Lenovo B4400 Hardware Maintenance Manual
Note: Before using this information and the product it supports, be sure to read the general information under “Notices” on page 83. First Edition (September 2013) © Copyright Lenovo 2013. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and disclosure.
Contents About this manual........................................iv Safety information.........................................1 General safety ...................................................... 2 Electrical safety .................................................... 3 Safety inspection guide ...................................... 5 Handling devices that are sensitive to electrostatic discharge......................................... 6 Grounding requirements ...................................
About this manual This manual contains service and reference information for the following Lenovo product: IdeaPad B4400 Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general information, guidelines, and safety information required for servicing computers. • The product-specific section includes service, reference, and product-specific parts information.
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 • “Handling devices that are sensitive to electrostatic discharge” on page 6 • “Grounding requirements” on page 6 • “Safety notices: multilingual translations” on page 7 • “Laser compliance statement” on page 14 1
Lenovo B4400 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1. Make sure that you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift it. 4.
Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges. Do not use such kind of mat to protect yourself from electrical shock.
Lenovo B4400 Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage.
Safety information Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.
Lenovo B4400 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Notes: 1.
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts.
Lenovo B4400 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Certaines batteries de secours contiennent du nickel et du cadmium.
Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la démontez pas, ne l’exposez ni au feu ni à l’eau.
Lenovo B4400 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez-les abondamment pendant au moins quinze minutes.
Lenovo B4400 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation. Aus Sicherheitsgründen die Kunststoffabdeckung, die den unteren Teil der Spannungswandlerplatine umgibt, nicht entfernen.
Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
Lenovo B4400 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Radiação por raio laser ao abrir. Não olhe fixo no feixe de luz, não olhe diretamente por meio de instrumentos óticos e evite exposição direta com o feixe de luz.
Lenovo B4400 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • “Strategy for replacing FRUs” on page 16 – “Strategy for replacing a hard disk drive” on page 17 – “Important notice for replacing a system board” on page 17 • “Important information about replacing RoHS compliant FRUs” on page 18 Important: BIOS and device driver fixes are customer-installable.
Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a processor board and a system board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.
Lenovo B4400 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts.
General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, use new nylon-coated screws.
Lenovo B4400 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2. Date of service 3. Date on which the machine failed 4. Date of purchase 5. Procedure index and page number in which the failing FRU was detected 6. Failing FRU name and part number 7. Machine type, model number, and serial number 8.
General checkout Power system checkout To verify a symptom, follow the steps below: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the AC adapter. 4. Make sure that power is supplied when you turn on the computer. 5. Turn off the computer. 6. Disconnect the AC adapter and install the charged battery pack. 7. Make sure that the battery pack supplies power when you turn on the computer.
Lenovo B4400 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack. If the charge indicator still does not light on, replace the system board. Then reinstall the battery pack. If it is still not charged, go to the next section.
Related service information Related service information This chapter presents the following information: • “Restoring the factory contents by using Recovery Disc Set” on page 23 • “Passwords” on page 24 • “Power management” on page 25 Restoring the factory contents by using Recovery Disc Set When the hard disk drive or solid state drive is replaced because of a failure, no product recovery program is on the new drive. In this case, you must use the Recovery Disc Set for the computer.
Lenovo B4400 Hardware Maintenance Manual 7. When all of the data has been copied from the last disc in the set, remove the disc and restart the computer. Note: The remainder of the recovery process is fully automated and no action is required by you. The computer will restart into the Windows desktop several times and you might experience periods when no activity is apparent on the screen for several minutes at a time. This is normal. 8.
Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing Fn+F2. To end screen blank mode and resume normal operation, press any key.
Lenovo B4400 Hardware Maintenance Manual Putting your computer to sleep If you will be away from your computer for only a short time, put the computer to sleep. When the computer is in sleep mode, you can quickly wake it to resume use, bypassing the startup process. To put the computer to sleep, do one of the following: • Close the display lid. • Press the power button. • Press Fn + F1. • Do the proper operations in the operating system. Windows 7: Click Start → Sleep. Windows 8.
