Service Source iMac (Early 2006 17-inch) 13 April 2007 © 2006 Apple Computer, Inc. All rights reserved.
iMac (Early 2006 17-inch) Contents Take Apart General Information 6 What’s New? 6 Product View 7 Identifying the iMac (Early 2006 17-inch) Computer 7 What’s Different on this iMac? 8 Tools Required 8 Orientation 9 Serial Number Location 10 Safety 11 Opening the Computer 12 Access Tool Modification 12 EMI Shielding 15 Access Door 18 Memory 20 Front Bezel 23 Camera Board 32 Lower EMI Shield 38 IR Board 40 AirPort Extreme Card 43 Battery 46 LCD Display 49 LVDS Display Cable 54 Inverter 57 Speakers 61 B
Optical Drive 67 Hard Drive 74 DC-DC Board 80 Power Supply 83 Logic Board 87 CPU Fan 93 Optical Drive Fan 95 Hard Drive Fan 97 AC Line Filter 99 Ambient Light Sensor Board 103 Clutch 107 AirPort Antenna 112 Bluetooth Antenna 116 DC Power Cable Camera Cable 120 123 Chassis 127 Rear Housing 131 Troubleshooting General Information 133 Serial Number Location 133 Power On Self Test (POST) 133 DDR Memory 133 How to reset the System Management Controller (SMC) 134 Symptom Charts 136 Power Issues 1
IR Remote 154 IR Sensor/Receiver 155 Built-in iSight Camera 156 Speakers 158 Mouse 160 Keyboard 161 Error Beep(s) 162 USB 163 Views iMac (Early 2006 17-inch)—Upper Exploded View 167 iMac (Early 2006 17-inch)—Lower Exploded View 168 Screw Chart 169 Screw Chart (continued) 170 iv
Service Source Take Apart iMac (Early 2006 17-inch) © 2005 Apple Computer, Inc. All rights reserved.
General Information What’s New? 13 April 2007 • • The optical drive removal procedure has been updated. Using a screwdriver to release the optical drive tabs is causing damage to the logic board. The updated procedure shows how to remove the optical drive using a needlenose pliers. Additional information on handling slot-load optical drives can be referenced in Kbase article 305282. 15 January 2007 • The “No Power” symptom in Troubleshooting has been updated.
• putt or motorboating noise). Troubleshooting symptom added: No Video, No Boot Chime, White LED ON (Symptom 1) February 2006: Memory • The photographs have been updated in the memory chapter January 2006 • iMac (Early 2006 17-inch) computer product introduction Product View Identifying the iMac (Early 2006 17-inch) Computer In January 2006, a second generation iMac including a built-in iSight camera was introduced using an Intel processor.
What’s Different on this iMac? Logic board • • • Intel Core Processor 1.83 and 2.0 GHz No troubleshooting LEDs Battery is located on the top side of the logic board AirPort Extreme and Bluetooth • • Separate antennas Separate parts: AirPort Extreme and Bluetooth boards Memory • • SO-DIMM DDR2 667 MHz, memory slot Memory ejector levers are visibly different from the iMac G5 (iSight) models and should be used as shown in the Take Apart section.
• • • • • Phillips #2 screwdriver Torx T8 screwdriver (magnetized) Torx T6 screwdriver (magnetized) Torx T10 screwdriver (magnetized) Flat-blade screwdriver Orientation For most repairs, the unit should be placed screen-side up, with the bottom facing toward you. Most photos in this manual reflect that orientation. The DIMM slot is located beneath the front bezel and is more easily accessed with the unit face-down on a soft, clean cloth.
Serial Number Location iMac serial numbers are located on the bottom of the computer stand. Note: iMac computers using Intel processors will not have the G5 listed in the configuration (as shown below).
Safety Warning: When the iMac (Early 2006) is under power, be aware that the power supply contains high voltages that pose a potential hazard to your personal safety. Never work on or near the power supply with the unit powered on, and as a further precaution always make sure the unit is unplugged when working on it with the front bezel removed. WARNING: HIGH VOLTAGE Text or photographs marked by this symbol indicate that a potential hazard to your personal safety exists from a high voltage source.
Opening the Computer Apple authorized, desktop certified technicians only should ever remove the front bezel on the iMac (Early 2006). When the front bezel is removed, be sure to always ground yourself and follow ESD-safe repair practices Removing the front bezel requires using a special access card (part 922-7172) to release latches located inside the upper corners of the front bezel. Slightly bending the upper quarter of the access tool card will help engage the latch more securely.
2. Cut the EMI gasket to the edge of the access card. 3. Using packing tape, or something equivalent, fold the tape over the EMI gasket to attach the gasket to the card.
4. Bend the card at a slight angle at the top to make sure the card makes contact with each latch. 5. Refer to Removing the Front Bezel for the complete procedure.
EMI Shielding The iMac enclosure is wrapped in EMI shielding that is easily torn and damaged. To maintain a properly shielded unit, you must repair all accidental tears and cracks to the shielding by covering them with EMI tape. Order ������������������������������������������������������������ EMI tape, part number 922-4786 (a long, thin strip) or 9225026 (short, wide strips). Cover nicks, such as the those shown below, with EMI tape.
Pay particular attention to the EMI shielding inside the rear housing, shown below. The EMI shield is easily damaged when replacing the hard drive. 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.
iMac (Early 2006 17-inch) Take Apart — General Information 17
Access Door Tools • • • Phillips #2 screwdriver. ESD-safe workstation and mat Soft, clean towel or cloth Preliminary Steps Before you begin, lay the computer down so the panel is face down and the bottom is facing you.
