes Bluetooth radio present, verify Bluetooth preference settings, go to step 2. No Attempt Bluetooth repair, go to step 5. 2. System Preferences has a Bluetooth panel. Ensure Bluetooth is on and discoverable. Are there any devices listed in pairing window? Yes Choose known-good device and establish a connection. Go to step 3.
7. Continue to actively test a known-good Bluetooth device to determine if there is a disconnect. Do not allow computer to sleep during this test. Is link lost during test? Yes Check for software update, 2.4 GHz radio interference or device low battery. No Known-good device passed, test with user’s Bluetooth device. 8. Continue to test user’s Bluetooth device to determine if there is a disconnect. Do not allow computer to sleep during this test.
1. Use Software Update to make sure all AirPort/Bluetooth software and firmware updates have been applied. Ensure MAC address filtering is not enabled on the base station. Is kernel panic resolved? Yes Software issue. No Go to step 2. 2. Reseat the camera cable connection to the logic board. Is kernel panic resolved? Yes Go to step 4. No Go to step 3. 3. Isolate AirPort card by removing the I/O connection from the AirPort card. Reconnect camera cable connection to logic board.
Quick Check Symptom Quick Check Wireless Performance Issue / Slow Connection • Slow or stalled data transfers • Intermittent connection dropouts 1. Check for nearby interference sources in the 2.4/5GHz range such as microwave ovens or cordless phones (Knowledge Base HT1365) 2. (AirPort) Check the number of users trying to use AirPort in the area for possible network congestion. Move closer to base station to improve signal reception. 3. (Bluetooth) Move devices closer together. 4.
2. Turn off Bluetooth. Retest AirPort performance. Bluetooth circuitry in the clamshell is not accessible. Refer to Knowledge Base TS1809. 2010-06-15 Yes Possible AirPort interference from the Bluetooth card. Change AirPort base station channel. (Knowledge Base TS1809.) N06 No Continue by checking connections, go to step 3 3. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat the camera cable connection to the logic board.
Wireless Input Device Doesn’t Pair Unlikely cause: display assembly, logic board, optical drive, hard drive Quick Check Symptom Quick Check Wireless Input Device Doesn’t Pair • Can’t get the system to recognize the Bluetooth keyboard or mouse 1. Check Bluetooth System Preference is set to Discoverable. 2. Check Bluetooth device has fully charged batteries. 3. Check for Bluetooth software updates for both the device and Mac OS X. 4.
5. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat camera cable with logic board. Is the Bluetooth radio present, on and pairing with a knowngood device? Yes Bad logic board connection. Issue resolved. No Go to step 6. 6. Install and test a known good clamshell. Is the Bluetooth radio present, on and pairing with a known-good device? Yes Replace display clamshell. L16 No Replace logic board. Optional step 7. M11 7.
Display Display Anomalies Quick Check Symptom Quick Check Display Anomalies • Incorrect/missing colors • Distorted/blurred image • Pixel anomalies • Vertical/horizontal lines • Non-uniform brightness • Image flicker • Image persistence 1. Allow display to reach normal operating temperature for about 15 minutes before evaluating front-of-screen performance. 2. Check display preferences for use of custom display profile. 3. Check brightness setting. 4. Check for Software Updates. 5.
Deep Dive: Incorrect/Missing Colors 2010-06-15 Check Result Action Code 1. Verify display is listed in the System Profiler’s Graphics/ Displays device tree. Yes This ensures color profile can be matched with LCD. Go to step 2. No Go to N09. 2. Verify System Preferences Display Profile is valid for display being tested. Color profile should be set to Color LCD, user may have created an off-color calibration setting.
Deep Dive: Distorted/Blurred Image Check Result Action 1. Sample image illustrates loss of LVDS data signals to LCD or a defective LCD panel. Inspect & reseat LVDS cable connection looking for damaged or bent pins. Is image restored with reseated cable connection? Yes Issue due to loose connection. Display issue resolved. No Go to step 2. 2. Substitute a known good display clamshell to test logic board video output.
Deep Dive: Vertical/Horizontal Lines 2010-06-15 Check Result Action 1. Horizontal lines may be related to a failing RAM module. Verify if video issue only happens AFTER the Apple logo and the spinning wheel has appeared. Yes Issue only happens AFTER Apple logo and spinning wheel appears. Go to step 2. No Issues happens since startup. Go to step 5. 2. Start with shift key down (safe mode) to disable system extensions. Verify if issue still happens when booting in safe mode. Yes Go to step 5.
7. Substitute a known-good display assembly module to test logic board LVDS video output. Is normal video restored? Yes Replace display assembly module. L05 No Replace logic board. M04 Action Code Deep Dive: Non-uniform Brightness Check 2010-06-15 Result 1. Determine if brightness uniformity issue is visible after display has warmed up for 15 minutes. Yes Go to step 2. No Display backlight can take several minutes to stabilize. 2. Check LVDS cable connection to logic board.
Defective Camera / Built-in iSight Not Operating Correctly Quick Check Symptom Quick Check Defective Camera • Camera not detected • No green LED for camera • Excessive blooming • Poor white balance • Poor focus • Green image • Image distortion 1. Check for Software Updates. 2. Verify camera lens and glass panel are clear of contaminants. 3. Ask customer about their lighting. Foggy image can be due to off-axis lighting. Low lighting results in poor image quality. 4.
Blank / No Video Unlikely cause: power adapter, speakers, optical drive, hard drive, fan, microphone, top case, Quick Check Symptom Quick Check Blank / No Video • No video • No backlight 1. Check brightness setting 2. Attach known-good supported external display. 3. Boot from Mac OS X install DVD that came with computer. Deep Dive 2010-06-15 Check Result Action 1. Verify boot chime present when system restarted. Reset SMC and clear PRAM if necessary for proper start up.
