Apple MD094LL/A Manuel d'utilisateur Page 123
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Noté. / 5. Basé sur avis des utilisateurs
iMac (27-inch, Mid 2010) Symptom Charts — Mechanical 123
2010-09-09
Physical Damage
Symptoms Quick Check
Physical Damage
• Broken glass
• Bent stand
• Broken hinge
• Stripped screw/head
• Stripped screw boss
• Dent or scratch to chassis
1. Verify if damage caused by user environment,
accidental damage, or abuse. If applicable inform
the user that Apple does not warrant damage
caused by accident, abuse, misuse, ood, re,
earthquake, or other external causes. For more
information refer to:
http://www.apple.com/legal/warranty
Uncategorized Symptoms
Check Result Action Code
1. Verify if existing symptom code
applies to issue reported by
user.
Yes Jump to appropriate
symptom code ow.
No Document reported failure
and send feedback to
stating that a suitable
symptom code wasn’t found.
Provide as much detail as
possible.
N99
- Apple Technician Guide 1
- Contents 3
- About This Guide 3
- Symptom Charts 35 4
- Feedback 10
- Overview 12
- Identifying Features 13
- Product Congurations 13
- Safety Precautions 14
- Serial Number Location 15
- New Accessories 16
- Magic Trackpad 16
- Pairing the Magic Trackpad 17
- Installing Batteries 17
- Apple Battery Charger 18
- Troubleshooting 19
- General Troubleshooting 20
- Hardware vs. Software 21
- Common Reset Procedures 21
- Power On Self Test (POST) 21
- 2010-09-09 22
- Starting Up in Safe Mode 23
- Diagnostics 25
- Sensors Errors 25
- Sensor Locations 27
- Diagnostic LEDs 29
- Location of Diagnostic LEDs 29
- LED Functions 30
- LED Startup Sequence 31
- Logic Board Test Points 32
- Functional Overview 33
- K22/K23 System Block Diagram 34
- Symptom Charts 35
- Won’t Start Up 37
- Intermittent Shutdown 39
- Kernel Panic, System Crashes 44
- No Video 46
- Corrupted Video 48
- Burnt Smell/Odor 51
- Backlight Issue/No Backlight 53
- Noise / Unstable Flickering 55
- LCD Image Issues 58
- Incorrect/Missing Colors 60
- Distorted/Blurred Image 62
- Pixel Anomalies 64
- Vertical/Horizontal Lines 66
- Cosmetic Defects 69
- Mass Storage 70
- Hard Drive Read/Write Errors 72
- Hard Drive Noisy 74
- Optical Drive Not Recognized 76
- Optical Drive Noisy 82
- SD Card Not Recognized 84
- Communications 86
- AirPort Card Kernel Panic 89
- Ethernet Port/Device Issue 90
- Input/Output Devices 94
- Audio: Microphone 96
- 2010-09-09 100
- Camera Issues 101
- Quick Check 102
- Deep Dive 102
- USB Device Not Recognized 104
- Uncategorized Symptoms 117
- Mechanical 118
- Fan Failures / Thermal Issues 121
- Stand/Hinge Issues 122
- Physical Damage 123
- Service Source 124
- Take Apart 124
- General Information 125
- Cleaning Tools Starter Kit 126
- Do’s and Don’ts 127
- Handling a Broken Glass Panel 128
- Logic Board Handling 134
- Reassembly Steps 134
- Screw Sizes 134
- Access Door 135
- 1 Raise the stand and 136
- 2 Remove the access 136
- First Steps 137
- Glass Panel 139
- 1 The glass panel can 140
- 2 Lift glass panel o the 140
