Optoma HD71, Service Manual

Page: 39 / 91

HD71/HD710/HD75 Confidential
3-4
No Symptom Procedure
9
Poor Uniformity/
Shadow
- Ensure the projection screen without dirt
- Ensure the projection lens is clean
- Ensure the Brightness is within spec
- Check rod alignment
- Check Engine Module
10
Dead Pixel/Dust
(Out of spec.)
- Ensure the projection screen without dirt
- Ensure the projection lens is clean
- Clean DMD Chip and Engine Module
- Check DMD Chip
- Check Engine Module
11 Garbage Image
- Ensure that the signal cables and source work as well.
- Check Main Board
- Check DMD Board
12
Remote Control/
Control Panel Failed
- Remote Control
a.Check Battery
b.Check Remote Controller
c.IR receiver
d.Check Main Board
- Control Panel
a.Check FPC
b.Check keypad
c.Check Main Board
13 Audio Abnonrmal
- Ensure that the signal cables and source are work as well
- Clean Speaker Module
- Check Audio Board
- Check Main Board
14 Function Abnormal
- Do “Reset(All data)” of the OSD Menu
- Check Main Board
- Check DMD Board