6. Verify LCD video works with a known-good display assembly. Yes Replace display assembly. No Go to No Video symptom code flow. L03 Backlight Issue / No Backlight Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, microphone, top case, Quick Check Symptom Quick Check Backlight Issue / No Backlight • Display not illuminated • Flashing, unstable, or nonuniform backlight • Poor backlight at some or all settings Check that brightness setting is above minimum.
4. Swap memory with knowngood memory to determine if video issue is ram related.. 5. Inspect LVDS connectors and cable under magnification for pinched cables and damaged or bent pins. Do any of the connections appear to be defective? 6. Substitute a known-good display clamshell to test logic board video output. Is backlight and display text back to normal? Yes Reseat or replace defective memory No Go to step 5 Yes Defective LVDS cable. Replace display assembly.
2010-06-15 2. Verify display listed in the System Profiler’s Graphics/ Displays device tree is not disappearing intermittently (refresh System Profiler to observe). Yes Power and LCD panel ID are OK. Go to step 3. No Go to No Video symptom code flow. 3. Backlight flickering may be related to EMI foam gasket shorting some pads on logic board or some pins from LVDS connector. Follow Take Apart instructions to remove the EMI foam gasket from LVDS cable and retest.
Mechanical/Physical Damage Quick Check Symptom Quick Check Mechanical/Physical Damage • Broken glass • Broken hinge • Stripped screw/head • Stripped screw boss • Dent or scratch to chassis 1. Determine damage caused by user/technician environment, accidental damage, or abuse. 2. Inform user/technician the failures are not covered by Apple warranties. Refer to http://www.apple.
Mass Storage Hard Drive Read/Write Issue Unlikely cause: LCD, speakers, fan, camera, microphone Quick Check Symptom Quick Check Hard Drive Read/Write Issue Bad Sector/Defective Drive Formatting Issue • Cannot save documents • Read/Write error message • Hang when accessing or saving data 1. Boot from Install DVD. Verify S.M.A.R.T. status of drive using Disk Utility. 2. Repair disk using Disk Utility. 3. Erase disk and reinstall Mac OS using Installer. Deep Dive Check Result Action 1.
4. After reseating hard drive SATA and logic board connections, does known-good hard drive boot to desktop? Yes Reinstall user’s drive, go to step 2 No Suspect hard drive SATA cable, go to step 5. 5. Replace hard drive SATA cable and retest with known-good hard drive. Yes Reinstall user’s drive, go to step 2. X03 No Replace logic board. M19 6. Did user’s hard drive start up successfully? Yes Issue resolved. No Repair or replace hard drive, go to step 7. 7.
Deep Dive 2010-06-15 Check Result Action Code 1. Boot from Restore DVD and launch Disk Utility. Is hard drive available for Disk Utility to repair? Yes Go to step 2. No Go to step 3. 2. Did Disk Utility mount and repair hard drive successfully? Reseat hard drive if necessary. Yes Restart computer, go to step 6. No If computer has not been verified with a known-good hard drive, go to step 3; otherwise, go to step 7. 3.
Hard Drive Noisy Unlikely cause: LCD, speakers, fan, camera, microphone Quick Check Symptom Quick Check Hard Drive Noisy • Noise during start up • Noise during operation • Noise when drive is copying or saving data 1. Start up from Install DVD. Verify S.M.A.R.T. status of hard drive using Disk Utility. 2. Repair disk using Disk Utility. 3. Check for reported noise and compare with Knowledge Base article “Apple Portables: Hard Drives and Noise “ http://support.apple.
5. After installing new hard drive, do you still have drive noise? 6. After removing hard drive, verify if the system is still noisy. 7. Install a known-good hard drive and verify if the noise level is similar to user’s hard drive. Yes Remove hard drive and start up from external drive to test fan noise. Go to step 6. No Issue resolved. Yes Fan noise or optical drive noise likely to be the cause. See ODD Noisy table and Fan failures/Thermal issues table. No Go to step 7.
Deep Dive Check Result Action 1. Is optical drive listed in the device tree for serial-ATA devices in System Profiler? Yes Optical drive has power, inspect disc acceptance. Go to step 5. No Inspect hardware. Go to step 2 2. Verify all connections between logic board, flex cable, and optical drive are secure. Visually inspect cables and connectors for any debris, damage, or bent pins. Is optical drive now listed in System Profiler? Yes Optical drive has power, inspect disc acceptance. Go to step 5.
8. Does disc eject properly from optical drive? Yes Issue resolved. No Replace optical drive or top case that interferes with disc ejection. 9. With replacement flex cable and interconnect board, is disc now recognized? Yes Issue resolved. No Replace optical drive. If drive has already been replaced, then replace logic board.
2. Can optical drive read both CD and DVD known-good media? Yes Go to step 6 No Reading CD only or DVD only indicates laser issue, replace optical drive. J03 Optical drive cannot read any media reliably, go to step 3. 2010-06-15 3. Reseat cable connections at logic board and optical drive. Verify that media is now recognized and reads reliably. Yes Reseat resolved issue. X03 No Go to step 4. 4.
Optical Drive Not Recognized/Mount Unlikely cause: LCD, speakers, fan, camera, microphone Quick Check Symptom Quick Check Optical Drive Not Recognized/ Mount • Discs inject and eject, but do not appear in Finder 1. Use Apple System Profiler ATA section to see if the optical drive appears. 2. Serial-ATA section of Apple System Profiler will show any media inserted. 3. Check Finder Preferences: General and make sure “CD’s, DVD’s and iPods” is checked under “Show these items on the Desktop.” 4.
Optical Drive Noisy Unlikely cause: LCD, speakers, fan, camera, microphone Quick Check Symptom Quick Check Optical Drive Noisy • Noise during boot • Noise during operation • Noise when drive is copying or writing data 1. Test optical media in another drive of the same type in same type of computer to rule out media issue. 2. Check with known-good discs. Install discs that came with the computer. 3. Check to see if noise occurs without media in the drive.
