Apple iMac (Slot Loading) Specifikace

Service Source K iMac, iMac DV, iMac DVSpecial Edition

Basics Features - 7 Memory • 64 MB SDRAM (good/better), 128 MB SDRAM (best) of PC-100 SDRAM (168-pin, running at 100 MHz• two DIMM slots support up

Take Apart AirPort Card - 18 4. Remove the ground clip from the AirPort Adapter Card.5. Using the pull tab, separate the AirPort Card from the adap

Take Apart CD/HD Carrier - 19 CD/HD Carrier Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft su

Take Apart CD/HD Carrier - 20 1. Remove the four screws (two on each side) connecting the CD/HD drive carrier to the divider panel (the metal chassi

Take Apart CD/HD Carrier - 21 2. Disconnect the following cables fro the back of the CD/HD carrier:• hard drive power cable• hard drive data cable •

Take Apart CD/HD Carrier - 22 3. Tilt the CD/HD carrier forward and lift the carrier out of the computer. Note: Continue with the Take Apart proce

Take Apart CD-ROM / DVD-ROM - 23 CD-ROM / DVD-ROM Note: The procedures for removing a CD-ROM or DVD-ROM are identical. This procedure will referen

Take Apart CD-ROM / DVD-ROM - 24 1. Using a Phillips screwdriver, remove the CD/HD carrier mounting screws (two on each side).

Take Apart CD-ROM / DVD-ROM - 25 2. Carefully turn the CD/HD drive carrier over. 3. Holding onto the CD-ROM from the rear, lift the CD-ROM carrier o

Take Apart CD-ROM / DVD-ROM - 26 4. Using a jeweler’s screwdriver, remove the four screws (two on each side) on the CD/DVD carrier.5. Lift the CD-RO

Take Apart CD-ROM / DVD-ROM - 27 6. On the back of the CD-ROM, use a jeweler’s screwdriver to remove the two screws on the adapter board.7. Remove t

Basics Features - 8 Graphics Support • ATI RAGE 128 VR 4x 2D and 3D acceleration• 8 MB video SGRAM, which supports 3D features and millions of co

Take Apart CD-ROM / DVD-ROM - 28 Manual Eject Button The CD/DVD eject mechanism is electrical rather than mechanical on the iMac. If you wish to ej

Take Apart CD-ROM / DVD-ROM - 29 paper clip. The button is located on the right side of the CD slot. Note that the power must be on to eject a CD us

Take Apart CD-ROM / DVD-ROM - 30 CD-ROM or DVD-ROM Module Replacement Position the CD-ROM or DVD-ROM into its carrier as shown. 1. Check that the ye

Take Apart CD-ROM / DVD-ROM - 31 2. Lower the CD/DVD carrier into the CD/HD carrier. 3. Push the CD/DVD carrier forward so the carrier tabs go thro

Take Apart CD-ROM / DVD-ROM - 32 5. As a final check, this is a front view of the CD-ROM or DVD-ROM correctly installed into the CD/HD carrier.

Take Apart CD/DVD Adapter Board - 33 CD/DVD Adapter Board Before you begin, position the computer upside down, resting the computer on an ESD mat or

Take Apart CD/DVD Adapter Board - 34 1. Using a jeweler’s screwdriver, remove the two screws on the CD/DVD adapter board.2. Remove the adapter board

Take Apart Hard Drive - 35 Hard Drive Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface

Take Apart Hard Drive - 36 1. Using a #1 Phillips screwdriver, remove the four hard drive mounting screws. Note: Support the hard drive with one h

Take Apart Hard Drive - 37 2. Remove the hard drive from the CD/HD carrier. Note: Return the drives without the cables or carriers. Exchange Apple

Basics Features - 9 I/O • one 10/100 Mbps Ethernet RJ-45 connector for connection to either a 10Base-T or 100Base-TX hub networks• two external USB

Take Apart Hard Drive - 38 Hard Drive Replacement When installing the hard drive into the CD/HD carrier, make sure the hard drive is component side

Take Apart Logic Board - 39 Logic Board Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft surfac

Take Apart Logic Board - 40 Note: Remove SDRAM to make cable removal easier.1. On the back of the CD/HD carrier,disconnect the:• hard drive power

Take Apart Logic Board - 41 3. Remove the five screws on the logic board and five screws on the down converter board. Note: The two screws locat

Take Apart Logic Board - 42 4. Gently lift the down converter board and logic board out of the computer.

Take Apart Logic Board - 43 5. Using a flatblade screwdriver, pry the plastic rivet off the board. Put the top half of the rivet back into the bot

Take Apart Logic Board - 44 6. Holding onto the down converter, press down on the black connector to separate the down converter board from the logi

Take Apart Logic Board - 45 Identifying 350 MHz Logic Boards (661-2210) There are two 350 MHz logic boards in service stock under the part number 66

Take Apart Logic Board - 46 Identifying the Version 2, 350 MHz Logic Board The Version 2 board and the more recent 661-2210 logic board (without th

Take Apart Logic Board - 47 The Version 2 board (661-2317) will have a revision number of -09 or -0A on the VLSI chip (as shown). Refer to the Parts

Basics Features - 10 iMac Models Comparison CPU Speed • Original iMac: 233 MHz• Rev-B iMac: 233 MHz• 5-color iMacs: 266 MHz or 333 MHz• iMac, iM

Take Apart Logic Board - 48 Identifying the 400 MHz Logic Boards There is a new version of the 400 MHz logic board for the iMac DV and iMac Special

Take Apart Down Converter Board - 49 Down Converter Board Before you begin, position the computer upside down, resting the computer on an ESD mat or

Take Apart Down Converter Board - 50 Note: Remove SDRAM to make cable removal easier.1. On the back of the CD/HD carrier, disconnect the:• hard dr

Take Apart Down Converter Board - 51 3. Remove the five screws on the logic board and five screws on the down converter board. Note: The two down

Take Apart Down Converter Board - 52 4. Lift the boards out of the computer.

