IBM X24 manuals

Ibm X24 User Manual (141 pages)

Brand: Ibm | Category: Laptops | Size: 5.55 MB |

English

Table of contents

ThinkPad X20, X21, X22, X23

1

X24 Hardware Maintenance

1

Contents

3

How to use error messages

6

Safety information

16

General safety

16

Electrical safety

17

Safety inspection guide

18

Handling electrostatic

19

Grounding requirements

20

Laser compliance statement

21

Laser radiation

22

Chapter 1. Introduction

23

Read this first

25

Related service information

28

Service Web site

28

Product recovery program

28

Using Recovery CD

29

Passwords

30

Power management

32

Checkout guide

36

Testing the computer

36

PC-Doctor

39

Power system checkout

39

Pin Voltage (V dc)

40

1 +15.5 to +17.0

40

2 Ground

40

Terminal Voltage (V dc)

41

4 Ground (-)

41

Wire Voltage (V dc)

42

Red +2.5 to +3.2

42

Black Ground

42

X23, X24

43

Product overview

46

Specifications

46

Status indicators

48

Fn key combinations

51

Symptom-to-FRU index

52

Numeric error codes

52

Error messages

54

No beep symptoms

55

LCD-related symptoms

56

Intermittent problems

56

Undetermined problems

57

FRU replacement notices

58

Screw notices

58

Retaining serial numbers

59

Retaining the UUID

60

Removing and replacing a FRU

61

1010 Battery pack

62

1020 DIMM

63

1030 Backup battery

64

1040 Hard disk drive

65

For X23, X24

75

1100 Fan assembly

76

1 Gray Color Main (J1)

78

2 Black Color Aux (J2)

78

2 M2 × 8mm

80

Nylock-coated(2) BK

80

29.4 Ncm (3 kgfcm)

80

2 M2 × 6mm, Nylock-coated

85

19.6 Ncm (2 kgfcm)

85

1190 LCD USB cover

95

1200 Front bezel

95

XGA for X20, X21

97

SVGA for X20, X21

98

XGA for X22, X23, X24

100

Step Screw (quantity) Torque

101

Locations

102

Front view for X20, X21

102

Front view for X22

102

Front view for X23, X24

103

Rear view for X22, X23, X24

105

Rear view for X20, X21

105

Bottom view

107

Parts List

108

X20 series model matrix

108

X21 series model matrix

108

X22 series model matrix

109

X23 series model matrix

109

X24 series model matrix

110

12.1-inch XGA TFT X20, X21

111

12.1-inch SVGA TFT

112

5 LCD USB Cover 04P3179

113

6 Hinges 04P3168

113

7 LCD Rear Cover BK 04P3170

113

For X20, X21

116

No. FRU P/N

118

1 Hinge cover 26P9827

118

3 Keyboard FRU

118

4 Keyboard bezel

118

20 IR Sub card 26P8168

123

IR / 1394 Sub card 26P8169

123

For X22, X23, X24

125

Base Cover FRU

126

Windows 98 recovery CDs

128

Windows 2000 recovery CDs

129

Windows Me recovery CDs

130

Windows XP Pro recovery CDs

131

Windows XP Home recovery CDs

131

For X22, X23

136

Power code (system)

139

Chapter 4. Notices

141

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