Lenovo B4400 Lenovo B4400 This chapter presents the following product-specific service references and product-specific parts information: • “Specifications” on page 27 • “Status indicators” on page 29 • “FRU tests” on page 31 • “Fn key combinations” on page 31 • “FRU replacement notices” on page 32 • “Removing and replacing an FRU” on page 33 • “Locations” on page 63 • “Parts list” on page 66 Specifications The following table lists the specifications of the Lenovo B4400: Table 1.
Lenovo B4400 Hardware Maintenance Manual Table 1. Specifications (continued) 28 Feature Description Solid-state drive • 24G (on select models) Optical drive • 12.7 mm tray-in DVD Rambo I/O port • • • • • • External monitor connector Stereo headphone jack Microphone jack RJ45 × 1 2 × USB3.0, 1 × USB2.
Lenovo B4400 Status indicators The system status indicators below show the computer status: d e f a b c 29
Lenovo B4400 Hardware Maintenance Manual Table 2. Status indicators Indicator Green Slow blinking green Slow blinking amber Amber Fast blinking amber 30 Meaning 80% - 100% charged, or 20% - 100% discharged. 20% - 80% charged. 5% - 20% charged. 5% - 20% discharged. No more than 5% charged or discharged.
Lenovo B4400 Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 3. Fn key combinations Fn + Esc: Fn + F1: Fn + F2: Fn + F3: Fn + F5: Fn + F6: Fn + F8: Fn + F9: Fn + F10: Fn + F11: Fn + F12: Fn + PrtSc: Fn + Home: Fn + End: Fn + Pgup: Fn + PgDn: Fn + ↑ / ↓: Fn + → / ←: Windows 7: Opens the camera and audio settings window. The camera preview is turned on, and you can change the camera and audio settings as desired.
Lenovo B4400 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten.
Lenovo B4400 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review “FRU replacement notices” on page 32. 3. Begin by removing any FRUs that have to be removed before the failing FRU.
Lenovo B4400 Hardware Maintenance Manual 1010 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the manual battery latch a. Holding the spring-loaded battery latch in the unlocked position b, remove the battery pack in the direction shown by the arrow c. 1 a c b When installing: Install the battery pack along the slide rails of the slot.
Lenovo B4400 1020 Dummy card (Optional) Figure 2. Removal steps of dummy cards Remove the dummy card in the direction shown by arrows a b .
Lenovo B4400 Hardware Maintenance Manual 1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 3. Removal steps of HDD/Memory/Mini PCI Express Card slot/TV Card slot compartment cover Loosen the screws a that secure the compartment cover. Remove the compartment cover b . a a b 36 Step Screw (quantity) a M2 × 3 mm, flat-head, nylok-coated (2) Black Color Torque 1.
Lenovo B4400 1040 Hard disk drive For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damages and permanent loss of data. • Before removing the drive, suggest the customer to backup all the information on it if possible.
Lenovo B4400 Hardware Maintenance Manual Figure 4. Removal steps of hard disk drive (contiuned) Pull the tab in the direction shown by arrow b . b Take out the hard disk drive secured in a metal frame c . c When installing: Make sure that the HDD connector is attached firmly.
Lenovo B4400 Figure 4. Removal steps of hard disk drive (contiuned) Remove four screws d and detach the metal frame from the hard disk drive.
Lenovo B4400 Hardware Maintenance Manual 1050 Optical drive For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 5. Removal steps of optical drive Remove the screw a , insert a screwdriver into the screw hole and push the optical drive in the direction shown by arrow b . Pull the optical drive out in the direction shown by arrow c. a Step Screw (quantity) a M2 × 3 mm, flat-head, nylokcoated (1) Black Color b c 40 Torque 1.
