Apple iMac G5 Especificações descarregar pdf (Página 88)

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iMac G5 (20-inch iSight) Take Apart —Logic Board 88

Using a T10 torx screwdriver, remove the seven screws on the board. Remove the self-3.

tapping screws rst (black and yellow thinner circles). Replacement Note: Always install the

machine screws (shown with wide white circles) before installing the self-tapping screws

At the top of the heatsink, remove the T-7 screw from each support bracket.4.

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 182 183

 Service Source 1
Contents 2
Take Apart 2
Screw Chart 181 4
Tools Required 7
Orientation 7
Serial Number Location 7
Opening the Computer 9
Access Tool Modication 9
EMI Shielding 12
Lower EMI Shield 13
Speakers 14
Access Door 16
Removing the Access Door 17
Replacing the Access Door 17
Front Bezel 18
Removing the Front Bezel 19
Replacing the Front Bezel 24
Camera Board 26
Removing the Camera Board 27
Replacing the Camera Board 30
Removing the Lower EMI Shield 33
IR Board 36
Removing the IR Board 37
Replacing the IR Board 39
LCD Display Panel 41
Removing the Display Panel 42
Replacing the Display Panel 48
Removing the Memory 50
Replacing the Memory 51
Removing the Speakers 53
Replacing the Speakers 56
Removing the Optical Drive 62
Replacing the Optical Drive 67
Pack only one drive per box 72
Removing the Hard Drive 74
Replacing the Hard Drive 77
Power Supply, AC/DC 80
Replace the display panel.8 85
Replace the front bezel.10 85
Logic Board 86
Removing the Logic Board 87
Replacing the Logic Board 92
(shown in orange) 94
AC Line Filter 97
Removing the AC Line Filter 98
Replacing the AC Line Filter 100
Fan, Hard Drive 101
Removing the Hard Drive Fan 102
Replacing the Hard Drive Fan 103
Fan, Optical Drive 105
Fan, CPU 108
Removing the CPU Fan 109
Replacing the CPU Fan 110
Power Supply, DC/DC, Inverter 111
Ambient Light Sensor Board 114
Cable, Camera and IR 117
Wireless Antenna 120
Part Location 121
Preliminary Steps 124
Removing the Clutch 125
Replacing the Clutch 127
Removing the Chassis 129
Replace the Chassis 130
Rear Housing 131
Removing the Rear Housing 132
Replace the Rear Housing 133
Removing the Stand 135
Replacing the Stand 136
Troubleshooting 138
General Information 139
Testing Under Power 145
SMU (System Management Unit) 146
DDR Memory 147
Symptom Charts 148
Power Issues 149
Verbose Startup Mode 152
No Video 153
Hard Drive 157
Optical Drive 158
Discs won’t insert 161
Fan Sound 163
AirPort/Bluetooth 166
IR Remote 168
IR Sensor/Receiver 169
Built-in iSight Camera 170
Audio Quality Poor 171
My mouse doesn’t work at all 173
The mouse is slow to respond 173
Keyboard 174
Error Beep(s) 176
A USB device doesn’t work 177
Not Shown: 180
Modem, External 661-3797 180
Battery 922-6476 180
Power Cord 922-7139 180
Access Tool 922-7172 180
Screw Chart 181

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