Replace the Chassis

Position the chassis on the rear housing as shown and install 10 self-tapping mounting screws. 2. Replace the foam cushion on the chassis where shown in the photo above. 8. Replace the hard drive and optical drive fans. 14. Replace the lower EMI shield. 16. Replace the memory access door.

Replace the Inverter

Insert the inverter cable through a hole at the back center of the right mounting bracket, and press the sticky side of the replacement inverter onto the back edge of the bracket. Inverter should look as shown below. 2. Connect the inverter-to-display cables and tape them to the back of the display panel. 4. Replace the lower EMI shield.

Lower EMI Shield

EMI tape covers the top and sides of the display panel, and the lower EMI shield covers the logic board along the bottom of the unit. The EMI tape and lower EMI shield are easily damaged when removed, and removal is necessary in order to access most components within the unit. Should the EMI tape that seals the display, or the EMI shield covering the bottom of the enclosure see photo below accidentally tear, use EMI tape to repair and completely seal the unit. When properly repaired, all edges...

Remove the Power Supply

Using a T10 torx screwdriver, remove the three self-tapping screws from both top corners and the lower left corner of the DC-DC board. Then remove the machine screw from the lower right corner of the board. Replacement Note When installing the mounting screws in the power supply, install the machine screw first in the lower right corner of the power supply. Then install the three self-tapping screws. 2. Disconnect the power supply cable. 3. Pull out the power supply-to-TMDS cable from...

Remove the Clutch

Carefully peel back the EMI tape and pull the cover straight off the clutch. 2. Using a T10 torx screwdriver, remove the four clutch mounting screws. 3. Stand up the unit, and peel up the silk tape to access the four clutch-to-stand mounting screws. . 4. Using a T10 torx screwdriver, remove the four clutch-to-stand screws. Remove the clutch and cover from the stand.

Remove the Logic Board

Imac 2006 Data Cable Logic Board

Using a T10 torx screwdriver, remove the screw and flex cable mounting bracket. Disconnect the optical drive flex cable from the logic board connector 2. Disconnect the large, hard drive data cable from the center of the logic board. 3. Disconnect the following cables from connectors on the logic board. Connectors are shown starting in the lower left corner, proceeding clockwise. Ambient light sensor Power on Hard drive temperature sensor Temp 1 Optical drive temperature sensor Temp 2 Hard...

Accessing the Diagnostic LEDs

Imac Monitor Screwdriver Stand

The iMac G5 17-inch iSight has four built-in diagnostic LEDs on the main logic board that can help you troubleshoot the computer. Follow the steps below to access the LEDs. 1. Shut down the computer and disconnect all cables except the power cord. 2. Place a soft, clean towel or cloth on the desk or flat surface. Grasp the sides of the unit and slowly lay it screen-down on the cloth, with the bottom facing you. 3. Raise the stand and use a Phillips 2 screwdriver to loosen the two captive screws...

Replace the Clutch

Make sure the stand is erect and the end of the stand is inserted through the mounting hole in the rear housing. 2. Position the clutch on the stand as shown, with the springs at bottom right. Install the four long, clutch-to-stand mounting screws 3. Adjust the clutch so that its chassis mounting holes align, and install the four machine screws that secure the clutch to the chassis. 6. Replace the optical drive fan. 12. Replace the lower EMI shield. 14. Replace the memory access door.

Replace the Camera Cable

Insert the two-headed end of the camera cable through the access hole in the upper EMI skirt. 2. Replace the EMI grounding tape as shown below. The metallic tape should secure the cable to the metal chassis. 3. Route the camera cable as shown, and tape the camera cable and DC power cable to the rear housing as shown below. 6. Replace the optical drive fan. 12. Replace the lower EMI shield. 14. Replace the memory access door.

How to Use the Symptom Charts

Imac Isight Not Booting

The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product. Because cures are listed on the charts in the order of most likely solution, try the cures in the order presented. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the next cure. Note If a cure instructs you to replace a module, reinstall the original module before you proceed to the next cure. The iMac G5 will not turn on. The display has...

Remove the Speakers

Using a T10 torx screwdriver, remove the mounting screws from the left and right speakers. Replacement Note The longer of the two speaker mounting screws is used to secure the left speaker the shorter screw secures the right speaker. 2. Using a T6 torx screwdriver, remove the screw that secures the IR board mounting bracket to the logic board. Remove the IR mounting bracket and attached gold bracket. 3. Lift the left speaker straight up to remove it. Replacement Note Note the location and...

