Apple M8347LL/A - iMac - Dalmatian Informations techniques

Service Source K iMac (Early 2001) Marketing Reference: Winter 2000-2001 Updated 11 July 2005Note : The procedures for this product are almost iden

Take Apart Bottom Housing With Flip Foot - 9 4. Remove the two outer screws located near the video out port. Replacement Note: The bottom housing

Take Apart Side Panels - 9 91. 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 s

Take Apart Side Panels - 1 003. On the rear of the side panels, remove four screws. These screws connect the side panels to the divider panel (the m

Take Apart Side Panels - 1 014. At the top rear of the side panels, pull each side panel off the plastic pin.(The left and right side panels are ide

Take Apart Side Panels - 1 025. Pull the panels out to the sides a bit, and then lift the side panels up and off the computer.

Take Apart Side Panels - 1 036. Carefully remove the antenna wire from each side panel. 7. Pull the side panel off the metal divider panel. If neces

Take Apart Antenna - 1 04Antenna±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, discharge t

Take Apart Antenna - 1 05• front outer bezel• top rear housing• divider panel assembly

Take Apart Antenna - 1 061. Remove the three screws and cable clip on the antenna.

Take Apart Antenna - 1 072. Important: Note how the antenna wire is routed through the side panel before removing. A close-up view of the right pan

Take Apart Antenna - 1 083. Carefully remove the antenna from the left side panel. Refer to the next page for a close up of the antenna in the left

Take Apart Bottom Housing With Flip Foot - 10 5. Pull the bottom housing off the computer.

Take Apart Antenna - 1 094. This shows a close up view of the antenna in the left side panel.

Take Apart Antenna - 1 105. Before removing the antenna from the divider panel, mark the hole (with a pen tip) that the antenna passes through so yo

Take Apart Antenna - 1 116. Remove the antenna board from the divider panel.

Take Apart Speakers - 1 12 SpeakersBefore you begin, rest the computer on an ESD mat or other soft surface, and remove the bottom housing. The EMI co

Take Apart Speakers - 1 131. Disconnect the short speaker cable next to the speaker.2.Note: If you are certain a speaker is faulty, the easiest rem

Take Apart Headphone Board - 1 1 4Headphone Board±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious in

Take Apart Headphone Board - 1 1 51. Turn the divider panel over. 2. Remove the speaker to access the headphone/audio board screw.3. remove the scre

Take Apart Power/LED Board - 116Power/LED Board±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injur

Take Apart Power/LED Board - 1171. Turn the divider panel over and remove the speaker to access the power/LED board screw.2. Remove the screw using a

Take Apart CRT - 1 1 8CRT±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety

Take Apart Bottom Housing With Flip Foot - 11 Bottom Housing Replacement Note 1. Align the three tabs on the bottom housing with the tab slots on th

Take Apart CRT - 1 1 91. Remove the four CRT screws.2. Remove the ground wire.3. Lift the CRT from the inner bezel.Caution: Be careful when working

Take Apart Replacing the CRT - 1 2 0Replacing the CRTCRT Notice, July 2005Two vendors (LG and CPT) used to supply the CRT for all iMac computers wi

Take Apart Replacing the CRT - 1 2 11. When you replace the CRT, identify if the computer has an LG or Hon Hai power/analog board installed.• Hon H

Take Apart Replacing the CRT - 1 2 22. If you have an LG board, (shown on the left) you need to order a Hon Hai board: 661-2465 or 661-2315. 3. Set

Take Apart Replacing the CRT - 1 2 3Switch Settings for the LG CRT If you have an LG CRT, and a Hon Hai power/analog board, set the switch on the H

Take Apart Replacing the CRT - 1 2 4Identifying the LG CRT Identify the LG CRT by the plastic molding on the CRT neck. The LG name and three holes

Take Apart Replacing the CRT - 1 2 5Identifying the CPT CRTThe CPT CRT can be identified by the plastic molding on the CRT neck. The CPT CRT moldin

Take Apart Microphone - 126Microphone±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review

Take Apart Microphone - 1271. Unwrap the bendable cable wrap.2. Disconnect the microphone connector.

Take Apart Microphone - 1283. Pull the microphone from the inner bezel.

Take Apart EMI Cover - 12 EMI Cover Before you begin:• Position the computer upside down, resting the computer on an ESD mat or other soft surface.

