Contents

About this manual . . . . . . . . . .1

Introduction . . . . . . . . . . . . .3

Important service information . . . . . . . .3

Strategy for replacing FRUs . . . . . . . . .3

Strategy for replacing a hard disk drive . . . .4

Important notice for replacing a system board . .4

How to use error messages . . . . . . . .4

Strategy for replacing FRUs for CTO, CMV, and GAV 4

Product definition . . . . . . . . . . .4

FRU identification for CTO, CMV, and GAV

products . . . . . . . . . . . . . . .5

Important information about replacing RoHS

compliant FRUs . . . . . . . . . . . . .6

Diskette compatibility matrix . . . . . . . . .7

Safety notices: multilingual translations . . . . .7

Safety information . . . . . . . . . . . .13

General safety . . . . . . . . . . . .13

Electrical safety . . . . . . . . . . . .13

Safety inspection guide . . . . . . . . .15

Handling devices that are sensitive to

electrostatic discharge . . . . . . . . . .16

Grounding requirements . . . . . . . . .16

Laser compliance statement . . . . . . . . .17

General descriptions . . . . . . . . .19

Read this first . . . . . . . . . . . . .19

What to do first . . . . . . . . . . . .19

Related service information . . . . . . . . .21

Service Web site . . . . . . . . . . . .21

Restoring the factory contents by using Product

Recovery discs . . . . . . . . . . . .21

Passwords . . . . . . . . . . . . . .22

Power management . . . . . . . . . .24

Checkout guide . . . . . . . . . . . . .27

Testing the computer . . . . . . . . . .27

Detecting system information with PC-Doctor . .30

Power system checkout . . . . . . . . .30

ThinkPad Z61t . . . . . . . . . . .33

Product overview . . . . . . . . . . . .34

Specifications . . . . . . . . . . . . .34

Status indicators . . . . . . . . . . . .37

FRU tests . . . . . . . . . . . . . .39

Fn key combinations . . . . . . . . . .41

Symptom-to-FRU index . . . . . . . . . .44

Numeric error codes . . . . . . . . . .44

Error messages . . . . . . . . . . . .48

Beep symptoms . . . . . . . . . . . .49

No-beep symptoms . . . . . . . . . . .49

LCD-related symptoms . . . . . . . . .49

Intermittent problems . . . . . . . . . .51

Undetermined problems . . . . . . . . .51

FRU replacement notices . . . . . . . . . .52

Screw notices . . . . . . . . . . . . .52

Retaining serial numbers . . . . . . . . .52

Removing and replacing a FRU . . . . . . . .55

1010 Battery pack . . . . . . . . . . .56

1020 Ultrabay Slim device . . . . . . . .57

1030 Hard disk drive cover, hard disk drive, and

hard disk drive rubber rails . . . . . . . .58

1040 Palm rest or palm rest with fingerprint

reader . . . . . . . . . . . . . . .61

1050 DIMM . . . . . . . . . . . . .65

1060 Keyboard . . . . . . . . . . . .66

1070 Modem daughter card (MDC-1.5) . . . .68

1080 PCI Express Mini card for wireless WAN . .70

1090 PCI Express Mini card for wireless LAN . .72

1100 PCI Express Mini card for 802.11 a/b/g/n

wireless LAN . . . . . . . . . . . . .74

1110 Backup battery . . . . . . . . . .76

1120 Keyboard bezel . . . . . . . . . .77

1130 Speaker assembly . . . . . . . . .79

1140 SIM card slot . . . . . . . . . . .81

1150 Fan assembly . . . . . . . . . . .82

1160 CPU . . . . . . . . . . . . . .84

1170 Wireless WAN antenna (DIV) . . . . . .85

1180 LCD assembly . . . . . . . . . . .86

1190 Base cover . . . . . . . . . . . .89

1200 USB sub card with cable . . . . . . .92

1210 MG (Magnesium) frame . . . . . . .93

1220 System board and PC Card/ExpressCard

slot assembly . . . . . . . . . . . . .97

2010 LCD front bezel . . . . . . . . . . 101

2020 Inverter card . . . . . . . . . . . 103

2030 Bluetooth daughter card (BDC-2) . . . . 104

2040 Wireless WAN antenna cable (MAIN) or

wireless LAN 3rd antenna cable . . . . . . 106

2050 Integrated camera . . . . . . . . . 108

2060 LCD panel, LCD cable, and hinges . . . 109

2070 LCD rear cover and wireless LAN antenna

cables . . . . . . . . . . . . . . .112

Locations . . . . . . . . . . . . . . .117

Front view . . . . . . . . . . . . .117

Rear view . . . . . . . . . . . . .118

Bottom view . . . . . . . . . . . . .118

Parts list . . . . . . . . . . . . . . .119

Overall . . . . . . . . . . . . . .119

LCD FRUs . . . . . . . . . . . . . 138

Keyboard . . . . . . . . . . . . . . 154

Recovery discs . . . . . . . . . . . . 155

Miscellaneous parts . . . . . . . . . . 159

AC adapters . . . . . . . . . . . . . 161

Common parts list . . . . . . . . . . . 161

Notices . . . . . . . . . . . . . . . 163

Trademarks . . . . . . . . . . . . . . 164

© Copyright Lenovo 2006, 2007 iii