Re: Pioneer PDP 504 PG. no picture and 3 blinkling Red LEDs
Update to the above - as future info to others:
The y-scan boards are bonded to the screen, so the only way I see for repairing a defective IC is to replace the IC, leaving the board in place. Not sure how easy or expensive that is.
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Pioneer PDP 504 PG. no picture and 3 blinkling Red LEDs
Firstly, many thanks to Tom66 and the many outstanding contributions which enabled my first diagnosis.
[B]Problem:[/B]
When power is turned on, the TV picture is pink (see pic) and powers down after 3-5 seconds, then the Red front panel LED blinks 3 times.
[B]Conclusion so far:[/B]
Everything points to this being the 50 scan B, based on the 3 LED blinks, defective looking IC on the board (I missed this in first inspection) and the service manual.
[B]
Main question: [/B]if it is Scan B, then why do I still get power down with the board...
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