2010-06-15 4. Disc spin should cease 30 seconds after mounting data CD on OS desktop. Is the noise related to disc spin? Yes Go to step 5. No Go to step 6. 5. Remove the optical drive and check for the correct seating of the brackets on the optical drive and in the top case. Reinstall drive in unit and retest. Verify if drive is still noisy. Yes Go to step 6. No Issue resolved. Optical drive was not properly mounted in enclosure. (Possible physical damage to optical drive.) 6.
Optical Drive Not Performing to Specs Unlikely cause: LCD, speakers, fan, camera, microphone Quick Check Symptom Quick Check Optical Drive Not Performing to Specs 1. Test optical media in another drive of the same type in same type of computer to rule out media issue. Read or write speeds slower than expected. 2. Check with known-good discs—Install discs that came with the computer. 3. For disc write issues, check with known-good media that performs well in another computer and drive of the same type.
4. Install and test with replacement optical drive SATA flex cable. Verify that media is now recognized and reads reliably. Yes Cable change resolved issue. X03 No Replace optical drive. (Mechanical damage to optical drive, if found) J03 (J05) 5. Test write data to compatible CD and DVD media. Verify burned media is recognized and reads reliably. Yes Issue resolved. No Replace optical drive.
Input/Output Devices USB Port Does Not Recognize Known Devices Unlikely cause: LCD, hard drive, optical drive Quick Check Symptom Quick Check USB Port Does Not Recognize Known Devices 1. Check the for latest software update. USB-wired keyboard/mouse or USB flash drive not recognized 2. Use Apple System Profiler to verify the computer recognizes the USB bus. 3. Test port with known good Apple keyboard or mouse. 4. Verify any USB hubs have sufficient power.
Built-in Keyboard Does Not Work Properly Unlikely cause: LCD, hard drive, optical drive Quick Check Symptom Quick Check Built-in Keyboard Does Not Work Properly • Keystrokes not recognized • Locks up • Displayed characters don’t match 1. In System Preferences: International: Input Menu, enable Keyboard Viewer. Select Show Keyboard Viewer from the Input Menu in the menu bar. Test the keyboard. 2. Confirm correct keyboard layout is selected. 3. Update to the latest system software. 4.
3. Disconnect and verify that keyboard flex cable is in good condition (no delamination or torn cable end, no missing or cracked tracks). Yes Go to step 4. No Replace top case. Go to step 5. K01 4. Reseat cable and check that flex cable end is fully inserted and aligned with connector on logic board, and that connector lock is closed. Verify that keyboard now functions properly. Reseat cable and verify with ASD that all keys are functional. Yes Issue resolved. K01 No Replace top case.
Built-in Trackpad Does Not Work Quick Check Symptom Quick Check Built-in Trackpad Does Not Work • Cursor does not move. • Select button of trackpad inoperable • Multiple touch features inoperable 1. Check for environmental factors such as humidity, hand lotion or jewelry. Check if user is touching the trackpad simultaneously with both hands. 2. Clean the trackpad surface (with the computer powered off) using a clean, dry, lint-free cloth. 3. Make sure all software and firmware updates have been applied.
6. Does the select button click? Verify trackpad alignment is proper and click-depth set screw is at factory setting. Yes All trackpad issues resolved. No Go to step 7 7. Does a known-good trackpad work? Yes Replace trackpad according to symptom found. - No mouse/trackpad response - Trackpad cursor not tracking properly - Trackpad button issues No Replace logic board.
3. Measure the voltage between pin 4 and pin 2 of the keyboard backlight connector J5815. Is there voltage present with the running system in a dark room? Yes Replace top case. K10 No Go to step 4. 4. Reseat the keyboard backlight connection to the logic board. Does the keyboard backlight work now? Yes Issue resolved. No Go to step 5 5. In the Apple System Profiler, can you see the AirPort and Bluetooth cards? Yes The light sensor connection to logic board is likely good.
2. Reset SMC and verify if keyboard/trackpad is now seen in Apple System Profiler. Yes Go to step 3. No Replace logic board. 3. Disconnect and verify that keyboard flex cable is in good condition (no delamination or torn cable end, no missing or cracked tracks). Yes Go to step 4. No Replace top case. Go to step 5. 4. Reseat cable and check that flex cable end is fully inserted and aligned with connector on logic board, and that connector lock is closed. Verify that keyboard now functions properly.
Deep Dive Check Result Action 1. Can you see the trackpad continuously listed under USB in Apple System Profiler? Yes Trackpad communicating to system. Go to step 5. No Go to step 2 2. Does the trackpad look damaged? Yes Replace trackpad. Go to step 6. No Go to step 3. 3. Reseat the trackpad flex cable on the logic board. Does the trackpad work now? Yes Loose cable. Issue resolved. No Go to step 4. 4. Is the trackpad connector on the logic board damaged? Yes Replace logic board.
Apple Remote Inoperable Unlikely cause: LCD, hard drive, optical drive Quick Check Symptom Quick Check Apple Remote Inoperable • Remote is not recognized. 1. The computer is on and awake. 2. Check with known-good remote on user’s computer and the user’s remote on known-good computer 3. Remote is used within 30 feet of the computer and unobstructed line-of-sight to the IR window. 4. Clean the IR window. 5. Open System Preferences: Security pane.
4. Does the Apple Remote now work? Yes Issue resolved. No Replace the hard drive front bracket (includes IR/sleep cable). Go to step 5. 5. Does the Apple Remote now work? Yes Issue resolved. K99 No Replace logic board. M15 Built-in Speaker Has No Audio Unlikely cause: LCD, hard drive, optical drive Quick Check Symptom Quick Check Built-in Speaker Has No Audio 1. Make sure all software updates have been applied. Can’t hear any audio from within the machine. 2.
3. Verify that you now get audio through internal speakers . Yes Issue resolved. No Replace logic board. 4. Disconnect known-good headphones or speakers. Verify that you now get audio through internal speakers. Yes Issue resolved. No Replace affected speaker(s). M09 X08 Distorted Sound from Internal Speaker Unlikely cause: LCD, hard drive, optical drive Quick Check Symptom Quick Check Distorted Sound from Internal Speaker • Distorted audio 1. Reset PRAM. 2.
