How to Hook Up a Battery Back to an Astron Power Supply

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    • 1). Cut the trace on the PCB of the Astron power supply. Cut it between Pin 4 of IC UA723 and the R5 wiper.

    • 2). Use a 10K ohm ¼ or ½ watt resister to bridge the cut you just made in the trace.

    • 3). Set the output voltage by adjusting the R5 wiper to the desired voltage amount.

    • 4). Hook the battery to the power supply by clipping the black clip to the negative (-) symbol and the red clip to the positive (+) symbol.

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