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Si-727r-ds arcs

Discussion in 'General Electronics Discussion' started by earlmatthews, Oct 26, 2012.

  1. earlmatthews

    earlmatthews

    3
    0
    Dec 6, 2010
    I have an Si-727r-ds monitor chasis that arc between r417 & ground. Can anyone explain why this happens? thanks.
     
  2. davenn

    davenn Moderator

    13,246
    1,745
    Sep 5, 2009
    hi earl
    welcome to the forums :)

    first educated guess would be excessive voltage. possibly some component is faulty that is a load after that resistor.

    Have you tried to get the service manual or at least a schematic online ?

    cheers
    Dave
     
  3. earlmatthews

    earlmatthews

    3
    0
    Dec 6, 2010
    Hi Dave'
    Thanks for the kind response.
    I've tried relentlessly to find any bit of information on this particular model of SHARP MONITOR CHASSIS (Si-727r-ds) but to no avail.
    Can someone please post schematic diagram for this chassis or tell me where I can get a copy.
     
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