Replace the Optical Drive

If necessary, install the flex cable to the optical drive with two screws. 2. Insert the optical drive bezel-end-first into the access hole in the housing. Be sure to align the two guide holes in the front bezel with guide posts at each end of the drive access hole. 3. Push down on the mounting bracket to lock the optical drive securely into place on the chassis. Caution Never press down on or grasp the body silver of the optical drive when removing or installing it. Depressing the body of...

Remove the Front Bezel

Turn over the unit and place it screen-up on an ESD mat, with the bottom facing toward you. 2. Tilt up the bezel and use a T8 torx screwdriver to remove the three bezel mounting screws. 3. Bending the upper quarter of the access tool card slightly will help engage the latch more securely. Note Refer to Access Tool Modification in the General Information chapter if the bezel is difficult to open. 4. This picture shows how the access tool works. Pushing the tool up the vent on the rear cover...

Builtin iSight Camera

The built-in camera is not recognized. 1. Boot the iMac G5 to the desktop and launch iChat AV. Note You do not need to be connected to a network to use iChat AV to troubleshoot. Verify that the correct versions of Mac OS X and iChat AV are installed. Reinstall or update software as needed. 2. Open the iChat AV preferences and click on the 'Video' icon. Verify whether the camera is recognized by the iChat AV software. Is the camera recognized Yes the camera is recognized and video preview is...

Remove the AC Power Inlet

Imac Power Inlet

Using a torx T10 screwdriver, remove the three self-tapping screws from the power inlet. 2. Using a tox T10 screwdriver, remove the machine screw from the power inlet ground cable. 3. Disconnect the power inlet-to-power supply cables and unlace the power inlet cable from beneath the chassis. 4. Peel up the EMI tape that secures the AC power inlet to the rear housing and remove the power inlet.

Remove the Inverter

Inverter Macbook Air

Remove two pieces of tape that secure the inverter cables to the back of the display panel, and disconnect the inverter connectors where shown. 3. Using a flat-blade screwdriver as shown, pry up the inverter to remove it from inside the right side display panel mounting bracket. 4. Remove the inverter cable from the hole in the right mounting bracket to separate the inverter and bracket.

Remove the Hard Drive

Replacing Apple Imac Drive

Disconnect the sensor cable from the temperature sensor on top of the hard drive. 2. Remove the temperature sensor from the drive. Transfer the sensor to the replacement hard drive. 3. Position yourself at the top side of the unit closest to the hard drive mounting bracket. 4. Grasp the mounting bracket as shown, and push in and down on the edge of the bracket until you feel it release. If the bracket doesn't release, use your left hand to hold it in this depressed position, and with your...

Remove the Wireless Antenna

Carefully peel back the EMI skirt and backing from the top right inside corner of the rear housing as shown below. Peel back just enough EMI backing to access the antenna cable. 2. Remove two pieces of tape that secure the antenna cable to the rear housing. Remove the connectors end of the antenna cable from the access hole in the EMI skirt. 3. Using a flat-blade screwdriver, pry the antenna off the rear housing.

Replace the Lower EMI Shield

Position the lower EMI shield over the bottom of the unit so that the holes in the shield are properly aligned. 2. Press the sticky, top edge of the EMI shield onto the bottom side of the display panel. The crease in the EMI shield should align with the edge of the panel. 3. Fold down the EMI shield and press it firmly over the bottom edge of the rear housing. Use a black stick to rub out wrinkles and ensure that the EMI shield adheres firmly along all edges.

Air PortBluetooth

Not able to connect wirelessly with AirPort or Bluetooth 1. From the Apple menu, choose About this Mac. 2. Click on More Info. System Profiler should open. 3. In System Profiler, in the column on the left, look under Hardware for a line called AirPort Card Select that line. 4. Does the section to the right say No Information Found Yes The computer doesn't realize it has an AirPort Bluetooth combo card installed. Go to step. 5 No The iMac recognizes that it has an AirPort Bluetooth combo card...

IR Sensor Receiver

Supported applications do not respond to input from the remote control. 1. Perform the checks above under IR Remote to verify that the Apple Remote is functioning correctly, and retest. Do supported applications now respond to input from the IR remote Yes Problem resolved. 2. Verify that the IR Sensor can be seen in the Apple System Profiler. Open the Apple System Profiler and click on the USB section. You should see the following listed Manufacturer Product ID Vendor ID Up to 12 Mb sec AoD e...

Replace the Hard Drive

Install two mounting pins in the bottom side of the hard drive mounting bracket. 2. Install the mounting bracket to the top of the hard drive with two screws. 3. Install the temperature senor on the hard drive. Use the double-stick tape enclosed with the replacement hard drive to attach the sensor. 4. Connect the hard drive power and data cables. 5. Insert the hard drive mounting pins and position the drive on the chassis. Make sure the hard drive power and data cables are routed around the...

