TDP-P75
Service Manual
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System Trouble Shooting Guide
Keypad LED OK
1.
Check power code
2.
Check lamp door.
3.
Check Download SW.
4.
Check Keypad board and Keypad wire.
5.
Check power board and 12-pin power wire.
6.
Check 12-pin Main BD to power board signal wire
7.
Check DC Voltage 2.5V 3.3V 1.5V on Main board
8.
Check Main Board.
If Power On, Lamp On?
1.
Check Main board.
2.
Check thermal switch and wire
3.
Check color wheel.
4.
Check DC Voltage 12V on Main board
5.
Check Ballast.
6.
Check chip board
No Signal?
1.
Check Input Cable
2.
Check OSD Source set up
3.
Check Input board
4.
Check Main board
Power Auto Turn Off
1.
Check OSD Lamp Hours
2.
Check Lamp Door
3.
Check Lamp still light or not?
4.
Check Fan still spin or not?
5.
Check Thermal status
IR Remote Control NG?
1.
Check Remote module battery
2.
Check Remote module
3.
Check front IR Receiver wire
4.
Check rear IR Receiver on Input board
Pixel Fail?
1.
Check DMD Chip
2.
Check DMD Chip board
3.
Check Main board
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08/19/05
