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Digistrobe from Power Instrumnts

Discussion in 'Electronic Repair' started by Louis Lampe, May 21, 2013.

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  1. Louis Lampe

    Louis Lampe Guest

    Looking for repair info. Like a schematic. The digitl display lights up butno strobe. Probably vintage about 1964. No other model number or S/N just Digistrobe.
    Two circuit boards, one for the display and frequency cintrol.
    Another board has the strobe lamp plugged into an octal socket and some trigger circuitry. Two bad electrolytic caps. Voltage doubler maybe. The unit was stored for about three years and the caps failed after storage. Maybe just old caps but maybe something more.
    Powwer instruments sold out to Ametek a long time ago so no help there.
    Does anyone have any info on the Digistrobe.
    Thanks,
    Lou.
     
  2. N_Cook

    N_Cook Guest

    Looking for repair info. Like a schematic. The digitl display lights up but
    no strobe. Probably vintage about 1964. No other model number or S/N just
    Digistrobe.
    Two circuit boards, one for the display and frequency cintrol.
    Another board has the strobe lamp plugged into an octal socket and some
    trigger circuitry. Two bad electrolytic caps. Voltage doubler maybe. The
    unit was stored for about three years and the caps failed after storage.
    Maybe just old caps but maybe something more.
    Powwer instruments sold out to Ametek a long time ago so no help there.
    Does anyone have any info on the Digistrobe.
    Thanks,
    Lou.

    ++++++++

    One thing to check is there has not been arcing inside the lamp holder, as
    tended to be bakelite in that era leading to a conductive track , as not
    ceramic then
     
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