Service manual

H57
ii
Table of Contents
Chapter 1 Introduction 1-1
Product Highlight 1-1
Optical Specification 1-2
Electrical Specification 1-3
Mechanical Specification 1-7
Environment 1-9
Chapter 2 Disassembly of Procedure 2-1
Disassemble Lamp Module and Elevator Foot 2-1
Disassemble Top Cover, Front Cover, Keypad Board and
IR Sensor Module 2-3
Disassemble Main Board Module, Thermal Switch 2-7
Disassemble Fan Guider Module, Wind Tunnel Module, Lamp Driver
Module, LVPS and Interrupt Switch Module 2-9
Disassemble Color Wheel Module, Axial Fan 90x25 Module,
Lamp Fan 60*60*25 and Optical Engine Module 2-14
Disassemble Blower Fan 50*20, Thermal Sensor Board,
Interrupt Switch Module, Bottom Cover and Rear Cover 2-21
Chapter 3 Troubleshooting 3-1
Equipment Needed 3-1
Main Procedure 3-2
Chapter 4 Function Test and Alignment Procedure 4-1
Test Equipment 4-1
Test Condition 4-1
Test Display Modes and Pattern 4-2
Inspection Procedure 4-7
Chapter 5 Firmware Upgrade Procedure 5-1
Equipment Needed 5-1
Hardware Setup Procedure 5-1
Firmware Program Installation Procedure 5-2