Acer S1200 - Page 54

S1200 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 on the control panel to switch)
• Ensure all connectors are securely connected and aren’t bro-
ken
• Check Main Board
• Check DMD Board
• Check Colour Wheel
• 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 Mechanical Noise
• Check Colour 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 Colour Wheel- Check DMD Board
• Check Main Board