Take Apart Down Converter Board - 53 5. Using a flatblade screwdriver, pry the rivet off the logic board.Put the top half of the rivet back into the

Service Source K Adjustments iMac, iMac DV, iMac DV SpecialEdition

Adjustments Adjustment Tools - 1 Adjustment Tools The following items are needed to perform video adjustments on the slot-loading iMacs:• Display Ad

Adjustments Adjustment Tools - 2 Light Meter Setup This topic covers setup for light meter Model R77, service part number 076-0310. Note: The adj

Adjustments Adjustment Tools - 3 Model R77 Before you begin, remove the 10X multiplier plate from the lens. Three scales are shown on the light mete

Basics Features - 11 System Bus Speed • Original iMac: 66 MHz• Rev-B iMac:66 MHz• 5-color iMacs: 66 MHz• iMac, iMac DV, iMac DV Special Edition: 1

Adjustments Adjustment Tools - 4 To measure a display screen’s luminance,1. Set the scale switch to the bottom position (to set up the 10-50 fc scal

Adjustments Adjustment Tools - 5 If you suspect the light meter is giving false readings, verify the readings with a known-good light meter or photo

Adjustments Adjustment Tools - 6 Jumper Adjustment Tool The jumper adjustment tool (922-4165) must be installed to save cutoff and white balance adj

Adjustments Adjustment Tools - 7 ± Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review C

Adjustments Adjustment Tools - 8 2. With the power off, remove the left ground cable from the video board.

Adjustments Adjustment Tools - 9 3. Connect one end of the jumper adjustment tool (922-4165) to the video board pin.4. Connect the other end to one

Adjustments Focus Adjustment - 10 Focus Adjustment ± Warning: This product contains high voltage and a high-vacuum picture tube. To prevent seriou

Adjustments Focus Adjustment - 11 2. Power on the iMac.3. Open the Display Adjustment Utility and select the Focus test pattern from the Pattern men

Adjustments Focus Adjustment - 12 4. Adjust the focus control on the flyback transformer until the focus test pattern reaches the best front-of-scre

Adjustments Screen Voltage Setup - 13 Screen Voltage Setup ± Warning: This product contains high voltage and a high-vacuum picture tube. To preven

Basics Features - 12 Graphics Controller Chip • Original iMac: ATI RAGE IIc• Rev-B iMac: ATI RAGE Pro• 5-color iMacs: ATI RAGE Pro Turbo• iMac, iMac

Adjustments Screen Voltage Setup - 14 1. Remove the bottom housing and the top rear housing to access the flyback transformer that contains the scre

Adjustments Screen Voltage Setup - 15 2. With the power off, remove the left ground cable from the video board.

Adjustments Screen Voltage Setup - 16 3. Connect the jumper adjustment tool (922-4165) to the video board pin. Refer to the “Jumper Adjustment Tool”

Adjustments Screen Voltage Setup - 17 5. Open the Display Adjustment Utility and select the Color tab.6. Set the Contrast to maximum and the Brightn

Adjustments Screen Voltage Setup - 18 8. Select the Gray Bars test pattern from the Pattern menu.

Adjustments Screen Voltage Setup - 19 9. Looking at the Gray Bar test pattern, turn the screen voltage knob on the flyback transformer until:• the

Adjustments Cutoff Adjustment - 20 Cutoff Adjustment ± Warning: This product contains high voltage and a high-vacuum picture tube. To prevent seri

Adjustments Cutoff Adjustment - 21 Set the Screen Voltage if you haven’t done so already. Refer to “Screen Voltage Setup” mentioned earlier in this

Adjustments Cutoff Adjustment - 22 3. Connect the jumper adjustment tool (see graphic). Refer to “Jumper Adjustment Tool” mentioned earlier in this

Adjustments Cutoff Adjustment - 23 5. Open the Display Adjustment Utility and select the Color tab.6. Set the drive and cutoff controls to their mid

Basics Features - 13 Hard Disk Drive • Original iMac: 4 GB• Rev-B iMac: 4 GB• 5-color iMacs: 6 GB• iMac, iMac DV, iMac DV Special Edition: 6 GB (iMa

Adjustments Cutoff Adjustment - 24 used if all the color drive controls are set to zero, and the screen is completely black. The Command-R function

Adjustments Cutoff Adjustment - 25 7. Select the Gray Bars test pattern from the Pattern menu.

Adjustments Cutoff Adjustment - 26 Note: This procedure should be performed in a dimly lit room.8. Look at the Gray Bar Test pattern. • The bars s

Adjustments Cutoff Adjustment - 27 9. Select the Color tab window. 10. Adjust the red, green, and blue cutoff controls until the second bar (from

Adjustments Cutoff Adjustment - 28 11.If there is a predominant color in the three bars on the left, continue adjusting the color controls according

Adjustments Cutoff Adjustment - 29 12. Click the Save button to save your adjustments.13. Proceed to the white balance adjustment.

Adjustments White Balance - 30 White Balance Before you begin, make sure the:• cutoff is set correctly • monitor has been on for at least 10 minutes

Adjustments White Balance - 31 1. Open the Display Service Utility and select the Gray Bars test pattern from the Pattern menu.

Adjustments White Balance - 32 2. Adjust the red, green, and blue drive controls until there is no predominant color.

Adjustments White Balance - 33 3. Select “White” from the Pattern menu to display the all-white test pattern. 4. Hold the light meter against the ce

Basics Features - 14 Data Ports • Original iMac: USB• Rev-B iMac: USB• 5-color iMacs: USB• iMac, iMac DV, iMac DV Special Edition: USB; optional Fir

Adjustments White Balance - 34 5. Click the Save button to save your settings.6. Restart the computer and reset the parameter RAM (PRAM) to apply th

Adjustments White Balance - 35 Note: If you don’t restart the computer, the iMac will display the last settings made on the iMac. 7. Open the Moni

Adjustments White Balance - 36 9. Click the Factory Settings button.

Adjustments Geometry Adjustments - 37 Geometry Adjust-ments Before you begin, connect the jumper adjustment tool to the video board (refer to the “J

Adjustments Geometry Adjustments - 38 1. Open the Display Adjustment Utility.2. Select the Geometry tab.

Adjustments Geometry Adjustments - 39 3. Select a resolution for adjustment from the Resolution menu. Note: Don’t use the control strip or Monitor

Adjustments Geometry Adjustments - 40 4. Adjust the geometry settings by moving the appropriate slider bar.5. Click the Save button to save the adju

Adjustments Geometry Adjustments - 41 7. To reset the PRAM, hold down the <Command><Option><P> and <R> keys after Restart is

Adjustments Geometry Adjustments - 42 10. Click on the Factory Settings button in the Geometry window. 11. Close the Monitor control panel. Note:

Adjustments S Correction Adjustment - 43 S Correction Adjustment 1. Open the Display Adjustment Utility and select “White Grid” from the Pattern men

Basics Views - 15 Views Front, Side, and Rear View

Adjustments S Correction Adjustment - 44 3. Open the Display Adjustment Utility, and select the Geometry tab.4. If the squares need adjusting, move

Adjustments S Correction Adjustment - 45 6. When all the squares look uniform on the S Correction test pattern, go back to the Geometry tab window a

Adjustments S Correction Adjustment - 46 Note: If you don’t restart the computer, the iMac will display the last settings made on the iMac. 8. Ope

Adjustments S Correction Adjustment - 47 10. Click on the Factory Settings button in the Geometry window. Note: Before returning the iMac to the c

Adjustments Sticking Power Button - 48 Sticking Power Button Apple has found that the largest contributor to a stuck power button is an improperly

Adjustments Sticking Power Button - 49 from either the front power button or the keyboard• Intermittent shut down or sleep: the computer will random

Adjustments Sticking Power Button - 50 Repair Order. Enter the adjustment part number 011-0206, “Power Button/LED Alignment” into the appropriate se

Adjustments LED Alignment Procedure - 51 LED Alignment Procedure 1. Remove the four screws that secure the bottom housing to the computer.

