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Model: UA43J5100AKXBG Version: DD01. It starts flickering since last 1 month. Ancreasing the rate of flickering day by day. Earlier after 15-20 min flickering stops. But now it takes 80-90 min to stop flickering after TV starting. I have checked there is no jamper like 852 or 854. The only cloae one is JP 855. Should I cut it? Any other suggestion? Regards, Anwar

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  • A. T. M. Nurul Anwar
    A. T. M. Nurul Anwar May 21, 2018

    Dont find KBJ6J (6A, 600 V) rectifier. D3SB60 (600V, 4A) is available is it usable as alternative?

    60R580P regulator also not available.

    Please suggest a list of alternative rectifiers for KBJ6J and alternative regulators for 60R580P. It will be a great help for me.

    Thanks in advance.

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If the board does not have jp854 top left of the power board 2 inch down it's not the same power board as the quick fix. also it's not really a quick fix, you need to replace the voltage regulator on the heat disperser, right pin on the 3 pins is the controller for the voltage when the chip wares out it cannot regulate the correct voltage so the voltage goes up and down causing the flicker, on the quick fix its just cutting this connection off so the regulator is working at no adjustable voltage.

Posted on May 07, 2018

  • 3 more comments 
  • A. T. M. Nurul Anwar
    A. T. M. Nurul Anwar May 08, 2018

    Thanks for the quick reply.
    But I could not really recognige the voltage regulator. There is a small black square shape device with three pins screwed on aluminium like metal piece (possibly heat disperser). If it is voltage regulator then I have to remove or cut the right pin looking from pin side, right?
    If it fix flickering problem then I have to replace this black square shape device for permanent solution, right?

    Thanks and regards,
    Anwar

  • A. T. M. Nurul Anwar
    A. T. M. Nurul Anwar May 10, 2018

    Please reply.

  •  Russ Hill
    Russ Hill May 10, 2018

    hi sorry i did reply but was not on account as been away. i would need to see the board, or at least have the board number. it will be printed on the board. and don't cut the pin as this will not work as its also a earth.

  • A. T. M. Nurul Anwar
    A. T. M. Nurul Anwar May 10, 2018

    Please see the attached power board picture. Additional information: now tv flickering remain forever, not fix after some time from switching on.

  •  Russ Hill
    Russ Hill May 11, 2018

    arh right ive not seen this board before but its a simple system, you have a bad voltage regulator and a faulty bridge rectifier. this will case a voltage pulse. if you check the voltage with a meter it will be pulsating on the voltage. if you cannot find the rectifier for the voltaged if you give me the number there are alternatives. same for the bridge rectifier. there are a number of voltage rectifiers. from 1 to 5 amps and adjustable voltage thought pin 3 on the type you need. bridge rectifiers need to be the same fitting i.e left pin - right pin + and vice versa. mians is the middle unless stated on the chip. the diode above the middle transformer will probably need replacing to as this would be for the transformer.

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