2. Use the Sound Output system preference to test the left and right speakers. If lower bass notes are distorted, right speaker/subwoofer may be defective. Are all speakers free of distortion, sounding clear and loud?. Yes Issue resolved. No Adjust volume to test full range of volume settings. Go to step 3. 3. Is affected speaker cable properly inserted and free from damage? Yes Go to step 4. No Reseat speaker cable or replace damaged speaker. Go to step 5. 4.
Mechanical Issues: Thermals and Enclosure Reset/Power Button Stuck Unlikely cause: LCD, hard drive, optical drive Quick Check Symptom Quick Check Reset/Power Button Stuck • System will not power on • System sounds bootROM unlock tone during startup • System automatically starts up repeatedly 1. Diagnose stuck button with SMC keyboard reset sequence 2. Inspect keyboard connection to logic board. 3. Try logic board power-on pads to determine open or closed power-on key.
3. Inspect keyboard flex cable for loose or damaged connections. Align and reseat to flex cable to ensure proper connections. Does power-on key now work correctly? Yes Cable reseat restored poweron key operation. No Power-on key still appears to be stuck or open. Go to step 4. 4. Use conductive tool to assert power on by touching poweron switch pads (R5015, located just above trackpad connector) on logic board. Yes System powers on suggesting top case power on key circuit is open.
Deep Dive Check Result Action 1. Is the system running as expected (compared to similar system)? Yes Use “Apple Portables: Operating Temperature” (Knowledge Base HT1778) to inform user it is operating normally. No Go to step 2. 2. Are there runaway applications? See “Runaway applications can shorten battery run time” (Knowledge Base TS1473). Yes Check with the vendor for compatibility and software update. No Go to step 3. 3. Fans are typically on at minimum speed.
8. Inspect and reseat connections to thermal sensors throughout the system, run test for sensor monitoring. Yes Thermal module or other sensor reseat resolved issue. No Replace logic board if sensor error. Go to step 9. 9. After logic board replacement, is the computer running as expected? Yes Bad logic board. Issue resolved. No Use minimum configuration troubleshooting to isolate the issue.
Apple Technician Guide Take Apart MacBook (13-inch, Aluminum, Late 2008) © 2008 Apple Inc. All rights reserved.
General Information Vertical Insertion (JST) • • • Use black stick under cable to remove. Keep connector level to board when disconnecting and reconnecting. Press evenly when reconnecting or connector can tip up and not be fully seated. Connector Types on Logic Board On the logic board are six types of connectors, each requiring special handling. Make sure you read these tips before disconnecting and installing the connectors.
• keyboard flex cable Caution: Use black stick to push the keyboard flex cable all the way into connector to prevent “no power” symptoms. Horizontal Install • • Pull connector, not cable, to remove. Slide connector into receptacle on same horizontal plane as board. Examples: • right speaker/ subwoofer cable • MagSafe cable on underside of board • battery power cable on underside of board Multi-Pin Vertical Insert • • Use fingernails to remove evenly. Insert connector parallel to board.
Thin, Multi-Pin Horizontal Insert • • • • • Flip up locking bar, if present. Use fingers or tweezers to slide out cable evenly on same horizontal plane. Grasp cable—not locking bar nor connector—to disconnect. Slide connector into receptacle on same horizontal plane as board. Reseat locking bar, if present to secure connector Examples: • LVDS cable • Camera cable Caution: When removing the LVDS connector, first peel off foam gasket in the direction shown.
Low-Profile Solid Platform Flex • • Use black stick and gentle rocking motion to release tension to remove cable. Keep connector level to board and press evenly on platform to install. Examples: • optical drive flex cable • trackpad flex cable Icon Legend The following icons are used in this chapter: Icon Meaning Warning or Caution Check mark; make sure you do this Temperature Concerns The normal operating temperature of this computer is well within national and international safety standards.
Access Door First Steps: Warning: • Shut down computer. • Wait 10 minutes • Unplug all cables. • Put on ESD strap.
Removal 1 Press locking lever. 2 Lift off access door.
Replacement 1 Attach front of door. 2 Align corners and close door. 3 Close locking lever.
Battery First Steps Remove: • Access door Tools • • Clean, soft, lint-free cloth ESD wrist strap and mat 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Battery 116
Removal 1 Make sure locking lever is up. 2 Pull battery tab to remove battery. Replacement 1 Insert beveled edge of battery into battery bay. Note: Make sure battery connector is well seated. 2 Reassemble computer.
3 Press battery button to check charge level.
Hard Drive Bracket First Steps Remove: • Access door • Battery Caution: Make sure data is backed up before removing the hard drive.
Removal 1 Loosen 1 captive screw. 2 Lift out retaining bar. Replacement Note: Make sure 2 rubber grommets are included in retaining bar before installing it.
Hard Drive First Steps Remove: • Access door • Battery • Hard drive bracket Caution: Make sure data is backed up before removing the hard drive.
Removal 1 Make sure hard drive bracket is removed. 2 Use pull tab to tilt hard drive out.
3 Hold hard drive by the sides only. 4 Disconnect hard drive connector.
Replacement 1 Make sure 4 rubber grommets are included in top case before installing the hard drive. Note: The grommets might be a different color than shown. 2 Make sure 4 Torx T6 (922-8655) mounting screws are installed on drive. If replacement drive does not have mounting screws, transfer them from the old drive.
3 Attach connector, and tilt hard drive into front of top case.
Reinstalling Software that Came with the Computer Use the software install discs that came with your computer to install Mac OS X and the applications that came with your computer. Installing Mac OS X and Applications To install Mac OS X and the applications that came with your computer, follow these steps: 1. Start up from the Mac OS X Install Disc 1 that came with your computer, and choose your language. 2. From the menu bar, choose Utilities > Disk Utility. 3.