Take Apart Microphone - 129Replacing the Microphone1. Insert the microphone into the inner bezel with the loop facing down, toward the CRT. 2. Push t

Take Apart Microphone - 1303. Check that the microphone protrudes through the inner bezel hole.

Service SourceKTroubleshooting iMac (Early 2001)Marketing Reference: Winter 2000-2001

Troubleshooting Introduction - 1IntroductionTroubleshooting procedures for the iMac (Early 2001) computer are almost identical to the iMac (Summer 20

Troubleshooting Introduction - 2Searching the Knowledge BaseIn the Knowledge Base, use the expert search to locate trouble-shooting articles. In the

Troubleshooting Troubleshooting Procedures - 3Troubleshooting ProceduresThis chapter contains basic theory of operations information as well as detai

Troubleshooting Block Diagram/ Searching the Knowledge Base - 4Block DiagramThe following illustration pro-vides an overview of the iMac internal com

Troubleshooting Power Flow - 5Power FlowPower is controlled in the iMac system by the power/analog board. Once the unit is plugged in, power flows fr

Troubleshooting Testing for Power - 6Testing for PowerThe iMac requires trickle voltage (+5 TRKL) in order to power-on. If you are experiencing power

Troubleshooting Testing for Power - 7At the Logic BoardWith the iMac placed with the CRT face down on a soft surface, remove the bottom housing and t

Take Apart EMI Cover - 13 1. Remove the six screws on the EMI cover.

Troubleshooting Testing for Power - 8Testing DCO (Down Converter On) Voltage at C4 on the Logic BoardIn a No Power situation, first check for +5 V tr

Troubleshooting Testing for Power - 9Testing J7 for Voltage on the Logic BoardThe following voltages measure if the down converter is providing the r

Troubleshooting Testing for Power - 10 Testing the Power/Analog Board FuseFirst remove the bottom housing, front outer bezel, and the top rear housin

Troubleshooting The PMU Chip - 11The PMU ChipThe PMU (Power Management Unit) is a microcontroller chip that controls all power functions for the comp

Troubleshooting Resetting the PMU on the Logic Board - 12Resetting the PMU on the Logic BoardResetting the PMU (Power Management Unit) on the logic b

Troubleshooting Power-On Self Test - 13Power-On Self TestThere is a power-on self test that resides in the ROM of the iMac. This test automatically r

Troubleshooting Logic Board Battery - 14Logic Board BatteryImportant: Apple highly recommends removing the battery when handling the logic board. Ma

Troubleshooting Ejecting a CD or DVD Disc, Part 1 - 15Ejecting a CD or DVD Disc, Part 1The CD/DVD eject mechanism is electrical rather than mechanica

Troubleshooting Ejecting a CD or DVD Disc, Part 2 - 16Ejecting a CD or DVD Disc, Part 2There are two internal levers on a slot-loading CD-DVD drive t

Troubleshooting HFS Plus Formatted Drives - 17HFS Plus Formatted Drives The hard drive in the iMac is formatted with HFS Plus (also referred to as Ma

Take Apart EMI Cover - 14 2. Lift the EMI cover off the computer. Note: Be careful of the VGA output port.

Troubleshooting Testing the Modem - 18Testing the ModemThe iMac ships with AppleWorks software, which can be used to test the iMac modem connection.

Troubleshooting Testing the Modem - 19A good test to see if the phone line is working is to type “ATDT”, which will open the phone line. If the modem

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

Troubleshooting Symptom/Cure Tables: Startup Problems Before the Finder No PowerIn a “No Power” situation, the system is completely dead. There is no

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

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

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

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

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 boot

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

Take Apart EMI Cover - 15 Replacement Note: Position the rear of the EMI cover into place first, positioning the EMI cover over the video port (i

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

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

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 30Symptom/Cure Tables: System Problems After StartupIf you experience system pro

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 31System HangsRefer to this table if your system intermittently hangs (freezes)

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 32Distorted VideoDistorted Video refers to a problem with the screen geometry or

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 33Thin White LineA a thin, white horizontal line scrolls from top to bottom, or

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 34Tinting VideoTinting Video refers to a predominant color tint or color coverin

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 35Garbage VideoGarbage video refers to erroneous text or characters that appear

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 36Intermittent Shut Down or SleepAn iMac with a sticking power button can genera

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 37Memory Error DialogIf you see a error dialog message pertaining to memory afte

Take Apart SDRAM DIMM - 1 6 SDRAM DIMM Before you begin, position the computer face down, resting the CRT on an ESD mat or other soft surface.

