Samsung PN50C450B1D-Sound with No Picture


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Samsung PN50C450B1D-Sound with No Picture

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christurner2
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Jan 16, 2015, 10:19 PM

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Samsung PN50C450B1D-Sound with No Picture	Can't Post

Replaced Y main and Y Buffer boards and still have the same problem. When powered up, sound comes out and an ever so faint light flicker on the screen every three seconds. Please advise?

Updated troubleshooting; I have determined that if I leave the main power plugged in and turn the TV on, the picture will not appear, but there will be the flicker of light and sound. If I unplug the main power and let it sit for a while and plug it back in, the TV begins to work normally. Picture and sound! Any ideas??????

(This post was edited by christurner2 on Jan 20, 2015, 12:27 AM)

TVRepairNewbie
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Jan 16, 2015, 10:46 PM

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Re: [christurner2] Samsung PN50C450B1D-Sound with No Picture [In reply to]	Can't Post

Might be the T-Con board.
I had a Plasma TV with overheating T-Con chip that would flicker 5 times or so then picture would fade to black while the sound stays behind.

I put a fan to the T-Con chip for few minutes to cool it down then turn it back on ... TV stay on the whole night without flicking then fade to black issues.

This doesn't match your problem, but hopefully would help you in the troubleshooting process.

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