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RCA TV CHASIS ATC321 HAS BURNT RESITOR BY FLYBACK WHAT BOARD IS THIS NEED A PART NUMBER OR CAN I JUST REPLACE RESITOR #R14705 ITS BURNT IN HALF THERE IS NO OTHER SIGNS OF DAMAGE OR BURNING
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Thats a 27K 1/2 watt Carbon Composition resistor 5% tolerance. You got deflection issues so a replacement resistor will most likely fail unless you discover whaich componenet on the deflection board caused the resistor to burn. The deflection boards have been discontinued for your model which has the ATC321 chassis. But you can get a remanufactured ATC321 deflection board from www.tvrepairworld.com
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.
Your flyback has shorted out and thats whats burning the resistors cahances are the HOT is shorted as well. You can get some information at the following link for RCA problems. Just leave them an email with your model and what the problem is http://servicemanuals.vstore.ca/
ok is this s hd56w66 or hd56w58? if its a 56w58 then it is a atc321 chasis there has been some issues with the splitter and defecllection boards with that unit
From your description ..actually this is a common problem and no simpley replacing the resistor will not fix it. this chasis has a problem with what is called the high voltage splitter.. there was a number of these made with a defective splitter. RCA HAS ISSUED a service bulliteen for certain models and serial numbers. the board and the splitter is generally replaced. (I just worked on one of these 2 days ago and got and order in for the parts) ......just reread the tech bulliteen.. the spitter which develops a crack is rca part number 258512 the resistor or the part that burnt is resistor a common 27k 1/2 watt 10% carbon resistor
It sounds like you have a real bad problem, Do your Circuit Board looks repairable? Was the burn thru the board? Are you saying you need the schematic for this TV? For more info ctechnicians.com
yea i got my similar tv for 75 bucks blown hv splitter replace with bad resistor blew again 1 day later. i just replaced it tonight along with the flyback hopefully it works
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