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JVC 48" rear projection TV.

Discussion in 'Electronic Repair' started by Dani, Dec 31, 2007.

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  1. Dani

    Dani Guest

    Model # AV-48WP30, it was picked by another shop, & the large stand up
    module (tin can type), that one of the plugs from the little
    convergence board goes to, has been out of the set,
    & put back with no screws, & MAY be bad, even though they don't
    commonly go. It had bad convergence. I replaced the stk 392-110
    convergence IC's, & resistors. It convergences good, but the overall
    pix is shaped wrong, like bad pincushioning. Going from left to right
    the scan is up & down, both on top & bottom. I can adjust all service
    menu adjustments, but can't get it square. .Anyone see this problem?
  2. Art

    Art Guest

    Basically have to reset the geometry, aka pcc, heighth, width, etc and then
    do all the registration. Can be a bit fustrating and time consuming. There
    are other adjustments that yu will need to make and/or repair the pcc
    circuits also.
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