Removing the Access Door 1. Raise the stand and use a Phillips #2 screwdriver to loosen the two captive screws that secure the memory access door. Remove the access door. Replacing the Access Door 1. Make sure the memory ejector tabs are in the closed position before attaching the access door. 2. Position the access door on the rear housing over the memory compartment. 3. Lift the stand out of the way. 4. Use a Phillips #2 screwdriver to tighten the captive screws.
Memory Tools • • • Phillips #2 screwdriver. ESD-safe workstation and mat Soft, clean towel or cloth Preliminary Steps Before you begin, lay the computer down so the panel is face down and the bottom is facing you.
Removing the Memory 1. After removing the access door, touch the metal frame around the memory compartment to discharge any static electricity from your body. Important: Always discharge static before you touch any parts such as the memory board. To avoid generating static electricity, do not walk around the room until you have finished replacing the memory. 2. Pull the two levers in the memory compartment toward you. If a memory module is installed in the slot, pulling the levers will dislodge it.
Replacing the Memory 1. Make sure the DIMM levers are all the way open. 2. With the computer face down, orient the DIMM with the notch on the left. 3. With your fingers, press the DIMM fully into the slot until you hear a click. After inserting the memory, fold the DIMM levers closed. There will be a slight resistance and you will hear a click when they fold into the closed position. 4. Replace the access door on the memory compartment. 5.
Front Bezel Tools This procedure requires the following tools: • Access card tool 922-7172 • Torx T8 screwdriver Preliminary Steps Before you begin, follow steps for removing the access door and the memory.
Removing the Front Bezel 1. With the bottom facing toward you use a T8 torx screwdriver to remove the four bezel mounting screws. 2. Stand the computer upright. 3. Located the access card tool. Bend the upper quarter of the access tool card slightly to engage the front bezel latches. 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 releases the latches on the inside of the front bezel. Refer to the next step for the procedure. 5. Start on the left side (looking from the back of the unit). As you insert the card to disengage the latch, squeeze the top of the bezel, that will help take pressure off of the latch and enable it to open easier. As the bezel releases, pull the bezel away from the rear housing.
6. Repeat step 5 to release the locking latch in the right corner. Again, pull the bezel away as the card releases the latch. 7. If the bezel won’t release, pull the bottom of the bezel out a bit and insert the access card again.
8. Repeat step 7 for the left side. 9. Once the access card has been removed, it is safe to open the bezel. Position the unit on an ESD mat, with the bottom facing toward you. Caution: Make sure the memory levers are closed and not protruding from the bezel when removing the bezel.
10. Lift the bottom of the front bezel straight up to remove it, and swing the bezel over onto its top edge so you can disconnect two cables attached to the top of the bezel.
11. Swing the bezel up so you can disconnect the two camera board cables Remove the any kapton tape and disconnect the camera and microphone cables from the camera board.. 12. If replacing a damaged front bezel, remove the camera board.
Replacing the Front Bezel 1. Position the front bezel near the top edge of the unit and connect the two camera board connectors. 2. Make sure the black EMI shielding along the top of the LCD panel is not in the way of the locking mechanisms when you lower the front bezel onto the computer. Use a black stick to press (re-stick) the EMI shielding along the top of the panel. 3. Tuck the cables neatly into the channel on the rear housing.
4. Make sure the memory ejector levers are in the closed position (as shown) before lowering the front bezel over the ejectors. 5. Continue to lower the font bezel down and press the top corners of the front bezel to connect the latches. Note: Check that the latches are connected by lifting the front bezel at each corner. 6. Replace the four bezel mounting screws along the bottom of the computer. 7. Replace the access door and tighten the two captive screws. 8.
Camera Board Tools The only tool required for this procedure is a T6 screwdriver. Preliminary Steps Before you begin, follow steps for removing the access door and front bezel.
Removing the Camera Board 1. The camera board and cables are visible as you lift the front bezel off the computer. 2. Disconnect the camera and microphone cables.
3. Using a T6 screwdriver, peel back the mylar and kapton tape as necessary and remove the two camera board mounting screws. Pull the camera board straight out of the lens aperture in the bezel to remove it.
Replacing the Camera Board 1. Carefully align and insert the camera lens until it is snug in the bezel aperture. 2. Install the camera board to the bezel with two mounting screws. 3. Replace the front bezel. 4. Replace the access door.
iMac (Early 2006 17-inch) Take Apart — Camera Board 36
iMac (Early 2006 17-inch) Take Apart — Camera Board 37
Lower EMI Shield Tools The only tool required for this procedure is a “black stick” (or other nonconductive nylon or plastic flat-blade tool).
Removing the Lower EMI Shield 1. Carefully peel the lower EMI shield off the bottom edge of the rear housing. Use a black stick to help peel back the shield. 2. If replacing a torn or damaged lower EMI shield, peel the lower EMI shield off the bottom edge of the display. Replacing the Lower EMI Shield 1. Position the lower EMI shield over the bottom of the unit so that the holes in the shield are properly aligned. 2.
IR Board Tools The only tool required for this procedure is a Torx T6 screwdriver (magnetized).
Removing the IR Board 1. Disconnect the IR cable from the IR board connector. 2. Using a Torx T6 screwdriver, remove the two IR board screws. Remove the IR board from its mounting bracket.
Replacing the IR Board 1. Install the IR board and two mounting screws onto its mounting bracket. 2. Connect the IR cable to the IR board connector. 3. Replace the lower EMI shield. 4. Replace the front bezel. 5. Replace the access door.
AirPort Extreme Card Tools The only tool required for this procedure is a Torx T6 screwdriver (magnetized).
Removing the AirPort Extreme Card 1. Disconnect the antenna cable from the AirPort Extreme card connector and remove the two T6 screws securing the card to the logic board. 2. The card will spring up when the screws are removed. Grab the card from the connector end, pull the card from its socket on the logic board.