Adjustments LED Alignment Procedure - 52 2. Lift the bottom housing off the computer.

Adjustments LED Alignment Procedure - 53 3. Position the iMac so that it is directly in front of you. 4. Looking straight on at the inner power butt

Basics Views - 16 I/O Panel with FireWire

Adjustments LED Alignment Procedure - 54 5. If the LED is not centered properly (as shown in the top graphic), use a small plastic video alignment t

Adjustments LED Alignment Procedure - 55 7. Replace the bottom housing, making sure to align the tabs on the front.8. If the button continues to sti

Adjustments LED Alignment Procedure - 56 Inner Bezel Sanding 1. Remove the inner power button so that the LED is exposed, as shown in the graphic.2.

Adjustments LED Alignment Procedure - 57 slight uniform radius around the entire edge of the button recess.3. Clean out the inner button recess maki

Adjustments LED Alignment Procedure - 58 adjustment part number 011-0206, “Power Button/LED Alignment” into the appropriate section in AppleOrder.

Take Apart Down Converter Board - 54 6. Holding onto the boards, press down on the black connector and separate the down converter board from the lo

Take Apart Modem - 5 5 ModemBefore you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface and remove

Take Apart Modem - 5 61. With the logic board facing right side up, disconnect the cable at J12.2. Remove the two screws on the I/O panel.

Take Apart Modem - 5 73. Turn the logic board to the underside and remove the modem screw.

Take Apart Modem - 5 84. Rotate the logic board right side up again. Carefully slide the I/O panel off the logic board.Note: As you slide the I/O pa

Basics Views - 17 I/O Panel without FireWire

Take Apart Modem - 5 9Modem ReplacementThe I/O panel and the modem are sandwiched between the logic board and the metal frame of the I/O panel. The m

Take Apart I/O Panel - 60I/O PanelBefore you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface and r

Take Apart I/O Panel - 611. Disconnect the cable at J12, going from the logic board to the I/O panel.2. Remove the two screws on the I/O panel.

Take Apart I/O Panel - 623. Turn the logic board over and remove the modem screw.

Take Apart I/O Panel - 634. Rotate the logic board face up again and carefully slide the I/O panel off the logic board.Note: As you slide the I/O pa

Take Apart Front Outer Bezel - 64Front Outer BezelBefore you begin, place the computer on an ESD mat and remove the bottom housing.

Take Apart Front Outer Bezel - 651. With a jeweler’s screwdriver, carefully remove the two tabs on the front outer bezel. Refer to the next graphic f

Take Apart Front Outer Bezel - 662. After removing the tabs, remove the screws located under the tabs.

Take Apart Front Outer Bezel - 67Note: The bezel tabs fit tightly into the rear housing. A good, hard pull upward is required to release all the ta

Take Apart Front Outer Bezel - 686. As the tabs start to release, pull hard on the front outer bezel to release the tabs completely.

Basics Views - 18 iMac Logic Board

Take Apart Top Rear Housing - 69Top Rear Housing±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious inju

Take Apart Top Rear Housing - 701. Remove the two tabs (screw caps) on the top inner bezel. Refer to the next page for a close-up of the tab removal.

Take Apart Top Rear Housing - 712. Pry the tabs off, and remove the two screws under each tab.

Take Apart Top Rear Housing - 723. Position the computer face down. 4. Remove four screws and loosen the fixed screw (at the top) on the rear housing

Take Apart Top Rear Housing - 735. Position the computer right side up. Push down and pull out on the rear housing to unhook the rear housing tabs th

Take Apart Top Rear Housing - 746. Lift the top rear housing off the computer.

Take Apart Divider Panel - 75Divider Panel Note: The divider panel is only the metal chassis with EMI foam, part number 922-4044. Many service par

Take Apart Divider Panel - 76±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safe

Take Apart Divider Panel - 771. Disconnect the microphone connector located near the top of the CRT.2. Disconnect the anode cap.3. Unwrap the bendabl

Take Apart Divider Panel - 784. Lift the degauss cable out of the way to access the side panel screws.5. Using a narrow shaft screwdriver, remove the

Basics Repair Strategy/Warranty - 19 Repair Strategy/Warranty Strategy and Ordering The iMac (350 MHz), iMac DV, and iMac DV Special Edition include

Take Apart Divider Panel - 796. Open the CRT cable clamps. Remove the wires from the cable clamps.

Take Apart Divider Panel - 807. Partially lift the side panels (with the power/analog/video board attached to the divider panel) up and off the inner

Take Apart Divider Panel - 818. Disconnect P501 and P701 on the power/analog/video board. The cables are located near the high voltage capacitor.

Take Apart Divider Panel - 829. On the other side of the CRT neck, disconnect the brown degauss cable, P901, from the power/analog/video board.10. Re

Take Apart Divider Panel - 8311. At the very bottom of the power/analog/video board, near the bottom of the CRT, disconnect P902, which is part of th

Take Apart Divider Panel - 8412. Disconnect the two black ground cables going to the video board. Caution: Be careful when working around the CRT ne

Take Apart Divider Panel - 8513. Loosen the CRT neck clamp screw.

Take Apart Divider Panel - 8614. Carefully pull the video board off the CRT neck.

Take Apart Divider Panel - 8715. Lift and remove the entire divider panel assembly off the inner bezel. Note: Continue with the Take Apart procedure

Take Apart Divider Panel - 8816. Remove the following parts to replace the divider panel shown on the next page.

Basics Repair Strategy/Warranty - 20 Large businesses, universities, and K-12 accounts must provide a purchase order on all transactions, including

Take Apart Divider Panel - 8917.This is the divider panel, service part number 922-4044.

