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KDS XF-7e monitor

Discussion in 'Electronic Repair' started by Bob, Aug 8, 2006.

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  1. Bob

    Bob Guest

    I have a monitor with a burned resistor, R509. Anyone have a schematic
    of this model that can tell me the value of the resistor? Anyone know
    a web site that has a schematic for this model?
    Thanks.
    Bob
     
  2. Bob

    Bob Guest

    Where does one get schematics for monitors nowadays? Is there anything
    similar to the old Sams Photofacts?
     
  3. John Keiser

    John Keiser Guest

  4. OldElecTech

    OldElecTech Guest

    Bob, That resistor is 22 ohms at 1 watt. It is in series with C503
    (0.047/400) and they are in parallel with the transformer nearby. I
    think it is used as a snubber circuit. Hope this helps.
    Pete
     
  5. Bob

    Bob Guest

    Thats it! Thanks a bunch - thought I'd have to trash it because of
    ..25c resistor. You da man!

    Bob
     
  6. Bob

    Bob Guest

    Pete,
    I noticed you had a post about this same circuit in another monitor.
    Appears that the resistor shorted to the cap through the coatings. I
    replaced both, paralleling two 47ohm 1w resistors, giving me a 2w
    combo. So far it's working & not heating up. Thanks for the help.
    Bob
     
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