Thanks scottiez, it worked for me, pry the top open, unhook ribbon cable and take out circuit board (make sure tv is unplugged and then press pwr button a couple times before touching cb)
wiped it down with alcohol(90%) and pressed the buttons a few times and put it back together. You saved me from having to buy a new tv :)
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Fuse [Main] can be located at its power supply regulator [SMPS] board. There is a fuse at its T'Con board too.
If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
There is one fuse on the AC filter board which is where the power cord is located. Just trace the power cord back to where it plugs into the circuit board on the right side when looking in the rear you will see the fuse located right next to where the cord plugs in on that board.
that model doesnt have a bulb it has three picture tubes. Chances are YOUR needING a deflection board for that model its the large board on the left side. You can get replacement deflection board from www.tvrepairworld.com
The audio circuit is located on the main board. You might be able to find one on ebay or shopjimmy.com. Just search your model number and look for main board. Just look at the pic and make sure it looks like yours before buying one.
The most common problem for no audio on this set has been a 10ohm resistor located on the top right corner of this board that fails. The location number is r385, which will be stamped on the board beside the resistor. If it's open(bad), you could change it and save a lot of money.
cmiggins: you are already doing part of what can give you the solution(at least general area)to the problem. Try to cool down the area of the tv or circuit you are heating up so it can stay on, by doing this you will isolate the general circuit or board where the problem is located. Once you have this, there are several web sites that can help you with a rebuilt or replacement board(s). please leave your feedback if i answered your question satisfactorily. thanks!
I replaced mine, it's called the Deflector board. Some people call it the flyback board after the flyback transformer that is located on it. I found one on Ebay for 25 bucks a while back, so good luck. Troll ebay or find someone that is giving their tv away on craigslist because the convergence or a bulb is bad. Don't base it just on your specific model of TV though because many of them share this common board.
Try part #271827. That was the part number of the board I won on Ebay.