Apple imac 17in 1ghz Servicehandbuch

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© 2003 Apple Computer, Inc. All rights reserved.
 
 
 
 
Service Source
iMac (17-inch Flat Panel, 1GHz)
 
                                                                                   

Zusammenfassung der Spezifikationen servicehandbuch für Apple imac 17in 1ghz

  • Seite 1: iMac (17-inch Flat Panel, 1GHz)  Service Source iMac (17-inch Flat Panel, 1GHz) © 2003 Apple Computer, Inc. All rights reserved.
  • Seite 2iMac (17-inch Flat Panel, 1GHz) -1
  • Seite 3: Take Apart  Service Source Take Apart iMac (17-inch Flat Panel, 1GHz) © 2003 Apple Computer, Inc. All rights reserved.
  • Seite 4 General Information Overview Some of the key features that distinguish this computer from the earlier iMac (Flat Panel) models...
  • Seite 5 Service Stand 1. Support the computer by neck and the base (A). Gently position the computer in the service...
  • Seite 6 User Access Plate Tools This procedure requires the following tools: • Phillips #0 screwdriver Part Location Preliminary Steps Before...
  • Seite 7 Procedure 1. Loosen the four captive screws on the access panel. 2. Remove the panel by grabbing onto two...
  • Seite 8 AirPort Extreme Card Tools This procedure requires no tools. Part Location Preliminary Steps Before you begin, do the following:...
  • Seite 9 Procedure 1. Unplug all cables from the computer except the power cord. 2. Important: To avoid electrostatic discharge, always...
  • Seite 10 Memory, SO-DIMM (user- installable) Tools No tools are required for this procedure. Part Location Preliminary Steps Before you begin,...
  • Seite 11 Procedure 1. Unplug all cables from the computer except the power cord. 2. Important: To avoid electrostatic discharge, always...
  • Seite 12 6. Allow the memory to pop up slightly, and pull it out of the memory slot. Memory, SO-DIMM (user-installable)...
  • Seite 13 Bottom Housing Tools This procedure requires the following tools: • Torx-15 screwdriver Part Location Preliminary Steps Before you begin,...
  • Seite 14Procedure 1. When opening the bottom housing, rotate the base so the optical drive door is on the right. (This...
  • Seite 15 3. Gently open the bottom housing in the direction of the arrow. Disconnect the cables. 12 - iMac (17-inch...
  • Seite 164. Disconnect the following: A Grounding screw B Bluetooth connector (if present) C AirPort connector D AC line filter connector...
  • Seite 17 Thermal Paste Application Tools This procedure requires the following tools: • Plastic stylus or plastic spatula to remove the...
  • Seite 18 Procedure 1. Thoroughly clean the original thermal film from the mating surfaces (circled below) of the bottom housing and...
  • Seite 19 3. Replace the bottom housing. Warning: The bottom housing has four torx screws that must be tightened to at...
  • Seite 20 RJ-11 Modem Filter Board Tools This procedure requires the following tools: • Torx-6 screwdriver Part Location Preliminary Steps Before...
  • Seite 21 Procedure 1. Remove two screws and disconnect the cable from the modem. 2. Remove the RJ-11 board from the...
  • Seite 22 Modem Tools This procedure requires the following tools: • Torx-8 screwdriver Part Location Preliminary Steps Before you begin, do...
  • Seite 23 Procedure 1. Remove two screws and disconnect the cable. 2. Lift the modem board from the connector on the...
  • Seite 24 Memory (factory-installed) Tools This procedure requires the following tools: • No tools are required Part Location Preliminary Steps Before...
  • Seite 25 Procedure 1. Push down on the ejector tabs to release the memory module. 2. Pull the memory up and...
  • Seite 26 Battery Tools This procedure requires the following tools: • No tools are required Part Location Preliminary Steps Before you...
  • Seite 27 Procedure 1. Using a flatblade screwdriver, gently pry the battery from the battery holder. Warning: Whenever the bottom housing...