Replacing the AirPort Extreme Card 1. Install the AirPort Extreme card into the socket. 2. Install the two mounting screws securing the card to the logic board. 3. Connect the AirPort antenna cable to the connector closest to the memory slot. 4. Replace the lower EMI shield. 5. Replace the front bezel. 6. Replace the access door.
Battery Tools The only tool required for this procedure is a black stick.
Removing the Battery 1. Pry the battery from the battery slot. Replacing the Battery 1. Slide the battery (with voltage information face up) under the battery clip. 2. Replace the lower EMI shield. 3. Replace the front bezel. 4. Replace the access door.
iMac (Early 2006 17-inch) Take Apart — Battery 48
LCD Display Tools Removing the LCD display requires using the following tools: • Torx T10 screwdriver • Torx T6 screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield Part Location iMac (Early 2006 17-inch) Take Apart — Display Panel-49
Removing the LCD Display 1. Using the black stick, or access tool, carefully peel back the EMI shielding from the left, right, and bottom edges of the computer 2. Using a Torx T6 screwdriver, remove the two LVDS cable connector screws. Disconnect the LVDS display cable from the logic board. To the right of the LVDS connector, disconnect the inverter cable from the logic board.
3. Peel the EMI tape away from each side of the panel. Using a Torx T10 screwdriver, remove the four panel mounting screws. 4. Pivot the panel up, as shown, then carefully peel the top edge of the panel away from the EMI shield.
Note: If replacing a bad LCD display, you will also need to remove the lower EMI shield (if still attached), the display panel mounting brackets, and the LVDS cable as follows. 5. If attached, peel the lower EMI shield off the bottom edge of the display panel. 6. Using a torx T10 screwdriver, remove two screws from the left side panel mounting bracket. 7. Using a torx T10 screwdriver, push the tape aside and remove the two mounting screws from the right side panel bracket as shown below. 8.
Replacing the LCD Display 1. Replace the LVDS cable on the rear of the display panel. 2. Connect the two inverter-to-display cable connectors and tape them to the back of the display panel. 3. Replace the right panel mounting bracket on the display panel with two screws. 4. Replace the left bracket on the display panel with two screws. Push aside any cables that could interfere with the display mounting brackets when lowered into position. 5.
LVDS Display Cable Tools Removing the LVDS cable requires using the following tools: • Torx T8 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display Part Location iMac (Early 2006 17-inch) Take Apart — LVDS Cable 54
Remove the LVDS Cable 1. Locate the LVDS cable on the back side of the display panel, and remove the pieces of tape that secure the cable to the panel. Also, carefully remove the tape securing the LVDS connector to the panel connector.
2. Pinch together the connector locking levers, and disconnect the LVDS cable connector. Replacing the LVDS Cable 1. Position the LVDS cable on the back of the display panel as shown in the Part Location photo above. 2. Connect the LVDS cable connector. When connected correctly the locking levers will secure the connector and it cannot be disconnected without depressing the levers. 3. Secure the LVDS cable to the panel with four strips of tape. 4. Replace the display panel. 5.
Inverter Tools Removing the inverter requires using a flat-blade screwdriver Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display Part Location iMac (Early 2006 17-inch) Take Apart — Inverter— 57
Removing the Inverter 1. Remove two pieces of tape that secure the inverter cables to the back of the display panel, and disconnect the inverter connectors where shown. 2. Using a flat-blade screwdriver as shown, pry up the inverter to remove it from inside the display panel mounting bracket.
Replacing the Inverter 1. 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. 2. Connect the inverter-to-display cables and tape them to the back of the display panel. . 3. Replace the display panel. 4. Replace the lower EMI shield. 5. Replace the front bezel. 6. Replace the access door.
iMac (Early 2006 17-inch) Take Apart — Inverter— 60
Speakers Tools Removing the speaker 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 • LCD Displayy Part Location iMac (Early 2006 17-inch) Take Apart — Speaker
Removing the Speakers 1. Using a T10 torx screwdriver, remove the 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. Lift the speakers straight up and disconnect the speaker cable under the right speaker.
Replacing the Speakers 1. Connect the speaker cable connector to the logic board. 2. Install the speakers and route the speaker wire above the heatsink and around the fan. 3. Secure the right speaker with the shorter of the two mounting screws. 4. Secure the left speaker with the longer of the two mounting screws. 5. Replace the display panel. 6. Replace the EMI shield. 7. Replace the front bezel. 8. Replace the access door.
Bluetooth Card Tools Removing the Bluetooth card requires using the following tools: • Torx T6 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Displayy • Speakers Part Location iMac (Early 2006 17-inch) Take Apart — Bluetooth Card
Remove the Bluetooth Card 1. Using a T6 torx screwdriver, remove the mounting screws from Bluetooth card and gently disconnect the Bluetooth antenna from the connector on the card. 2. Lift the Bluetooth card straight up and off the logic board connector. Replacing the Bluetooth Card 1. Connect the card to the logic board. 2. Attach the Bluetooth antenna to the Bluetooth card. 3. Replace the two T6 screws on the Bluetooth card. 4. Connect the speaker cable connector to the logic board, 5.
iMac (Early 2006 17-inch) Take Apart — Bluetooth Card
Optical Drive Tools Removing the optical drive requires using the following tools: • Torx T10 screwdriver (magnetized) • Torx T6 screwdriver (magnetized) • Needlenose pliers (with teeth) Preliminary Step Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display Part Location iMac (Early 2006 17-inch) Take Apart — Optical Drive 67
Removing the Optical Drive 1. Disconnect the sensor cable from the temperature sensor on the top of the optical drive. Use a T10 screwdriver to remove the screw on the flexible cable mounting clip. Disconnect the flexible cable.
2. Note: Make sure to use a needlenose pliers with teeth to remove the optical drive. The pliers must have a textured surface to properly grasp the optical drive release tabs. 3. Locate the black tabs at each side of the plastic optical drive mounting bracket. Starting at the release tab that is furthest from the logic board, grasp the tab with needlenose pliers, and flex the tab toward the optical drive flexible cable.