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 38Can’t Wake From SleepThe computer cannot be brought out of “sleep” mode by pre

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 39 Network Problems Refer to this troubleshooting table if you are unable t

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 40CD_ROM or DVD-ROM VibrationCD-ROM or DVD-ROM vibration is typically caused by

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 41CD-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 - 42Uneven edge of the CD or DVD drive.There are two internal levers on a slot-loa

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 43CD-ROM or DVD-ROM Not Showing on DesktopCD-ROM and DVD-ROM problems are define

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 44Hard Drive ProblemsHard drive problems include a hard drive that doesn’t opera

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 45Sound Out ProblemsSound out problems refer to a lack of sound coming from the

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 46Sound In ProblemsSound in problems involve the internal microphone. Symptoms c

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 47Noise From Computer After Shutdown After the computer is shutdown, the compute

Take Apart SDRAM DIMM - 1 7 1. With a flatblade screwdriver or coin, turn the colored latch counterclockwise on the access door.2. Pull the access

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 48USB ProblemsUSB problems refer to symptoms or issues that may occur with exter

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 49USB driver missing. This error message indicates the device's driver is m

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 50Cursor ProblemsThis section deals with a cursor that moves on the screen, but

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 51USB Printer ProblemsThis troubleshooting table deals with an iMac that cannot

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 52Networked Printer ProblemsThis troubleshooting table deals with an iMac that c

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 53 Modem Not Recognized

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 54 Modem Dialing ProblemsIf the modem is having problems dialing out, refer to t

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 55The modem is loose or missing.If you get an error message that the modem is no

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 56Modem Not ConnectingThis table should help you troubleshoot and fix a modem th

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 57The phone number is wrong.Verify the phone number of the server you’re trying

Take Apart SDRAM DIMM - 1 8 3. Push down on the plastic tabs to release the SDRAM module(s).4. Carefully lift the SDRAM from the slot. Note: Remo

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 58 Modem Dropping ConnectionThis table should help you troubleshoot and fix a mo

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 59Modem Performance Issues System Freeze Occurs When Sleeping iMac Connected to

Troubleshooting Symptom/Cure Tables: System Problems After Startup - 60

Service SourceKAdjustments iMac (Early 2001)Marketing Reference: Winter 2000-2001

Adjustments - 2Important: Adjustment InformationThe Adjustment procedures for iMac (Early 2001) computer are identical to the procedures for the slo

Adjustments Adjustment Tools - 3Adjustment ToolsThe following items are needed to perform video adjustments:• Display Adjustment Utility • jumper adj

Adjustments Adjustment Tools - 4Light Meter SetupThis topic covers setup for light meter Model R77, service part number 076-0310. Note: The adjustme

Adjustments Adjustment Tools - 5Model R77Before you begin, remove the 10X multiplier plate from the lens. Three scales are shown on the light meter:•

Adjustments Adjustment Tools - 6To measure a display screen’s luminance,1. Set the scale switch to the bottom position (to set up the 10-50 fc scale)

Adjustments Adjustment Tools - 7If you suspect the light meter is giving false readings, verify the readings with a known-good light meter or photome

Service Source K Take Apart iMac (Early 2001) Marketing Reference: Winter 2000-2001

Take Apart AirPort Card - 19 AirPort Card Before you begin, position the computer face down, resting the CRT on an ESD mat or other soft surface. N

Adjustments Adjustment Tools - 8Jumper Adjustment ToolThe jumper adjustment tool (922-4165) must be installed to save cutoff and white balance adjust

Adjustments Adjustment Tools - 9Installing the Jumper±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious

Adjustments Adjustment Tools - 102. With the power off, remove the left ground cable from the video board.

