Potentiometers

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Potentiometers are a common source of problems in old scopes. Often, just working the potentiometer back and forth over its range is sufficient to rejuvenate it. Other times, it is necessary to spray some cleaner into the pot.

  • Tek-made pot, part number 311-0304-00, VAR GAIN in a 3A74.

    Tek-made pot, part number 311-0304-00, VAR GAIN in a 3A74.

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