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Thread: Help with ts440s vfo dial problem

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  1. #1

    Default Help with ts440s vfo dial problem

    Hi Guys and gals, I have got a problem with my TS440s in that when I rotate the VFO dial the frequency only goes up... It also goes up when I turn in the reverse direction. But when I use the up and down buttons on the mike it works ok.. Any ideas where to start looking...

    thanks

    John

  2. #2

    Default

    Probably the shaft encoder.

    People regularly part these radios out and sell the stuff on ebay.

  3. #3

    Post

    Yes, it sounds like a dirty or fault shaft encoder (could be corrosion on the encoder plug to PC board).

    I believe that rotary encoder is still available from Kenwood Parts.
    Good Kenwood techs (Avvid) are available to address this, check your memory coin cell battery and the audio amp capacitor.

    w9gb

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