  • Seite 28 Logic Board Tools This procedure requires the following tools: • Phillips #2 screwdriver (for the plastic screw) • Torx-15...
  • Seite 29 Procedure 1. Remove the three torx screws (metal) and one plastic screw. 26 - iMac (17-inch Flat Panel, 1GHz)...
  • Seite 30 2. Grab the logic board by the battery retainer and the hard drive connector. Lift the board slightly and...
  • Seite 31 Bluetooth Board, Wireless Tools This procedure requires the following tools: • Phillips #2 jeweler’s screwdriver Part Location Preliminary Steps...
  • Seite 32 Procedure 1. Ground yourself. Remove the AirPort card and SO-DiMM memory (if present). 2. Remove the logic board protective...
  • Seite 33 3. Remove the two screws (circled below) on the Bluetooth board. Peel back the Kapton tape to release the...
  • Seite 34 I/O Port Covers Tools This procedure requires the following tools: • No tools are required Part Location Preliminary Steps...
  • Seite 35 Procedure 1. Gently pull the I/O port covers off the logic board. Warning: Whenever the bottom housing is opened...
  • Seite 36 AirPort Antenna Extension Cable Tools This procedure requires the following tools: • No tools are required Part Location Preliminary...
  • Seite 37 Procedure 1. Release the extension cable from the plastic cable clips to remove the cable from the bottom housing....
  • Seite 38 Thermal Pad Installation Tools • No tools are required. • Thermal pad kit (076-0925) Part Location Warning: Whenever the...
  • Seite 39 Procedure 1. Remove the old thermal pads from the bottom housing. Note: If you don’t see the two thermal...
  • Seite 40 AC Line Filter Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before you...
  • Seite 41 Procedure 1. Peel the black insulator on the bottom housing back to access the AC line filter screws. 2....
  • Seite 42 Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original...
  • Seite 43 Drive Carrier Assembly (Optical and Hard Drive) Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location...
  • Seite 44 Procedure 1. Rotate the base unit so the optical drive door is facing to the right. 2. Remove six...
  • Seite 45 3. Remove the Airport and Bluetooth antennas from the plastic clip on the side of the drive carrier. 42...
  • Seite 46 4. Grasp the carrier by the top and bottom edges. Wiggle the drive carrier out of the chassis pulling...
  • Seite 47 6. To remove the hard drive from the carrier, peel the white wrapper up to access the screws (two...
  • Seite 48Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original thermal...
  • Seite 49 Power Supply Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before you begin,...
  • Seite 50 Procedure 1. Remove the two power supply screws circled below. Power Supply iMac (17-inch Flat Panel, 1GHz) Take Apart...
  • Seite 51 2. Open the optical drive door as shown. Support the metal plate and power supply as you remove the...
  • Seite 52 3. Lift the power supply and metal shield out of the chassis (Faraday cage). 4. Replacement Note: When replacing...
  • Seite 53 Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original...
  • Seite 54 Optical Drive Door Tools This procedure requires the following tools: • Torx-10 screwdriver • Needlenose pliers Part Location Preliminary...
  • Seite 55 Procedure 1. Remove four screws on the power supply shield. Set the shield aside. Important: The two screws near...
  • Seite 56 2. Slide the optical door guide off the chassis and the door hinge tabs (circled). 3. Carefully remove the...
  • Seite 57 4. Remove the door hinge screws. 5. Open the door. 54 - iMac (17-inch Flat Panel, 1GHz) Take Apart...
  • Seite 58 6. Slide the door and hinge off the chassis. Warning: Whenever the bottom housing is opened for service, you...
  • Seite 59 Speaker, Internal Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before you begin,...
  • Seite 60 Procedure 1. Loosen the two screws enough to slide the speaker off the metal posts. Disconnect the speaker cable....
  • Seite 61 Fan Tools This procedure requires the following tools: • Torx-15 screwdriver Part Location Preliminary Steps Before you begin, do...
