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Chapter 4 Troubleshooting
System Analysis
Keypad LED OK
No
If Power On, Lamp
On?
Yes
No
No Signal?
Power Auto Turn Off
IR Remote Control
NG?
Pixel Fail?
Yes
No
No
No
Yes
Yes
Yes
Yes
Step:
1. Check Lamp Door
2. Check Power Board and Interlock
3. Check Connection between PWR
BD and Main BD
4.
Check Main Board
1. Check Lampen wire , Lamp wire and
Ballast wire
2. Check C/W and wire connection
3. Check Main board
4. Check Lamp
5. Check Ballast
1. Check Input Cable
2. Check OSD Source set up
3. Check Main board
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
1. Check Remote module battery
2. Check Remote module
3. Check IR Reciver on Main board
4. Check IR Reciver on IR board
1. Check the connection between
Main BD and Chip BD
2. Check the connection between OP
engine and DMD Chip
3. Check Chip board
4. Check Main board