Take Apart Power/Analog/Video Board - 90Power/Analog/Video BoardBefore you begin, discharge the CRT, rest the computer on an ESD mat or other soft su

Take Apart Power/Analog/Video Board - 91±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, revi

Take Apart Power/Analog/Video Board - 924. Lift the degauss cable out of the way to access the side panel screws.5. Using a narrow shaft screwdriver,

Take Apart Power/Analog/Video Board - 936. Open the CRT cable clamps. Remove the wires from the cable clamps.

Take Apart Power/Analog/Video Board - 947. Partially lift the side panels (with the power/analog/video board attached to the divider panel) up and of

Take Apart Power/Analog/Video Board - 958. Disconnect P501 and P701 on the power/analog/video board. The cables are located near the high voltage cap

Take Apart Power/Analog/Video Board - 969. On the other side of the CRT neck, disconnect the brown degauss cable, P901, from the power/analog/video b

Take Apart Power/Analog/Video Board - 9710. At the very bottom of the power/analog/video board, near the bottom of the CRT, disconnect P902, which is

Take Apart Power/Analog/Video Board - 9811. Disconnect the two ground cables on the video board. Caution: Be careful when working around the CRT nec

Basics Repair Strategy/Warranty - 21 For U.S. inquiries, please call Service Provider Support (800-919-2775, option 1). Canadian Ordering Canadian s

Take Apart Power/Analog/Video Board - 9912. Loosen the CRT neck clamp screw.

Take Apart Power/Analog/Video Board - 10013. Carefully pull the video board off the CRT neck.

Take Apart Power/Analog/Video Board - 10114. Holding on to the side panels, lift the power/analog/video board from the inner bezel.

Take Apart Power/Analog/Video Board - 10215. Remove the ten screws and pinch the two standoffs to lift the power/analog board off the divider panel.

Take Apart Power/Analog/Video Board - 10316. Lift the board up and out, (off the divider panel) lifting the board toward the speakers.Replacement Not

Take Apart Power/Analog/Video Board - 104Identifying the Rev. 2 Power/Analog/Video BoardThere is a new revision of the power/analog/video board. The

Take Apart Power/Analog/Video Board - 105Important: The switch must be set for the type of the CRT (LG, Samsung, or CPT) in the computer. If the Rev

Take Apart Power/Analog/Video Board - 106One way to quicky identify an LG CRT is by the black sticker located on the left side of the CRT. The sticke

Take Apart Side Panels - 107Side Panels±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, revie

Take Apart Side Panels - 1081. Undo the wire wraps in the top corners or the CRT.2. Lift the degauss cable out of the way to access the side panel sc

Basics Repair Strategy/Warranty - 22 and AppleCare repairs. For pricing information, refer to Service Price Pages. Canada Only The iMac, iMac DV, a

Take Apart Side Panels - 1093. On the rear of the side panels, remove four screws. These screws connect the side panels to the divider panel (the met

Take Apart Side Panels - 1104. At the top rear of the side panels, pull each side panel off the plastic pin.(The left and right side panels are ident

Take Apart Side Panels - 1115. Pull the panels out to the sides a bit, and then lift the side panels up and off the computer.

Take Apart Side Panels - 1126. Carefully remove the antenna wire from each side panel. 7. Pull the side panel off the metal divider panel. If necessa

Take Apart Antenna - 113Antenna±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT sa

Take Apart Antenna - 114• bottom housing • front outer bezel• top rear housing• divider panel assembly

Take Apart Antenna - 1151. Remove the three screws and cable clip on the antenna.

Take Apart Antenna - 1162. Important: Note how the antenna wire is routed through the side panel before removing. A close-up view of the right panel

Take Apart Antenna - 1173. Carefully remove the antenna from the left side panel.

Take Apart Antenna - 1184. Before removing the antenna from the divider panel, mark the hole (with a pen tip) that the antenna passes through so you

Service Source K Specifications iMac, iMac DV, iMac DV SpecialEdition

Take Apart Speakers - 119 SpeakersBefore you begin, rest the computer on an ESD mat or other soft surface, and remove the bottom housing. The EMI cov

Take Apart Speakers - 1201. Disconnect the short speaker cable next to the speaker.2.Note: If you are certain a speaker is faulty, the easiest remo

Take Apart Headphone Board - 1 21Headphone Board±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious inju

Take Apart Headphone Board - 1 221. Turn the divider panel over. 2. Remove the speaker to access the headphone/audio board screw.3. Using a stubby (s

Take Apart Power/LED Board - 123Power/LED Board±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injur

Take Apart Power/LED Board - 1241. Turn the divider panel over and remove the speaker to access the power/LED board screw.2. Using a stubby screwdriv

Take Apart CRT - 1 2 5CRT±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety

Take Apart CRT - 1 2 61. Remove the four CRT screws and the ground wire.2. Lift the CRT from the inner bezel.Caution: Be careful when working aroun

Take Apart CRT - 1 2 7CRT Switch Settings on the Rev. 2 Analog Board There is a new power/analog/video board, part number 661-2315, Rev. 2 that has

Take Apart CRT - 1 2 8CRT is by the black sticker located on the left side of the CRT. The sticker covers the LG label. In this situation, the 661-2

Specifications Introduction - 1 Introduction Specifications information for this product can be found in the Spec Database, which you can access at

Take Apart Microphone - 129Microphone±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review

Take Apart Microphone - 1301. Disconnect the microphone connector.If you can’t access the micropone connector, unwrap the bendable degauss cable wrap

Take Apart Microphone - 131Replacing the Microphone1. Insert the microphone into the inner bezel with the loop facing down, toward the CRT. 2. Push t

Take Apart Microphone - 1323. Check that the microphone protrudes through the inner bezel hole.

Take Apart AirPort Card - 18 4. Remove the ground clip from the AirPort Adapter Card.5. Using the pull tab, separate the AirPort Card from the adap

Take Apart CD/HD Carrier - 19 CD/HD Carrier Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft su

Take Apart CD/HD Carrier - 20 1. Remove the four screws (two on each side) connecting the CD/HD drive carrier to the divider panel (the metal chassi

Take Apart CD/HD Carrier - 21 2. Disconnect the following cables fro the back of the CD/HD carrier:• hard drive power cable• hard drive data cable •

Take Apart CD/HD Carrier - 22 3. Tilt the CD/HD carrier forward and lift the carrier out of the computer. Note: Continue with the Take Apart proce

Take Apart CD-ROM / DVD-ROM - 23 CD-ROM / DVD-ROM Note: The procedures for removing a CD-ROM or DVD-ROM are identical. This procedure will referen

Service Source K Troubleshooting iMac, iMac DV, iMac DVSpecial Edition

Take Apart CD-ROM / DVD-ROM - 24 1. Using a Phillips screwdriver, remove the CD/HD carrier mounting screws (two on each side).