  • Seite 62 Procedure 1. Remove the two fan screws and disconnect the fan connector. 2. Pull the fan out of the...
  • Seite 63 Power Supply Insulators Tools No tools are required for this procedure. Part Location Note: Insulator color and transparency may...
  • Seite 64 Procedure 1. Carefully pull the insulators from the chassis (Faraday cage). These are attached to the chassis with double-sided...
  • Seite 65 Fan Retainer Bracket (under fan) Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps...
  • Seite 66 Procedure 1. Remove the four screws connecting the fan bracket to the chassis (Faraday cage). 2. Lift the fan...
  • Seite 67 Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original...
  • Seite 68 Fan Gasket Tools No tools are required for this procedure. Part Location Preliminary Steps Before you begin, do the...
  • Seite 69 Procedure 1. Remove the fan retainer bracket and turn it over. Gently peel the fan gasket off the back...
  • Seite 70 Cap, Neck Spoke Retainer Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before...
  • Seite 71 Procedure 1. Before removing the neck cap screws, note the cable routing, including the location of the empty spoke....
  • Seite 72 Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original...
  • Seite 73 Chassis (Faraday Cage) Tools This procedure requires the following tools: • Torx-10 screwdriver • Torx-8 screwdriver for the logo...
  • Seite 74 • Remove the power supply. • Remove the fan. • Remove the plastic cable retainer (under the fan). •...
  • Seite 75 2. Carefully feed the neck cables through the hole in the Faraday cage. Important: The Faraday cage is very...
  • Seite 76 3. Pull the outer shell (with Faraday attached) away from the neck.Note: There is no need to remove the...
  • Seite 77 Replacement Notes: Faraday cage: Look at the exploded view diagram during reassembly. First, attach the Faraday top cover to...
  • Seite 78 AirPort Antenna Tools This procedure requires the following tools: • Torx-8 screwdriver Part Location Preliminary Steps Before you begin,...
  • Seite 79 • Remove the fan bracket under the fan. • Remove the neck spoke retainer cap. • Remove the blind...
  • Seite 80 Procedure 1. Remove the mounting screw and unclip the board from the Faraday cage. Remove any tape, and carefully...
  • Seite 81 Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original...
  • Seite 82 2. Feed the antenna wires through the hole in theFaraday cage and position the wires against the Faraday cage...
  • Seite 83 Housing, Outer Shell, Plastic Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before...
  • Seite 84 • Remove the neck spoke retainer cap. • Remove the blind mate connector screws. Housing, Outer Shell, Plastic iMac...
  • Seite 85 Procedure 1. Remove the two black screws that connect the neck to the base. 2. Carefully feed the neck...
  • Seite 86 3. Next, carefully separate the outer plastic housing from the neck. 4. Remove one screw in the base of...
  • Seite 87 Warning: Whenever the bottom housing is opened for service, you must do two things: 1.You must clean the original...
  • Seite 88 Display, Flat Panel Tools This procedure requires the following tools: • 1.5 mm hex tool • Torx-10 screwdriver Important:...
  • Seite 89 Procedure 1. Remove three screws that connect the back cover to the flat panel LCD display. 86 - iMac...
  • Seite 90 2. Support the back cover and pull back the display (as shown) to separate it from the base. Display,...
  • Seite 91 3. Caution: The power on LED cable (labelled A below) is fragile. When disconnecting display cables, be sure to...
  • Seite 92 5. Disconnect the TMDS connector by squeezing the clip (1) on each side of the connector. Gently pull the...
  • Seite 93 7. Remove four screws that connect the LCD display panel to the display bezel. Peel back the tape on...
  • Seite 94 Replacing the Display 1. After connecting the display cables, position the display into the rear housing. Place the display...
  • Seite 95 3. Check the alignment of the rear housing and the flat panel display. If the display doesn’t slide into...
  • Seite 96 Inverter Tools This procedure requires no tools. Part Location Preliminary Steps Before you begin, do the following: • Position...
