
Equipment Needed..........................................................................................................................................28
Parts List.............................................................................................................................................................29
Service Parts List...........................................................................................................................................29
Part Replacement..............................................................................................................................................31
Lens Ring Cover, Projector Lens..................................................................................................................31
Lamp Cover, Lamp Unit...............................................................................................................................33
Top Cover, IR-T Sensor................................................................................................................................34
Rear Cover...................................................................................................................................................35
Main Board, GEO Dummy Board, I/O Board, LAN Board...................................................................37
Connector list.......................................................................................................................................40
Blower Module............................................................................................................................................42
Top blower and duct...........................................................................................................................42
TC blower............................................................................................................................................43
Bottom blower and duct.....................................................................................................................44
System Fan....................................................................................................................................................45
Main Board Shielding and Front Shielding...............................................................................................47
Front Cover, LED Board, LED Cover, Thermal Board, IR Cover..............................................................49
Right Cover, Lamp Cover............................................................................................................................50
Left Cover, Keypad Rubber, Keypad Board, Speaker, Interrupt switch.................................................51
Optical Engine.............................................................................................................................................54
Color Wheel, Photo Sensor Board.............................................................................................................56
DA module, DA Sensor Board....................................................................................................................57
Thermal Switch.............................................................................................................................................57
Lamp Driver..................................................................................................................................................58
LVPS..............................................................................................................................................................59
DMD Fan......................................................................................................................................................60
Bottom Cover, Bottom Shielding, AC inlet.................................................................................................60
Required Action After Replacing Parts ...........................................................................................................62
4. Troubleshooting
Front Panel LEDs...............................................................................................................................................65
Main Procedures..............................................................................................................................................67
A. No Power Troubleshooting....................................................................................................................68
B. Power Troubleshooting...........................................................................................................................68
3