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5260, 5280 manual Adjustments Power Supply Adjust control R828 so
Models:
5260
5280
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Troubleshooting
Install
Symptom Charts
Replacement Note Insert
Warranty
Chassis/Wiring Harness
Cuda Chip Reset
Diagnostics
Light Meter Setup
Additional Procedures
Page 214
Image 214
5260 and 5280 Adjustments
Power Supply - 31
3 Adjust control R828 so
R828
that the voltmeter reads
110 VDC.
Page 213
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Contents
Power Macintosh/Performa 5260, 5280 Series
Basics
System Overview
5260/120
Service Strategy
Ordering
Warranty and AppleCare
Diagnostics
Design for Serviceability
User Controls
Internal Expansion Connections
Intelligent Device Electronics IDE Hard Drive
Processor Direct Slot PDS
Video-In Card
Mpeg Card
TV Tuner Module
TV/FM Radio Tuner Card
Page
Page
Page
External Video Connector
Apple Presentation System
Cuda Chip
CRT and Degauss Frame
Front View
Rear View
Panel
5260/5280 Logic Board
Specifications
Processor
CPU
Memory
Disk Storage
Interfaces
Sound Output
TV Tuner
Devices
Sound and Video
Sound Generator
Built-in Video
Monitor Timings 640x480 Resolution At 60 Hz
Monitor Timings 640x480 Resolution At 66.67 Hz
Monitor Timings 800x600 Resolution At 60 Hz
Monitor Timings 800x600 Resolution At 72 Hz
External Video Connector Optional
Electrical
Weight
Physical
Temperature
Environmental
Troubleshooting
General
First Checklist
Symptom Charts
System
System
Page
Audio
Page
Video
Page
Page
Screen
Page
Page
Page
Floppy Drive
Page
Hard Drive
XXX
CD-ROM Drive
Page
Page
Peripheral
Cannot
Page
Miscellaneous
Screen
Page
Page
Take Apart
Drive and Control Bezel
Page
Replacement Note Insert
Floppy Drive
Page
Page
Page
CD-ROM Drive
Page
Page
Replacement Note Retain
Front Panel Control Board
Page
Replacement Note Using a
Replacement Note Tilt
Replacement Note
Door
Take Apart Door Remove the two security Screws
Swing the door down until it snaps closed
Logic Board
Page
Page
Page
Replacement Note Verify
Replacement Note Align
Rear Housing
Page
Page
±Warning This step
Front Bezel
Page
Replacement Note Guide
Internal Microphone
Take Apart Internal Microphone LIft off the microphone
Rear EMI Shield
Page
Page
Page
Speakers
Page
Take Apart Speakers Tilt the speaker Remove it
Take Apart Speakers
Take Apart Hard Drive
Page
Replacement Caution Some
Page
TV Tuner
Page
Page
Power Supply
Page
Page
Page
Page
Video Board
Page
P901 2PIN P902 1PIN
Analog Shield
Page
Page
Analog Board
Page
Page
Page
Take Apart Analog Board
Microphone Connector
Fan
Page
Page
Tilt/Swivel Base
Page
Tabs at the front of the tilt
CRT
Page
Page
Page
Take Apart CRT
Chassis/Wiring Harness
Page
Upgrades
TV or TV/FM Tuner
Page
Page
Simm Upgrade
Page
Communications Card Installation
Upgrades Communications Card Installation
Through
Replacement Note If you
Insert the card connector
UpgradesExternal Video Connector
Upgrades External Video Connector
Upgrades External Video Connector
Upgrades External Video Connector Insert the slotted metal
Upgrades External Video Connector Insert the connector end
Page
Installation
L2 Cache
LC PDS Card
Additional Procedures
Battery
Verification
Additional Procedures Battery Verification
Replacement
Page
Cuda Chip Reset
Logic Board Reset
Page
Additional Procedures Logic Board Reset
Page
Adjustments
Light Meter Setup
Model R77
Page
Page
Page
Model L-248
Model
Geometry
5280 Adjustments Geometry
Horizontal Shift
Vertical Shift
Horizontal Size
Vertical Size
Focus
Convergence
YHC Control YV Control
Geometric Distortion
Pincushion Control E/W Keystone Control R438
Video
5280 Adjustments Video
Following adjustments
Run Display Service Utility Gray Bars Test Pattern R437
Adjust the Screen
Screen
5280 Adjustments Video Run Display Service
R910 R940 Gray Bars Test Pattern
5280 Adjustments Video Open the Screen control
If the screen shows a
Run Display Service Utility All-White Screen Test Pattern
R500 Sub-Brightness Control
5280 Adjustments Power Supply
5280 Adjustments Power Supply Adjust control R828 so
Exploded View
Exploded View