- 3 Remove suction cups 141
- Reassembly 141
- 1 Remove protective 141
- 2 Clean silicone roller 141
- 3 Set unit in upright 142
- 4 Roll silicone roller 142
- 5 Remove glass panel 142
- 6 Clean INSIDE of 142
- 7 Wearing clean gloves 143
- 8 Clean outside of glass 143
- 9 Inspect glass for 143
- 1 Remove 2 T10 screws: 145
- 2 Lift camera bracket 145
- 3 Disconnect camera 145
- 1 Thermal paste is 146
- 2 Use a black stick to 146
- LCD Panel 147
- 1 Remove 8 T10 screws: 148
- 2 With computer 148
- 3 Looking down into 149
- 4 Pull display forward 150
- 5 To the right of the 150
- 6 Gently remove the 151
- 7 Lift the LCD panel o 151
- 8 Without touching the 152
- Handling the 153
- 1 Important: Handle 153
- 2 Never touch LCD 153
- 1 The panel is heavy! 154
- 2 Lean panel toward 154
- 3 Connect the 154
- 4 IIn the following order 155
- 5 Press sticky 155
- 6 Connect the vertical 156
- 7 Replace 8 panel 156
- Vertical Sync Cable (Vsync) 157
- LED Temp Sensor Cable 158
- DisplayPort Cable 159
- 2 Peel back aluminum 160
- 3 Press in on metal 160
- Audio Ports and Cable 161
- 1 Disconnect audio 162
- 2 Remove cable from 162
- AirPort Antenna 163
- 1 Disconnect antenna 164
- 2 Peel up EMI tape 164
- 3 Remove 2 T8 antenna 164
- 4 Remove antenna from 164
- AirPort Card 165
- 1 Remove 1 T6 screw 166
- 2 Disconnect 2 AirPort 166
- 3 Hold card by edges 166
- AirPort Carrier Board 167
- 1 Remove Kapton tape 168
- 2 Disconnect Airport 168
- 3 Remove 2 T10 screws: 168
- 4 Lift AirPort carrier 168
- AirPort Cable 169
- 1 With a black stick 170
- 2 Lift AirPort cable o 170
- 3 Remove Kapton tape 170
- Bluetooth Antenna 171
- 1 Remove 2 T8 screws 172
- 2 Disconnect Bluetooth 172
- 3 Remove antenna from 172
- Bluetooth Board 173
- 1 Disconnect 2 cables: 174
- 2 Remove 1 T8 screw: 174
- LED Backlight Board 175
- 1 Remove 4 T10 screws 176
- 2 Lift up board, ip over 176
- Power Supply 177
- Backlight Pressure Wall 180
- 1 Lift pressure wall 181
- Power Supply/Hard drive 182
- Pressure Wall 182
- 1 Note: Make sure the 183
- 2 The camera cable 183
- 3 Connect AC inlet 184
- 4 Replace Kapton tape 184
- Hard Drive 185
- 1 If installing a 187
- 2 Note: Each hard drive 187
- 3 Important: When 187
- Hard Drive Sensor Cable 188
- 1 Disconnect hard drive 189
- 1 Important: When 189
- Optical Drive 190
- 2 Lift optical drive 191
- 3 Pull optical away 191
- 4 Disconnect optical 192
- 2 Install optical drive by 193
- 3 Replace screws in 194
- Optical Sensor Cable 195
- 1 Disconnect optical 196
- 2 Peel up foam gasket 196
- Optical Drive Fan 197
- 1 Remove 1 T10 screw 198
- 2 Disconnect fan cable 198
- 3 Lift fan o 2 guide 198
- SD Card Reader 199
- 1 Remove 1 T8 screw: 200
- 2 Disconnect cable and 200
- 1 Look at the sticker on 201
- 2 The EEE code will read 201
- 3 Compare old SD card 201
- SD Card Reader Cable 202
- 1 Peel back aluminum 203
- 2 Disconnect cable 203
- IR Board and Cable 204
- 2 Disconnect IR cable 205
- 3 With 2 ngers, wiggle 205
- Logic Board 206
- 1 Carefully disconnect 207
- 2 Tape cables back so 207
