INITIALIZATION PROCESS
- Standby LED on Analog PCB ON [5V].
- Power ON signal from the Sub Front PCB or Infrared Sensor [IR sensor] to Digital PCB.
- Power ON signal generated by Digital PCB -> Analog PCB -> Power PCB.
- All other voltages turn On [Three Status LEDs on Analog Board lit]
- Fans turns ON.
- Fan Protection circuit verifies fan operation.
- Digital PCB tells DMD PCB to turn Color Wheel and Lamp On.
- The DMD | Digital PCBs check feedback [lamplitz - low, DDP ready - high] signals from Lamp and DMD controller [DDP1011]
- If OK, Digital PCB tells DMD to remove 'Video Mute'.
LED BLINKING CODES
Timer
|
Lamp
|
Standby | Temp
|
Indication
|
OFF
|
OFF
|
ON
|
STANDBY STATE
|
ON
|
OFF
|
OFF
|
AUTO TIMER ON/OFF HAS BEEN SET
|
OFF
|
OFF
|
OFF
|
SET IS OPERATING NORMALLY
|
OFF
|
ON
|
OFF
|
TURN ON STATE, PICTURE WILL APPEAR IN ABOUT 15 SECONDS
|
BLINK
|
BLINK
|
OFF
|
AUTO TIMER ON/OFF HAS BEEN SET, PICTURE WILL APPEAR IN
APPROXIMATELY 25 SECONDS
|
BLINK
|
OFF
|
BLINK
|
A COOLING FAN INSIDE THE SET IS NOT OPERATING PROPERLY
|
OFF
|
BLINK
|
BLINK
|
THE LAMP COVER ON THE REAR OF THE SET IS NOT INSTALLED
PROPERLY
|
OFF
|
OFF
|
BLINK
|
EXCESSIVE TEMPERATURE ERROR, CHECK FOR PROPER VENTILATION
|
BLINK
|
BLINK
|
BLINK
|
LAMP DOES NOT LIGHT, REPLACE WITH NEW LAMP
|
