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Horizontal white line interference on Toshiba TV

Discussion in 'Electronic Repair' started by Charlie, Jan 4, 2007.

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  1. Charlie

    Charlie Guest

    I have a Toshiba TV, model 24AF41 (flat screen) which has recently
    started to show interference in the form of horizontal white dotted
    lines in the top quarter of the screen. Is this likely to be something
    that can be sorted through judicious use of the service menu or is it
    more likely to be a symptom of an underlying electronic fault?
    thanks in advance for any suggestions....
  2. kip

    kip Guest

    Filter cap going in the vert deflection circuit.

    KEEP out of the service menu ,fix the fault.

    Why does everbody think that going into service menu,s will fix faults ?

  3. M.Joshi

    M.Joshi Guest

    Hi Kip,

    I notice from the above thread that you seem to know a fair bit abou
    television repair.

    I am repairing a friend's 14" Grundig television and discovered
    common power transistor PS fault. I purchased and replaced the kit o
    components for this fault.

    The original 'dead-T.V' fault has now been resolved however, there ar
    now diagonal lines across the screen when using the built-in antenn
    which disappear when using an external antenna?

    Any tips would be greatly appreciated.

  4. Wishful thinking? Maybe seen some suggestions for adjusting vertical size
    to hide data? If the problem is that the geometry, size, or position is off
    a bit one could be seeing data in the vertical interval and this might be
    fixed with service menu adjustments on some sets.

  5. Charlie

    Charlie Guest

    Many thanks.
    Is this likely to be physically located on the yoke circuitry or could
    it be anywhere?
    Someone she spoke to at the Toshiba service center in New York
    apparently did. But (typically) the full details weren't written down.
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