Chapter 3 Troubleshooting; Equipment Needed; Main Procedure - Optoma EP732B Service Manual

Chapter 3
Troubleshooting
3-1

Equipment Needed

EP732B Projector
EP732B Remote Control
VGA to VGA Cable
PC (Personal Computer)
DVD Player for Video Signal and Audio Signal
HDTV Tuner or Player (480i, 480p, 720p, 1080i)
3-2

Main Procedure

3-2.1 Power Troubleshooting
A. Is LED Indicator OK?
- Check the Power cord and AC power outlet.
- Check the Keypad cable has broken or not.
- Check the Connect cable inside the Unit.
- Check the LVPS.
- Check the Main board.
- Check the Keypad board.
B. Is Fan Working After Press Power/Standby Button?
- Check the Keypad cable has broken or not.
- Check the Connectin wire of Fan.
- Check the Main board.
- Check the Fan.
C. Is Lamp Lit?
- Check the Lamp cover assembly OK or not.
- Check thay have the sound of Lamp ignitor output from Unit or not.
- Check the Cable of Limit switch.
- Check the Main board.
- Check the Lamp module.
- Check the Ballast.
3-1 EP732B