Acer H7530D Service Manual page 71

No Symptom
4 No Image
Mechanical
5
Noise
Line Bar/Line
6
Defect
7 Image Flicker
8 Color Abnormal
- Ensure the Signal Cable and Source work
(If you connect multiple sources at the same time, use the
button switch)
- Ensure all connectors are securely connected and aren't broken
- Check DA Motor Module (only for H7530D)
- Check Main Board
- Check DMD Board
- Check DMD Chip
- Check Engine Module
- Check Color Wheel
- Check Fan Module
- Check if the Main Board and the DMD Board are
assembled properly
- Check Main Board
- Check DMD Board
- Check DMD Chip
"
- Do Reset (All data)
- Ensure that the signal cables and source are work as well
- Check Lamp Driver and waveform
- Check Lamp Module
- Check Color Wheel
- Check Photo Sensor and clean Photo Sensor
- Check DMD Board
- Check Main Board
"
- Do Reset (All data)
- Adjust Color Wheel Index
- Check Main Board
- Check DMD Board
- Check Color Wheel
Procedure
"
of the OSD Menu
"
of the OSD Menu
H7530/H7530D
" "
Source
Confidential
3-3