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Apple IMAC DV, IMAC DV SPECIAL - page 21

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iMac Logic Board

Contents

Main Page Page Overview Product Description Page New Technologies AirPort Wireless Networking FireWire Page Page Page Page Page iMac Models Comparison L2 Cache CPU Speed Page Page Page Page Page Page Page Page Repair Strategy/Warranty Strategy and Ordering USA Ordering Warranty Page Page Introduction Page Introduction Troubleshooting Block Diagram - 2 Block Diagram Page Testing for Power At the AC Outlet At the Logic Board Page Page Testing the Power/Analog Board Fuse The PMU Chip Resetting the PMU on the Logic Board Power-On Self Test iMac Procedure Products affected Verifying a Defective Power/Analog/Video Board Page Page Power Button Table 2: Keyboard Button Functionality Table 1: iMac Power On Button Functionality Logic Board Battery Ejecting a CD or DVD Disc, Part 1 Ejecting a CD or DVD Disc, Part 2 HFS Plus Formatted Drives Testing the Modem Page Symptom/Cure Tables:Startup Problems Before the Finder Appears No Power Page No Video or Unstable Raster Page Gray Screen Error Beep(s) Flashing Question Mark System Hangs During Boot Page Symptom/Cure Tables: System Problems After Startup System Hangs Distorted Video Thin White Line Tinting Video Garbage Video Intermittent Shut Down or Sleep Memory Error Dialog Cant Wake From Sleep Network Problems Page CD-ROM or DVD-ROM Wont Eject Page CD-ROM or DVD-ROM Not Showing on Desktop Hard Drive Problems Sound Out Problems Sound In Problems Page USB Problems Page Cursor Problems USB Printer Problems Networked Printer Problems Page Page Page Tools Page Page Page Page Page Page Page Page Page Page Page Page AirPort Card Page Page Page Page Page Page Page Page CD-ROM / DVD-ROM Page Page Page Page Manual Eject Button Page Page Page Page Page Page Hard Drive Page Page Page Logic Board Page Page Page Page Page Identifying 350 MHz Logic Boards (661-2210) Page Page Identifying the 400 MHz Logic Boards Down Converter Board Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Replacing the CRT CRT Notice, July 2005 Page Page Page Switch Settings for the LG CRT Page Page Page Page Adjustment Tools Light Meter Setup Model R77 Page Page Page Page Page Focus Adjustment Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page White Balance Page Page Page Page Page Page Page Page Page Page Page Page S Correction Adjustment Page Page Page Page Sticking Power Button Page Page Page Page Page Page Page Inner Bezel Sanding Reimbursement Procedure Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page iMac Procedure Products affected Verifying a Defective Power/Analog/Video Board Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page CRT Switch Settings on the Rev. 2 Analog Board Page Page Page Page Page Page Page Page Page Page CD-ROM / DVD-ROM Page Page Page Page Manual Eject Button Page Page Page Page Page Page Hard Drive Page Page Page Logic Board Page Page Page Page Page Identifying 350 MHz Logic Boards (661-2210) Page Page Identifying the 400 MHz Logic Boards Down Converter Board Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Inner Bezel Sanding Reimbursement Procedure Page Page Memory Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Exploded View 1 iMac, iMac DV, iMac Special Edition Exploded View Click part to go to parts database (only in html version). Exploded View 2 Colored Service Parts Click part to go to parts database (only in html version). Exploded View 3 Cable Locator Click part to go to parts database (only in html version). Exploded View 4 Screw Matrix Identifying 350 MHz Logic Boards