Caution: Never press down on or grasp the body (silver) of the optical drive when removing or installing it. Depressing the body of the optical drive could damage the mechanism. Grasp the optical drive by its mounting bracket only. 4. Warning: iMac main logic boards returned with physical damage such as scratches, fractures, or broken or missing components caused by improper servicing may be classified as customer abuse.
5. Lift the rear of the drive and pull the front bezel of the drive straight back and out of the access hole in the housing. 6. If replacing a bad optical drive, use a T6 torx screwdriver to remove two flex cable mounting screws. Disconnect and keep the flex cable for installation on the replacement drive. 7. If replacing a bad optical drive, remove the temperature sensor from the top of the drive. Discard the sensor—the replacement drive comes with a new sensor already installed.
Replacing the Optical Drive 1. 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 the optical drive could damage the mechanism. Grasp the optical drive by its mounting bracket only. 4. Connect the optical drive flex cable and secure it with the flex cable mounting clip and screw. 5. Replace the display panel. 6. Replace the lower EMI shield. 7.
Hard Drive Tools Removing the hard drive requires using the following tools: • Torx T8 screwdriver (magnetized) • Flat-blade screwdriver Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display Part Location iMac (Early 2006 17-inch) Take Apart — Hard Drive 74
Remove the Hard Drive 1. Disconnect the sensor cable from the temperature sensor on top of the hard drive. 2. Note: If you are replacing the hard drive, transfer the temperature sensor to the replacement hard drive. Use the double-stick tape enclosed with the replacement hard drive to attach the sensor. Continue on to the next step.
3. Position yourself at the top side of the unit closest to the hard drive mounting bracket. Grasp the mounting bracket as shown, and push in on the edge of the bracket until you feel it release. If the bracket doesn’t release, use a flat-blade screwdriver to pry up on the bottom of the mounting bracket to help release it. 4. Disconnect the hard drive power and data cables. Lift the hard drive out of the chassis.
5. Replacement Note: If you are replacing a bad hard drive, transfer the temperature sensor, mounting bracket, and mounting pins before returning the defective drive to Apple. 6. Using a T8 torx screwdriver, remove two screws and the mounting bracket from the drive. 7. Using a T8 torx screwdriver, remove two mounting pins from the other side of the drive.
8. Transfer the temperature sensor to the replacement drive if you haven’t done so already.
Replacing the Hard Drive 1. Install two mounting pins to the side of the hard drive. 2. Install the mounting bracket to the side of the hard drive with two screws. 3. Secure the temperature sensor to the top of the hard drive. 4. Connect the temperature sensor cable to the sensor. Make sure the other end of the sensor cable is connected to the logic board. 5. Connect the hard drive power and data cables. 6. Insert the hard drive pins into the grommets. Lower the drive into the rear housing 7.
DC-DC Board Tools Removing the dc-dc board requires using the following tools: • Torx T10 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display Part Location iMac (Early 2006 17-inch) Take Apart — DC-DC Board
Removing the DC-DC Board 1. Disconnect the power supply cable and the DC power cable from the DC-DC board. 2. Using a T10 torx screwdriver, remove the self-tapping screw from the top corner of the DCDC board and the black self-tapping screw below it. Lift the board straight up to remove it.
Replacing the DC-DC Board 1. Position the DC-DC board and install the long black self-tapping screw in the lower right corner, and the screw in the top right corner. 2. Connect the DC power cable and the power supply cable to connectors on the DC-DC board. 3. Replace the display panel. 4. Replace the lower EMI shield. 5. Replace the front bezel. 6. Replace the memory access door.
Power Supply Tools Removing the power supply requires using the following tools: • Torx T10 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display • Hard drive Part Location iMac (Early 2006 17-inch) Take Apart — Power Supply
About the Power Supply Warning: When the iMac is under power, be aware that the power supply contains high voltages that pose a potential hazard to your personal safety. Never work on or near the power supply with the unit powered on, and as a further precaution always make sure the unit is unplugged when working on it with the front bezel removed. WARNING: HIGH VOLTAGE Text or photographs marked by this symbol indicate that a potential hazard to your personal safety exists from a high voltage source.
Removing the Power Supply 1. 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 selftapping screws.
2. Disconnect the power supply cable in the top left corner of the photo). 3. Pull out the power supply-to-AC line filter cable from beneath the metal chassis. Disconnect the connectors. Replace the Power Supply 1. Position the power supply loosely in its mounting location. 2. Route the power supply end of the power supply-to-AC line filter cable beneath the chassis. Connect the two connectors. Tuck the cable beneath the chassis and away from the hard drive bay. 3. Connect the DC power cable. 4.
Logic Board Tools Removing the logic board 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 • LCD Display • IR Board • AirPort Extreme Card • Speakers • Bluetooth Card and Cable Part Location iMac (Early 2006 17-inch) Take Apart — Logic Board 87
Removing the Logic Board 1. Disconnect the cables (circled) and the optical flex cable from the logic board. 2. Using a T10 torx screwdriver, remove the screws from the logic board. Note the locations of the self-tapping and machine screws as you remove the screws.
3. Remove the optical drive. 4. With the stand facing you, lift the board and locate the black power connector on the underside of the board (on the right side) Refer to the next photo for a close up.
5. Disconnect the power supply cable and carefully lift the logic board out of the chassis.
Replacing the Logic Board 1. Connect the power supply cable to the connector on the bottom of the logic board. 2. Pull all cables up and away from the logic board bay and gently place down the logic board so that all screw holes are aligned with screw mounts in the chassis. Replacement Note: The logic board should rest on the screw mounts without any binding or bowing—if it doesn’t, adjust any cables that are interfering with the logic board. 3.
