Main Procedure - Acer P7280 Refresh Service Manual

3-2 Main Procedure

No Symptom
1 No Power
2 Auto Shut Down
- Ensure the Power Cord and AC Power Outlet are securely
connected
- Check TOP Cover , Interrupt Switch and Interlock Switch
- Ensure all connectors are securely connected and aren't
broken
- Check Lamp Driver
- Check LVPS
- Check Main Board
- Check LED Status
a. Lamp LED Light
- Check Lamp
- Check Lamp Driver
- Check Main Board
b. Temp LED Light
- Check Thermal Switch
- Check Fan
c. Color Wheel
- Check Color Wheel
- Check Photo Sensor
P7280/P7270I/P7280 Refresh/P7270I Refresh
Procedure
Confidential
3-2