Lenovo B4400 1060 DDR3L SDRAM For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 Figure 6. Removal steps of DDR3L SDRAM Release the two latches on both edges of the socket at the same time in the direction shown by arrows a, and then unplug the DDR3L SDRAM in the direction shown by arrow b.
Lenovo B4400 Hardware Maintenance Manual 1070 Mini PCI Express Card for wireless LAN/WAN For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 Figure 7. Removal steps of Mini PCI Express Card for wireless LAN/WAN Disconnect the two wireless LAN cables (black, white) a, and then remove the screw b.
Lenovo B4400 Figure 7. Removal steps of Mini PCI Express Card for wireless LAN/WAN (continued) Remove the card in the direction shown by arrow c . c When installing: • In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
Lenovo B4400 Hardware Maintenance Manual 1080 Keyboard For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 8. Removal steps of keyboard Remove screws a . a a a Step Screw (quantity) Color Torque a M2.5 × 8 mm, flat-head, nylokcoated(3) Black 3.5 kgfcm Loosen the keyboard with fingers in the direction shown by arrow b.
Lenovo B4400 Figure 8. Removal steps of keyboard (continued) Lift the keyboard a little c , and then detach the connector in the direction shown by arrow d.
Lenovo B4400 Hardware Maintenance Manual 1090 Keyboard bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1050 Optical drive” on page 40 • “1080 Keyboard” on page 44 Figure 9. Removal steps of keyboard bezel Remove fourteen screws a and three screws b on the bottom.
Lenovo B4400 Figure 9. Removal steps of keyboard bezel (continued) Detach LED board connector in the direction shown by arrow d ,fingerprint reader connector in the direction shown by arrow e , touch pad connector in the direction shown by arrow f , power board connector in the direction shown by arrow g . g d f e When installing: Make sure that all the FPC connectors are attached firmly. Remove the keyboard bezel in the direction shown by arrow h.
Lenovo B4400 Hardware Maintenance Manual 1100 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • In the whole process, make sure not to drop or stack the system board.
Lenovo B4400 Figure 10. Removal steps of system board Loosen the screws a . 1 1 1 Step Screw (quantity) Color Torque a Black M2.0 × 6 mm, flat-head, nylok-coated (3) 1.85 kgfcm Detach IO board connector in the direction shown by arrow b , LCD connector in the direction by arrow c , unplug speakers connectors in the direction shown by arrow d , built-in microphone connector in the direction shown by arrow e.
Lenovo B4400 Hardware Maintenance Manual Figure 10. Removal steps of system board (continued) Detach USB connector in the direction shown by arrow f . 6 Remove the system board in the direction shown by arrow g. a a 7 When installing: When attaching the system board to the base cover, adjust the placement of USB ports, and make sure that both of the USB jacks are attached to the holes on the base cover as shown in . Improper placement of the jacks might cause a damage.
Lenovo B4400 1110 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “1100 System board” on page 48 Figure 11.
Lenovo B4400 Hardware Maintenance Manual Figure 11. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrows c.
Lenovo B4400 1120 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “1100 System board
Lenovo B4400 Hardware Maintenance Manual 1130 CPU For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “1100 System board” on
Lenovo B4400 1140 Base cover, speakers, power assembly and IO board For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “111
Lenovo B4400 Hardware Maintenance Manual Figure 14. Removal steps of base cover, power assembly and IO board (continued) Remove two screws a . Remove the power assembly in the direction shown by arrow b . 1 2 1 Step Screw (quantity) Color Torque c M2 × 3 mm, flat-head, nylok-coated (2) Black 1.85 kgfcm Remove two screws a . Remove the IO board in the direction shown by arrow b. 1 1 5 2 56 Step Screw (quantity) Color Torque d M2 × 6 mm, flat-head, nylok-coated (1) Black 1.
