Acer H5350 - Page 58

H5350
Condential
3-3
No Symptom
Procedure
3 No Image
- Ensure the Signal Cable and Source work
(If you connect multiple sources at the same time, use the
“Source” button switch)
- Ensure all connectors are securely connected and aren’t
broken
- Check Main Board
- Check DMD Board
- Check DMD Chip
- Check Engine Module
4
No Light On
- Ensure all connectors are securely connected and aren’t
broken
- Check Lamp Module
- Check Lamp Driver
- Check LVPS
- Check Main Board
5 Machanical Noise
- Check Color Wheel
- Check Fan Module
6 Line Bar/Line Defect
- Check if the Main Board and the DMD Board are
assembled properly
- Check Main Board
- Check DMD Board
- Check DMD Chip
7 Image Flicker
- Do “Reset(All data)” of the OSD Menu
- Ensure that the signal cables and source are work as well
- Check Lamp Module
- Check Color Wheel
- Check DMD Board
- Check Main Board