Lenovo K1 manual

IdeaP ad T ab let K1 Hardw are 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 201 1) © Copyright Lenovo 201 1. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental enti[...]

iii Contents About this manual ....................................... iv Safety information ........................................ 1 General safety ................................................ 2 Electrical safety .............................................. 3 Safety inspection guide .................................. 5 Handling devices tha[...]

iv About this manual This manual contains service and reference information for the following Lenovo IdeaPad product: Lenovo IdeaPad T ablet 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 co[...]

1 Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an IdeaPad T ablet K1 computer: • “General safety ” on page 2 • “Electrical safety ” on page 3 • “Safety inspection guide” on page 5 • “Handling devices that are sensitive to elec[...]

2 IdeaPad T ablet 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[...]

3 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 t[...]

4 IdeaPad T ablet K1 Hardware Maintenance Manual Always look carefully for possible hazards in your work area. Examples of • these hazards are moist oors, 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 i[...]

5 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. Y ou should use good judgment to ident[...]

6 IdeaPad T ablet 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 b[...]

7 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 t[...]

8 IdeaPad T ablet 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 short- circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropr[...]

9 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into re 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 incorre[...]

10 IdeaPad T ablet 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[...]

11 Safety information Safety notice 5 If the LCD breaks and the uid fro m inside the LCD gets into your eyes or on yo ur hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the uid are present after washing. Si le panneau d’afchage à cristaux liquides se brise et que[...]

12 IdeaPad T ablet K1 Hardware Maintenance Manual Safety notice 6 DANGER T o avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. An 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 d[...]

13 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlet s, remove the battery p ack, and then disconnec t any interconnecting cables. A vant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentati[...]

14 IdeaPad T ablet 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 certied in the U.S. to conform to [...]

15 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. Rad[...]

16 IdeaPad T ablet 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 informa[...]

17 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 boa rd and a system board. If you • are instr[...]

18 IdeaPad T ablet K1 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Elec tron ic Equip ment Di recti ve (200 2/95 /EC) is a Europ ean Uni on l egal requirement affecting the global electronics industry . RoHS requirements must be implemented on L[...]

19 General checkout General checkout This chapter presents the following information: • “What to do rst” 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certiedtrainedpersonnelcanservicethecomputer . •[...]

20 IdeaPad T ablet K1 Hardware Maintenance Manual What to do rst 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 n[...]

21 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 Y ou are here because the computer fails only when the AC adapter is used. If the power-on in[...]

22 IdeaPad T ablet 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. T o c[...]

23 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 T[...]

24 IdeaPad T ablet 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 disc s to complete the whole recovery process. Note: The recovery process might take up to 2 hours. Passwords As many as [...]

25 Related service information Power management Note: Power management modes are not supported for APM operating system. T o 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 “T urn off monitor” timer in the operating system expires, [...]

26 IdeaPad T ablet 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. • T o cause the computer to enter hibernation mode, follow the steps below: If you are using the ACPI operating system and have defin[...]

27 Lenovo IdeaPad T ablet K1 Lenovo IdeaPad T ablet K1 This chapter presents the following product-specific service references and product-specic parts information: • “Specications” on page 27 • “FRU replacement notices” on page 29 • “Removing and replacing an FRU” on page 30 • “Locations” on page 46 • “Parts list?[...]

28 IdeaPad T ablet K1 Hardware Maintenance Manual T able 1. Specications (continued) Feature Description Battery • 2cell/27.4WH ACadapter • 20VDC,18W Pre-installed operating system • Android3.0[...]

29 Lenovo IdeaPad T ablet K1 FRU replacement notices This se ction pr esen ts n otic es r elat ed to r emov ing and rep laci ng parts . R ead 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 hav[...]

30 IdeaPad T ablet K1 Hardware Maintenance Manual Removing and replacing an FRU This section presents exploded gures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the fo llowing general rules: 1. Do not attempt to service any computer unless you have been trained and certied. An untrained person run[...]

31 Lenovo IdeaPad T ablet 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: T urn off the tablet rst. Otherwise, it may cause permanent damage to the tablet.[...]

32 IdeaPad T ablet 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 cov[...]

33 Lenovo IdeaPad T ablet K1 1020 Battery pack For access, remove this FRU: • “1010 Base cover” on page 31 DANGER Only use the battery specied 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 arro[...]

34 IdeaPad T ablet 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 2 . Remove the middle cover in the direction shown by arrow 3 . 1 1 1 1 2 2 Step Screw (qu[...]

