ViewSonic PJD5122 - Troubleshooting

Troubleshooting
1. System Analysis
Keypad LED OK?
Lamp On?
Step ：
1. Check Lamp Door
2. Check Connection between Power BD and Main BD
3. Check Power Board and Interlock
4. Check Main Board
NO
YES
Step ：
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
NO
No Signal?
Step ：
1. Check Input Cable
2. Check OSD Source set up
3. Check Main board
YES
YES
Power Auto Turn Off?
Step ：
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
YES
NO
IR Remote Control NG?
Step ：
1. Check Remote module battery
2. Check Remote module
3. Check IR wire between Main board and IR board
4. Check IR Reciver on IR board
YES
Pixel Fail?
Step ：
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
YES
NO
NO
Confidential - Do Not Copy
PJD5122
ViewSonic Corporation
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