Question about Sony KP-57WS510 57" Rear Projection HDTV

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8 Flashes, Changed Flyback... still no good.

Ok, I was getting 8 flashes. When you power the tv on you would hear the sound for a second and it would power off and flash 8 times.

I unpluged the tripler and it still wouldnt come on. Since it wouldnt come on I assumed it was the flyback. I found a company locally that sold tv parts and bought the flyback. Came home and soldered that one on and it has the same 8 flashes. The only thing is that when I got home. I noticed the flyback he sold me had a different part number than the one that came off the board. New flyback is 1-453-285-21. The one that was in it originally was 8-598-955-32. The guy said it shouldnt matter. I am wondering if maybe the new flyback doesnt output the right voltage or maybe there is another problem. I am thinking of buying the whole d board... what do you think?

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  • 3 Boys Dad Jan 13, 2009

    TV turned off sudenly. When turned on it switches on ,then off with 8 blinks.

    I replaced the FBT ,same problem.

    Sent D Board and G Board in to PTS electronics ,no Fault found.

    Sent complete chassis(all the boards) to PTS ,No Fault found

    What could it be?

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  • 11 Answers

Try the High Voltage block first. Very common failure.

Posted on Jan 04, 2009

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