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1084ST , Commodore monitor LOPTX required .

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    1084ST , Commodore monitor LOPTX required .

    Hi all ,hoping someone can help as have spent time repairing a PSU issue only to discover LOPTX also faulty .

    Monitor actually working now , except for LOPTX arcing internally at regular intervals .

    See pictures
    Attached Files

    #2
    Re: 1084ST , Commodore monitor LOPTX required .

    The replacement LOPTX finally arrived from Donberg .

    It's type HR7495 , which has an external tripler unit , compared to the original which doesn't .

    Monitor works fine , but LOPTX is generating a noise until i advance the screen volts the point that flyback lines appear on display .

    Note , with original transformer , no noise .

    Any ideas on what i can try to reduce noise ?
    Attached Files

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