Take Apart CD-ROM / DVD-ROM - 25 2. Carefully turn the CD/HD drive carrier over. 3. Holding onto the CD-ROM from the rear, lift the CD-ROM carrier o

Take Apart CD-ROM / DVD-ROM - 26 4. Using a jeweler’s screwdriver, remove the four screws (two on each side) on the CD/DVD carrier.5. Lift the CD-RO

Take Apart CD-ROM / DVD-ROM - 27 6. On the back of the CD-ROM, use a jeweler’s screwdriver to remove the two screws on the adapter board.7. Remove t

Take Apart CD-ROM / DVD-ROM - 28 Manual Eject Button The CD/DVD eject mechanism is electrical rather than mechanical on the iMac. If you wish to ej

Take Apart CD-ROM / DVD-ROM - 29 paper clip. The button is located on the right side of the CD slot. Note that the power must be on to eject a CD us

Take Apart CD-ROM / DVD-ROM - 30 CD-ROM or DVD-ROM Module Replacement Position the CD-ROM or DVD-ROM into its carrier as shown. 1. Check that the ye

Take Apart CD-ROM / DVD-ROM - 31 2. Lower the CD/DVD carrier into the CD/HD carrier. 3. Push the CD/DVD carrier forward so the carrier tabs go thro

Take Apart CD-ROM / DVD-ROM - 32 5. As a final check, this is a front view of the CD-ROM or DVD-ROM correctly installed into the CD/HD carrier.

Take Apart CD/DVD Adapter Board - 33 CD/DVD Adapter Board Before you begin, position the computer upside down, resting the computer on an ESD mat or

Troubleshooting Introduction - 1 Introduction This chapter contains basic theory of operations information as well as detailed Symptom/Cure tables,

Take Apart CD/DVD Adapter Board - 34 1. Using a jeweler’s screwdriver, remove the two screws on the CD/DVD adapter board.2. Remove the adapter board

Take Apart Hard Drive - 35 Hard Drive Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface

Take Apart Hard Drive - 36 1. Using a #1 Phillips screwdriver, remove the four hard drive mounting screws. Note: Support the hard drive with one h

Take Apart Hard Drive - 37 2. Remove the hard drive from the CD/HD carrier. Note: Return the drives without the cables or carriers. Exchange Apple

Take Apart Hard Drive - 38 Hard Drive Replacement When installing the hard drive into the CD/HD carrier, make sure the hard drive is component side

Take Apart Logic Board - 39 Logic Board Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft surfac

Take Apart Logic Board - 40 Note: Remove SDRAM to make cable removal easier.1. On the back of the CD/HD carrier,disconnect the:• hard drive power

Take Apart Logic Board - 41 3. Remove the five screws on the logic board and five screws on the down converter board. Note: The two screws locat

Take Apart Logic Board - 42 4. Gently lift the down converter board and logic board out of the computer.

Take Apart Logic Board - 43 5. Using a flatblade screwdriver, pry the plastic rivet off the board. Put the top half of the rivet back into the bot

Service Source K Basics iMac, iMac DV, iMac DV SpecialEdition

Troubleshooting Block Diagram - 2 Block Diagram The following illustration provides an overview of the iMac inter-nal components and shows how they

Take Apart Logic Board - 44 6. Holding onto the down converter, press down on the black connector to separate the down converter board from the logi

Take Apart Logic Board - 45 Identifying 350 MHz Logic Boards (661-2210) There are two 350 MHz logic boards in service stock under the part number 66

Take Apart Logic Board - 46 Identifying the Version 2, 350 MHz Logic Board The Version 2 board and the more recent 661-2210 logic board (without th

Take Apart Logic Board - 47 The Version 2 board (661-2317) will have a revision number of -09 or -0A on the VLSI chip (as shown). Refer to the Parts

Take Apart Logic Board - 48 Identifying the 400 MHz Logic Boards There is a new version of the 400 MHz logic board for the iMac DV and iMac Special

Take Apart Down Converter Board - 49 Down Converter Board Before you begin, position the computer upside down, resting the computer on an ESD mat or

Take Apart Down Converter Board - 50 Note: Remove SDRAM to make cable removal easier.1. On the back of the CD/HD carrier, disconnect the:• hard dr

Take Apart Down Converter Board - 51 3. Remove the five screws on the logic board and five screws on the down converter board. Note: The two down

Take Apart Down Converter Board - 52 4. Lift the boards out of the computer.

Take Apart Down Converter Board - 53 5. Using a flatblade screwdriver, pry the rivet off the logic board.Put the top half of the rivet back into the

Troubleshooting Power Flow/ - 3 Power Flow Power is controlled in the iMac system by the power/analog board. Once the unit is plugged in, power flo

Take Apart Down Converter Board - 54 6. Holding onto the boards, press down on the black connector and separate the down converter board from the lo

Take Apart Modem - 5 5 ModemBefore you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface and remove

Take Apart Modem - 5 61. With the logic board facing right side up, disconnect the cable at J12.2. Remove the two screws on the I/O panel.

Take Apart Modem - 5 73. Turn the logic board to the underside and remove the modem screw.

Take Apart Modem - 5 84. Rotate the logic board right side up again. Carefully slide the I/O panel off the logic board.Note: As you slide the I/O pa

Take Apart Modem - 5 9Modem ReplacementThe I/O panel and the modem are sandwiched between the logic board and the metal frame of the I/O panel. The m

Take Apart I/O Panel - 60I/O PanelBefore you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface and r

Take Apart I/O Panel - 611. Disconnect the cable at J12, going from the logic board to the I/O panel.2. Remove the two screws on the I/O panel.

Take Apart I/O Panel - 623. Turn the logic board over and remove the modem screw.

Take Apart I/O Panel - 634. Rotate the logic board face up again and carefully slide the I/O panel off the logic board.Note: As you slide the I/O pa

Troubleshooting Testing for Power - 4 Testing for Power The iMac requires trickle voltage (+5 TRKL) in order to power-on. If you are experiencing po

Take Apart Front Outer Bezel - 64Front Outer BezelBefore you begin, place the computer on an ESD mat and remove the bottom housing.

Take Apart Front Outer Bezel - 651. With a jeweler’s screwdriver, carefully remove the two tabs on the front outer bezel. Refer to the next graphic f

Take Apart Front Outer Bezel - 662. After removing the tabs, remove the screws located under the tabs.