Bottom Case First Steps Remove: • Access door • Battery Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetic Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Bottom Case 127
Removal Caution: To prevent scratches, use a protective cloth when working with metal tools. 1 • • • Remove 8 screws: 1 (3 mm) 922-8660 3 (13 mm) 922-8666 4 (3.55 mm) 922-8653 Replacement Note: Install screws in the order shown.
2 Grasp lever and tilt up bottom case. Replacement 1 Press corners to align bottom case to top case. 2 Check alignment as you install screws.
Memory First Steps Remove: • Access door • Battery • Bottom case Caution: Avoid touching anything other than the memory area.
Removal Memory cards must be: • 1.25 inch or smaller • 1 GB or 2 GB • 204-pin • PC-8500 DDR3, 1066 MHz RAM 1 This computer comes with a minimum of 2 GB of 1066 MHz Double Data Rate 3 (DDR3) Synchronous Dynamic Random-Access Memory (SDRAM) installed. It has two slots that can accept SDRAM Small Outline Dual Inline Memory Modules (SO-DIMMs). The slots are stacked on the logic board under the bottom case. For best performance, memory should be installed as pairs with an equal memory card in each slot.
Replacement 1 Install cards at an angle. If installing just one card, install it in lower slot. 2 Spread ejection levers, and press card down. Note: New memory cards might have a harmless white residue on the gold connectors. 3 If you installed additional memory, check that computer recognizes it.
Mid Wall First Steps Remove: • Access door • Battery • Bottom case Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Caution: The screws for this procedure require a newer screwdriver. Using a dull screwdriver can damage the screw heads.
Removal To prevent scratches to the computer housing, use a soft cloth when removing and installing screws. 1 Remove 4 (10.5-mm) 922-8656 screws in order shown. Replacement Note: Install screws in order shown. 2 Lift out mid wall.
Battery Connector Cover First Steps Remove: • Access door • Battery • Bottom case • Mid wall To prevent scratches to the computer housing, use a soft cloth when removing and installing screws.
Removal 1 • • Remove 3 screws: 1 (2.5 mm) 922-8652 2 (1.5 mm) 922-8651 Replacement Note: Install screws in order shown. 2 Lift out battery connector cover.
Battery Cable Guide First Steps Remove: • Access door • Battery • Bottom case • Mid wall • Battery connector cover To prevent scratches to the computer housing, use a soft cloth when removing and installing screws.
Removal 1 Remove 2.7-mm (922-8661) screw. 2 Lift out battery cable guide.
Battery Power Cable First Steps Remove: • Access door • Battery • Bottom case • Mid wall • Battery connector cover • Battery cable guide Tools • • Clean, soft, lint-free cloth ESD wrist strap and mat 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Battery Power Cable 139
Removal 1 Disconnect the battery cable, and peel it up from the top case. 2 Route the cable through the top case slot. Replacement 1 Connect cable to logic board. 2 Press cable to top case so it lays flat.
Battery Indicator Light (BIL) Cable First Steps Remove: • Access door • Battery • Bottom case • Mid wall • Battery connector cover Tools • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Permanent marking felt-tip pen 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Battery Indicator Light (BIL) Cable 141
Removal 1 Draw line on inner edge of cable. to mark cable routing. 2 Remove 2.7 mm (922-8661) screw. 3 Disconnect cable from logic board. 4 Remove battery cable guide. 5 Route cable through top case wall.
6 Remove 3 (3-mm) 922-8657 screws. 7 Lift up BIL board from side of top case. 8 Disconnect cable from BIL board. Note: With board removed, BIL button might pop out. Make sure you retain the BIL button.
Replacement 1 Make sure rubber gasket is installed on inner side of BIL board. 2 Set and hold button in top case wall. Then install cable and BIL board. 3 Press cable so it lays completely flat.
Camera Cable Guide First Steps Remove: • Access door • Battery • Bottom case Tools • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Camera Cable Guide 145
Removal 1 • • Remove 3 screws: 1 (4-mm) 922-8650 2 (8-mm) 922-8665 Replacement Note: Install screws in order shown. 2 Use a black stick to tilt out the camera cable guide. Replacement 1 Important: Insert the cable guide under the speaker and install the 4-mm screw (9228650). 2 Make sure the ground tab is over the cable guide before installing the 2 remaining screws.
LVDS Cable Guide First Steps Remove: • Access door • Battery • Bottom case Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — LVDS Cable Guide 147
Removal 1 • Remove 2 screws: 5-mm in corner (9228658) 7-mm (922-8645) 2 Lift out cable guide. • Replacement Note: Align locator pin to hole in top case.
Display Assembly First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide • LVDS cable guide Tools • • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Torx T6 screwdriver Foam wedge fixture 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Display Assembly 149
Removal 1. Close display and place on soft cloth. 2. In the direction shown, peel off foam gasket from the LVDS connector. Caution: Refer to Connector Types before disconnecting cables. 3. Disconnect and unroute 3 cables: • • • subwoofer camera LVDS 4. Remove 4-mm screw (922-8644) from the subwoofer.
5. Without straining the subwoofer cable, rotate the subwoofer away from the right corner. 6. Open the display to 90 degrees, and place the computer on the foam wedge fixture. 7. Remove 6 (6-mm) Torx 922-8756 screws: Replacement Note: Install screws 1/2 way first; then tighten screws in the order shown. 8. Separate display assembly from top case.
Important: Check the AirPort cable. At the end of the cable, on the metal part, there are two grounding fingers (two U-shaped marks). Orient the grounding fingers so they are facing the AirPort card and are in contact with the AirPort card connector. The grounding fingers should NOT be facing you. Inserting the cable incorrectly will cause logic board failure! With the computer assembled, test the AirPort card for normal operation.
