IdeaPad Tablet K1 Hardware Maintenance Manual
Note: Before using this information and the product it supports, be sure to read the general information under “Notices” on page 53. First Edition (May 2011) © Copyright Lenovo 2011. 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 IdeaPad product: Lenovo IdeaPad Tablet K1 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 an IdeaPad Tablet K1 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
IdeaPad Tablet K1 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.
IdeaPad Tablet K1 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 according to the attachment of non-Lenovo IdeaPad features or options not covered by this inspection guide.
IdeaPad Tablet K1 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.
IdeaPad Tablet K1 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 shortcircuit 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.
IdeaPad Tablet K1 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.
IdeaPad Tablet K1 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.
IdeaPad Tablet K1 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad 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.
IdeaPad Tablet K1 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.
IdeaPad Tablet K1 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.
IdeaPad Tablet K1 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 If you suspect a power problem, see the appropriate one of the following power supply checkouts: •• “Checking the AC adapter ” on page 21 •• “Checking the battery pack ” on page 22 Checking the AC adapter You are here because the computer fails only when the AC adapter is used. •• If the power-on indicator does not turn on, check the power cord of the AC adapter for correct continuity and installation. To check the AC adapter, follow the steps below: 1.
IdeaPad Tablet K1 Hardware Maintenance Manual Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95% of the total power remains; under this condition the battery pack can charge to 100% of its capacity. This protects the battery pack from being overcharged or from having a shortened life.
Related service information Related service information This chapter presents the following information: •• “Restoring the factory contents by using OneKey Recovery” on page 23 •• “Passwords” on page 24 •• “Power management” on page 25 Restoring the factory contents by using OneKey Recovery Restore of factory default The IdeaPad Tablet K1 computers come with pre-installed OneKey Rescue System.
IdeaPad Tablet K1 Hardware Maintenance Manual When you use the recovery discs to boot your computer, the system will enter the user interface for system recovery automatically. Please follow the prompt to insert the backup discs to complete the whole recovery process. Note: The recovery process might take up to 2 hours. Passwords As many as two passwords may be needed for any Lenovo IdeaPad computer: the power-on password (POP) and the supervisor password (SVP).
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 Power button. To end screen blank mode and resume normal operation, press Power button.
IdeaPad Tablet K1 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: •• The system status, RAM, VRAM, and setup data are stored on the hard disk. •• The system is powered off. To cause the computer to enter hibernation mode, follow the steps below: •• If you are using the ACPI operating system and have defined one of the following actions as the event that causes the system to go into hibernation mode, perform that action: – Pressing the power button.
Lenovo IdeaPad Tablet K1 Lenovo IdeaPad Tablet K1 This chapter presents the following product-specific service references and product-specific parts information: •• “Specifications” on page 27 •• “FRU replacement notices” on page 29 •• “Removing and replacing an FRU” on page 30 •• “Locations” on page 46 •• “Parts list” on page 48 Specifications The following table lists the specifications of the Lenovo IdeaPad Tablet K1: Table 1.
IdeaPad Tablet K1 Hardware Maintenance Manual Table 1. Specifications (continued) 28 Feature Description Battery AC adapter Pre-installed operating system • 2 cell/27.4WH • 20V DC, 18W • Android 3.
Lenovo IdeaPad Tablet K1 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 IdeaPad 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.
IdeaPad Tablet K1 Hardware Maintenance Manual 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 29. 3.
Lenovo IdeaPad Tablet K1 1010 Base cover Figure 1. Removal steps of base cover Remove the base cover in the direction shown by arrows 1 2. 2 1 Note: Turn off the tablet first. Otherwise, it may cause permanent damage to the tablet.
IdeaPad Tablet K1 Hardware Maintenance Manual 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. a 3G Label b Rating Label For some models, you also need to apply one or two FCC labels.
Lenovo IdeaPad Tablet K1 1020 Battery pack For access, remove this FRU: •• “1010 Base cover” on page 31 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of battery pack Remove four screws 1. Disconnect the connector in the direction shown by arrow 2. 1 2 1 1 1 Step 1 Screw (quantity) Color Torque M4.5 x 3 mm, flat-head, nylon-coated (4) Silver 1.5-2.
IdeaPad Tablet K1 Hardware Maintenance Manual 1030 Middle cover For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 Figure 3. Removal steps of middle cover Remove four screws 1 and two screws direction shown by arrow 3. 2. Remove the middle cover in the 1 1 1 1 2 2 Step 1 2 Screw (quantity) Color Torque M4.5 x 5 mm, flat-head, nylon-coated (4) Silver 1.5-2.0 kg/cm M3.7 x 3.5 mm, flat-head, nylon-coated (2) Silver 1.5-2.
Lenovo IdeaPad Tablet K1 1040 Docking bracket For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 Figure 4. Removal steps of docking bracker Remove two screws 1 and then remove the docking bracker in the direction shown by arrow 2. 1 1 2 Step 1 Screw (quantity) Color Torque M4.5 x 3 mm, flat-head, nylon-coated (2) Silver 1.5-2.
IdeaPad Tablet K1 Hardware Maintenance Manual 1050 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 IdeaPad Tablet K1 Figure 5. Removal steps of system board (continued) 4 4 4 4 4 When installing: Make sure that all the connectors are attached firmly. Step 4 Screw (quantity) Color Torque M4.5 x 3 mm, flat-head, nylon-coated (5) Silver 1.5-2.0 kg/cm Remove the system board in the direction shown by arrow 5.
