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Apple 500, 575, 577, 560, 550, 578 manual Push out the two latches Remove the fan assembly

Models: 575 577 560 578 500 550

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Troubleshooting Install Symptom Charts Speaker Wires Dimension Light Meter Setup Hard drive connector Chassis Harness Assembly Battery Hook-and-Loop Fastener Additional Procedures

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Take Apart	Fan - 5
Latch	Push out the two latches and
	remove the fan assembly.

Fan

Latch

Page 39 Page 41

Image 40

Apple 500, 575, 577, 560, 550, 578 manual Push out the two latches Remove the fan assembly

Page 39 Page 41

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Contents

Performa 500 Series Basics Product Information Identifying Features Speciﬁcations Performa 550 ProcessorPerforma 575, 577 Coprocessor Memory Vram Floppy Drive Hard Drive Disk StorageCD-ROM Drive Serial InterfacesApple Desktop Bus Sound Communications Slot Perf 575,577 578 Keyboard DevicesMouse Microphone Speaker Sound and Video Sound Generator Video Display Line Voltage Frequency Maximum Power Electrical Weight DimensionsPhysical Temperature Storage Temperature Relative HumidityEnvironmental Operating Troubleshooting General Symptom Charts Video Video Video Video Video Video Video Floppy Drive Floppy Drive Hard Drive CD-ROM Drive Peripheral Troubleshooting Symptom Charts/Peripheral Peripheral Miscellaneous Miscellaneous Take Apart Rear Housing Center Ground Pin Take Apart Fan Push out the two latches Remove the fan assembly Analog Board Take Apart Analog Board Internal Microphone Connector High Voltage Areas Cable Retainer Sure to pull the CRT Replacement Note Perform Door Tab Door Logic Board Drive Bezel Latch Drive Bezel Floppy Drive Floppy Drive Latch Replacement Note Be Floppy Drive Manual-inject CD-ROM Drive CD-ROM Pull out the CD connector adapter and the CD audio adapter Replacement Note Hard Drive Hard Drive Latch Hard drive connector Replacement Note Replace Chassis Harness Assembly Bulletins/Safety Chassis Harness Take Apart Strategy Identifying the Chassis Harness AssemblyBackground Page Service Parts Now Available for Chassis 922-1824 Service Parts Now Available for Chassis Chassis Harness Take Apart Procedures EMI Shields Speaker Assembly Speaker Wires Page Front Panel Control Board Logic Board Connector and Cable Assembly Floppy Drive Connector Page Take Apart Chassis Harness Assembly Assembly as shown Logic Board Connector Cable Assembly Page Page Page Take Apart CRT Mounting Screws Degauss PanelDegauss Replacement Note Be sure Internal Microphone CRTPage Sure the rubber gasket Front Bezel Never use a grounding Upgrades Macintosh Processor Upgrade Page Page Processor Upgrade board Installation Procedure Overview Remove the 68LC040 Processor from Logic Board Shows the proper way to Page Install the 68LC040 Processor on SpacerUpgrade Board Page 68LC040 Processor Page 040 Processor Small Gap Barrel Spacer Sockets Prepare the Upgrade and Logic Boards for Installation Apply heavy pressure Hook-and-Loop Fastener Battery Hook-and-Loop Fastener Install the Upgrade Board Upgrades Upgrade board Page Logic Board Upgrade Board Returns Additional Procedures Battery Verification Additional Procedures Battery Verification Battery Replacement Additional Procedures Battery Replacement Page Adjustments Geometry Page Vertical Center Horizontal Center Vertical Size Horizontal Size Page Focus Video CRT or the analog board Cutoff Page Page Test pattern is White Balance Midrange Procedure. If you notice a BB background Pattern Page Light Meter Setup Model R77Page Page Page Model L-248 Model Convergence Crosshatch I test Adjustments Convergence Geometric Distortion Crosshatch Horizontal Bow Pin Phase Vertical Angle Page Analog Board Yoke Adjustments Yoke Plastic Yoke Collar Replace the rear Exploded View Exploded View

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