Replace the TMDS Cable

Position the TMDS cable on the back of the display panel as shown in the Part Location photo above. 2. Connect the TMDS cable connector. When connected correctly the locking levers will secure the connector and it cannot be disconnected without depressing the levers. 3. Secure the TMDS cable to the panel with four strips of tape. 5. Replace the lower EMI shield.

Replace the Speakers

Imac How Replace Speaker

Install the speakers and route the speaker wire as shown below. 2. Connect the speaker cable connector to the logic board, 3. Secure the right speaker with the smaller of the two mounting screws. 4. Secure the left speaker with the longer of the two mounting screws. 5. Install the IR board mounting bracket, gold bracket, and screw.

IMac G inch iSight Lower Exploded View

Antenna Exploded View

Hard Drive 661-3772 160 GB, 7200, SATA 661-3773 250 GB, 7200, SATA 661-3774 500 GB, 7200, SATA Camera Cable 922-7149 Clutch Cover 922-7080 HD Temp Sensor Cable 922-7059 shorter ODD Temp Sensor Cable 922-7060 longer Apple Remote, 661-3756 Access Card, 922-7172 Apple USB Modem, 661-3797 Apple Mighty Mouse, 661-3662 Wireless Keyboard, 661-2746 Wireless Mouse, 661-2747 Power Cord, 922-7139 IR Mounting Bracket, 922-7151 ODD Flex Cable Clip, 922-7156

Error Beeps

Check that the memory DIMMs are iMac G5 17-inch iSight compliant. iMac G5 17-inch iSight computers work with memory modules DIMMs that meet all of these criteria DDR2 SDRAM Double Data Rate 2, Synchronous Dynamic Random Access Memory 533 MHz, PC2-4200 compliant also referred to as DDR2 533 unbuffered and unregistered There is one RAM slot. The maximum amount of RAM you can install is 2.5 GB. You can use RAM module sizes of 512 MB, 1 GB, and 2 GB. DIMMs with any of the following features are...

Remove the Optical Drive

Apple Imac Motherboard Mounting

Disconnect the sensor cable from the temperature sensor on top of the optical drive. 2. Using a T10 torx screwdriver, remove the screw and flex cable mounting bracket. Disconnect the optical drive flex cable from the logic board connector. 3. Locate the release levers at each side of the black, plastic drive mounting bracket. Using a flat-blade screwdriver as shown. press down on the mounting bracket at the base of the release lever, while pinching the release lever toward the center of the...

Remove the LCD Display

Imac Isight Logic Board Diagram

Using the black stick, carefully peel back the black, EMI shielding tape from the left and right top edges of the display panel. 2. Disconnect the inverter cable from the connector on the logic board. 3. Using a Torx T6 screwdriver, remove the two TMDS connector mounting screws. Disconnect the TMDS cable from the logic board. Using a Torx T10 screwdriver, remove the four panel mounting screws. Using a Torx T10 screwdriver, remove the four panel mounting screws. Note If replacing a bad LCD...

Replace the Front Bezel

If necessary, replace the camera board. 2. Postion the front bezel near the top edge of the unit and connect the two camera board connectors. 3. Check and make sure no EMI tape interferes with the locking mechanisms when the bezel is installed onto the unit. The locking mechanisms must slide into a gap inside the top edge of the rear housing. 4. Potition the front bezel around the edges of the unit, push in the memory eject rings, and press the bezel onto the rear housing. Note When pressing...

Replace the LCD Display

If necessary, replace the TMDS cable on the rear of the display panel. 2. If necessary, connect the two inverter-to-display cable connectors and tape them to the back of the display panel. 3. If necessary, replace the right panel mounting bracket on the display panel with two screws. 4. If necessary, replace the left bracket on the display panel with two screws. 5. Push aside any cables that could interfere with the display mounting brackets when lowered into position. 6. Make sure the...

Imac G5 17 Inch Isignt No Power

Lyd Problem Imac

When pressing the power button to start up the computer, does LED 2 come on momentarily, or does LED 2 not come on at all Momentarily The logic board has detected 12V, but the power supply cannot maintain it. Replace the DC-DC board. Not at all The DC-DC board is unable to power up. Replace the DC-DC board. If replacing the DC-DC board doesn t correct the problem, replace the logic board.. Audible buzzing, whining, or ticking noise The iMac G5 iSight contains several mechanical devices such as...