Main Procedure - Optoma EP739 Service Manual

3-2

Main Procedure

3-2.1
A. Is LED Indicator OK?
-
-
-
-
-
-
B. Is Fan Working After Press Power/Standby Button?
-
-
-
-
-
C. Is Lamp Lit?
-
-
-
-
-
-
Power Troubleshooting
Check the Power cord and AC power outlet.
Check the Keypad cable has broken or not.
Check if all the wires are well connected inside.
Check the Ballast.
Check the Main board.
Check the Keypad board.
Check the Keypad cable has broken or not.
Check if fan wire is well connected.
Check the Thermal board.
Check the Main board.
Check the Fan.
Check the Lamp cover assembly OK or not.
Check thay have the sound of Lamp ignitor output from Unit or not.
Check the Cable of limit switch.
Check the DMD board.
Check the Lamp module.
Check the Ballast.
3-2 EP739/EP739H/EP738
Series