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emerson ms2580rda TV problem

Discussion in 'Electronic Repair' started by mack, Dec 13, 2003.

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  1. mack

    mack Guest

    Hi
    I have an Emerson MS2580RDA that had a burnt HOT
    when i replaced it and turned it on it makes a clicking noise about 3 times
    a sec. seems to be coming from the flyback.I put the HV wire against the
    chasis and it sparks a small approx.1/8 inch for every tick sound.could
    anybody help me with this problem?I hate to spend money on a service manual.

    Thanks
    Malcolm
     
  2. Jerry G.

    Jerry G. Guest

    Check to see if the new HOT is burned again. See if there are proper drive
    pulses coming from the scan generator to the base of the HOT. If there are
    only start-up pulses, from the scan gen, it is possible that there are
    problems in the main power supply, HT multiplier (usually part of the
    flyback), the flyback itself, and or some of the caps in the area. It is
    also possible that something is shorted, and loading the flyback secondary
    too much.

    You will have to get the service manual and troubleshoot this. There are a
    lot of variables here.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    =========================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    =========================================


    Hi
    I have an Emerson MS2580RDA that had a burnt HOT
    when i replaced it and turned it on it makes a clicking noise about 3 times
    a sec. seems to be coming from the flyback.I put the HV wire against the
    chasis and it sparks a small approx.1/8 inch for every tick sound.could
    anybody help me with this problem?I hate to spend money on a service manual.

    Thanks
    Malcolm
     
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