Lenovo B4400 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
Lenovo B4400 Hardware Maintenance Manual 1150 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “1100 Syst
Lenovo B4400 1160 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “1100 System board” on
Lenovo B4400 Hardware Maintenance Manual Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued) Remove four screws d . Lift the LCD panel with hinges in the direction shown by arrows e . 4 4 4 4 5 5 Step Screw (quantity) Color Torque d M2.0 × 2.5 mm, flat-head, nylokcoated (4) Silver 1.85 kgfcm Note: The LCD cables are attached to the LCD panel by a metal connector. Peel off the adhesive tape and detach the connector in the direction shown by arrow f .
Lenovo B4400 1170 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page 46 • “1100 System board” on page 48 • “11
Lenovo B4400 Hardware Maintenance Manual 1180 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card (Optional)” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 • “1050 Optical drive” on page 40 • “1060 DDR3L SDRAM” on page 41 • “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42 • “1080 Keyboard” on page 44 • “1090 Keyboard bezel” on page
Lenovo B4400 Locations Front view a b c d e f g h i j k Integrated camera Wireless antennas Display Power button Speakers Power and battery indicator Touch pad Memory card slot System indicators Fingerprint reader Touch pad buttons b a b c e i d g e f 10 11 11 h 63
Lenovo B4400 Hardware Maintenance Manual Right-side view a b c d Power Optical disc drive USB port Combo audio jack 1 2 3 4 64
Lenovo B4400 Bottom and Left-side view a b c d e f g h i j k Kensington slot Ventilation slots VGA port RJ-45 port HDMI port USB 3.
Lenovo B4400 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 67 • “LCD FRUs” on page 71 • “Keyboard” on page 73 • “Miscellaneous parts” on page 76 • “AC adapters” on page 77 • “Power cords” on page 78 Notes: • Each FRU is available for all types or models, unless specific types or models are specified.
Lenovo B4400 Overall 1 2 22 3 f 5 (6) 4 23 7 8 10 9 d 14 12 11 20 e g 13 15 16 b 17 a c 19 18 21 67
Lenovo B4400 Hardware Maintenance Manual Table 4. Parts list—Overall No. FRU 1 2 3 4 4 4 4 4 4 4 4 4 5 6 7 7 7 7 8 LCD unit (see “LCD FRUs” on page 71.) Keyboard (see “Keyboard” on page 73.
Lenovo B4400 Table 4. Parts list—Overall (continued) No. FRU FRU no. CRU ID 9 WLAN Realtek RTL8188EE bgn 1x1 HMC WLAN RTL8188EE MOW M PCIE NB HMC WLAN WLAN Realtek RTL8188EE bgn 1x1 HMC WLAN RTL8188EE MOW M PCIE NB HMC WLAN WLAN Broadcom BCM4313 1*1 BGN MOW Cybertan Broadcom BCM4313 1*1 BGN MOW WLAN Broadcom BCM943142HM 1x1 bgn WLAN&BT4.0 Combo BCM943142HM WLAN Broadcom BCM943142HM 1x1 bgn WLAN&BT4.0 Combo BCM943142HM WLAN Realtek RTL8723BE 1*1 bgn + BT4.
Lenovo B4400 Hardware Maintenance Manual Table 4. Parts list—Overall (continued) No. FRU FRU no. CRU ID 16 16 16 HDD 1TB/5400rpm M8 BP 2 (6G) HDD 1TB/5400rpm Aquarius-BS SSHD (8GB) ST1000LM014 6G 9.5mm 1T SSHD (9.5MM) SSHD (8GB) ST500LM000 6G 7mm 500G SSHD (7MM) SSD 24GB NGFF LSS-24L6G (double-sided) SSD 24GB NGFF SDSA6MM-024G (double-sided) SSD 24GB NGFF THNSNX024GMNT (Single-sided) LB440 DC-IN Cable LA48 Memory Door 60.4TD08.001 ODD 12.7mm Tray-in Rambo DS-8A9SH ODD 12.
Lenovo B4400 LCD FRUs In Lenovo B4400, there are following types of LCDs. • “14.0-in.