Adjustments Adjustment Tools - 113. Connect one end of the jumper adjustment tool (922-4165) to the video board pin. Note: The video board pin is l

Adjustments Focus Adjustment - 12Focus Adjustment±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious inj

Adjustments Focus Adjustment - 13flyback transformer.Note: Make sure the jumper adjustment tool is installed (see previous procedure).2. Power on th

Adjustments Focus Adjustment - 144. Adjust the focus control on the flyback transformer until the focus test pattern reaches the best front-of-screen

Adjustments Screen Voltage - 15Screen Voltage ±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury

Adjustments Screen Voltage - 161. Remove the bottom housing and the top rear housing to access the flyback transformer that contains the screen volta

Adjustments Screen Voltage - 172. With the power off, remove the left ground cable from the video board.

Take Apart AirPort Card - 20 1. With a flatblade screwdriver or coin, turn the colored latch to open the access door. The antenna and AirPort Card w

Adjustments Screen Voltage - 183. Connect the jumper adjustment tool (922-4165) to the video board pin. Refer to the “Jumper Adjustment Tool” procedu

Adjustments Screen Voltage - 195. Open the Display Adjustment Utility and select the Color tab.6. Set the Contrast to maximum and the Brightness to m

Adjustments Screen Voltage - 208. Select the Gray Bars test pattern from the Pattern menu.

Adjustments Screen Voltage - 219. Looking at the Gray Bar test pattern, turn the screen voltage knob on the flyback transformer until:• the first ba

Adjustments Cutoff Adjustment - 22Cutoff Adjustment±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious i

Adjustments Cutoff Adjustment - 23• prior to the white balance adjustment• in a dimly lit room

Adjustments Cutoff Adjustment - 24Note: Set the Screen Voltage if you haven’t done so already. Refer to “Screen Voltage ” mentioned earlier in this

Adjustments Cutoff Adjustment - 253. Connect the jumper adjustment tool (see graphic). Refer to “Jumper Adjustment Tool” mentioned earlier in this se

Adjustments Cutoff Adjustment - 265. Open the Display Adjustment Utility and select the Color tab.6. Set the drive and cutoff controls to their midpo

Adjustments Cutoff Adjustment - 27used if all the color drive controls are set to zero, and the screen is completely black. The Command-R function ha

Take Apart AirPort Card - 21 2. Remove the AirPort Card by lifting the card straight up and out of the card guides and connector.

Adjustments Cutoff Adjustment - 287. Select the Gray Bars test pattern from the Pattern menu. 8. Look at the Gray Bar Test pattern. • The bars should

Adjustments Cutoff Adjustment - 299. Select the Color tab window. 10. Adjust the red, green, and blue cutoff controls until the second bar (from the

Adjustments Cutoff Adjustment - 3011.If there is a predominant color in the three bars on the left, continue adjusting the color controls accordingly

Adjustments Cutoff Adjustment - 3112. Click the Save button to save your adjustments.13. Proceed to the white balance adjustment.

Adjustments White Balance - 32White BalanceBefore you begin, make sure the:• cutoff is set correctly • monitor has been on for at least 10 minutes.•

Adjustments White Balance - 331. Open the Display Service Utility and select the Gray Bars test pattern from the Pattern menu.

Adjustments White Balance - 342. Adjust the red, green, and blue drive controls until there is no predominant color.

Adjustments White Balance - 353. Select “White” from the Pattern menu to display the all-white test pattern. 4. Hold the light meter against the cent

Adjustments White Balance - 365. Click the Save button to save your settings.6. Restart the computer and reset the parameter RAM (PRAM) to apply the

Adjustments White Balance - 37Note: If you don’t restart the computer, the iMac will display the last settings made on the iMac. 7. Open the Monitor

Take Apart AirPort Card - 22 3. Disconnect the antenna from the small hole AirPort Card.

Adjustments White Balance - 389. Click the Factory Settings button.

Adjustments Geometry Adjustments - 39Geometry AdjustmentsBefore you begin, connect the jumper adjustment tool to the video board (refer to the “Jumpe

Adjustments Geometry Adjustments - 401. Open the Display Adjustment Utility2. Select the Geometry tab.