- 3 Remove 8 T10 screws 208
- 4 Gently pull board 208
- 5 Carefully lift board up 209
- 1 Remove HD temp 210
- 2 Verify that tamper 210
- 3 Transfer: 211
- 4 Apply new Ethernet 211
- 5 Use the Blank Board 211
- 6 Note: You can install 211
- 7 Lower board into rear 212
- 8 Check that the video 213
- 9 Observe how the 213
- 10 As you the lower 214
- 11 Connect 14 cables to 214
- 12 Insert cable 215
- 13 Replace 8 T10 screws 215
- Video Card 216
- 1 Remove 3 screws 217
- 2 Disconnect video card 217
- 3 Support video card as 217
- 1 To remove the 218
- 2 Carefully slide video 218
- Solid State Drive (SSD) 219
- 1 Note: There are two 220
- 2 Disconnect 3 cables 220
- 3 Remove 1 T8 screw in 220
- 4 Use a black stick to 221
- 5 Lift pressure wall and 221
- 6 Turn pressure wall 221
- 1 Make sure the 222
- 2 On SSD-only congs 222
- SSD Data Cable 223
- 1 Disconnect SSD data 224
- Optical/MXM Pressure Wall 225
- 1 Remove 1 T8 screw 226
- 2 (Illustration shows 226
- 3 If replacing pressure 226
- Hard Drive Data Cable 227
- 2 Disconnect other end 228
- Optical Drive Data Cable 230
- 1 Use a black stick to 233
- 1 Make sure battery 233
- 2 Press battery (922 233
- Right Speaker 234
- 2 Rotate speaker to the 235
- 1 Route sensor cable 238
- 2 Route ambient sensor 238
- Ambient Temp Sensor 239
- 1 Note routing of temp 240
- 2 Release sensor cable 240
- Left Speaker 241
- 2 Lift speaker out of 242
- 1 Route speaker cable 242
- 2 Route speaker cable 243
- Hard Drive Fan 244
- Removal 245
- 2 Pull the fan straight 245
- Mechanism Cover 246
- 1 Peel up aluminum 247
- 2 Remove 4 T10 screws; 247
- 3 Pry cover o 247
- 1 Place the computer 249
- 2 Press the stand down 249
- 3 Insert the card as far 249
- 4 Remove the access 249
- 4 Insert the access card 251
- 5 Stand the computer 251
- Mechanism 252
- 1 Remove 6 T10 screws: 253
- 2 Lift mechanism o 253
- Bluetooth Cable 254
- 1 Disconnect the black 255
- 2 Follow cable along to 255
- 3 Peel back EMI tape 256
- Camera Cable 257
- 1 Disconnect camera 258
- 2 Disconnect camera 258
- 3 Remove EMI tape at 259
- Cable, AC/DC Power/Backlight/ 260
- 1 Observe cable routing 261
- 2 Release cable from 261
- SATA, SSD 262
- 1 Disconnect SSD drive 263
- Microphone Cable 265
- Rear Housing 266
- 1 Handling: Handling 267
- 2 Optical Drive Bezel 267
- 9 Transfer Camera and 269
- 10 Apply aluminum 269
- 11 Place the two new 270
- 12 Transfer: 270
- 13 Replace the 270
- Additional Procedures 271
- Retrieving Mechanism 272
- 1 Place computer face 273
- 2 Peer into stand slot 273
- 3 Cut access card in half 273
- 4 Insert half of access 273
- 5 Notice shape of 274
- 6 The small hole on 274
- 7 Hold access card so 274
- 8 Align retrieval 274
- 9 Have an assistant hold 274
- 10 When you can pull up 275
- 11 Pull up mechanism 275
- 12 Mechanism is now 275
- Exploded Views 277
- Exploded View #2 278
- Exploded View #3 279
- External Views 280
- Internal Views 282
- Logic Board, Front Side 284
- Logic Board, Back Side 285
- Screw Chart 286
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