Lenovo B4400 Hardware Maintenance Manual 14.0-in. HD TFT Table 5. Parts list—14.0-in. HD TFT 72 No. FRU FRU no. CRU ID 1 1 2 3 3 3 3 3 3 3 3 3 4 5 6 6 7 8 9 LB440 LCD Bezel W/Camera Hole LB440 LCD Bezel WO/Camera Hole LB49A LCD Bezel Screw Pad 14.0" wedge+lvds HD Glossy LP140WH4-TLN2 14.0" wedge+lvds HD Glossy N140BGE-L23 14.0" wedge+lvds HD Glossy LTN140AT26-L01 14.0" wedge+lvds HD Glossy HB140WX1-100 14.0" wedge+lvds HD AG B140XW01 V9 14.0" wedge+lvds HD AG N140BGE-L13 14.
Lenovo B4400 Keyboard Table 6. Parts list—Keyboard Language B4400 P/N Dafon Indian Bulgarian Czechoslovakian International English Swiss Slovenian Icelandic Italian Four Nordic countries Hungarian Hebrew Greek Dutch Japanese Brazilian Arabic German French Russian Traditional Chinese Korean Canadian English&French Latin Portuguese Thai Turkish Spanish Belgian U.K.
Lenovo B4400 Hardware Maintenance Manual Table 6. Parts list—Keyboard (continued) Language B4400 Sunrex (continued) 74 P/N Indian Bulgarian Czechoslovakian International English Swiss Slovenian Icelandic Italian Four Nordic countries Hungarian Hebrew Greek Dutch Japanese Brazilian Arabic German French Russian Traditional Chinese Korean Canadian English&French Latin Portuguese Thai Turkish Spanish Belgian U.K.
Lenovo B4400 Table 6. Parts list—Keyboard (continued) Language B4400 Chicony (continued) P/N Indian Bulgarian Czechoslovakian International English Swiss Slovenian Icelandic Italian Four Nordic countries Hungarian Hebrew Greek Dutch Japanese Brazilian Arabic German French Russian Traditional Chinese Korean Canadian English&French Latin Portuguese Thai Turkish Spanish Belgian U.K.
Lenovo B4400 Hardware Maintenance Manual Miscellaneous parts Table 7. Parts list—Miscellaneous parts FRU System miscellaneous parts: (a) LA48 HDD Bracket 60.4TE08.001 (b) LB440 DC-IN Bracket (c) ODD Bracket 33.4TD06.001 (d) LB440 Finger Printer Board Bracket Cable miscellaneous parts: • (e) LA48 Power Board Cable • (f) LB440 Touch Pad Cable • (g) LB440 Finger Printer Board Cable Note: Italicized letters in parentheses are references to the exploded view in “Overall” on page 71.
Lenovo B4400 AC adapters Table 8.
Lenovo B4400 Hardware Maintenance Manual Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10.
Lenovo B4400 Table 10.
Lenovo B4400 Hardware Maintenance Manual Table 10.
Lenovo B4400 Table 10. Parts list—2-pin power cords Region P/N CRU ID CCC 145500018 * 145500069 * 145500019 * 145500074 * 145500020 * 145500075 * 145500021 * 145500073 * 145500022 * 145500081 * 145500023 * 145500077 * 145500024 * 145500080 * 145500025 * 145500076 * 145500026 * 145500079 * 145500027 * 145500078 * 145500028 * 145500071 * • Linetek LINETEK PC205+RVV300/300 0.
Lenovo B4400 Hardware Maintenance Manual Table 10. Parts list—2-pin power cords Region P/N CRU ID Israel 145500029 * 145500072 * 145500030 * 145500070 * • LINETEK LP45+H03VVH2-F 0.75/2C+LS7H 1m Israel • Longwell LP-55+H03VVH2-F+LS-7 1m LA • LINETEK LP39+H03VVH2-F 0.
Notices Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Lenovo B4400 Hardware Maintenance Manual Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
