Acer PD721 Technical Information download pdf (Page 7)

Table of Contents

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

Chapter 4 Troubleshooting........................................................................................... 26

Equipment Needed.............................................................................................. 26

Main Procedure..........................................................................................27

Power Troubleshooting................................................................................28

Performance Troubleshooting.......................................................................29

Function Troubleshooting............................................................................ 30

Audio Troubleshooting.................................................................................31

Remote Control Troubleshooting.................................................................. 31

Function Test and Alignment Procedure................................................................32

Equipment Needed....................................................................................32

Test Condition...........................................................................................32

Test Display Modes and Patterns......................................................................... 33

Compatible Modes.................................................................................... 33

Function Test Display Pattern.................................................................... 35

Inspection Procedure......................................................................................... 37

Chapter 5 FRU (Field Replaceable Unit) List ...................................................... 39

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Acer PD721 Technical Information Page 7