Apple iMac G5 Memory, 17-inch Specifications download pdf (Page 74)

iMac G5 (17-inch iSight) Take Apart — Logic Board 74

Logic Board

Tools

Removing the optical drive requires using the following tools:

Torx T10 screwdriver (magnetized)

Torx T6 screwdriver (magnetized)

Preliminary Steps

Before you begin, follow steps for removing the following:

Access door

Front bezel

Lower EMI shield

IR Board

LCD Display

Speakers

CPU Fan

Part Location

•

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 160 161

 Service Source 1
Contents 2
Take Apart 2
Screw Chart 160 4
What’s New? 7
Orientation 7
Serial Number Location 7
Opening the Computer 10
Access Tool Modication 10
EMI Shielding 13
Lower EMI Shield 14
Access Door and Memory 16
Front Bezel 19
Replace the Front Bezel 24
Camera Board 26
Replace the Camera Board 27
Remove the Lower EMI Shield 29
Replace the Lower EMI Shield 29
IR Board 30
Remove the IR Board 31
Replace the IR Board 31
Remove the LCD Display 33
Replace the LCD Display 37
TMDS Cable 39
Remove the TMDS Cable 40
Replace the TMDS Cable 41
Inverter 42
Remove the Inverter 43
Replace the Inverter 45
Remove the Speakers 47
Replace the Speakers 48
Remove the CPU Fan 50
Replace the CPU Fan 50
Remove the Optical Drive 52
Replace the Optical Drive 60
Remove the Hard Drive 62
Replace the Hard Drive 66
DC-DC Board 67
Remove the DC-DC Board 68
Replace the DC-DC Board 69
Power Supply 70
About the Power Supply 71
Remove the Power Supply 72
Replace the Power Supply 73
Logic Board 74
Remove the Logic Board 75
Replace the Logic Board 80
Optical Drive Fan 82
Remove the Optical Drive Fan 83
Replace the Optical Drive Fan 83
Hard Drive Fan 84
Remove the Hard Drive Fan 85
Replace the Hard Drive Fan 85
AC Power Inlet 86
Remove the AC Power Inlet 87
Replace the AC Power Inlet 89
Ambient Light Sensor Board 90
Remove the Clutch 96
Replace the Clutch 98
Wireless Antenna 99
Part Location 100
Remove the Wireless Antenna 100
Replace the Wireless Antenna 102
DC Power Cable 103
Remove the DC Power Cable 104
Replace the DC Power Cable 105
Camera Cable 106
Remove the Camera Cable 107
Replace the Camera Cable 108
Preliminary Steps 110
Remove the Chassis 111
Replace the Chassis 112
Rear Housing 114
Troubleshooting 115
General Information 116
Accessing the Diagnostic LEDs 117
Testing Under Power 123
SMU (System Management Unit) 125
DDR Memory 126
Symptom Charts 127
Power Issues 128
Verbose Startup Mode 131
No Video 132
LCD Display 135
Hard Drive 136
Optical Drive 137
Discs won’t insert 140
Fan Sound 142
AirPort/Bluetooth 145
IR Remote 147
IR Sensor/Receiver 148
Built-in iSight Camera 149
Audio Quality Poor 150
Speakers 151
No: Replace the speakers 152
My mouse doesn’t work at all 153
Keyboard 154
Error Beep(s) 155
A USB device doesn’t work 156
Screw Chart 160

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Apple iMac G5 Memory, 17-inch Specifications Page 74

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