Acer P5270 - XGA DLP Projector, Service Manual

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3-3
Confidential P5270/P5270 Refresh
No Symptom Procedure
1 No Power - Ensure the Power Cord and AC Power Outlet are securely
connected
- Check Lamp Cover and Interrupt Switch
- Ensure all connectors are securely connected and aren’t
broken
- Check Lamp Driver
- Check LVPS
- Check Main Board
2 Auto Shut
Down
- Check LED Status
a. Lamp LED Light
- Check Lamp
- Check Lamp Driver
- Check Main Board
b. Temp LED Light
- Check Thermal Sensor
- Check Thermal Switch
- Check Fan
c. Color Wheel
- Check Color Wheel
- Check Photo Sensor
3
No Image
- Ensure the Signal Cable and Source work
(If you connect multiple sources at the same time, use the
“Source” button on the control panel to swtich)
- Ensure all connectors are securely connected and aren’t
broken
- Check Main Board
- Check DMD Board
- Check Color Wheel
- Check DMD Chip
- Check Engine Module
3-3 Main Procedure