IdeaPad Tablet K1 Hardware Maintenance Manual 1060 Switch board, SD board and HDMI board For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 •• “1040 Docking bracket” on page 35 •• “1050 System board” on page 36 Figure 6. Removal steps of Switch board, SD board and HDMI board Remove two screws 1, then remove the switch board in the direction shown by arrow 2. 1 1 2 Step 1 38 Screw (quantity) Color Torque M4.
Lenovo IdeaPad Tablet K1 Figure 6. Removal steps of Switch board, SD board and HDMI board (continued) Remove two screws 3, then remove the SD board in the direction shown by arrow 4. 3 3 4 Remove two screws shown by arrow 6. 5, then remove the SD board bracket in the direction 5 5 6 Step 3 5 Screw (quantity) Color Torque M4.5 x 3 mm, flat-head, nylon-coated (2) Silver 1.5-2.0 kg/cm M4.5 x 3 mm, flat-head, nylon-coated (2) Silver 1.5-2.
IdeaPad Tablet K1 Hardware Maintenance Manual Figure 6. Removal steps of Switch board, SD board and HDMI board (continued) Remove two screws by arrow 8. 7, then remove the docking board in the direction shown 7 7 8 Step 7 40 Screw (quantity) Color Torque M4.5 x 3 mm, flat-head, nylon-coated (2) Silver 1.5-2.
Lenovo IdeaPad Tablet K1 1070 Speaker For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 •• “1040 Docking bracket” on page 35 •• “1050 System board” on page 36 •• “1060 Switch board, SD board and HDMI board” on page 38 Figure 7. Removal steps of Speaker Remove the speaker in the direction shown by arrows 1.
IdeaPad Tablet K1 Hardware Maintenance Manual 1080 Optical finger navigation (OFN) module For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 •• “1040 Docking bracket” on page 35 •• “1050 System board” on page 36 •• “1060 Switch board, SD board and HDMI board” on page 38 •• “1070 Speaker” on page 41 Figure 8.
Lenovo IdeaPad Tablet K1 1090 Panel support bracket For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 •• “1040 Docking bracket” on page 35 •• “1050 System board” on page 36 •• “1060 Switch board, SD board and HDMI board” on page 38 •• “1070 Speaker” on page 41 •• “1080 Optical finger navigation (OFN) module” on page 42 Figure 9.
IdeaPad Tablet K1 Hardware Maintenance Manual 1100 Integrated camera For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 •• “1040 Docking bracket” on page 35 •• “1050 System board” on page 36 •• “1060 Switch board, SD board and HDMI board” on page 38 •• “1070 Speaker” on page 41 •• “1080 Optical finger navigation (OFN) module” on page 42 •• “1090 Panel support bracket” on page 43 Figure 10.
Lenovo IdeaPad Tablet K1 1110 Antenna assembly For access, remove these FRUs in order: •• “1010 Base cover” on page 31 •• “1020 Battery pack” on page 33 •• “1030 Middle cover” on page 34 •• “1040 Docking bracket” on page 35 •• “1050 System board” on page 36 •• “1060 Switch board, SD board and HDMI board” on page 38 •• “1070 Speaker” on page 41 •• “1080 Optical finger navigation (OFN) module” on page 42 •• “1090 Panel support bracket” on page 43 Figure 13.
IdeaPad Tablet K1 Hardware Maintenance Manual Locations Front view and Right-side view 1 2 3 4 5 6 Integrated camera Wireless module antennas (Select models only) OFN button Data/power jack Earphone/Microphone jack Micro HDMI port 1 2 3 6 5 46 4
Lenovo IdeaPad Tablet K1 Bottom and Left-side view 1 2 3 4 5 6 Integrated camera Built-in microphone Power button Volume button Screen rotation lock Micro SD slot 1 2 3 4 5 6 47
IdeaPad Tablet K1 Hardware Maintenance Manual Parts list This section presents the following service parts: •• “Overall” on page 49 •• “Miscellaneous parts” on page 51 •• “AC adapters” on page 52 Notes: • Each FRU is available for all types or models, unless specific types or models are specified.
Lenovo IdeaPad Tablet K1 Overall a b 1 c i 2 4 d 5 6 e 7 f 9 8 3 10 g h 11 12 13 49
IdeaPad Tablet K1 Hardware Maintenance Manual Table 2. Parts list—Overall No. FRU FRU no. 1 1 2 2 3 3 4 4 5 6 7 8 9 10 10 11 11 11 11 12 PQXU2 LCD SUB ASSY-SILVER PQXU2 LCD SUB ASSY-GRAY PQXU2 WEBCAMERA CABLE FOR 2.OM-3G PQXU2 WEBCAMERA CABLE FOR 2.0M-NON 3G PQXU2 WEBCAMERA 2.0M PQXU2 WEBCAMERA 5.
Lenovo IdeaPad Tablet K1 Miscellaneous parts Table 3.
IdeaPad Tablet K1 Hardware Maintenance Manual AC adapters Table 4. Parts list—3-pin AC adapters FRU P/N AC Adapter(30 pin 12V 18W), AC ADAP DELTA EAPD-18SB AA 36002021 12V1.5A CH (China) AC Adapter(30 pin 12V 18W), Delta EADP-18SB JA 12V1.5A 36200002 (Argentina) AC Adapter(30 pin 12V 18W), AC ADAP DELTA EAPD-18SB BA 36002020 12V1.5A US (US/Canada/Japan/Taiwan) AC Adapter(30 pin 12V 18W), AC ADAP DELTA EAPD-18SB DA 36002018 12V1.5A UK(UK) AC Adapter(30 pin 12V 18W), Delta EADP-18SB GA 12V1.
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.
IdeaPad Tablet K1 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.