  • Seite 97 Procedure 1. Remove the tape (circled below) and disconnect the cables. Peel back the edge of the EMI shield...
  • Seite 98 LED Note: Do not remove the LED from the bezel. The LED is part of the display bezel (922-...
  • Seite 99 Microphone Note: Do not remove the microphone from the bezel. The microphone is part of the display bezel (922-5297);...
  • Seite 100 Back Cover, Display Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before you...
  • Seite 101 Procedure 1. Note the position of the inverter (A), TMDS (B), microphone (C), and LED (D) cables. Remove four...
  • Seite 102 Neck Assembly Tools This procedure requires the following tools: • Torx-10 screwdriver Part Location Preliminary Steps Before you begin,...
  • Seite 103 • Remove the fan bracket. • Remove the neck spoke retainer cap. • Remove the blind mate connector screws....
  • Seite 104Neck Assembly iMac (17-inch Flat Panel, 1GHz) Take Apart - 101
  • Seite 105: Troubleshooting  Service Source Troubleshooting iMac (17-inch Flat Panel, 1GHz) © 2003 Apple Computer, Inc. All rights reserved.
  • Seite 106 General Information Overview: Some of the key features that distinguish this computer from the earlier iMac (Flat Panel) models...
  • Seite 107 have new thermal paste applied each time the bottom housing is removed. If the mating surfaces are not cleaned...
  • Seite 108Logic Board, Top General Information iMac (17-inch Flat Panel, 1GHz) Troubleshooting - 3
  • Seite 109 Logic Board, Bottom 4 - iMac (17-inch Flat Panel, 1GHz) Troubleshooting General Information
  • Seite 110I/O Ports The PMU Chip The PMU (Power Management Unit) is a microcontroller chip that controls all power functions for...
  • Seite 111 Resetting the PMU on the Logic Board Resetting the PMU (Power Management Unit) on the logic board can resolve many...
  • Seite 112Diagnostic Test Points The iMac has four test points and one ground pad on the bottom of the logic board...
  • Seite 113 Logic Board Battery Important: Apple highly recommends removing the battery when handling the logic board. Make sure to use proper...
  • Seite 1144. Connect the power cord and power up the system again. Warning: Whenever the bottom housing is opened for service,...
  • Seite 115 Thermal Paste Application The following instructions explain how to apply thermal paste to the thermal pipe in the iMac (17-inch...
  • Seite 116Procedure 1. Thoroughly clean the original thermal film from the four mating surfaces circled below. Use a plastic stylus to...
  • Seite 117 Thermal Pad Replacement Instructions Whenever the logic board is separated from the bottom housing, you must install new thermal pads...
  • Seite 118 Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this chapter will help you diagnose...
  • Seite 119 No Power No fan, no hard drive noise, and the screen is black. 1. Verify the power outlet is good....
  • Seite 12011. Remove the bottom housing. Check that all the cables on the logic board are securely connected. Pay special attention...
  • Seite 121 No Video Screen is dark, fan is running and the hard drive is spinning. You may hear the startup chime...
  • Seite 122No LED LED on the display bezel does not light up Note: The LED does not light up when the...
  • Seite 123 Display LED on the display bezel does not light up Note: The LED does not light up when the power...
  • Seite 1243. Loosen the screws under the metal cable retainer and tilt the screen the opposite direction of the tilt. 4....
  • Seite 125 When displaying a single color over the screen area, the LCD panel shows one or more pixels that are not...
  • Seite 126Hard Drive Hard Drive won’t mount to the desktop 1. Disconnect any connected peripherals. 2. Boot from the system CD...
  • Seite 127 Optical Drive Optical drive won’t mount to the desktop 1. Try cleaning the disc. If it is dirty or scratched,...
  • Seite 128Sound Out No sound from either internal or external speakers 1. Verify volume setting is correct in system preferences. 2....
