Optoma EX785 Service Manual page 28

Delta Elec. Inc.
Turn the
power ON
< Powering up >
Power: Flashing Amber
Temp: OFF
Lamp: OFF
< Normal operation >
Power: Blue light
Temp: OFF
Lamp: OFF
No
< Lamp error >
Power: Flashing Red
Temp: OFF
Lamp: ON
No
< Color Wheel error >
Power: Flashing Red
Temp: OFF
Lamp: OFF
No
Company Confidential
28
EX785_ EW775
Light5
Light9
Image
Display
Optoma___________________
Ignition sound doesn't exist.
• Power Board Ass'y malfunction
Yes
• Ballast Connector (CJ1) or LVPS unit (CJ4) disconnected
• Main Board (P707) disconnected
• Main Board or Ballast Ass'y malfunction
Ignition sound exists.
• Lamp failure (Lamp is broken, damaged, or burst)
• System Change a new Lamp
• Flexible cable of Color Wheel Ass'y is disconnected (P708) or broken.
Yes
• Index Board (P8101) / Main Board (P704) is disconnected
• Index Board malfunction
• Color Wheel Ass'y malfunction (doesn't rotate).
• Main Board Ass'y malfunction (Color Wheel Ass'y doesn't rotate).
(CN102 doesn't output 370 V)
Delta________________
2010/01/05