Optoma EP1690 Service Manual page 42

No Symptom
9 Poor Uniformity /
Shadow
0 Dead Pixel / Dust
(Out of spec.)
 Garbage Image
2 Remote Control
or Control Panel
Failed
Function Abnormal
3
- Ensure the Projection Screen without dirt
- Ensure the Projection Lens is clean
- Ensure the Brightness is within spec.
(Replace the Lamp if the Brightness is less
than spec.)
- Check Engine Module
- Ensure the Projection Screen without dirt
- Ensure the Projection Lens is clean
- Clean DMD Chip and Engine Module
- Check DMD Chip
- Check Engine Module
- Ensure the Signal Cable and Source work
- Check Main Board
- Check DMD Board
- Remote Control
a. Check Battery
b. Check Remote Control
c. IR Receiver
- Control Panel
a. Check FPC
b. Check Keypad
c. Check Main Board
- Do "Reset" of the OSD Menu
- Check Main Board
- Check DMD Board
3-3
Procedure
EP690 / OP280 / OP40