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Table Of Contents - Acer PD721 Service Manual

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Chapter 1
System Introduction........................................................................... 1
Technical Specification................................................................................................. 1
Product Overview......................................................................................................... 3
System Block Diagram............................................................................................... 6
Chapter 2
Firmware Upgrade.............................................................................. 10
Setup Procedure.................................................................................................. 11
Upgrading Procedure............................................................................................ 11
Chapter 3
Machine Disassembly and Replacement................................................ 17
Tool Needed......................................................................................................... 17
General Information.............................................................................................. 17
Removing Top Cover Module, Keypad Board and Speaker........................................ 18
Removing AV Module and Connector Board............................................................ 20
Removing Lamp Ballast and Power Supply..............................................................21
Removing Lamp Module and Thermal Board............................................................ 22
Removing Fan Module and Front End Board............................................................23
Removing Formatter Board.................................................................................... 24
Removing Engine Module...................................................................................... 25
Troubleshooting........................................................................................... 26
Equipment Needed.............................................................................................. 26
Function Test and Alignment Procedure................................................................ 32
Test Display Modes and Patterns......................................................................... 33
Inspection Procedure......................................................................................... 37
FRU (Field Replaceable Unit) List ...................................................... 39
Main Procedure.......................................................................................... 27
Power Troubleshooting................................................................................ 28
Performance Troubleshooting.......................................................................29
Function Troubleshooting............................................................................ 30
Audio Troubleshooting.................................................................................31
Remote Control Troubleshooting.................................................................. 31
Equipment Needed.................................................................................... 32
Test Condition...........................................................................................32
Compatible Modes.................................................................................... 33
Function Test Display Pattern.................................................................... 35

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