Display Clutch Cover First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide • LVDS cable guide • Display assembly Tools • • Clean, soft, lint-free cloth ESD wrist strap and mat 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Display Clutch Cover 153
Removal 1 Cover display face with clean, soft cloth. 2 Holding left hinge, slide clutch cover 1/4 inch (6.35 mm) away from the LVDS cable. 3 Press down on clutch cover to loosen 4 hooks inside. 4 Tilt up end of clutch cover as you roll it toward display face. 5 Remove clutch cover.
Replacement 1 • • Note shape of clutch cover: flat at bottom curved at top 2 Make sure flat edge is at bottom of display. 3 Tilt clutch cover onto end with longer cable. 4 Lower clutch cover onto display assembly. 5 Listen for snapping sound as hooks engage. 6 Check for good fit.
AirPort Card First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide • LVDS cable guide • Display assembly • Display clutch cover Tools • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Black stick Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — AirPort Card 156
Removal 1 Cover display with clean, soft cloth. 2 Remove 3.3 mm screw (076-1326) from cable clip. Note the wide head on this screw. 3 Lift up cable clip. 4 Disconnect AirPort cable. 5 Disconnect 2 AirPort antenna cables. Replacement Note: Shorter cable is at bottom. 6 Remove 2 (3-mm) screws (076-1326).
7 Lift out AirPort Card. Replacement 1 Make sure thermal pad is centered on AirPort Card within 4 corner guides. If the pad sticks to display assembly tab, scrape it away. 2 Important: Check the AirPort cable. At the end of the cable, on the metal part, there are two grounding fingers (two U-shaped marks). Orient the grounding fingers so they are facing the AirPort card and are in contact with the AirPort card connector. The grounding fingers should NOT be facing you.
3 After installing the remaining connectors and screws, be sure to install the cable clip with the wider head screw.
AirPort Antenna First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide • LVDS cable guide • Display assembly • Display clutch cover • AirPort Card Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — AirPort Antenna 160
Removal 1 Remove 4 ( 3-mm) screws (076-1326). 2 Lift out card. Replacement Note: Make sure the AirPort antenna cable is routed in its channel.
Optical Drive First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide Tools • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Optical Drive 162
Removal 1 • • 2 • • 3 Disconnect cables: subwoofer camera Remove screws: 1 (4-mm) subwoofer (922-8650) 3 (2.5-mm) optical drive (922-8662) Use black stick to carefully disconnect optical drive flex cable. Press cable straight down when installing. 4 Tilt up drive to remove.
5 Handle drive by sides. 6 If replacing optical drive, make sure it has flex cable. Replacement 1 Do not touch sensor on top case.
2 If installing a new optical drive, make sure it has the flex cable attached. 3 Tilt optical drive into top case, making sure cables are out of way..
Optical Drive Flex Cable First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide • Optical drive Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Optical Drive Flex Cable 166
Removal 1 Handle drive by sides. 2 Evenly disconnect optical drive flex cable.
Right Speaker / Subwoofer First Steps Remove: • Access door • Battery • Bottom case • Camera cable guide • Optical drive Tools • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Black stick Kapton tape 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Right Speaker / Subwoofer 168
Removal 1 Break black tape to free subwoofer cable. Replacement Note: Apply Kapton tape. 2 Pry up speaker body to loosen adhesive.
3 Route speaker under display cable. Replacement 1 Peel adhesive backing off right speaker and install in top case.
Hard Drive Connector Cable First Steps Remove: • Access door • Battery • Hard drive • Bottom case • Mid wall • Camera cable guide • Optical drive Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Hard Drive Connector Cable 171
Removal 1 Pull straight up on connector to disconnect cable. 2 Peel up cable from top case.
3 Lift up adhesive tab. 4 Twist strain relief out of top case. Replacement 1 Peel adhesive backing off cable. 2 Press cable so it lays flat in top case.
Fan First Steps Remove: • Access door • Battery • Bottom case Tools • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Fan 174
Removal 1 Use black stick to disconnect fan cable. 2 Remove 3 screws: 1 (7-mm) 922-8645 2 (5-mm) 922-8644 • • Caution: Do not touch heatsink: Replacement Note: Install screws in order shown. 3 Tilt up fan.
Keyboard Flex Bracket First Steps Remove: • Access door • Battery • Bottom case Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Keyboard Flex Bracket 176
Removal 1 Remove 2 (5-mm) 922-8644 screws. 2 Lift out bracket.
Trackpad First Steps Remove: • Access door • Battery • Bottom case • Mid wall • Keyboard flex bracket Trackpad Kit 922-9014 includes: • trackpad • black label • 2 metal flexures • 6 tri-lobe #00 screws • 1 tri-lobe #0 set screw Tools • • • • • • ESD wrist strap and mat Sticky (Post-It) notes Black stick Large tri-lobe #0 screwdriver (922-8991) Small tri-lobe #00 screwdriver (922-9013) Magnetized Torx T5 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Trackpad 178
Removal 1 Disconnect trackpad flex cable from logic board. 2 Remove 6 small trilobe #00 screws from flexures. 3 Remove 1 large trilobe #0 set screw. 4 Dispose of old screws; they lose their ability to hold securely if reused.
5 Hold trackpad and press down on edge closest to logic board. 6 Slide trackpad down and back towards keyboard to clear supports in front edge of top case.
7 Remove trackpad from top case, taking care to route flex cable through hole. 8 Loosen 4 T5 screws. It is not necessary to remove these screws. 9 Remove 2 flexures (thin metal pieces) from top case. 10 Dispose of old flexures; they are matched to each individual trackpad by thickness.
Replacement Important: Dispose of old flexures and tri-lobe screws, and only use new ones included with trackpad kit. 1 Peel and adhere black label (included with new trackpad) to cover trackpad stiffener as shown. 2 Insert flexures squarely into slots in top case.
3 Tighten 4 T5 screws. 4 Carefully route flex cable through guidehole. 5 Pivot trackpad into place, inserting front edge first. Important: Minimize rubbing edges of trackpad against top case while installing. This could cause invisible cracks to form in the glass of the trackpad.