Adjustments Geometry Adjustments - 413. Select a resolution for adjustment from the Resolution menu.Note: Don’t use the control strip or Monitors co

Adjustments Geometry Adjustments - 424. Adjust the geometry settings by moving the appropriate slider bar.5. Click the Save button to save the adjust

Adjustments Geometry Adjustments - 437. To reset the PRAM, hold down the <Command><Option><P> and <R> keys after Restart is s

Adjustments Geometry Adjustments - 4410. Click on the Factory Settings button in the Geometry window. 11.Close the Monitor control panel.Note: Rotat

Adjustments S Correction Adjustment - 45S Correction Adjustment1. Open the Display Adjustment Utility and select “White Grid” from the Pattern menu.2

Adjustments S Correction Adjustment - 463. Open the Display Adjustment Utility, and select the Geometry tab.4. If the squares need adjusting, move th

Adjustments S Correction Adjustment - 476. When all the squares look uniform on the S Correction test pattern, go back to the Geometry tab window and

Take Apart AirPort Card - 23 4. Remove the ground clip from the AirPort Adapter Card.5. Using the pull tab, separate the AirPort Card from the adapt

Adjustments S Correction Adjustment - 48Note: If you don’t restart the computer, the iMac will display the last settings made on the iMac. 8. Open t

Adjustments S Correction Adjustment - 4910. Click on the Factory Settings button in the Geometry window.Note: Before returning the iMac to the custo

Service SourceKUpgradesiMac (Early 2001)Marketing Reference: Winter 2000-2001

Upgrades - 2MemoryThe iMac (Early 2001) computer comes with a minimum of 64 MB or 128 MB of SDRAM and can be expanded to a maximum of 1 GB.Install a

Upgrades - 3Note: Place a soft towel or cloth on the desk or surface. Position the screen face down on the cloth.1. Using a flatblade screwdriver o

Upgrades - 43. Touch the EMI cover that is visible inside the recessed latch area before touching any components on the main logic board. This prote

Upgrades - 54. Push the ejector tabs on the slots outward and down so they are in the open position.

Upgrades - 65. 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. The

Upgrades - 7AirPort 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 flatblade s

Upgrades - 83. Touch the metal EMI shield inside the recessed latch area before touching any components on the main logic board.

Take Apart CD/HD Carrier - 24 CD/HD Carrier Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft su

Upgrades - 94. 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 s

Upgrades - 106. Slide the AirPort Card into the adapter card. Note: It is probably easiest to attach the metal ground clip over the AirPort Card on

Upgrades - 117. Connect the antenna by plugging the antenna wire into the small hole in the end of the AirPort Card.

Upgrades - 128. Align the edges of the AirPort Card with the guides on the AirPort Card slot. Insert the AirPort Card into the adapter Card connecto

Upgrades - 13Connect an External MonitorThe iMac (Early 2001) computers have a VGA output port for an external video monitor. The external monitor s

Upgrades - 1410. Place the computer face down, on a soft, clean cloth or ESD mat.

Upgrades - 1511.Plug the external monitor cable into the VGA output port on the back of the computer.12. Plug the monitor cable into the monitor por

Service SourceKExploded View iMac (Early 2001)Marketing Reference: Winter 2000-2001

Exploded View 2 iMac (Early 2001) Exploded ViewNote: Refer to Colored Service Parts Exploded ViewCover, VGA Out, Vented922-4280922-4317, Snow

Exploded View 3 iMac (Early 2001) Cable Locator

Take Apart CD/HD Carrier - 25 1. Remove the four screws connecting the CD/HD drive carrier to the metal chassis (also known as the divider panel).

Exploded View 4iMac (Early 2001) Screw Matrix

Exploded View 5iMac (Early 2001) Colored Service PartsKeyboard, Pro, USB922-4320Mouse, Pro922-4230 RAM Access Door922-4281 Graphite 922-4282 Snow922

Exploded View 6Power/Analog/Video BoardsThere are two part numbers in service stock for the power/analog/video board on the iMac computers (Early 2

Exploded View 7

Take Apart CD/HD Carrier - 26 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 - 27 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/CD-RW - 28 CD-ROM / DVD-ROM/CD-RW Note: The procedures for removing a CD-ROM, DVD-ROM and CD-RW are identical. This pr

Take Apart Version 2, 400 MHz Logic Board (June 2001) - 2 Version 2, 400 MHz Logic Board (June 2001) There is a Version 2, 400 MHz logic board for t

Take Apart CD-ROM / DVD-ROM/CD-RW - 29 1. Using a Phillips screwdriver, remove the CD/HD carrier mounting screws (two on each side).

