Question about Samsung DynaFlat TX-P3071WH 30" TV

Interesting problem Previously this TV would turn off after running for sometime. No sound not picture. I looked in and visibly found that the capacitor after mains rectifier was kind of bulged out. Replaced with a new one (820microFarad/250V) and then turned it on. It did not. But then pushed main board up a little and it started up. Left it running for a few hours, it did not turn off (like it was previously). But when I tried to turn on after some time, it does not turn on. Any ideas??

shailesh valera Jun 07, 2007

Thanks 1Beertap, I am going to try this in short time.
Will let you know ...
shailesh valera Jun 21, 2007

1beertap

YES!!! That was it!!!

I tried re-soldering aroung the fly-back, I actually found one of the solder point kind of not ok, you see and you know that it is not ok kind of not shiny, and several more and then wired the board back in and it just turned on wihtout any problem!!! and runs just fine...

Thanks a lot for the solution!!

Silas

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It sounds as if you have a cold solder joint. I would check for bad solder joint(s) around the flyback transformer as this can be a common problem in some televisons.

Posted on Jun 04, 2007

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