Question about RCA F32450 32" TV

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RCA F32450 ATC113 chassis Dead & Squealing

This TV was offered for free because it did not turn on. I was told that a tech looked at it and said it needed a switch. I cleaned and tested the switches with a meter and they didn't appear to be bad. When I turned it on it would click and the power light would blink 3 times and go off - no picture or sound at all. I saw some arcing from one of three wires that lead to the board on top of the picture tube and resoldered the wires, since then the power supply (I think) transformer is squealing (definitely not the flyback). I appreciate any help.

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  • blue95 Dec 12, 2007

    I never got the set fixed, I tested the power supply transformer and the flyback and I believe the flyback had shorted. I was guessing since I didn't have a schematic. I felt that it wouldn't be worthwhile to purchase the schematics so it went in the garbage.

  • Anonymous Mar 05, 2008

    Turn on tv power light blanks a couple of times and go out.

  • Anonymous Mar 05, 2008

    turn on power and just blink three times

  • rut77 Mar 05, 2008


  • Anonymous Apr 29, 2008

    Squealing at plug-in. Replaced H.O.T. which fried at turn on. Does Flyback and HOT usally complete this repair??



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Replace tl 02 and solder ll 04

Posted on Nov 17, 2008

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IHVT # 257805 or ASTI 2078 = 20.00.......................T.

Posted on Dec 13, 2007


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Hi, It appears that your unit has switched to protective mode (hence also no HV). When you unplug the set and "speakers thump", that would mean that the low B+ is still active and your SMPS is good. Your post "No high voltage" leads me to believe that you have a fair idea of working inside a TV. Should you venture to do-it-yourself (of course the standard precaution when working with TV units specially HV section), try checking: 1. an inductor/coil supplying the main B+ to the horz (probably L14???), resolder fully; 2. the Horizontal circuitry with special attention to the HOT (TL0?) and the FBT. It may also be a good idea to have the FBT ring tested. Other than above, it's the usual check with your VOM with attention to B+ line. Hope this be of some help/idea. Good luck and kind regards.

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Most RCA repairs on your chassis series require a new IHVT,
AKA flyback transformer . Inside an Integrated HVT are diodes
that can degrade and give the appearance of a bad cap....
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meter, just in case....

xformer part # 257805 or Asti 2078........T.

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