Table Of Contents - Lenovo ThinkPad X131e Chromebook Hardware Maintenance Manual

Contents
About this manual. . . . . . . . . . .
Chapter 1. Safety information . . . . .
General safety . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . .
Safety notices . . . . . . . . . . . . . . .
Chapter 2. General checkout . . . . .
What to do first . . . . . . . . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Checking operational charging . . . . . .
Checking the battery pack . . . . . . . .
Chapter 3. Important service
information . . . . . . . . . . . . . . 11
Power management . . . . . . . . . . . .
Symptom-to-FRU index . . . . . . . . . . .
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
Undetermined problems . . . . . . . . .
Overview of the Chromebook USB repair shim . .
Creating the repair shim . . . . . . . . .
Setting the write-protect switch . . . . . .
Using the repair shim . . . . . . . . . .
Factory test items. . . . . . . . . . . .
Strategies for replacing FRUs . . . . . . . . .
Strategy for replacing FRUs for GAV . . . . . .
FRU identification for GAV products . . . .
Chapter 4. Status indicators . . . . . 19
Chapter 5. Special keys . . . . . . . . 21
Chapter 6. Locations . . . . . . . . . 23
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . .
Front view. . . . . . . . . . . . . . .
Rear view . . . . . . . . . . . . . . .
© Copyright Lenovo 2013
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Bottom view . . . . . . . . . . . . . .
Locating FRUs and CRUs . . . . . . . . . .
1
Major FRUs and CRUs. . . . . . . . . .
1
LCD FRUs and CRUs . . . . . . . . . .
1
Miscellaneous kits and other parts . . . . .
3
Chapter 7. Removing or replacing a
3
FRU . . . . . . . . . . . . . . . . . . 31
4
General guidelines . . . . . . . . . . . . .
4
Screw notices . . . . . . . . . . . . . . .
Hardware identity . . . . . . . . . . . . .
7
Prerequisite for replacing a FRU . . . . . . . .
7
1010 Battery pack . . . . . . . . . . . . .
8
1020 Bottom slot cover . . . . . . . . . . .
8
1030 Memory modules . . . . . . . . . . .
9
1040 PCI Express Mini Card for wireless LAN . .
9
1050 mSATA solid-state drive . . . . . . . . .
1060 PCI Express Mini Card for wireless WAN . .
1070 Hard disk drive or solid-state drive
assembly . . . . . . . . . . . . . . . . .
11
1080 Hard disk drive bracket . . . . . . . . .
11
1090 Keyboard . . . . . . . . . . . . . .
12
1110 Keyboard bezel assembly . . . . . . . .
12
1120 Microphone
12
1130 Speaker assembly . . . . . . . . . . .
13
1140 I/O board . . . . . . . . . . . . . .
13
1150 CRT board assembly (with cable) . . . . .
14
1160 System board assembly and thermal fan
15
assembly . . . . . . . . . . . . . . . . .
16
1170 DC-in cable and base cover assembly . . .
17
2010 LCD unit . . . . . . . . . . . . . . .
17
2020 LCD bezel assembly . . . . . . . . . .
17
2030 LCD panel, LCD cable, and hinges . . . .
2040 Camera and camera cable . . . . . . . .
2050 Antenna kit and LCD rear cover assembly . .
Appendix A. Notices . . . . . . . . . . 61
Electronic emission notices. . . . . . . . . .
Trademarks . . . . . . . . . . . . . . . .
23
Appendix B. Abbreviation table . . . . 63
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