Main Procedure - Acer P3250 Refresh Service Manual

3-3 Main Procedure

No Symptom
1 No Power
2 Auto Shut Down
• 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
• Check LED Status
a. Power LED on(B/R), Lamp LED off, Temp LED on (R)
• Check Thermal Switch
• Check Fan
b. Power LED on(B/R), Lamp LED on (R), Temp LED off
• Check Lamp
• Check Lamp Driver
• Check Main Board
c. Power LED on(B/R), Lamp LED off, Temp LED flash (R)
• Check Fan
• Check Main Board
d. Power LED on(B/R), Lamp LED flash (R), Temp LED off
• Check Color Wheel
• Check Photo Sensor Board
P3150/P3250/P3150 Refresh/P3250 Refresh
Procedure
Confidential
3-4