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Recent content by QHL214

  1. QHL214

    upd858 Ferris 5500 (Robyn 520d) SSB distortion on RX and TX

    Thanks for that loosecannon. I’ll check it out.
  2. QHL214

    upd858 Ferris 5500 (Robyn 520d) SSB distortion on RX and TX

    Hi everyone. I have an Australian version of the Robyn 520D (a Ferris 5500) which has distorted RX and TX audio on SSB only. AM is fine. I have completely recapped the radio and aligned it using the TRC-449 service manual. I guess it might be a problem in the IF stages or BM but all IC and...