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GPX 4500 .made in Korea

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  • GPX 4500 .made in Korea

    hi
    today i want repair this machine , i open it and see the analog parts , all seems ok . when coil connect IRF840 produce 450Vp-p and another ics have out put ( i check by scope ) .
    just when on detector the LCD always reset and do not go to menu . my means of reset not on and off , just do not up detector.
    i think digital park have error . use Atmega32 and 16MHZ crystal .

    part list :
    s9041 c331
    2n5415
    4013
    555 , 2 number
    KA331
    LF412
    LT1033cp
    relay 10A , 250v
    lf3s**

    so where is the problem do you think
    regards

  • #2
    I think you spooked them all Mohandes. Fear of Seppo-styled litigation and corporate thuggery silences the lambs.

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