35 Lenovo IdeaPad T ablet 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[...]

36 IdeaPad T ablet 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. • A void rough handling of any kind. • In the whol[...]

37 Lenovo IdeaPad T ablet K1 Figure 5. Removal steps of system board (continued) 4 4 4 4 4 When installing: Make sure that all the connectors are attached rmly . Step Screw (quantity) Color T orque 4 M4.5 x 3 mm, at-head, nylon-coated (5) Silver 1.5-2.0 kg/cm Remove the system board in the direction shown by arrow 5 . 5[...]

38 IdeaPad T ablet 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 ste[...]

39 Lenovo IdeaPad T ablet 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 4 3 Remove two screws 5 , then remove the SD board bracket in the direction shown by arrow 6 . 5 5 6 Step Screw (quantity) Color T orque 3 M4.5 x 3 mm, at-h[...]

40 IdeaPad T ablet K1 Hardware Maintenance Manual Figure 6. Removal steps of Switch board, SD board and HDMI board (continued) Remove two screws 7 , then remove the docking board in the direction shown by arrow 8 . 7 8 7 Step Screw (quantity) Color T orque 7 M4.5 x 3 mm, at-head, nylon-coated (2) Silver 1.5-2.0 kg/cm[...]

41 Lenovo IdeaPad T ablet 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[...]

42 IdeaPad T ablet K1 Hardware Maintenance Manual 1080 Optical nger 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 [...]

43 Lenovo IdeaPad T ablet 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 pa[...]

44 IdeaPad T ablet K1 Hardware Maintenance Manual 1 100 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 H[...]

45 Lenovo IdeaPad T ablet K1 1 1 10 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 [...]

46 IdeaPad T ablet K1 Hardware Maintenance Manual Locations Front view and Right-side view 1 Integrated camera 2 Wireless module antennas (Select models only) 3 OFN button 4 Data/power jack 5 Earphone/Microphone jack 6 Micro HDMI port 1 2 3 4 5 6[...]

47 Lenovo IdeaPad T ablet K1 Bottom and Left-side view 1 Integrated camera 2 Built-in microphone 3 Power button 4 V olume button 5 Screen rotation lock 6 Micro SD slot 3 2 4 5 6 1[...]

48 IdeaPad T ablet 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 specic types or models are specied.[...]

49 Lenovo IdeaPad T ablet K1 Overall a b c i d 6 7 f 8 h 12 1 2 4 5 e 9 3 10 g 11 13[...]

50 IdeaPad T ablet K1 Hardware Maintenance Manual T able 2. Parts list—Overall No. FRU FRU no. 1 PQXU2 LCD SUB ASSY -SIL VER 18005057 1 PQXU2 LCD SUB ASSY -GRA Y 18005058 2 PQXU2 WEBCAMERA CABLE FOR 2.OM-3G 31050839 2 PQXU2 WEBCAMERA CABLE FOR 2.0M-NON 3G 31050840 3 PQXU2 WEBCAMERA 2.0M 31050837 3 PQXU2 WEBCAMERA 5.0M 31050838 4 PQXU2 ANTENNA FOR[...]

51 Lenovo IdeaPad T ablet K1 Miscellaneous parts T able 3. Parts list—Miscellaneous parts FRU P/N System miscellaneous parts: • ( a ) PQXU1 POWER BUTTON-GRA Y • ( a ) PQXU1 POWER BUTTON-SIL VER • ( b ) PQXU1 VOLUME BUTTON-GRA Y • ( b ) PQXU1 VOLUME BUTTON-SIL VER • ( c ) PQXU1 G-LOCK BUTTON-GAR Y • ( c ) PQXU1 G-LOCK BUTTON-SIL VER ?[...]

52 IdeaPad T ablet K1 Hardware Maintenance Manual AC adapters T able 4. Parts list—3-pin AC adapters FRU P/N AC Adapter(30 pin 12V 18W), AC ADAP DEL T A EAPD-18SB AA 12V1.5A CH (China) 36002021 AC Adapter(30 pin 12V 18W), Delta EADP-18SB JA 12V1.5A (Argentina) 36200002 AC Adapter(30 pin 12V 18W), AC ADAP DEL T A EAPD-18SB BA 12V1.5A US (US/Canada[...]

53 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 Lenov[...]

54 IdeaPad T ablet 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 n o guarantee that these measurements will be the s[...]