Optoma EP720 Service Manual - Page 55

Clean DMD Chip and Engine Module, c. Check IR Sensor Board - remote control

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No Symptom Procedure - Ensure the projection screen without dirt - Ensure the projection lens is clean 9 Poor Uniformity/ Shadow - Ensure the Brightness is within spec - Check rod alignment - Check Engine Module - Ensure the projection screen without dirt - Ensure the projection lens is clean 10 Dead Pixel/Dust (Out of spec.) - Clean DMD Chip and Engine Module - Check DMD Chip - Check Engine Module - Ensure that the signal cables and source work as well 11 Garbage Image - Check Main Board - Check DMD Board - Remote Controller 12 Remote Controller Failed a. Check Battery b. Check Remote Controller c. Check IR Sensor Board d. Check Main Board - Do "Reset (All data)" of the OSD Menu 13 Function Abnormal - Check Main Board - Ensure that the signal cables and source are work as well 14 Audio Abnormal (X1261/H5360 only) - Ensure that your Projector is not in "Mute" mode - Check Main Board - Check Speaker X1161/X1261/X1161A/X1161N/X110/H5360 Confidential 3-

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X1161/X1261/X1161A/X1161N/X110/H5360
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 Controller
Failed
- Remote Controller
a. Check Battery
b. Check Remote Controller
c. Check IR Sensor Board
d. Check Main Board
13
Function Abnormal
- Do
"
Reset (All data)
"
of the OSD Menu
- Check Main Board
14
Audio Abnormal
(X1261/H5360 only)
- Ensure that the signal cables and source are work as well
- Ensure that your Projector is not in “Mute” mode
- Check Main Board
- Check Speaker