13. Replace the memory. 14. Replace the memory access door.
CPU Fan Tools No tools are required to remove the CPU fan.
Removing the CPU Fan 1. Disconnect the CPU fan cable from the logic board. 2. Remove the logic board. 3. Lift the CPU fan straight up to remove it from two mounting posts. Replacing the CPU Fan 1. Align the CPU fan with the two mounting posts in the rear housing, and push it straight down onto the posts. 2. Replace the logic board. 3. Connect the CPU fan cable to the logic board connector. 4. Replace the speakers. 5. Replace the display panel. 6. Replace the lower EMI shield. 7.
Optical Drive Fan Tools No tools are required to remove the optical drive fan.
Remove the Optical Drive Fan 1. Lift the optical drive fan straight up and off three mounting posts. Replace the Optical Drive Fan 1. Make sure the hard drive power cable and camera board cable are routed beneath the optical drive fan as shown above. Align and install the optical drive fan on three mounting posts. Push it down snug onto the posts. 2. Replace the logic board. 3. Replace the speakers. 4. Replace the display panel. 5. Replace the IR Board. 6. Replace the AirPort Extreme card. 7.
Hard Drive Fan Tools No tools are required to remove the hard drive fan.
Remove the Hard Drive Fan 1. Lift the hard drive fan straight up and off three mounting posts. Replacing the Hard Drive Fan 1. Align and install the hard drive fan on mounting posts. Push it down snug onto the posts. 2. Replace the logic board. 3. Replace the speakers. 4. Replace the IR Board. 5. Replace the AirPort Extreme card 6. Replace the Bluetooth card. 7. Replace the display panel. 8. Replace the lower EMI shield. 9. Replace the front bezel. 10. Replace the memory. 11.
AC Line Filter Tools Removing the AC power inlet requires using the following tools: • Torx T10 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display • IR Board • AirPort Extreme Card • Speakers • Bluetooth Card and Cable • Logic Board and Memory • Hard Drive Fan iMac (Early 2006 17-inch) Take Apart — AC Power Inlet 99
Part Location Removing the AC Line Filter 1. 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. Peel the EMI tape off the AC filter.
4. .Disconnect the power inlet-to-power supply cables and unlace the power inlet cable from beneath the chassis.
Replacing the AC Line Filter 1. Install the AC power inlet on the rear housing screw mounts with three self tapping screws. 2. Install the power inlet ground cable to the chassis with a machine screw. 3. Route the power inlet cable beneath the chassis as shown in the photo above, and connect it to the power supply. 4. Using EMI tape, securely tape the top and bottom edges of the AC power inlet to the rear housing. 5. Replace the hard drive fan. 6. Replace the logic board. 7.
Ambient Light Sensor Board Tools No tools are required to remove the ambient light sensor board.
Removing the Ambient Light Sensor Board 1. Remove the rubber bumper from between the chassis and the board. 2. With a black stick, pry the ambient light sensor board from the frame.
Replacing the Ambient Light Sensor Board 1. Press the sticky side of the ambient light sensor board to the bottom inside edge of the rear housing. 2. Install the rubber bumper between the back of the ALS board and the chassis. 3. Replace the logic board. 4. Replace the AirPort and Bluetooth boards. 5. Replace the speakers. 6. Replace the display panel. 7. Replace the IR Board. 8. Replace the lower EMI shield. 9. Replace the front bezel. 10. Replace the memory. 11.
iMac (Early 2006 17-inch) Take Apart — ALS Board 106
Clutch Tools Removing the clutch requires using the following tools: • Torx T10 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display • IR Board • AirPort Extreme Card • Speakers • Bluetooth Card and Cable • Logic Board • Hard drive fan • Hard drive iMac (Early 2006 17-inch) Take Apart — Clutch 107
Part Location iMac (Early 2006 17-inch) Take Apart — Clutch 108
Removing the Clutch 1. Carefully peel the EMI tape (located in the middle of this photo) up and off the metal EMI cover. Next, remove the EMI metal cover. 2. Using a T10 torx screwdriver, remove the four clutch mounting screws.
3. Stand up the unit and remove 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.
Replace the Clutch 1. 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. 4. Replace the hard drive. 5. Replace the hard drive fan. 6. Replace the optical drive fan.
AirPort Antenna Tools Removing the wireless antenna requires using the following tools: • Flat-blade screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD Display • IR Board • AirPort Extreme Card • Speakers • Bluetooth Card and Cable • DC-DC power supply • Logic board • CPU fan iMac (Early 2006 17-inch) Take Apart — AirPort Antenna 112
Part Location Removing the AirPort Antenna 1. Carefully peel back the EMI tape (off the chassis) and the EMI backing from the top left inside corner of the rear housing as shown below. Peel back just enough EMI backing to access the antenna board. Using a flat-blade screwdriver, pry the antenna off the rear housing.
2. Remove two pieces of tape that secure the antenna cable to the rear housing (near the power on LED, in the bottom left corner). Pull the antenna cable through the access hole in the EMI shield at the top, near the antenna board.
Replacing the AirPort Extreme Antenna 1. Locate the antenna mounting channel inside the left corner of the rear housing, and position the antenna in the channel. Compress the sticky side of the antenna to the housing until securely fastened. 2. Route the antenna cable through the EMI shield and on top of the EMI. 3. Secure the extra length of antenna cable to the housing with two pieces of tape. 4. Replace the CPU fan. 5. Replace the logic board. 6. Replace the DC-DC board. 7.