Take Apart CD-ROM / DVD-ROM/CD-RW - 30 2. Carefully turn the CD/HD drive carrier over. 3. Holding onto the CD-ROM from the rear, lift the CD-ROM car

Take Apart CD-ROM / DVD-ROM/CD-RW - 31 4. Using a jeweler’s screwdriver, remove the four screws (two on each side) on the CD/DVD carrier.5. Lift the

Take Apart CD-ROM / DVD-ROM/CD-RW - 32 6. On the back of the CD-ROM, Use a jeweler’s screwdriver to remove the two screws on the adapter board.7. Re

Take Apart CD-ROM / DVD-ROM/CD-RW - 33 CD-ROM, DVD-ROM,CD-RW Module Replacement Position the drive into its carrier as shown. 1. Check that the yell

Take Apart CD-ROM / DVD-ROM/CD-RW - 34 2. Lower the CD/DVD carrier into the CD/HD carrier. 3. Push the CD/DVD carrier forward so the carrier tabs go

Take Apart CD-ROM / DVD-ROM/CD-RW - 35 5. Holding the drive carrier in the orientation shown, make sure the CD-ROM or DVD-ROM is correctly installed

Take Apart CD/DVD/CD-RW Adapter Board - 3 6 CD/DVD/CD-RW Adapter Board Before you begin, position the computer upside down, resting the computer on

Take Apart CD/DVD/CD-RW Adapter Board - 3 7 1. Using a jeweler’s screwdriver, remove the two screws on the CD/DVD adapter board.2. Remove the adapte

Take Apart Hard Drive - 38 Hard Drive Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface

Take Apart Version 2, 400 MHz Logic Board (June 2001) - 3 Thermal Pad Replacement The following logic boards utilize a thermal pad to help cool the

Take Apart Hard Drive - 39 1. Disconnect the following cables on the back of the hard drive:• Hard drive power cable• Hard drive data cable

Take Apart Hard Drive - 40 Note: The hard drive carrier shown was removed from the computer. However, you can easily remove the hard drive while t

Take Apart Hard Drive - 41 3. Slide the hard drive out of the CD/HD carrier. Note: Return the drives without the cables or carriers. Exchange Appl

Take Apart Hard Drive - 42 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 - 43 Logic Board Before you begin, position the computer upside down, resting the computer on an ESD mat or other soft surfa

Take Apart Logic Board - 44 Note: Remove SDRAM to make cable removal easier.1. On the back of the CD/HD carrier, disconnect the:• hard drive powe

Take Apart Logic Board - 45 3. Remove the six screws on the logic board and five screws on the down converter board. Note: The two screws locate

Take Apart Logic Board - 46 4. Gently lift the down converter board and logic board out of the computer.

Take Apart Logic Board - 47 5. Using a flatblade screwdriver, pry the plastic rivet off the board. Put the top half of the rivet back into the bott

Take Apart Logic Board - 48 6. Holding onto the down converter, press down on the black connector to separate the down converter board from the log

Take Apart Version 2, 400 MHz Logic Board (June 2001) - 4 The take apart procedures for the iMac (Early 2001) computers are identical to take apart

Take Apart Logic Board - 49 Thermal Pad Information The thermal pad prevents the microprocessor from overheating. It is crucial that a fresh therma

Take Apart Logic Board - 50 Thermal Pad Installation 1. Pull the old thermal pad from the microprocessor.2. Remove the protective backing from eith

Take Apart Logic Board - 51 5. Install the logic board back on to the divider panel. Note : Avoid unnecessary contact with either side of the therm

Take Apart Down Converter Board - 52 Down Converter Board Before you begin, position the computer upside down, resting the computer on an ESD mat o

Take Apart Down Converter Board - 53 Note: Remove SDRAM to make cable removal easier.1. On the back of the CD/HD carrier, disconnect the:• hard d

Take Apart Down Converter Board - 54 3. Remove the six screws on the logic board and five screws on the down converter board. Note: The two down

Take Apart Down Converter Board - 554. Lift the boards out of the computer.

Take Apart Down Converter Board - 565. Using a flatblade screwdriver, pry the rivet off the logic board.Put the top half of the rivet back into the

Take Apart Down Converter Board - 576. Holding onto the boards, press down on the black connector and separate the down converter board from the log

Take Apart Modem - 5 8ModemBefore you begin, position the computer upside down, resting the computer on an ESD mat or other soft surface and remove

Take Apart Version 2, 400 MHz Logic Board (June 2001) - 5 Tools The following tools are recommended for the take apart procedures: • phillips screwd

Take Apart Modem - 5 91. 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 - 6 03. Turn the logic board to the underside and remove the modem screw.

