Question about RCA 32F531T 32" TV

1 Answer

RCA pix tearing horizontal lines

Starting problem Dead TV. RCA 32F530T, chassis ATC113CD4. I Replace flyback # 257807 along with the H-O/P XSTR (2SC5148).
> Problem fix. Everything work fine, except i have hatching or tearing lines at one or two places on the screen depending on the white level (contrast), always in half screen area on the top. Same symptom with video and RF input.
>I replace the flyback 3 times with different part # (not original RCA flyback) and suppliers, 257807, 257805 and ACME-2632 (replacement for RCA #261163). Still have exactly the same problem with 2 tv set. I checked parts in the horizontal and vertical circuit, DC supply, everything looks good.
See pictures.
Any suggestion? Bulletin note?
Someone saw that before?
Thanks
Pierre

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  • 2 more comments 
  • Cailloux Nov 30, 2007

    Additional info: RCA 32F530T TV year 2004 (not 32F531T).

    Original RCA flyback NLA. Use original Horiz output transistor Toshiba 2sc5148.

    If i lower the vertical height, tearing lines disappear. No error code in service mode.
    Ear low noisy flyback.
    See pictures (on one picture, lines appear suddenly and disappear).
    Any suggestion? Bulletin note? Jungle ic? Damper diode failure? Flyback incompatible???

  • Cailloux Nov 30, 2007




    Noisy horizontal lines appear suddenly and disappear rapidly


    Tearing horiz lines, compress vertical height


    Closeup, white box on black screen

  • Cailloux Mar 25, 2008

    SEE SOLUTION ON RCA TEARING LINES FOR MODEL 32F530T

    http://www.fixya.com/support/t125724-tv_...

  • Cailloux May 25, 2008

    SEE SOLUTION 1, RCA TEARING LINES FOR MODEL 32F530T Chassis ATC113CD4 AT THIS PAGE BELOW
    http://www.fixya.com/support/t125724-tv_...

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  • RCA Master
  • 1,689 Answers

Get an ESR meter and check all the electrolytic capacitors in the set! I am sure you will find many decoupler and coupling capacitors that are on the edge or too high in ESR.

Jerry G.

Posted on May 25, 2008

  • Jerry Greenberg
    Jerry Greenberg May 26, 2008

    I would not be surprised if you find at least a few dozen caps or more when you finish with the ESR meter!!!



    I've had this many times in older sets. The time to do the work costs more than the parts!



    Jerry G.

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