Take Apart Front Outer Bezel - 67Note: The bezel tabs fit tightly into the rear housing. A good, hard pull upward is required to release all the ta

Take Apart Front Outer Bezel - 686. As the tabs start to release, pull hard on the front outer bezel to release the tabs completely.

Take Apart Top Rear Housing - 69Top Rear Housing±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious inju

Take Apart Top Rear Housing - 701. Remove the two tabs (screw caps) on the top inner bezel. Refer to the next page for a close-up of the tab removal.

Take Apart Top Rear Housing - 712. Pry the tabs off, and remove the two screws under each tab.

Take Apart Top Rear Housing - 723. Position the computer face down. 4. Remove four screws and loosen the fixed screw (at the top) on the rear housing

Take Apart Top Rear Housing - 735. Position the computer right side up. Push down and pull out on the rear housing to unhook the rear housing tabs th

Troubleshooting Testing for Power - 5 At the Logic Board With the iMac placed with the CRT face down on a soft surface, remove the bottom housing an

Take Apart Top Rear Housing - 746. Lift the top rear housing off the computer.

Take Apart Divider Panel - 75Divider Panel Note: The divider panel is only the metal chassis with EMI foam, part number 922-4044. Many service par

Take Apart Divider Panel - 76±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safe

Take Apart Divider Panel - 771. Disconnect the microphone connector located near the top of the CRT.2. Disconnect the anode cap.3. Unwrap the bendabl

Take Apart Divider Panel - 784. Lift the degauss cable out of the way to access the side panel screws.5. Using a narrow shaft screwdriver, remove the

Take Apart Divider Panel - 796. Open the CRT cable clamps. Remove the wires from the cable clamps.

Take Apart Divider Panel - 807. Partially lift the side panels (with the power/analog/video board attached to the divider panel) up and off the inner

Take Apart Divider Panel - 818. Disconnect P501 and P701 on the power/analog/video board. The cables are located near the high voltage capacitor.

Take Apart Divider Panel - 829. On the other side of the CRT neck, disconnect the brown degauss cable, P901, from the power/analog/video board.10. Re

Take Apart Divider Panel - 8311. At the very bottom of the power/analog/video board, near the bottom of the CRT, disconnect P902, which is part of th

Troubleshooting Testing for Power - 6 Testing DCO (Down Converter On) Voltage at C10 on the Logic Board In a No Power situation, first check for +5

Take Apart Divider Panel - 8412. Disconnect the two black ground cables going to the video board. Caution: Be careful when working around the CRT ne

Take Apart Divider Panel - 8513. Loosen the CRT neck clamp screw.

Take Apart Divider Panel - 8614. Carefully pull the video board off the CRT neck.

Take Apart Divider Panel - 8715. Lift and remove the entire divider panel assembly off the inner bezel. Note: Continue with the Take Apart procedure

Take Apart Divider Panel - 8816. Remove the following parts to replace the divider panel shown on the next page.

Take Apart Divider Panel - 8917.This is the divider panel, service part number 922-4044.

Take Apart Power/Analog/Video Board - 90Power/Analog/Video BoardBefore you begin, discharge the CRT, rest the computer on an ESD mat or other soft su

Take Apart Power/Analog/Video Board - 91±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, revi

Take Apart Power/Analog/Video Board - 924. Lift the degauss cable out of the way to access the side panel screws.5. Using a narrow shaft screwdriver,

Take Apart Power/Analog/Video Board - 936. Open the CRT cable clamps. Remove the wires from the cable clamps.

Troubleshooting Testing for Power - 7 Testing J7 for Voltage on the Logic Board The following voltages measure if the down converter is providing t

Take Apart Power/Analog/Video Board - 947. Partially lift the side panels (with the power/analog/video board attached to the divider panel) up and of

Take Apart Power/Analog/Video Board - 958. Disconnect P501 and P701 on the power/analog/video board. The cables are located near the high voltage cap

Take Apart Power/Analog/Video Board - 969. On the other side of the CRT neck, disconnect the brown degauss cable, P901, from the power/analog/video b

Take Apart Power/Analog/Video Board - 9710. At the very bottom of the power/analog/video board, near the bottom of the CRT, disconnect P902, which is

Take Apart Power/Analog/Video Board - 9811. Disconnect the two ground cables on the video board. Caution: Be careful when working around the CRT nec

Take Apart Power/Analog/Video Board - 9912. Loosen the CRT neck clamp screw.

Take Apart Power/Analog/Video Board - 10013. Carefully pull the video board off the CRT neck.

Take Apart Power/Analog/Video Board - 10114. Holding on to the side panels, lift the power/analog/video board from the inner bezel.

Take Apart Power/Analog/Video Board - 10215. Remove the ten screws and pinch the two standoffs to lift the power/analog board off the divider panel.

Take Apart Power/Analog/Video Board - 10316. Lift the board up and out, (off the divider panel) lifting the board toward the speakers.Replacement Not

Troubleshooting Testing for Power - 8 Testing the Power/Analog Board Fuse First remove the bottom housing, front outer bezel, and the top rear hous

Take Apart Side Panels - 104Side Panels±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, revie

Take Apart Side Panels - 1051. Undo the wire wraps in the top corners or the CRT.2. Lift the degauss cable out of the way to access the side panel sc

Take Apart Side Panels - 1063. On the rear of the side panels, remove four screws. These screws connect the side panels to the divider panel (the met

Take Apart Side Panels - 1074. At the top rear of the side panels, pull each side panel off the plastic pin.(The left and right side panels are ident

Take Apart Side Panels - 1085. Pull the panels out to the sides a bit, and then lift the side panels up and off the computer.

Take Apart Side Panels - 1096. Carefully remove the antenna wire from each side panel. 7. Pull the side panel off the metal divider panel. If necessa

Take Apart Antenna - 110Antenna±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT sa

Take Apart Antenna - 111• bottom housing • front outer bezel• top rear housing• divider panel assembly

Take Apart Antenna - 1121. Remove the three screws and cable clip on the antenna.

Take Apart Antenna - 1132. Important: Note how the antenna wire is routed through the side panel before removing. A close-up view of the right panel

Troubleshooting The PMU Chip - 9 The PMU Chip The PMU (Power Management Unit) is a microcontroller chip that controls all power functions for the co

Take Apart Antenna - 1143. Carefully remove the antenna from the left side panel.