6 Loosely insert 6 small tri-lobe #00 screws into flexures. Do not tighten yet. 7 On the palm rest, insert one sticky (Post-It) note into gap on each of the four sides of trackpad.
8 Fold sticky notes over so that top case can be laid flat. 9 Tighten 6 small trilobe #00 screws at flexures. 10 Inspect that gaps between trackpad and top case are even on all sides. If not, loosen screws and adjust.
11 Insert large tri-lobe #0 set screw. 12 Slowly turn set screw in small increments until trackpad has a normal clicking motion. Important: Do not overtighten set screw or you may damage trackpad. 13 Connect flex cable to logic board.
Logic Board First Steps Remove: • Access door • Battery • Bottom case • Memory • Fan • Keyboard flex bracket Tools • • • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Tweezers (optional) Pencil with eraser Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Logic Board 187
Removal Caution: Do not touch heatsink or gold connectors: Caution: Refer to Connector Types before disconnecting cables. 1 • • • • Disconnect 9 cables: 2 locking lever 2 platform flex 2 low-profile horizontal 3 vertical insert Note: You may use two plastic tweezers to remove and reinstall the locking lever flex cables. 2 • • Remove 5 screws: 1 (3.75-mm) 922-8654 4 (3-mm) 922-8663 Note: Do not remove or loosen 2 MagSafe board screws.
5 Caution: Make sure cables are not pinched. 6 Pivot logic board to free locking pin. 7 Remove 2.7-mm screw (922-8661) and battery cable guide to disconnect battery connector. 8 Disconnect battery connector from underside of logic board.
9 • • Tilt board vertically and locate microphone cable MagSafe cable 10 Disconnect cables and unroute microphone cable from speaker. Caution: Be careful not to strain or pinch the microphone cable. Replacement Note: Make sure cables are routed as shown.. 11 Do not remove the speaker and heatsink if reinstalling the same logic board.
Replacement Caution: Refer to Connector Types when connecting cables. 1 • • • • From underside of board, make sure to connect: left speaker heatsink microphone cable MagSafe cable 2 When tilting board into top case, keep cables away. 3 Install bottom case clip. 4 Install 5 screws in order shown.
Important: New logic boards include a loose Ethernet ID label. When replacing the logic board with a new one, place the label on the inside front wall of the top case, and use a permanent-ink pen to strike out the old Ethernet ID number.
Left Speaker First Steps Remove: • Access door • Battery • Bottom case • Memory • Fan • Keyboard flex bracket • Logic board Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Left Speaker 193
Removal Caution: Do not touch heatsink or gold connectors: 1 Disconnect the speaker connector. 2 Caution: Do not touch the soft speaker cone. 3 Remove speaker body.
4 • • 5 Notice the foam pad remnants on speaker body logic board Carefully crape away remnants before installing new speaker. Replacement 1 • • • Make sure left speaker body and logic board are free of dust scratches plastic burrs 2 Connect speaker cable to logic board. 3 Remove paper backing from four foam pads, and press speaker onto port side of logic board.
MagSafe Board First Steps Remove: • Access door • Battery • Bottom case • Memory • Fan • Keyboard flex bracket • Logic board Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — MagSafe Board 196
Removal 1 Remove 2 (7-mm) 922-8645 screws. 2 Tilt out MagSafe board. Replacement 1 Make sure MagSafe cable is routed away from screw standoff, as shown. 2 Important: Connect unplugged external power adapter cable to MagSafe port to make sure port stays completely aligned in top case. 3 Install screws to MagSafe board before installing logic board. 4 With computer fully assembled, test power with power cable.
Heatsink First Steps Remove: • Access door • Battery • Bottom case • Memory • Fan • Keyboard flex bracket • Logic board Tools • • • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #0 or #1 screwdriver Thermal grease syringe Alcohol pads Black stick 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Heatsink 198
Removal Caution: Do not grasp heatsink arm: 1 Disconnect thermal sensor. 2 Remove 4 (8.5-mm) 922-8692 screws in order shown. Replacement Note: Install heatsink screws 1/2 way first; then tighten in order shown. 3 Keeping heatsink parallel to logic board, gently wiggle heatsink to loosen the bond to the board. Caution: Do not pull heatsink 4 Keeping it level, lift heatsink away from board.
5 Scrape off thermal grease, and use alcohol pad to clean thermal pads and microprocessors. Replacement Important: New heatsinks include pre-applied thermal grease. Follow steps 1-2 only if reinstalling a heatsink. 1 Caution: The syringe contains enough thermal grease for 3 microprocessors. Because this computer has only 2 microprocessors, you must use only 2/3 of the syringe contents. Use a pen to mark the syringe in thirds.
2 Inject 1/3 of grease on each microprocessor. 3 Important: Connect the thermal sensor. 4 Lower the heatsink over the logic board.
Microphone Cable First Steps Remove: • Access door • Battery • Bottom case • Memory • Fan • Keyboard flex bracket • Logic board Caution: Do not strain microphone cable.
Removal 1 • • 2 Remove 2 screws: 7 mm (922-8645) 5.5 mm (922-8658) Remove LVDS cable guide. Replacement Note: When installing the LVDS cable guide, seat the locator pin first. 3 Use black stick to pry up microphone gasket. 4 Remove any adhesive remnants from top case.
Replacement 1 Remove paper backing from gasket. 2 Use a pencil eraser to seat the microphone gasket in the top case. 3 Make sure the microphone cable is not pinched when installing the LVDS cable guide. 4 To route the microphone cable to the board, refer to Logic board.
Center Bracket First Steps Remove: • Access door • Battery • Bottom case • Memory • Camera cable guide • Optical drive • Fan • Keyboard flex bracket • Logic board Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetic Phillips #00 screwdriver Removal 1 • • 2 Remove 2 screws: 10-mm (922-8648) at top 6-mm (922-8644) Remove center bracket.
