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RCA convergence

Discussion in 'Electronic Repair' started by Brett, Nov 13, 2004.

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  1. Brett

    Brett Guest

    Have an RCA TV model #P52000T. Convergence adjustments on front of
    set. Adjustments at maximum, and covergence is still off. The vertical
    seems to worse than horizontal. Can't find info for this particular
    model on this problem. Any Techs have a good idea of what is probably
    at fault? Thanks.
  2. dkuhajda

    dkuhajda Guest

    Without the all important Chassis number, cannot help at all.

    (Brett) wrote in
  3. Art

    Art Guest

    Presume the convergence mechanical controls located just behind the access
    door at the front of the tele?? I would suspect there may actually be
    electronic problems within the supplies or dynamic convergence correction
    circuitry that needs attention rather than just trying to fool the symptoms
    by adjusting all the accessible controls. Esp due to the probable age of the
    product. Schematic and diligence in troubleshooting may be required before
    actually attempting to do the dynamic convergence physical adjustments.
  4. JURB6006

    JURB6006 Guest

    Without the all important Chassis number, cannot help at all.

    IIRC that is a Hitachi built unit. If it's what I think it is it uses discreet
    components for convergence outputs, I've fixed a couple. The design isn't too
    bad, i.e., the smoke escaping from one part doesn't encourage the smoke to come
    out of alot of other parts.

  5. JURB6006

    JURB6006 Guest

    Or is it the CTC 132 ?

    Possible, it's been awhile.

  6. Art

    Art Guest

    If it is the 132 then he may be in for a chase across multiple pcbs to find
    what is actually affecting it. let alone the possibility of NLA components.
    Would be nice to know that info tho!! White tag somewhere inside the set,
    may be affixed to a heatsink or mounting bracket. CTC-XXX XXX three numbers
    and probably one to three letter suffix.
  7. John Del

    John Del Guest

    Subject: Re: RCA convergence

    I think you were right the first time. Didn't all the 132 series use three
    letter model numbers? ie: PMR, etc. I think it is the Hitachi with the
    mainboard mounted bottom side out.

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