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Lenovo ThinkPad 8

Tags : LenovoThinkPad820BN20BQ 
Lenovo ThinkPad 8 Hardware Maintenance Manual

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Description

Lenovo ThinkPad 8 Hardware Maintenance Manual
First Edition (January 2014) - 64 pages

This manual contains service and reference information for the following ThinkPad® products.

ThinkPad 8 Machine type (MT) 20BN and 20BQ

Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information. . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. Important service
information . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . . 19
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 19
Strategy for replacing FRUs for CTO, special bid
model, and standard models . . . . . . . . . 20
Product definition. . . . . . . . . . . . 20
FRU identification. . . . . . . . . . . . 20
Chapter 3. General checkout . . . . . 23
What to do first . . . . . . . . . . . . . . 23
Checkout guide . . . . . . . . . . . . . . 24
Power system checkout . . . . . . . . . . . 24
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . 24
Checking the ac power adapter . . . . . . 25
Chapter 4. Related service
information . . . . . . . . . . . . . . 27
Recovery overview . . . . . . . . . . . . . 27
Refreshing your tablet . . . . . . . . . . 27
Resetting your tablet to the factory default
settings. . . . . . . . . . . . . . . . 27
Using the advanced startup options . . . . 28
Recovering your operating system if Windows
8.1 fails to start. . . . . . . . . . . . . 28
Creating and using recovery media . . . . . 28
Supervisor password . . . . . . . . . . . . 29
Symptom-to-FRU index . . . . . . . . . . . 30
Numeric error codes . . . . . . . . . . 31
Intermittent problems . . . . . . . . . . 31
Undetermined problems . . . . . . . . . 32
Chapter 5. Locations . . . . . . . . . 33
Locating tablet controls, connectors, and
indicators. . . . . . . . . . . . . . . . . 33
Front view and side view . . . . . . . . . 33
Rear view . . . . . . . . . . . . . . . 34
Locating FRUs and CRUs . . . . . . . . . . 34
Major FRUs . . . . . . . . . . . . . . 35
Miscellaneous kits and other parts . . . . . 36
Looking up FRU information . . . . . . . . . 36
Chapter 6. FRU replacement
notices . . . . . . . . . . . . . . . . 37
Screw notices . . . . . . . . . . . . . . . 37
Retaining serial numbers. . . . . . . . . . . 38
Chapter 7. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 39
General guidelines . . . . . . . . . . . . . 39
Before servicing the tablet . . . . . . . . . . 40
1010 Back cover assembly . . . . . . . . . . 40
1020 Front-facing camera . . . . . . . . . . 41
1030 Rear-facing camera . . . . . . . . . . 42
1040 System board . . . . . . . . . . . . . 42
1050 Audio-card cable . . . . . . . . . . . 43
1060 Audio card . . . . . . . . . . . . . . 44
1070 Touch-sensor-card support bracket . . . . 44
1080 Speakers assembly . . . . . . . . . . 46
1090 Display cable . . . . . . . . . . . . . 47
1100 Touch-sensor cable . . . . . . . . . . 47
1110 Wireless-LAN antenna assembly . . . . . 48
1120 Built-in battery . . . . . . . . . . . . 49
1130 System-board support bracket . . . . . . 50
1140 LCD module assembly . . . . . . . . . 50
Appendix A. Notices. . . . . . . . . . 53
Electronic emission notices. . . . . . . . . . 54
Trademarks . . . . . . . . . . . . . . . . 54
Appendix B. Abbreviation and
acronym table . . . . . . . . . . . . . 55



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