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Samsung rear projection.

Discussion in 'Electronic Repair' started by Dani, Sep 25, 2007.

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  1. Dani

    Dani Guest

    Model # HC-P4252W Chassis P59A. Bad convergence IC's STK 392-010,
    replace resistors, if necessary. Now, the unit, has burn-in on two
    CRT's. Is this common, & caused by the STK failure? Dani.
     
  2. Guest

    I did one of those in Feb and the red tube had two vert lines dead
    center burn't into the tube
     
  3. Meat Plow

    Meat Plow Guest

    yep.
     
  4. We had good luck doing several Samsungs like this 'til the CRT bug got us.
    Seems if the power supply goes in a certain way the spot killer fails. I'm
    not the Samsung guy in our shop so I can't give details, but it is a design
    flaw. The jugs can get burned very quickly after the STK's are replaced,
    even if they weren't burned when the set came in the door. Potential
    customer relations nightmare. Good idea to warn the customers of the
    possibility before the repair commences.

    Mark Z.
     
  5. James Sweet

    James Sweet Guest

    Certainly does sound like a design flaw, will Samsung own up to it?
     
  6. Meat Plow

    Meat Plow Guest

    Not likely.
     
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