Question about Panasonic PT-47WX42 47" Rear Projection Television

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TV turns off

We were watching TV and it went out. After pushing the power button, the TV comes on, you can see a picture for a VERY brief second and then goes back off again. The power button blinks red 3 times. The TV is connected directly to an outlet. Thank you.

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Re: TV turns off

Which chip needed to be replaced and how much did it cost?

Posted on May 18, 2007

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Re: TV turns off

That sounds like a power board problem if im not mistaken where your power cord plugs into the tv there is a board it connects to often times if u plug the tv in and it starts itself or turns its self off its the power board that needs to be replaced which btw is not cheap at all

Posted on Mar 20, 2007

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1 Answer

Tv went off and won't come back on.

the arcing sound is some kind of high voltage leak, which will shut down the tv. pull the speaker grill off and the access board, look at the 3 picture tubes, turn the set on you will see where the leak is, it's usually the high voltage splitter, which has a high voltage wire going into it and 3 high voltage wires coming out going to the picture tubes, if it arcs from the splitter you need to change it, if it arcs from one of the picture tube wires you need to pull the tube out and fix the high voltage leak, and possibly a cooling fluid leak caused it, not an easy reapir, you probably need a repairman.

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TV turns on for 2 second and then it is off

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Brief power on then shuts off

It could be a component short or crack on the power supply board. Open the back of the TV and look for signs of defect. The power supply board is the brown one on the right with huge capacitors.

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This sounds like a bad convergence board.
You didn't mention the model but I bet its a samsung rear projection HDTV.
If the convergence board fails, you can diagnose by pulling the power leads to the 3 convergence circuits, then power on the tv, if it lights (picture will have very bad convergence) then that is most likely the cause.
You can usually buy a new convergence board for about $80-$100. Look on eBay by the make and model of the TV.
And its real easy to replace.

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Power cuts out on PT-53WX42

unplug tv check the fuse and the rating on it,.see if filament inside is burnt

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Bad Convergence circuit , replace 2 STK392-110 & fuse will take care the problem

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Model; P52750WK serial; 340486076

Hit remote power button. Brief " crackling " sound, no picture. No problem with TV since new. There is a brief spark like light with sound.

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TV turns on then off no picture

I was watching my tv and it just automatically turn off, everytime since then i turn it on it goes off in seconds without picture or sound comes.

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