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optical sensor

  1. Dave Sanders

    Technics Optical Sensor Circuit SL-1300Mk2

    After fighting the Optical Sensor Circuit in my SL-1300Mk2 for many days I have arrived at a solution that I believe makes the circuit much easier to adjust. In thinking about the only portion of the NAND gate IC501 (Gate 4) to serve a logic function in the Sensor Board I tried to determine the...
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