Service Manual
Page 4
... Lamp Module and Elevator Foot 2-1 Disassemble Top Cover and Keypad Board 2-2 Disassemble Main Board Module, Wind Tunnel Module and Fan Guider Module 2-4 Disassemble Lamp Driver Module, LVPS Module and Axial Fan 92*25 Module 2-5 Disassemble Color Wheel, Photo Sensor Board, Optical Engine Module and Blower Fan 60*25 Module 2-7 ...Equipment 4-1 Test Condition 4-1 Test Display Modes and Pattern 4-2 Inspection Procedure 4-8 Chapter 5 Firmware Upgrade Procedure 5-1 Equipment Needed 5-1 Hardware Setup Procedure 5-1 Firmware Program Installation Procedure 5-2 ii PJ755D
... Lamp Module and Elevator Foot 2-1 Disassemble Top Cover and Keypad Board 2-2 Disassemble Main Board Module, Wind Tunnel Module and Fan Guider Module 2-4 Disassemble Lamp Driver Module, LVPS Module and Axial Fan 92*25 Module 2-5 Disassemble Color Wheel, Photo Sensor Board, Optical Engine Module and Blower Fan 60*25 Module 2-7 ...Equipment 4-1 Test Condition 4-1 Test Display Modes and Pattern 4-2 Inspection Procedure 4-8 Chapter 5 Firmware Upgrade Procedure 5-1 Equipment Needed 5-1 Hardware Setup Procedure 5-1 Firmware Program Installation Procedure 5-2 ii PJ755D
Service Manual
Page 16
Fan Guider Module Wind Tunnel Module 2-4 Disassemble Lamp Driver Module, LVPS Module and Axial Fan 92x25 Module Step1: Unscrew six screwsandunplugonewiretoremovethelampdrivermodule. Step3: Unscrew five screwstoremovethewindtunnelmoduleandfanguidermodule. ViewSonic Corporation Lamp Driver Module 2-5 PJ755D
Fan Guider Module Wind Tunnel Module 2-4 Disassemble Lamp Driver Module, LVPS Module and Axial Fan 92x25 Module Step1: Unscrew six screwsandunplugonewiretoremovethelampdrivermodule. Step3: Unscrew five screwstoremovethewindtunnelmoduleandfanguidermodule. ViewSonic Corporation Lamp Driver Module 2-5 PJ755D
Service Manual
Page 23
... displayed with color issue - Adjust Color Wheel index delay. *Note2 - Judge - Check Fan Module. - Change Lamp Driver or Main BD. Check if the I/O connector is red) - Judge - Check Thermal BD. - B. Change Main Board. ViewSonic Corporation 3-2 PJ755D Check Thermal Switch. Press SOURCE button to re-catch the signal again. Ensure the signal...
... displayed with color issue - Adjust Color Wheel index delay. *Note2 - Judge - Check Fan Module. - Change Lamp Driver or Main BD. Check if the I/O connector is red) - Judge - Check Thermal BD. - B. Change Main Board. ViewSonic Corporation 3-2 PJ755D Check Thermal Switch. Press SOURCE button to re-catch the signal again. Ensure the signal...