Rev. 00
Company Confidential Optoma_______________________ Delta____________
14
2008/07/02
3. TROUBLE SHOOTING
By checking operations during normal usage time, it is possible to carry out judgments on
malfunction to a certain extent. Carry out the following checks before disassembling the
equipment.
Yes
Waiting
Power On
Yes
POWER
:
7
Blinks
•Lamp Cover A’ssy is not attached
•Switch (CN852) is open
No
POWER
:
8
Blinks
•DMD chip error.
•DMD Board PWB Ass’y check.
Yes
No
No
No
No
Connect the power cord
POWER
: Light
READY
: Light
Standy-by-ready
• Cable of Power Supply Unit and thermostat Ass’y.
• Check the connection of Power Supply (CN201 of
Power BD to CN900 of Main BD)
• Power Supply Unit malfunction
• Check keypad connection
Yes
Press “power key”
POWER
: Light
READY
: OFF
Power ON
Yes