Contents

About this manual

.

1

FRU replacement notices

.

52

 

 

 

Screw notices

.

52

Introduction

.

3

Retaining serial numbers

.

52

Important service information

.

3

Removing and replacing a FRU

. 55

1010

Battery pack

.

56

Strategy for replacing FRUs

.

3

1020

Ultrabay Slim device

.

57

Strategy for replacing a hard disk drive . . .

.

4

1030

Hard disk drive cover, hard disk drive, and

 

Important notice for replacing a system board .

. 4

 

hard disk drive rubber rails

.

58

How to use error messages

.

4

1040

Palm rest or palm rest with fingerprint

 

 

Strategy for replacing FRUs for CTO, CMV, and GAV

4

 

 

reader

.

61

Product definition

.

4

1050

DIMM

.

65

FRU identification for CTO, CMV, and GAV

 

 

 

 

1060

Keyboard

.

66

products

.

5

1070

Modem daughter card (MDC-1.5) . . .

. 68

Important information about replacing RoHS

 

 

 

 

1080

PCI Express Mini card for wireless WAN. . 70

compliant FRUs

.

6

1090

PCI Express Mini card for wireless LAN . . 72

Diskette compatibility matrix

.

7

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

 

 

Safety notices: multilingual translations . . . .

.

7

 

 

wireless LAN

.

74

Safety information

.

13

1110 Backup battery

.

76

General safety

.

13

1120 Keyboard bezel

.

77

Electrical safety

.

13

1130 Speaker assembly

.

79

Safety inspection guide

.

15

1140 SIM card slot

.

81

Handling devices that are sensitive to

 

 

 

 

1150 Fan assembly

.

82

electrostatic discharge

.

16

1160 CPU

.

84

Grounding requirements

.

16

1170 Wireless WAN antenna (DIV)

. 85

Laser compliance statement

.

17

1180 LCD assembly

.

86

 

 

 

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

1190 Base cover

.

89

1200

USB sub card with cable

. 92

Read this first

.

19

1210

MG (Magnesium) frame

. 93

What to do first

.

19

1220

System board and PC Card/ExpressCard

 

 

Related service information

.

21

 

 

slot assembly

.

97

Service Web site

.

21

2010

LCD front bezel

.

101

Restoring the factory contents by using Product

 

 

 

 

2020

Inverter card

.

103

Recovery discs

.

21

2030

Bluetooth daughter card (BDC-2) . . .

. 104

Passwords

.

22

2040

Wireless WAN antenna cable (MAIN) or

 

 

Power management

.

24

 

 

wireless LAN 3rd antenna cable

. 106

Checkout guide

.

27

2050

Integrated camera

.

108

Testing the computer

.

27

2060

LCD panel, LCD cable, and hinges . .

. 109

Detecting system information with PC-Doctor . . 30

2070

LCD rear cover and wireless LAN antenna

 

 

Power system checkout

.

30

 

 

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

 

 

 

ThinkPad Z61t

33

Locations

.

117

Front view

.

117

Product overview

.

34

Rear view

.

118

Specifications

.

34

Bottom view

.

118

Status indicators

.

37

Parts list

.

119

FRU tests

.

39

Overall

.

119

Fn key combinations

.

41

LCD FRUs

.

138

Symptom-to-FRU index

.

44

Keyboard

.

154

Numeric error codes

.

44

Recovery discs

.

155

Error messages

.

48

Miscellaneous parts

.

159

Beep symptoms

.

49

AC adapters

.

161

No-beep symptoms

.

49

Common parts list

.

161

LCD-related symptoms

.

49

Notices

.

163

Intermittent problems

.

51

Trademarks

.

164

Undetermined problems

.

51

 

 

 

 

© Copyright Lenovo 2006, 2007

iii

Page 5
Image 5
IBM MT 9441, MT 9448, MT 8747, MT 9440, MT 9443, MT 9442, MT 8749 manual Contents