Take Apart Antenna - 1154. Before removing the antenna from the divider panel, mark the hole (with a pen tip) that the antenna passes through so you

Take Apart Speakers - 116 SpeakersBefore you begin, rest the computer on an ESD mat or other soft surface, and remove the bottom housing. The EMI cov

Take Apart Speakers - 1171. Disconnect the short speaker cable next to the speaker.2.Note: If you are certain a speaker is faulty, the easiest remo

Take Apart Headphone Board - 1 18Headphone Board±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious inju

Take Apart Headphone Board - 1 191. Turn the divider panel over. 2. Remove the speaker to access the headphone/audio board screw.3. Using a stubby (s

Take Apart Power/LED Board - 120Power/LED Board±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injur

Take Apart Power/LED Board - 1211. Turn the divider panel over and remove the speaker to access the power/LED board screw.2. Using a stubby screwdriv

Take Apart CRT - 1 2 2CRT±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety

Take Apart CRT - 1 2 31. Remove the four CRT screws and the ground wire.2. Lift the CRT from the inner bezel.Caution: Be careful when working aroun

Troubleshooting Resetting the PMU on the Logic Board - 10 Resetting the PMU on the Logic Board Resetting the PMU (Power Management Unit) on the logi

Take Apart Microphone - 124Microphone±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review

Take Apart Microphone - 1251. Disconnect the microphone connector.If you can’t access the micropone connector, unwrap the bendable degauss cable wrap

Take Apart Microphone - 126Replacing the Microphone1. Insert the microphone into the inner bezel with the loop facing down, toward the CRT. 2. Push t

Take Apart Microphone - 1273. Check that the microphone protrudes through the inner bezel hole.

Adjustments LED Alignment Procedure - 55 7. Replace the bottom housing, making sure to align the tabs on the front.8. If the button continues to sti

Adjustments LED Alignment Procedure - 56 Inner Bezel Sanding 1. Remove the inner power button so that the LED is exposed, as shown in the graphic.2.

Adjustments LED Alignment Procedure - 57 slight uniform radius around the entire edge of the button recess.3. Clean out the inner button recess maki

Adjustments LED Alignment Procedure - 58 adjustment part number 011-0206, “Power Button/LED Alignment” into the appropriate section in AppleOrder.

Service Source K Upgrades iMac, iMac DV, iMac DV SpecialEdition

Upgrades - 1 Memory The iMac comes with a minimum of 64 MB of SDRAM and can be expanded to a maximum of 512 MB.Install a memory module that meets t

Troubleshooting Power-On Self Test - 11 Power-On Self Test There is a power-on self test that resides in the ROM of the iMac. This test automaticall

Upgrades - 2 Note: Place a soft towel or cloth on the desk or surface. Position the screen face down on the cloth.1. Using a flatblade screwdrive

Upgrades - 3 3. Touch the EMI cover that is visible inside the recessed latch area before touching any components on the main logic board. This pro

Upgrades - 4 4. Push the ejector tabs on the slots outward and down so they are in the open position.

Upgrades - 5 5. Align the notches on the memory module with the small notches inside the slot.6. Push down on the DIMM until it snaps into place. T

Upgrades - 6 Option–S when restarting the computer. This preserves the Setup Assistant experience (a movie and setup instructions) for the custom

Upgrades - 7 AirPort Card Place a soft towel or cloth on the desk or surface. 1. Position the screen face down on the cloth.Use a coin or flatblad

Upgrades - 8 3. Touch the metal EMI shield inside the recessed latch area before touching any components on the main logic board.

Upgrades - 9 4. Detach the antenna from the left guide rail.5. Remove the protective antenna cap from the end of the antenna and store the cap in a

Upgrades - 10 6. Slide the AirPort Card into the adapter card. Note: It is probably easiest to attach the metal ground clip over the AirPort Car

Upgrades - 11 7. Connect the antenna by plugging the antenna wire into the small hole in the end of the AirPort Card.

Basics Overview - 1 Overview Product Description A completely new iMac, redesigned from top to bottom, inside and out—and available in three new m

Troubleshooting Power Button - 12 Power Button The power button on the front of the iMac (see Table 1 below) will power up the computer, or put it

Upgrades - 12 8. Align the edges of the AirPort Card with the guides on the AirPort Card slot. Insert the AirPort Card into the adapter Card connec

Upgrades - 13 movie and setup instructions) for the customer. If these keys are not held down when restarting the computer after an upgrade, the S

Upgrades - 14 Connect an External Monitor If the iMac has a VGA output port, you can connect an external monitor to the computer and mirror, or sho

Upgrades - 15 10. Place the computer face down, on a soft, clean cloth or ESD mat.

Upgrades - 16 f the VGA port is covered (you can’t see it), replace the vented cover with the VGA vented cover that came with the computer.IVented

Upgrades - 17 11.Insert the flatblade screwdriver partially into the slot on the top of the vented cover, then gently push forward on the screwdriv

Upgrades - 18 12. Insert the lower edge of the VGA vented cover into the slots, then press the top edge down to snap the cover in place.VGA Vented

Upgrades - 19 13.Plug the external monitor cable into the VGA output port on the back of the computer.14. Plug the monitor cable into the monitor p

Service Source K Exploded View iMac, iMac DV, iMac DV SpecialEdition

Exploded View 1 iMac, iMac DV, iMac Special Edition Exploded View Click part to go to parts database (only in html version). Power/Analog/Video Boa

Troubleshooting Logic Board Battery - 13 Logic Board Battery Important: Apple highly recommends removing the battery when handling the logic board

Exploded View 2 Colored Service Parts Click part to go to parts database (only in html version).Keyboard922-4077 Graphite922-4078 Blueberry922-407

Exploded View 3 Cable Locator Click part to go to parts database (only in html version).Cable, Modem, Phone 1TP, ICE 922-3963Cable, Audio (Head

Exploded View 4 Screw MatrixScrews Locator922-4144 (4), CD/HD Carrier to Divider Panel 922-4145 (4), CD/DVD CarrierCD to Drive to Carrier 922-4146

Exploded View 5 Identifying 350 MHz Logic Boards There are currently three 350 MHz logic boards in service stock for the slot-loading iMac.Two of t

Exploded View 6 Identifying the 400 MHz Logic Boards There is a new version of the 400 MHz logic board for the iMac DV and iMac Special Edition. Th

Exploded View 7 Identifying the Power/Analog/Video Boards There is a new revision (backward compatible) of the power/analog/video board (661-2315,

Troubleshooting Ejecting a CD or DVD Disc, Part 1 - 14 Ejecting a CD or DVD Disc, Part 1 The CD/DVD eject mechanism is electrical rather than mechan