  • Seite 129 Sound In No sound is recorded 1. Check setup of the system preferences for the microphone. 2. Check the microphone...
  • Seite 130Error Beep(s) Computer beeps at startup. 1. RAM expansion DIMMs for the iMac must be PC133 compliant and use SDRAM...
  • Seite 131 Modem No modem dial tone 1. Verify known-good analog (not digital) telephone line. 2. Verify known-good RJ-11 telephone cable. 3....
  • Seite 132I/O Ports Difficulty Plugging in an Ethernet Cable Note: The Ethernet port on an iMac (Flat Panel, 1GHz) has a...
  • Seite 133: Upgrades  Service Source Upgrades iMac (17-inch Flat Panel, 1 GHz) © 2003 Apple Computer, Inc. All rights reserved.
  • Seite 134 Memory, SO-DIMM Tools • #0 Phillips screwdriver. Part Location This computer uses double-data rate (DDR) memory. Memory from previous...
  • Seite 135 Procedure Opening the Computer Warning: The computer must be turned off before RAM modules are removed or inserted. To...
  • Seite 136 4. Loosen the four captive screws at the base of the computer and gently remove the access panel. Memory,...
  • Seite 137 Important: To avoid electrostatic discharge, always ground yourself by touching metal before you touch any parts or install any...
  • Seite 138 Installing the Memory Module Note: If you are replacing a defective memory module, rather than adding a module, remove...
  • Seite 139 Closing the Computer 1. Replace the access panel and the four screws. 2. Reconnect all cables and restart the...
  • Seite 140 AirPort Extreme Card Tools • #0 Phillips screwdriver to remove the user access panel. Part Location AirPort Extreme Card...
  • Seite 141 Opening the Computer Warning: Always shut down your computer before opening it to avoid damaging its internal components or...
  • Seite 142 3. Loosen the four captive screws at the base of the computer and gently remove the access panel. AirPort...
  • Seite 143 Important: To avoid electrostatic discharge, always ground yourself by touching metal before you touch any parts or install any...
  • Seite 144 Installing the AirPort Extreme Card Note: If you are replacing a defective AirPort Extreme Card, rather than adding a...
  • Seite 145 Closing the Computer 1. Replace the access panel and tighten the four captive screws. 2. Reconnect all cables and...
  • Seite 146AirPort Extreme Card iMac (17-inch Flat Panel, 1GHz) Upgrades - 13
  • Seite 147: Views  Service Source Views iMac (Flat Panel, 1GHz) © 2003 Apple Computer, Inc. All rights reserved.
  • Seite 148 Exploded View, (1GHz) Top Housing, Base 922-5797 Fan Gasket 922-4762 Fan Bracket 922-5092 Cap, Spoke 922-5314 Chassis (Faraday) 922-5803...
  • Seite 149 Display Panel, (1GHz) Housing, Rear Display (Back Cover and Shield) 922-5299 Deflector, Wire, Display 922-5300 Inverter Assembly 922-5298 17"...
  • Seite 150I/O Ports Views - 3
  • Seite 151 Screw Matrix Locator 1 of 7 Bottom Housing Bolts (4) T-15, 922-5104 Grounding Screw to Faraday (1) T-15, 922-4714...
  • Seite 152 Screw Matrix Locator 2 of 7 Speaker (2) T-10, 922-4709 Hard Drive to Carrier to Assy (4) T-10, 922-5105...
  • Seite 153 Screw Matrix Locator 3 of 7 Metal DVD Shield (2) T-10, 922-4707 Fan (2) T-15, 922-4710 Door Hinge (2)...
  • Seite 154Screw Matrix Locator 4 of 7 Bluetooth Board (2) Phillips #1, 922-xxxx Faraday Under Logo (1) T-8, 922-4706 White Plastic...
  • Seite 155 Screw Matrix Locator 5 of 7 White, Plastic Neck Cable Retainer (4) T-10, 922-5112 PostScript error ( LCD Bezel...
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