GT750
Confidential
3-
3-2 Main Procedure
No
Symptom
Procedure
Auto Shut Down
- Check LED status
a. Lamp Fail: ON/STANDBY LED (flashes red);
Lamp LED (lights red)
- Check Lamp
- Check Lamp Driver
- Check Main Board
- Check Color Wheel
- Check Photo Sensor
b. Over Temp: ON/STANDBY LED (flashes red);
Temp LED (lights red)
- Check Thermal Switch
- Check Fan
- Check Main Board
c. Fan Fail: ON/STANDBY LED (flashes red);
Temp LED (Flashes red)
- Check Fan
- Check Main Board
3D Image Abnormal
- Ensure the using 3D glasses is good and you must face the
projection.
- Ensure the CD in DVD is HQFS format or the graphic card from
PC can support 3D format.
- Ensure your standing distance is less than 6m from screen.
- Ensure the 3D function is on and execute “3D sync invert” in OSD
menu.
- Check main board.
