LED LAMP BLINKING
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State of lamp
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Not lighted
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Check power supply PCB
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Check PDP Panel
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Red
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Blinks continuously
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Power turned off immediately.
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Check PDP panel.
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Red
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Blinks once
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Power turned Off after 10 seconds.
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Check-1
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Red
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Blinks twice
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Power turned Off after 10 seconds.
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Check – 2
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Red
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Blinks 4 times
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Power No turned Off, LED blinks only.
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Replace Main/Digtal PCB ass’y.
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Red
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Blinks 5 times.
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Power not turned Off, LED blinks only.
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Replace Video PCB Ass’y.
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Green
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Lights steadily for more than 10 seconds
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Is on On Screen Display normal?
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No
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Check PDP panel.
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Yes
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All input image faulty.
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Signal processing PCB faulty.
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Replace Main / Digital PCB Ass’y.
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Video input image faulty.
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Video PCB faulty.
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Replace Video PCB Ass’y.
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S-Video input image faulty.
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Video PCB faulty.
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Replace Video PCB Ass’y.
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Component video input image faulty.
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Signal processing PCB faulty.
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Replace Main / Digital PCB Ass’y.
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RGB 1,2 input image faulty.
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Check – 3.
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TEMPERATURE
PROTECTOR OPERATED: Power Lamp Flashes intermittently Twice in Red.[for
0.5 seconds at an interval of 5 seconds]
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Is ambient temperature of IC757 on Main Digital PCB less
than 60 degree C?
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No
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Adjust PDP unit installation so that peripheral
temperature is 40 Degree C or less.
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Yes
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Does unit operates normally when temperature sensor IC757
changed?
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No
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Microcomputer peripheral circuit faulty.
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Replace Main/digital PCB Ass’y.
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Yes
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Temperature sensor IC757 faulty.
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Replace temperature sensor IC757.
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FAN PROTECTOR
OPERATED: Power Lamp Flashes once intermittently in Red [for 0.5 seconds
at an interval of 3 seconds]
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Is voltage at connectors P951 3pin, P953 3pin and P954
3pin on Main/digital PCB 14V?
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Yes
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Fan faulty.
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Replace the fan.
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No
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Microcomputer peripheral circuit faulty.
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Replace Main/Digital PCB Ass’y.
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