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36" RCA T.V.

Discussion in 'Electronic Repair' started by Dani, May 29, 2006.

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  1. Dani

    Dani Guest

    T.V. works fine, but has minor noise in pix. It takes time for it to
    up, but gets no worse, & comes & goes. You have to look close to see
    it! Looks like noise in the horizontal, throughout the whole pix, the
    on info channels quiver, ever so slightly. No bad connections in the
    drive/output area, @ the flyback, or in the PWM power supply. I can't
    see it
    on my scope. It's an ATC113CA1. Anyone see this? Dani.
  2. Jason D.

    Jason D. Guest


    I saw like this twice and it was the G2 or focus pot arcing on bad
    spot. Scope the G2 with volts/div low enough to see the noise or
    spikes, or vibrates, you got it.

    Also just in case, replace CRT socket or the G2 blue or yellow disc
    cap but this only make this overall brightness flicker. My eye is
    sensitive to that kind. Other techs/boss don't notice.

    The fix was new fly.

    Cheers, Wizard
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