Take Apart Modem - 6 14. Rotate the logic board right side up again. Carefully slide the I/O panel off the logic board.Note: As you slide theI/O pa

Take Apart Modem - 6 2Modem ReplacementThe I/O panel and the modem are sandwiched between the logic board and the metal frame of the I/O panel. The

Take Apart I/O Panel - 63I/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 - 641. 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 - 653. Turn the logic board over and remove the modem screw.

Take Apart I/O Panel - 664. 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 - 67Front Outer BezelBefore you begin, place the computer on an ESD mat and remove the bottom housing.

Take Apart Front Outer Bezel - 681. With a jeweler’s screwdriver, carefully remove the two tabs on the front outer bezel. Refer to the next graphic f

Take Apart Bottom Housing With Flip Foot - 6 Procedures Bottom Housing With Flip Foot Before you begin, position the computer face down, resting the

Take Apart Front Outer Bezel - 692. After removing the tabs, remove the screws located under the tabs.

Take Apart Front Outer Bezel - 70Note: 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 - 716. As the tabs start to release, pull hard on the front outer bezel to release the tabs completely.

Take Apart Top Rear Housing - 7 2Top Rear Housing±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious i

Take Apart Top Rear Housing - 7 31. Remove the two tabs (screw caps) on the top inner bezel. Refer to the next page for a close-up of the tab remov

Take Apart Top Rear Housing - 7 42. Pry the tabs off, and remove the two screws under each tab.

Take Apart Top Rear Housing - 7 53. Position the computer face down. 4. Remove four screws and loosen the fixed screw (at the top) on the rear hous

Take Apart Top Rear Housing - 7 65. Position the computer right side up. Push down and pull out on the rear housing to unhook the rear housing tabs

Take Apart Top Rear Housing - 7 76. Lift the top rear housing off the computer.

Take Apart Divider Panel - 78Divider Panel Many service parts, such as the speakers, power/analog/video board, side panels, cables, and the headphone

Take Apart Bottom Housing With Flip Foot - 7 1. Using a plastic flatblade screwdriver, remove the VGA vented cover.2. Remove the two screws near the

Take Apart Divider Panel - 79The thermal pad (A) and the divider panel(B) are used on the following logic boards:• 661-2509, 400 MHz, Version 2 • 66

Take Apart Power/Analog/Video Board - 80Power/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 - 81±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, disc

Take Apart Power/Analog/Video Board - 824. 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 - 836. Open the CRT cable clamps. Remove the wires from the cable clamps.

Take Apart Power/Analog/Video Board - 847. 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 - 858. 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 - 869. 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 - 8710. 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 - 8811. Disconnect the two ground cables on the video board. Important: Be careful when working around the CRT n

Take Apart Bottom Housing With Flip Foot - 8 3. Remove the video out access door from the bottom housing.

Take Apart Power/Analog/Video Board - 8912. Loosen the CRT neck clamp screw.

Take Apart Power/Analog/Video Board - 9013. Carefully pull the video board off the CRT neck.

Take Apart Power/Analog/Video Board - 9114. Holding on to the side panels, lift the power/analog/video board (which is attached to the side panels an

Take Apart Power/Analog/Video Board - 9215. Remove the ten screws and pinch the two standoffs with a needlenose pliers to lift the power/analog board

Take Apart Power/Analog/Video Board - 9316. Lift the board from the flyback transformer side to clear the power plug from the side panel. 17. Pull th

Take Apart Power/Analog/Video Board - 94Identifying Power/Analog/Video BoardsThere are two power/analog/video boards in service stock. The part numbe

Take Apart Power/Analog/Video Board - 95Switch InstructionsIf the computer has the analog board with the switch, the switch must be set for the type

Take Apart Power/Analog/Video Board - 96LG CRTIdentify an LG CRT by the black plastic molding located on the CRT neck. The LG molding has the LG name

Take Apart Power/Analog/Video Board - 97CPT CRTIdentify a CPT CRT by the black plastic molding located on the CRT neck. The CPT molding has two holes

Take Apart Side Panels - 9 8Side Panels±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, disc