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Lenovo ThinkPad A22p ThinkPad A2* Series Hardware Maintenance Manual (October - Page 143

-in. XGA TFT, Following FRUs are available for MT2628-4xx, Exx, Gxx, Txx, Xxx, MT2633-4xx

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Page 143 highlights

Parts list 14.1-in. XGA TFT Following FRUs are available for MT2628-4xx, Exx, Gxx, Txx, Xxx, MT2633-4xx, Gxx, Txx. FRU LCD cover assembly 14.1 XGA 2628-4xx, Exx except xxK 2633-4xx except 4xK 2628-4xK, ExK 2633-4xK 2628-Txx except TxK 2628-Xxx 2633-Txx except TxK 2633-Xxx 2628-TxK 2633-TxK with heatpipe 2628-Gxx except GxK 2633-Gxx except GxK with heatpipe 2628-GxK 2633-GxK LCD cable 14.1 2628-4xx, Exx, Gxx, Txx, Xxx 2633-4xx, Gxx,Txx LCD panel 14.1 XGA (DBU) 2628-4xx, Exx, Gxx, Txx, Xxx 2633-4xx, Gxx, Txx LCD panel 14.1 XGA (SAMSUNG) 2628-4xx, Exx, Gxx, Txx, Xxx 2633-4xx, Gxx, Txx Hinges 14.1 2628-4xx, Exx, Gxx, Txx, Xxx 2633-4xx, Gxx, Txx Inverter card 12.1/14.1/15.0 2628-4xx 2633-4xx Inverter card 12.1/14.1/15.0 2628-Exx Inverter card (slim) 2628-Gxx, Txx 2633-Gxx, Txx P/N 08K5656 08K5660 12P4215 08K7291 04P3485 08K7111 27L0486 05K9578 05K9588 08K5665 08K3120 12P3051 12P3053 ThinkPad A20m/p, A21m/p and A22m/p 137

Section	Page
About this manual	3
Contents	5
Introduction	7
Important service information	7
Strategy for replacing FRUs	7
Strategy for replacing a hard-disk drive	8
How to use error messages	8
Diskette compatibility matrix	8
Safety notices: multilingual translations	9
Safety information	20
General safety	20
Electrical safety	21
Safety inspection guide	22
Handling electrostaticdischarge-sensitive devices	23
Grounding requirements	24
Laser compliance statement	24
General descriptions	29
Read this first	29
What to do first	29
Related service information	31
Service web site	31
Product recovery program	31
Restoring the pre-installed software:	31
Creating the service partition:	32
To create a recovery repair diskette	32
To use the recovery repair diskette:	33
Passwords	33
Power-on password:	34
Hard-disk password:	34
Supervisor password:	34
How to remove the power-on password	34
How to remove the hard-disk password	35
Power management	36
Screen blank mode	36
Standby mode	36
Hibernation mode	37
Checkout guide	39
Testing the computer	39
Detecting system information withPC-Doctor	41
Hardware Info	41
Utility	41
Power system checkout	41
Checking the ac adapter	42
Checking operational charging	42
Checking the battery pack	43
Checking the backup battery	43
ThinkPad A20m/p, A21m/p andA22m/p	45
Product overview	47
Specifications	47
Status indicators	50
FRU tests	52
Fn key combinations	54
Symptom-to-FRU index	55
Numeric error codes	55
Error messages	58
Beep symptoms	59
No beep symptoms	59
LCD-related symptoms	60
Intermittent problems	61
Undetermined problems	61
FRU replacement notices	62
Screw notices	62
Retaining serial numbers	63
Restoring the serial number of the systemunit	63
Retaining the UUID	63
Removing and replacing a FRU	65
1010 Battery pack	66
1020 DIMM	67
1030 Mini PCI adapter	69
For A20m/p, A21m/p series	70
For A22m/p series	71
1040 Backup battery	72
1050 Hard-disk drive or RF ID adapter	73
1060 Ultrabay 2000 device	75
1070 Keyboard	77
1080 Keyboard CRU insulator	80
1090 Hinge cover and clear sheet icon	81
1100 Keyboard bezel and speaker	82
1110 Microphone and speaker cable	84
For A20m/p and A21m/p series (microphoneand speaker cable)	84
For A22m/p series (speaker cable)	85
1120 Sub card	86
1130 PC Card slot assembly	88
1140 Fan assembly	89
1150 Diskette drive	91
1160 Upper shield	93
1170 TV card	94
1180 CPU socket and CPU	95
1190 System board and RJ45/11connector assembly	97
For A20m/p and A21m/p series	98
For A22m/p series	98
Thermal rubbers location	99
2010 LCD assembly	100
2020 Front bezel	102
12.1-in. panel	102
14.1-in. and 15.0-in. panels	103
2030 Inverter card	105
12.1-in. panel	105
14.1-in. and 15.0-in. panels	106
2040 LCD panel	107
12.1-in. panel	107
14.1-in. and 15.0-in. panels	109
3010 ThinkPad Dock PCI cover	111
3020 ThinkPad Dock top cover	113
Locations	118
Front view	118
Rear view	119
Bottom view	120
Parts list	121
A series model matrix	121
Overall	129
AC adapter	142
LCD FRUs	142
12.1-in. SVGA TFT	142
14.1-in. XGA TFT	143
15.0-in. XGA TFT (LG)	144
15.0-in. XGA TFT (SAMSUNG)	144
15.0-in. SXGA+ TFT	145
15.0-in. UXGA TFT	145
Keyboard	146
Recovery CDs	147
For Windows 98 (A22m)	147
For Windows 98 (A22p)	148
For Windows 2000 (A22m)	149
For Windows 2000 (A22p)	149
For Windows 2000/Windows NT (A22m)	149
For Windows 2000/Windows NT (A22p)	150
Miscellaneous parts	151
Optional FRUs	153
Common parts list	154
Tools	154
Power cords (system)	154
Power cords (docking station)	155
Notices	156