Lenovo 440128U, Руководство по техническому обслуживанию аппаратной части

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Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . .
3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Laser compliance statement (multilingual
translations) . . . . . . . . . . . . . . . .
17
Chapter 2. Important service
information . . . . . . . . . . . . . .
23
Strategy for replacing FRUs . . . . . . . . . 23
Strategy for replacing a hard disk drive . . . 24
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
24
How to use error message . . . . . . . . 24
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . .
24
Product definition . . . . . . . . . . . . 24
FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . . .
25
Chapter 3. General checkout . . . . . 27
What to do first . . . . . . . . . . . . . . 27
Checkout guide . . . . . . . . . . . . . . 28
Diagnostics using PC-Doctor for DOS. . . . 28
Lenovo ThinkVantage Toolbox . . . . . . . 30
FRU tests . . . . . . . . . . . . . . . 31
Power system checkout . . . . . . . . . . . 32
Checking the ac power adapter . . . . . . 32
Checking operational charging . . . . . . 33
Checking the battery pack . . . . . . . . 33
Checking the backup battery . . . . . . . 33
Chapter 4. Related service
information . . . . . . . . . . . . . .
35
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . .
35
Passwords . . . . . . . . . . . . . . . . 36
Power-on password . . . . . . . . . . . 36
Hard-disk password. . . . . . . . . . . 36
Supervisor password . . . . . . . . . . 37
How to remove the power-on password . . . 37
How to remove the hard-disk password . . . 37
Power management . . . . . . . . . . . . 38
Screen blank mode . . . . . . . . . . . 38
Sleep (standby) mode . . . . . . . . . . 38
Hibernation mode . . . . . . . . . . . 39
Symptom-to-FRU index . . . . . . . . . . . 39
Numeric error codes . . . . . . . . . . 40
Error messages . . . . . . . . . . . . 40
No-beep symptoms . . . . . . . . . . . 41
LCD-related symptoms . . . . . . . . . 41
Intermittent problems . . . . . . . . . . 41
Undetermined problems . . . . . . . . . 42
Chapter 5. Status indicators . . . . . 43
Chapter 6. Special keys. . . . . . . . 45
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . .
47
Screw notices . . . . . . . . . . . . . . . 47
Retaining serial numbers. . . . . . . . . . . 48
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
48
Retaining the UUID . . . . . . . . . . . 48
Reading or writing the ECA information . . . 49
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . .
51
Before servicing ThinkPad Edge E420s . . . . . 51
1010 ExpressCard blank bezel and Media Card
blank bezel . . . . . . . . . . . . . . . .
52
1020 Hard disk drive or solid state drive
assembly . . . . . . . . . . . . . . . . .
54
1030 Keyboard . . . . . . . . . . . . . . 55
1040 Top case assembly. . . . . . . . . . . 58
1050 Backup battery . . . . . . . . . . . . 59
1060 Speaker assembly . . . . . . . . . . . 60
1070 Fingerprint reader . . . . . . . . . . . 61
1080 Touch pad . . . . . . . . . . . . . . 61
1090 Battery pack . . . . . . . . . . . . . 62
1100 Optical drive or travel cover . . . . . . . 63
1110 DIMM . . . . . . . . . . . . . . . . 64
1120 PCI Express Mini Card for wireless LAN . . 65
1130 PCI Express Mini Card for wireless WAN . . 67
1140 Bluetooth daughter card . . . . . . . . 68
1150 Media Card Reader slot board assembly . . 68
1160 System board assembly and fan assembly . 70
1170 DC-in sub card . . . . . . . . . . . . 72
1180 LCD unit . . . . . . . . . . . . . . . 73
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