Ricoh PJ LW3000ST, Field Service Manual

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No. Symptom Solution procedure
3 No Light On
1. Ensure all connectors are securely connected and are not
broken.
2. Check LED status.
If Temp LED lit Red, Lamp LED lit Red
• Check the Interlock Switch.
If Temp LED flashing Red: 0.5 sec.
• Check the PSU.
• Check the Filter Wheel Module.
• Check the Photo Sensor Board.
• Check the Combiner Module.
• Check the Main Board.
If Lamp LED lit Red
• Check the LD Driver Board.
• Check the Combiner Module.
• Check the Main Board.
4 No Image
1. Ensure the Signal Cable and Source device is work properly.
2. Ensure all connectors are securely connected and are not
broken.
3. Check the Main Board.
4. Check the Combiner Module.
5. Check the Optical Engine.
5 Mechanical Noise
1. Check the Fan.
2. Check the Filter Wheel Module.
3. Check the Combiner Module.
6 Line Bar/Line Defect Check the Main Board.
7 Image Flicker
1. Do "Reset" under "Settings" of the OSD Menu.
2. Ensure that the signal cables and source are work as well.
3. Execute LD Calibration.
4. Check the Main Board.
5. Check the Photo Sensor Board and Filter Wheel Module.
6. Check the Combiner Module.
5. Troubleshooting
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