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Omni T6833NF TV Fault

Discussion in 'Electronic Repair' started by Paul Waller, Mar 2, 2007.

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  1. Paul Waller

    Paul Waller Guest

    Hi All,
    TV has a raster but it pulls in in the middle of both sides. Have
    checked out most of the caps with the ESR tester and the transistors and
    diodes with my multimeter. I get some text on the screen FAV so is
    displaying the internal generator OK. I don't have a circuit so what
    should I try next?
    Regards,
    Paul. ()
     
  2. Franc Zabkar

    Franc Zabkar Guest

    It sounds like a pincushion fault. E-W correction is usually (?)
    applied by coupling a portion of the vertical parabola into the
    horizontal output. Look for a part of the circuit where the H and V
    sections meet, eg a small transformer, E-W correction IC. Otherwise
    locate the datasheets for the major components, eg the jungle IC, and
    study their application circuits.

    - Franc Zabkar
     
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