Kensington Lock First Steps Remove: • Access door • Battery • Bottom case • Mid wall Tools • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetic Phillips #00 screwdriver 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Kensington Lock 206
Removal 1 Remove 2 (3 mm) screws (screw part number not offered). 2 Lift out lock. Note that the lock includes the plastic piece and metal shield.
Hard Drive Front Bracket with IR/Sleep Cable First Steps Remove: • Access door • Battery • Hard drive bracket • Hard drive • Bottom case • Mid wall • Camera cable guide • Optical drive • Hard drive connector cable Tools • • • • • Clean, soft, lint-free cloth ESD wrist strap and mat Magnetized Phillips #00 screwdriver Black stick Tweezers (optional) 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Take Apart — Hard Drive Front Bracket with IR/Sleep Cable 208
Removal 1 Note routing of IR/ sleep light cable. 2 Remove 2 (3.3-mm) 922-8649 screws. 3 Tilt bracket away from top case. 4 Without straining cable, disconnect IR cable connector. 5 Peel up cable from top case. Replacement Note: Peel off adhesive backing from cable, and press cable onto top case. Replacement Caution: The narrow end of the cable can be easily torn if mishandled. You may find it helpful to use two plastic tweezers to insert it into the connector.
Top Case First Steps Remove: • Access door • Battery • Hard drive bracket • Hard drive • Bottom case • Memory • Mid wall • Battery cable guide • Camera cable guide • LVDS cable guide • Display assembly • Optical drive • Right speaker/ subwoofer • Fan • Keyboard flex bracket • Logic board • Microphone cable • MagSafe board • Center bracket Tools No tools are required for this procedure. Removal With the first steps completed, the top case is the remaining part.
• • • • • battery power cable battery connector cover hard drive connector cable hard drive front bracket with IR/sleep cable Kensington lock Replacement Note: Before assembling the computer, be sure to first transfer the following parts to the new top case: • Center bracket • MagSafe board Replacement Note: When replacing a top case, retain the customer’s top case until the repair is complete.
Apple Technician Guide Additional Procedures MacBook (13-inch, Aluminum, Late 2008) © 2009 Apple Inc. All rights reserved.
Hinge Replacement and Alignment Overview Storing the computer upright on the hinge edge can result in the display inadvertently opening. To prevent further occurrences, follow this procedure to replace and align the hinges. When replacing hinges, make sure they are properly aligned to minimize any gaps where the display housing mounts to the top case. First Steps Order hinge alignment kit (Apple part # 076-1357) that includes one set of the left and right hinges.
Procedure 1 Insert alignment guide between flat bottom of hinge and raised black trim on display clamshell. 2 If gap between hinge and trim is out of tolerance, adjust clutch by removing 2 T6 mounting screws. 3 Move clutch slightly until gap is 5.7mm +/- 0.1mm, the same height as the alignment guide. 4 Reinstall 2 screws, and reassemble computer. 5 Verify that display opens and closes completely and there are no gaps between top case and display housing.
Apple Technician Guide Views MacBook (13-inch, Aluminum, Late 2008) © 2008 Apple Inc. All rights reserved.
Exploded Views Main Assembly, 1 of 2 Important: Replace parts like-for-like. For parts with more than one part number, enter the product serial number in GSX to determine the compatible part.
Main Assembly, 2 of 2 Important: Replace parts like-for-like. For parts with more than one part number, enter the product serial number in GSX to determine the compatible part.
Display Assembly Important: Replace parts like-for-like. For parts with more than one part number, enter the product serial number in GSX to determine the compatible part.
External Views Port View A = MagSafe Power B = Gigabit Ethernet C = USB 2.
Screw Chart 2010-06-15 076-1320 Phillips #00 076-1326 Phillips #00 922-8642 Spring Included in Logic Board Kit Included in AirPort Card Kit: antenna (4), card (2), cable clip (1) Heatsink springs (4) 922-8644 Phillips #00 922-8645 Phillips #00 922-8648 Phillips #00 Center bracket, fan, optical drive, keyboard flex bracket Fan, LVDS cable guide, MagSafe board Center bracket (top) 922-8649 / 922-8973 Phillips #00 922-8650 / 922-8974 Phillips #00 922-8651 Phillips #00 Hard drive front bracket
2010-06-15 922-8655 Torx T6 922-8656 Phillips #00 922-8657 Phillips #00 Hard drive Mid wall Battery indicator light (BIL) board 922-8658 Phillips #00 922-8660 / 922-8972 Phillips #00 922-8661 Phillips #00 LVDS cable guide Bottom case to top case (1) Battery cable guide 922-8662 Phillips #00 922-8663 Phillips #00 922-8665 / 922-8971 Phillips #00 Optical drive Logic board (4) Camera cable guide 922-8666 Phillips #00 922-8692 Phillips #0 or #1 922-8756 / 922-8970 Torx T6 Bottom case to to
Screw Location Diagrams Bottom Case 922-8666 (3) 922-8660 (1) 13.5 mm 3 mm Captive screw Hard Drive Bracket Not offered separately 922-8653 (4) 3.
Display Assembly 922-8665 (2) Camera Cable Guide 8 mm 922-8645 (1) LVDS Cable Guide 7 mm 922-8658 (1) LVDS Cable Guide 5 mm 922-8650 (1) Rt Speaker/Subwoofer 4 mm 922-8742 (6) Display Assembly Screws Torx 6 mm 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Views — Screw Location Diagrams 223
Top Case 922-8644 (2) Fan 5 mm 922-8645 (1) Fan 7 mm 922-8650 (2) Right Speaker 4 mm MagSafe 7 mm Logic Board 3 mm 922-8662 (3) Optical Drive 2.5 mm 922-8645 (2) 922-8663 (4) 922-8644 (2) Fan 5 mm 922-8654 (1) Logic Board 3.75 mm 922-8656 (4) Midwall 10.3 mm 922-8649 (2) HD Front Bracket with IR/Sleep 3.3 mm 2010-06-15 922-8661 (1) 922-8651 (2) 2.7 mm 1.
