Optoma EX785 Service Manual page 29

Delta Elec. Inc.
Image
Display
Yes
Projector logo
screen display
Yes
Confirmation with none-signal state
Still dark after the
lamp is on for more
than 1min
No
"No signal" Message display
No
Press "Menu" key
Yes
Input each signal
Yes
Image display
normally
Yes
Speaker work
normally
Yes
Check the
projection
Screen
Company Confidential
29
EX785_ EW775
No
• CW Sensor Board Ass'y malfunction
• Main Board Ass'y malfunction
• DMD Set malfunction
• Lamp deterioration (malfunction/usage time)
Yes
• Power Supply Unit malfunction
(No change occurs even after lamp replacement.)
• DMD Set malfunction
(No change occurs even after lamp replacement.)
No
• Remote controller set malfunction, Low battery, and outside
operation rang
• Main Board Ass'y malfunction
• Connector
• IR PWB Ass'y malfunction
• Check the pattern generator setting is wrong
• Main Board Ass'y malfunction
No
• DMD Set malfunction
• Setting on PC side(external output setting, resolution, etc.)
• Cable malfunction (disconnection and pins broken)
• Connector
No
• Speaker Ass'y malfunction
• Main Board Ass'y malfunction
Optoma___________________
No
No
No
(CN303)、(CN200 of IR PWB) disconnected
No
No
(CN15, CN16) disconnected
Delta________________
2010/01/05