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Sony TV model KV27S46 Shorted Hor. out.

Discussion in 'Electronic Repair' started by [email protected], May 30, 2007.

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  1. Guest

    Set came in with "just clicks" complaint. Customer says that it had
    been cutting off after about 15 minutes for a while until it went out
    for good. The hor. output a 2SC5426 is shorted . I planned to go over
    the soldering however I was advised by another tech. that I should
    also look for a bad cap (he wasn't sure if it was an electrolytic or
    perhaps a mylar) in the supply circuit as well. Does anyone know if
    there is any further information on this set? Thanks, Lenny Stein,
    Barlen Electronics.
     
  2. AJ

    AJ Guest

    Check out the smps to be sure the shorted hout trans did not take the
    choppers and fuse resistor in the power ckts. Also, check the LOPT, ring it
    if possible, at least reflow all the joints from the h-driver to completely
    around the LOPT. Cap mab be the located in collector ckt of driver, near
    h-drive xfrm.
     
  3. Guest

    Thanks for the info. I'll check that out. Lenny.
     
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