Table Of Contents - Lenovo ZhaoYang K4350A Hardware Maintenance Manual

Contents
About this manual. . . . . . . . . . .
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Safety notices (multilingual translations) . . . . . .
Chapter 2. General checkout . . . . . 21
What to do first . . . . . . . . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Checking operational charging . . . . . .
Checking the battery pack . . . . . . . .
Chapter 3. Important service
information . . . . . . . . . . . . . . 25
Recovering the computer settings . . . . . . .
Using passwords. . . . . . . . . . . . . .
Power management . . . . . . . . . . . .
Screen blank mode . . . . . . . . . . .
Sleep mode . . . . . . . . . . . . . .
Hibernation mode
Chapter 4. Status indicators . . . . . 29
Chapter 5. Fn key combinations . . . 31
Chapter 6. Locations . . . . . . . . . 33
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . .
Front view. . . . . . . . . . . . . . .
Bottom view . . . . . . . . . . . . . .
Locating FRUs and CRUs . . . . . . . . . .
© Copyright Lenovo 2013
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Major FRUs and CRUs. . . . . . . . . .
LCD FRUs and CRUs . . . . . . . . . .
Looking up FRU information . . . . . . . . .
1
Chapter 7. FRU replacement
1
notices . . . . . . . . . . . . . . . . 39
3
Important notice for replacing FRUs . . . . . .
3
Screw notices . . . . . . . . . . . . . . .
4
Chapter 8. Removing or replacing a
4
FRU . . . . . . . . . . . . . . . . . . 41
General guidelines . . . . . . . . . . . . .
21
1010 Battery pack . . . . . . . . . . . . .
22
1020 Bottom slot cover . . . . . . . . . . .
22
1030 Memory modules . . . . . . . . . . .
23
1040 Hard disk drive assembly . . . . . . . .
23
1050 PCI Express Mini Card for wireless LAN . .
1060 mSATA solid-state drive . . . . . . . . .
1070 Backup battery . . . . . . . . . . . .
1080 Keyboard . . . . . . . . . . . . . .
25
1090 Keyboard bezel . . . . . . . . . . . .
25
1110 Fingerprint board bracket and fingerprint
26
board with cable . . . . . . . . . . . . . .
26
1120 Power board . . . . . . . . . . . . .
26
1130 Media card reader slot board . . . . . . .
27
1140 System board assembly. . . . . . . . .
1150 Thermal module assembly . . . . . . . .
1160 Speakers, LCD unit and base cover . . . .
1170 DC-in connector . . . . . . . . . . . .
2010 LCD front bezel . . . . . . . . . . . .
2020 Camera and microphone board . . . . . .
2030 LCD panel, LCD cable, and hinges . . . .
33
2040 Antenna assembly and LCD rear cover . . .
33
Appendix A. Notices . . . . . . . . . . 73
34
Trademarks . . . . . . . . . . . . . . . .
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