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Ts520s PTT relay chatter

Discussion in 'Ham Radio Discussions' started by VK6HLY, Sep 17, 2021.

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  1. VK6HLY

    VK6HLY Ham Member QRZ Page

    I have a Kenwood ts520s that has a ptt relay chatter only in receive. I have disconnected the microphone socket and the send switch but the relay continues to chatter, sometimes going into tx by itself. Worse when just switched on with the chattering improving as the radio warms.
    Pressing the PTT on the mike connects tx normally.
    Any guidance appreciated
    Maurice VK6HLY
  2. K3PI

    K3PI Ham Member QRZ Page

    There is a really good Kenwood Hybrid group in io groups. Some real technical geniuses in that group. I’m betting someone in that group can help you with this
  3. KA9JLM

    KA9JLM Ham Member QRZ Page

    I would check the power supply for high Ripple. May just be a capacitor.

    Good Luck.
    KV4PD likes this.

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