Bluetooth Antenna Tools Removing the wireless antenna requires using the following tools: • Flat-blade screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • Disconnect the IR Board • Disconnect the AirPort Extreme Card • Disconnect the Bluetooth card • LCD Display • Speakers • Optical Drive • Logic board • CPU fan iMac (Early 2006 17-inch) Take Apart —
Part Location iMac (Early 2006 17-inch) Take Apart — Bluetooth Antenna 117
Removing the Bluetooth Antenna 1. Carefully peel back the EMI shield from the top right inside corner of the rear housing as shown below. Remove the piece of EMI tape securing the antenna to the chassis (#1). Peel back just enough EMI backing to access the antenna cable (#2). 2. Using a flat-blade screwdriver, pry the antenna off the rear housing. 3.
Replace the Wireless Antenna 1. Locate the antenna mounting channel inside the top right corner of the rear housing, and position the antenna in the channel. Compress the sticky side of the antenna to the housing until securely fastened. 2. Route the antenna cable and insert the connector end of the cable through the access hole in the EMI skirt. 3. Secure the antenna cable at the top with EMI tape. 4. Carefully replace the EMI shield at the top.
DC Power Cable Tools No tools are required to remove the DC power cable.
Part Location Removing the DC Power Cable 1. Remove tape that secures the DC power cable to the rear housing, and remove the DC power cable.
Replace the DC Power Cable 1. Route the DC power cable as shown above. Tape the DC power cable and the camera cable to the rear housing where shown below. 2. Replace the hard drive. 3. Replace the optical drive. 4. Replace the optical drive fan. 5. Replace the logic board. 6. Replace the speakers. 7. Replace the display panel. 8. Replace the IR Board. 9. Replace the lower EMI shield. 10. Replace the front bezel. 11. Replace the memory access door.
Camera Cable Tools No tools are required to remove the camera cable.
Removing the Camera Cable 1. Remove tape that secures the camera cable to the rear housing. Remove the two-headed end of the cable from the access hole in the upper EMI shield, and remove the camera cable.
Replacing the Camera Cable 1. Insert the two-headed end of the camera cable through the access hole in the upper EMI shield. 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. 4. Replace the hard drive. 5. Replace the optical drive. 6. Replace the optical drive fan. 7. Replace the logic board. 8. Replace the speakers. 9. Replace the display panel. 10. Replace the IR Board. 11. Replace the lower EMI shield. 12. Replace the front bezel. 13. Replace the memory access door.
Chassis Tools Removing the chassis requires using the following tools: • Torx T10 screwdriver (magnetized) Preliminary Steps Before you begin, follow steps for removing the following: • Access door • Front bezel • Lower EMI shield • LCD display • Speakers • Optical drive • Hard drive • Optical drive fan • Logic board • Hard drive fan • CPU fan • DC-DC board • DC-DC power cable • Power supply • AC line filter • Clutch iMac (Early 2006 17-inch) Take Apart — Chassis 127
Part Location Removing the Chassis 1. Remove the foam cushion from the chassis.
2. Using a T10 torx screwdriver, remove self-tapping screws from the chassis, and remove the chassis from the rear housing. Replacing the Chassis 1. Position the chassis on the rear housing as shown and install the self-tapping mounting screws. 2. Replace the foam cushion on the chassis where shown in the photo above. 3. Replace the clutch mechanism. 4. Replace the AC power filter. 5. Replace the power supply. 6. Replace the DC-DC board. 7. Replace the DC-DC cable. 8.
14. Replace the display panel. 15. Replace the IR Board. 16. Replace the lower EMI shield. 17. Replace the front bezel. 18. Replace the memory access door.
Rear Housing Tools No tools are required to remove the rear housing in addition to those referenced below.) Remove and Replace the Rear Housing To remove the rear housing, follow steps for removing the parts below. Reverse these steps to replace the rear housing.
Service Source Troubleshooting iMac( Early 2006 17-inch) © 2006 Apple Computer, Inc. All rights reserved.
General Information Serial Number Location iMac (Early 2006) serial numbers are located on the bottom of the computer stand. Power On Self Test (POST) Intel-based Macs such as the iMac (Early 2006) rely on a combination of tones and blinking LEDs to display Power On Self Test (POST) error codes. If the computer detects out-of-specification memory or no RAM installed, the screen will be black and the power LED on the front of the computer will blink once a second to indicate bad or no RAM.
• • • • - PLLs - ECC - parity - EDO RAM How to reset the System Management Controller (SMC) The System Management Controller (SMC) is a chip on the logic board that controls all power functions for your computer. If your computer is experiencing any power issue, resetting the SMC may resolve it. The SMC controls several functions, including: • Telling the computer when to turn on, turn off, sleep, wake, idle, and so forth. • Handling system resets from various commands. • Controlling the fans.
iMac (Early 2006 17-inch) Troubleshooting — General Info 135
Symptom Charts How to Use the Symptom Charts 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.
Power Issues No Power. The iMac (Early 2006) will not turn on. The display remains black and there are no sounds from the fans or drives. 1. Verify the power outlet is good. Plug a different device into the socket to ensure there is power, or plug the iMac into another outlet. Does the iMac power on now? Yes. Resolved. Bad outlet. No: Go on to the next step. 2. Check the power cord. Use a known good power cord. Does the iMac power on now? Yes: Your power cord has failed. Replace the AC power cord.
7. At this point in the Power On process, you should hear a boot chime and see the front LED on the computer light up. When the main logic board and LCD panel communicate to deliver video, the front LED should go out. Does the Front LED go off? Yes: The LCD and main logic board have communicated. If there is no picture on the display, follow No Video troubleshooting. No: Your logic board is not communicating with LCD panel. Open the unit and re-seat the TMDS cable and test again.
No Video No Video, No Boot Chime, White LED ON (Symptom 1) The iMac (Early 2006) will turn on (indicated by the front LED ON), but there is NO boot chime and No Video on the display. The faint sound of the fans, hard drive, and optical drive may also be heard. 1. Reset the SMC (Formerly SMU). - Turn off the computer by choosing Shut Down from the Apple menu, or by holding the power button until the computer turns off. - Unplug all cables from the computer, including the power cord. - Wait 15 seconds.
