Optoma EX779 - Page 20

Delta Elec. Inc. EX779
Company Confidential Optoma__________________ Delta________________
20
2010/04/14
Confirmation with none-signal state
Yes
No
No
No
Yes
No
Yes
Projector logo
screen display
Yes
• CW Sensor Board Ass’y malfunction
• Main Board Ass’y malfunction
• DMD Set malfunction
Still
dark after the
lamp is on for more
than 1min
• Lamp deterioration (malfunction/usage time)
• Power Supply Unit malfunction
(No change occurs even after lamp replacement.)
• DMD Set malfunction
(No change occurs even after lamp replacement.)
Press “Menu” key
• Remote controller set malfunction, Low battery, and outside
operation rang
• Main Board Ass’y malfunction
•Connector (CN451)、(CN9 of IR PWB) disconnected
• IR PWB Ass’y malfunction
• Check the pattern generator setting is wrong
• Main Board Ass’y malfunction
• DMD Set malfunction
• Setting on PC side(external output setting, resolution, etc.)
• Cable malfunction (disconnection and pins broken)
• Connector (CN903 of IO BD) disconnected
• Speaker Ass’y malfunction
• Main Board Ass’y malfunction
Check the
projection
Screen
I
mage
display
normally
Input each signal
Speaker work
normally
No
Yes
Yes
Yes
No
No
No
No
No
Image
Display
“No signal” Message display
Yes