Apple Macintosh PowerBook 1400 Manuel d'utilisateur Page 62
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Troubleshooting Symptom Charts/Video - 10
Display stopped
working or dimmed
but is fine now
1 PowerBook 1400cs: If temperature is under 0° C or over
50° C, this reaction is normal. Let screen warm up for 30
minutes. If symptom persists, replace display.
2 PowerBook 1400c: Replace display.
Backlight doesn't
operate
1 Adjust screen contrast and brightness settings.
2 Verify that backlight cable connection is secure.
3 Check cable, inverter board, and logic board connections.
4 Verify that cables are not pinched or severed.
5 Replace inverter board.
6 Replace display.
7 Replace logic board.
No display, but
computer appears to
operate correctly
Note:
If the sleep light is blinking and the computer is not in
sleep mode, reset the power manager.
- Hot Issues 2
- Overview 3
- 1400 CD-ROM Drives (12/97) 7
- 1 GB Hard Drives Formatted 8
- Improperly (2/97) 8
- Product Overview 16
- System Configurations 18
- PowerBook 1400c (October ‘96) 19
- Repair Strategy 22
- USA Ordering 23
- Canadian Ordering 24
- Warranty/AppleCare/ARIS 25
- Front View 26
- Side View 27
- Rear Panel 28
- Cable Matrix 30
- Battery Information 31
- Nickel-Metal-Hydride 32
- Batteries 32
- Battery Handling Guidelines 33
- PC Card Handling 35
- Specifications 38
- Introduction 39
- Processor 40
- Disk Storage 42
- I/O Interfaces 43
- Security 45
- Expansion Interfaces 46
- I/O Devices 47
- Electrical 49
- Physical 50
- Environmental 51
- Troubleshooting 52
- Symptom Charts 54
- Floppy Drive 67
- CD-ROM Drive 72
- PC Card Module (PCMCIA) 74
- Infrared Communication 76
- Peripherals 77
- Miscellaneous 84
- Disk Tools 86
- Update Driver 86
- Format 86
- Take Apart 87
- Screw Information 88
- Pictured Screws 89
- Take Apart - 8 95
- CD-ROM Drive Assembly 96
- Take Apart - 12 99
- Logic Board 100
- PCMCIA Eject 101
- Mechanism 101
- Display Assembly 102
- Take Apart - 16 103
- Take Apart - 17 104
- Clutch Assembly 105
- Modules You 107
- Must Remove 107
- Caution: 109
- Replacement Caution: 110
- Top Case Assembly 111
- Speaker Grill 112
- 1 Firmly slide the grill to 113
- Replacement Note 114
- Keyboard & Heatsink 115
- Hard Drive 119
- Replacement Notes: 123
- End Clutch Covers 124
- Center Hinge Cover 126
- Top Case 129
- Replacement Note: 130
- 6 Remove the 4 screws 134
- Trackpad 137
- Backup Battery 143
- Replacement Notes 145
- Note: Two panels —graphite 149
- Replacement Note: Notice 150
- Caution: Be careful not to 153
- Note: The bezel is secured 157
- Warning: The brightness 158
- Replacement Note: Push 158
- Note: If the name plates are 159
- Note: The bezel bumpers 160
- Note: The display module 161
- Replacement Steps: 164
- Inverter Board 166
- 1 Disconnect the cable 167
- Note: The inverter board 168
- Caution: If the double 169
- Do not attempt to 169
- Display Housing 173
- 1 Remove the display latch 174
- 2 Lift off the display 175
- Bottom Case 176
- Assembly 176
- 4 Remove the CD-ROM 178
- Floppy Drive Assembly 180
- 1 Remove the 9 screws 181
- 2 Lift off the top cover 181
- PCMCIA Eject Board 183
- Caution: Avoid touching the 184
- Memory Expansion 185
- Note: The customer 186
- Note: To access any 187
- Microprocessor 189
- Daughterboard 189
- (117 MHz) 189
- Note: If you are removing 190
- Microprocessor Unit 191
- (133 MHz) 191
- Replacement Note: Align 193
- No additional removals are 194
- 1 Remove the feet 195
- Note: If a video card was 197
- Note: Inside the video port 198
- Replacement Note: Angle 198
- 5 Remove the 2 screws 200
- Replacement Note: Install 201
- ADB EMI Shield 204
- 1 Remove the ADB EMI 205
- : Carefully angle the PCMCIA 210
- Hard Drive Cable 211
- PCMCIA Door 213
- Replacement Note: Snap 214
- I/O Door 215
- Caution: Remove the door 216
- Note: The bottom case 219
- 2 Remove the transparent 220
- Upgrades 221
- Video Connector 222
- Video Port 223
- Dummy Plug 223
- Factory Upgrade Slot 224
- Additional Procedures 228
- Battery 229
- Verification 229
- Power Adapter 231
- Power Manager 232
- Power Manager Reset 233
- PRAM and Power Manager Reset 234
- Parts Identification 236
- Procedure 237
- Replacement 237
- Exploded View 240
- Exploded View 1 241
- Exploded View 2 242
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