Troubleshooting Ejecting a CD or DVD Disc, Part 2 - 15 Ejecting a CD or DVD Disc, Part 2 There are two internal levers on a slot-loading CD-DVD driv

Troubleshooting HFS Plus Formatted Drives - 16 HFS Plus Formatted Drives The hard drive in the iMac is formatted with HFS Plus (also referred to as

Troubleshooting Testing the Modem - 17 Testing the Modem The iMac ships with AppleWorks software, which can be used to test the iMac modem connectio

Troubleshooting Testing the Modem - 18 A good test to see if the phone line is working is to type “ATDT”, which will open the phone line. If the mod

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Symptom/Cure Tables:Startup Problems Before the Finder Appears If you have

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears No Power In a “No Power” situation, the system is completely dead. T

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears Bad power/analog/video board-Verify the fuse at F901 on the power/an

Basics Overview - 2 mirrored RGB out, FireWire ports, and digital video technology to name a few

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears No Video or Unstable Raster Normal startup boot chime, the LED is o

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears Bad power/analog/video board - Check for trickle power on the logic

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Gray Screen In a “Gray Screen Raster” situation, you will get a normal start

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Error Beep(s) If you hear from one to five error beeps at startup with no bo

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears Flashing Question MarkThis problem refers to a flashing question mark

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears System Hangs During BootThis problem refers to a system that begins a

Troubleshooting Symptom/Cure Tables:Startup Problems Before the Finder Appears External device is bad. Disconnect all external devices (USB and Ether

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 29Symptom/Cure Tables: System Problems After StartupIf you experience system pro

Power Macintosh 7500 Symptom Charts - 30System HangsRefer to this table if your system intermittently hangs (freezes) during normal oper-ation. Note:

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 31Distorted VideoDistorted Video refers to a problem with the screen geometry or

Basics New Technologies - 3 New Technologies AirPort Wireless Networking The iMac, iMac DV, and iMac DV Special Edition computers support wireless n

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 32Thin White LineA a thin, white horizontal line scrolls from top to bottom, or

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 33Tinting VideoTinting Video refers to a predominant color tint or color coverin

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 34Garbage VideoGarbage video refers to erroneous text or characters that appear

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 35Intermittent Shut Down or SleepAn iMac with a sticking power button can genera

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 36Memory Error DialogIf you see a error dialog message pertaining to memory afte

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 37Can’t Wake From SleepThe computer cannot be brought out of “sleep” mode by pre

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 38 Network Problems Refer to this troubleshooting table if you are unable

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 39CD_ROM or DVD-ROM VibrationCD-ROM or DVD-ROM vibration is typically caused by

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 40CD-ROM or DVD-ROM Won’t EjectCD-ROM or DVD-ROM disc won’t eject from the slot.

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 41Uneven edge of the CD or DVD drive.There are two internal levers on a slot-loa

Basics New Technologies - 4 In addition, to access another computer network or Internet service provider, users need to connect a wireless access de

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 42CD-ROM or DVD-ROM Not Showing on DesktopCD-ROM and DVD-ROM problems are define

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 43Hard Drive ProblemsHard drive problems include a hard drive that doesn’t opera

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 44Sound Out ProblemsSound out problems refer to a lack of sound coming from the

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 45Sound In ProblemsSound in problems involve the internal microphone. Symptoms c

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 46Noise From Computer After Shutdown After the computer is shutdown, the compute

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 47USB ProblemsUSB problems refer to symptoms or issues that may occur with exter

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 48USB driver missing. This error message indicates the device's driver is m

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 49Cursor ProblemsThis section deals with a cursor that moves on the screen, but

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 50USB Printer ProblemsThis troubleshooting table deals with an iMac that cannot

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 51Networked Printer ProblemsThis troubleshooting table deals with an iMac that c

Basics New Technologies - 5 VGA Output Port The iMac DV and iMac DV Special Edition computer includes a port for an external video monitor, so you c

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 52 Modem Not Recognized

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 53 Modem Dialing ProblemsIf the modem is having problems dialing out, refer to t

Service Source K Take Apart iMac, iMac DV, iMac DV SpecialEdition

Take Apart - 1 Tools The following tools are recommended for procedures in this chapter: • phillips screwdriver (#1 and #2)• a stubby (short) phill

Take Apart Bottom Housing With Flip Foot - 2 Procedures Bottom Housing With Flip Foot Before you begin, position the computer face down, resting the

Take Apart Bottom Housing With Flip Foot - 3 1. Remove the two screws near the flip foot.2. Using a plastic flatblade screwdriver, pry the VGA vente

Take Apart Bottom Housing With Flip Foot - 4 4. Remove the two outer screws located near the video out port. Note: The bottom housing uses two si

Take Apart Bottom Housing With Flip Foot - 5 5. Lift the bottom housing from the computer.

Take Apart Bottom Housing With Flip Foot - 6 6. Replacement Caution: Align the three tabs on the bottom housing with the tab slots on the front ou

Take Apart EMI Cover - 7 EMI Cover Before you begin:• Position the computer upside down, resting the computer on an ESD mat or other soft surface.•

Basics Features - 6 Features Processor There are three shipping configurations: iMac (good), iMac DV (better), and iMac DV Special Edition (best).•

Take Apart EMI Cover - 8 1. Remove the six screws on the EMI cover.

Take Apart EMI Cover - 9 2. Lift the EMI cover off the computer. Note: Be careful of the VGA output port (if present).

Take Apart EMI Cover - 10 Replacement Note: Position the rear of the EMI cover into place first, positioning the EMI cover over the video port (if

Take Apart SDRAM DIMM - 11 SDRAM DIMM Before you begin, position the computer face down, resting the CRT on an ESD mat or other soft surface.

Take Apart SDRAM DIMM - 12 1. With a flatbade screwdriver or coin, turn the colored latch counterclockwise on the access door.2. Open the access doo

Take Apart SDRAM DIMM - 13 3. Push down on the plastic tabs to release the SDRAM module(s).4. Carefully lift the SDRAM from the slot. Note: Remove

Take Apart AirPort Card - 14 AirPort Card Before you begin, position the computer face down, resting the CRT on an ESD mat or other soft surface. N

Take Apart AirPort Card - 15 1. With a flatbade screwdriver or coin, turn the colored latch to open the access door. The antenna and AirPort Card wi

Take Apart AirPort Card - 16 2. Remove the AirPort Card (which sits in the adapter card) from the card guides and AirPort connector.

Take Apart AirPort Card - 17 3. Disconnect the antenna from the small hole AirPort Card.