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need help with garrett sch.

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  • need help with garrett sch.

    Hello all,
    I have a Garrett Master Hunter CXII and after it rest for aprox. 1 year, I
    insert the battery pack (with new batteries) and no sign of life, except the
    meter that jump to 12 (max battery) but only while pressing the "ON" button
    and without the few seconds of delay like in normal operation mode.
    Sometimes, after 10...20 min. it start to beep a few times, very heratic, and
    that is all. I live in Eastern Europe, so I don't want to send it in US. The 4
    MHz clock is running while "ON" is pressed, also I measured the +5V line and
    it is ok....however the -5V is not present. I hope somebody from this forum
    have a schematic for my detector, even if it is not the CXII, but close to this
    and send to [email protected] .
    Thanks and best regards,
    Cristi
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