Optoma EP7155i Service Manual page 23

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
Menu display
Yes
Input each signal
Yes
Image display
normally
Yes
Speaker work
normally
Yes
Check the
projection
Screen
Company Confidential
23
EP7155i & EP1691i
• CW Sensor Board Ass'y malfunction
No
• 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.)
• Remote controller set malfunction, Low battery,
No
and outside operation rang
• Main Board Ass'y malfunction
• Connector (CN371)、(CN5 of MIS PWB) disconnected
• 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 (CN300) disconnected
No
• Speaker Ass'y malfunction
• Audio Board Ass'y malfunction
• Main Board and Keypad Board Ass'y malfunction
Optoma_______________________
No
No
No
No
No
Delta____________
2010/01/11