- - - should hear the fans go quiet. While the computer is off, with your left hand, hold down the Apple key, the Option key next to it, and the letter “R” key on the keyboard. When you have these keys all pressed down, push the power button with your right hand and then quickly move that hand to hold down the letter “P” on the keyboard. Keep these four keys pressed while the computer starts up. Make sure you hold down the four keys (P - R - Apple - Option) while the computer is starting up.
Yes: Replace the original SDRAM and test again. If the front LED does not go off with the only the original SDRAM installed, replace the SDRAM. If the LED is now reliably going off after a few moments, but yet you still do not have any video, go to step 8. No: If the LED remained on, the main logic board is not communicating with the LCD panel to generate video. Replace the main logic board. 7. With the LED going off, you may have a No Backlight condition or an LCD failure.
Display When displaying a single color over the screen area, the LCD panel shows one or more pixels that are not properly lit Active-matrix LCD technology uses rows and columns of addressable locations (pixels) that render text and images on screen. Each pixel location has three separate subpixels (red, green, and blue) that allow the image to be rendered in full color. Each subpixel has a corresponding transistor responsible for turning the subpixel on or off.
Hard Drive Flashing question mark, or an alternating question mark and Mac OS (face or a folder) Note: When troubleshooting hard drive problems it is a good idea, if possible, to back up any important data. Some troubleshooting steps may require erasing the contents of the hard drive. 1. Boot from the system CD that came with the computer, and open Disk Utility. Does the hard drive show in Disk Utility? Yes: Run Repair Disk and Repair Permissions to correct any directory and permissions issues.
System hangs during normal startup process 1. Boot from the system CD that came with the computer and see if the hard drive mounts on the desktop. 2. Using Drive Setup, reinstall the system software drivers for the hard drive. 3. Using Drive Setup, reinitiation the hard drive. 4. Check all cable connections to and from the hard drive. 5. Replace the hard drive data cable. 6. Replace the hard drive. 7. Replace the logic board.
Optical Drive CDs or DVDs don’t show up on the Desktop. 1. Select Preferences from the Finder menu and make sure the option to show CDs, DVDs and iPods is checked: in the General window as shown below.
2. Select System Preferences from the Apple menu and open the CDs & DVDs preferences window. Make sure that audio CDs are set to launch iTunes and movie DVDs set to launch DVD Player when those media are inserted, as shown below. 3. Check that the drive can read discs normally. Insert an audio CD and check whether it shows up on your desktop or launches iTunes. Does the audio CD mount on the desktop or in iTunes? Yes: The drive seems to read CD discs okay. Go on to Step 4.
The computer won’t burn discs. 1. Check whether the drive can read CDs and DVDs normally. Perform the steps above for “CDs or DVDs don’t show up on the Desktop.” 2. Try a test burn by creating a Burn Folder, as follows. • In the Finder, choose “New Burn Folder” from the File menu. • Open the Burn Folder, drag an item inside for testing, and click “Burn” in the upper right corner of the window. • When prompted, insert a blank disc and follow the dialog instructions.
No: Replace the optical drive. Does it burn correctly now? Yes: Problem solved. No: Replace the logic board. Discs won’t insert. 1. Is there a disc already in the drive? Yes: Eject the disc before inserting another. Refer to Knowledge Base article 106752, “Macintosh: How to Eject a Disc When Other Options Do Not Work”. If none of these options will eject the disc, you may have to disassemble the drive to recover the disc.
Optical disc constantly ejects 1. Disconnect all peripheral devices, especially the mouse in cases where the disc is constantly ejecting. Retest. If the issue is resolved, reconnect peripherals one-at-a-time until faulty peripheral is identified. 2. Try cleaning the disc. If the disc is dirty or scratched, it may not mount. Is the issue resolved? Yes: Problem solved. No: Try a different disc. If the issue persists, go on to the next step. 3.
Fan Sound Fans running at full speed after the computer turns on The customer may have entered a diagnostic mode that causes the fans to run at full speed.* Restarting the system will not restore normal fan operation. To solve the problem, the user or technician should do the following: 1. Shut down the system. 2. Disconnect the power cord and wait 15 seconds. 3. Reconnect the power cord and wait 5 seconds. 4. Power on the system.
The sound is always present: The normal functioning of the hard drive and optical drive will generate additional whirring and scratching noises that may be audible. Check whether this sound is related to one of the components. Go to step 4. The sound varies: Under normal conditions rotating blowers will make a slight hum that varies in relationship with their rotational speed and the amount of air that they are moving. Let’s see if this is indeed the case. Go to Next Step. 3.
article 152349, “Replacing a disk before it fails.” 5. Shut down the computer, remove the power cord and any other connected cables, and remove the access door, front bezel, and EMI shield. Stand up the computer, plug it in, and start it up by pressing the external power button. As the machine starts up, listen carefully to each of the three fans, and see if you can locate the fan from which the objectionable ticking, whistling, or squealing sound is coming.
AirPort Not able to connect wirelessly with AirPort 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 Network 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 card installed. Go to step. 5 No: The iMac recognizes that it has an AirPort card installed. Go to step 6.
IR Remote Remote won’t communicate with system applications such as iTunes or iPhoto, or with the optical drive. Make sure of the following when using the Apple Remote: • You are within 30 feet of the front of the computer. • You have an unobstructed line-of-sight to the front of the computer. • You are pointing the lens end of the Apple Remote directly at the front of the computer. • The computer is powered on and awake.
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. No: Go to the next step. 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.
Built-in iSight Camera The built-in camera is not recognized. 1. Boot the iMac (Early 2006) 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.
iChat AV connection doctor feature to verify that there is sufficient bandwidth to have a video iChat session without a significant degradation of image quality. No: The camera may not be functioning normally. Replace the camera board in the front bezel and retest. Camera recognized but no audio 1. Open the System Preferences window and click on Sound. 2. Verify that the built in iSight camera has been selected as the device for sound input. 3.
Speakers Can’t hear sound from the speakers. 1. Disconnect any external microphones, speakers, or headphones. 2. Access System Preferences and select Sound. In the Sound pane, select Output and make sure the Internal speakers are selected as the device for sound output, the Output volume is adequate, and Mute is not selected. Do you have sound now? Yes: Problem resolved. No: Go to the next step. 3. Reset parameter RAM. Press Command-Option-P-R during startup but before “Welcome to Macintosh” appears.
I hear sound out of only one speaker. 1. Are there any external microphones, speakers or headphones plugged into the iMac? Yes: Disconnect any external microphones, speakers, or headphones. Do you hear audio from both of the built in speakers on your iMac? Yes: Good. It looks like the built-in speakers are working properly. This may be an issue with the microphone, speakers or headphones that were plugged into your iMac. Please work with the manufacturer to troubleshoot this issue. No: Go to step 2.
Mouse My mouse doesn’t work at all. 1. Turn over the mouse and check the if the red LED on the underside of the mouse. Is the LED lit? Yes: The mouse has power. Try using the mouse on another surface. Non-reflective, opaque surfaces without repetitive patterns work best. The surface should be clean, but not shiny. Optical mice won’t work on glass, mirrored surfaces, glossy materials or mouse pads with pictures. No: There is no power to the mouse.
Keyboard Certain keys or none of the keys on the keyboard function. 1. Unplug all devices from your computer, including your mouse and keyboard as well as printer, scanner, external hard drives, and hubs. (Warning: Some devices may require you to perform steps before it is safe to unplug them, e.g, external storage devices.) Be sure to unplug your hub, if you have one. 2. Plug your keyboard into the back of your computer firmly and securely.
Yes: Problem solved. No: Replace the keyboard. The USB port on my keyboard doesn’t work. 1. Unplug all devises from your keyboard. 2. Plug your Apple mouse into the left USB port on your keyboard. Does your mouse work when it’s plugged into this port? Yes: Now plug the mouse into the right port. Does it work? Yes: Try a known good keyboard. No: Try a known good mouse to rule out the mouse. Then go to step 3. No: Try a different mouse or keyboard. 3.
USB A USB device doesn’t work 1. Please unplug all of your USB devices from your iMac except your Apple Keyboard and Apple mouse. 2. Now plug your device directly into the back of your iMac. Does it work as expected now? Yes: Your device works when plugged directly into the computer. This indicates a conflict with one of the other USB devices. You can test by gradually adding your devices back and seeing where the issue occurs, then contacting the manufacturer of the device(s)) for assistance.
iMac (Early 2006 17-inch) Troubleshooting — Symptom Charts 164
iMac (Early 2006 17-inch) Troubleshooting — Symptom Charts 165
Service Source Contents Views iMac (Early 2006 17-inch) © 2006 Apple Computer, Inc. All rights reserved.
iMac (Early 2006 17-inch)—Upper Exploded View Camera Board 661-3893 Front Bezel 922-7243 Access Door 922-7246 Lower EMI Shield 922-7150 Left Bracket 922-7078 Inverter 661-3841 Right Bracket 922-7077 LCD Display, LVDS 661-3879 LVDS Cable 922-7239 Hard Drive Fan 922-7063 Optical Drive Fan 922-7062 Speakers 922-7057 Hard Drive Data Cable 922-7058 AirPort 661-3874 Bluetooth Card 922-6784 Logic Board 661-3877 IR Board 922-7148 CPU Fan 922-7064 IR Mounting Bracket 922-7151 iMac (Early 2006 17-inch) — V
iMac (Early 2006 17-inch)—Lower Exploded View HD Temp Sensor Cable 922-7059 (shorter) ODD Temp Sensor Cable 922-7060 (longer) DC-DC Board 661-3878 Power Supply 661-3780 HD Mounting Bracket 922-7072 Hard Drive 661-3848 160 GB, 7200, SATA 661-3849 250 GB, 7200, SATA 661-3850 500 GB, 7200, SATA Antenna, Wireless 922-7241 Camera Cable 922-7149 Clutch Cover 922-7080 Clutch 922-7074 Chassis 922-7247 Temp Sensor, Optical 922-7282 Temp Sensor, Hard Drive 922-7242 Optical Flex Cable 922-7154 SuperDrive, 8x 661-3852
Screw Chart 922-6800 T10 - LCD clips to front bezel 922-6850 T10 - Chassis to rear cover - Rear shield to rear cover 922-6842 T10 - DC board to rear cover - Logic board to chassis - Support channel to rear cover 922-7010 T6 - IR board to IR bracket, TMDS cable to standoff of MLB, AirPort card to MLB 922-7157 T10 DC board to rear cover, black 922-7012 T10 Stand to interconnect iMac (Early 2006 17-inch) Views 169
Screw Chart (continued) 922-7001 head T8, round Hard drive pins (2) 922-7069 T10 A/C to chassis 922-7067 T10 922-7158 T10 922-7023 T10 LCD bracket to 17-ich LCD LCD assembly to rear cover) 922-7066 922-6842 T10 T10 DC board to rear cover DC board to rear cover 922-7068 922-7018 T10 T8 Left speaker, 17-inch Right speaker, 17-inch Optical bezel to optical drive 922-7011 922-7019 922-7020 T8 Front bezel to bottom frame T8 Hard drive clip to hard drive T10 Bracket mechanism to c
922-7159 T10 Power supply to chassis iMac (Early 2006 17-inch) Views 171
