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no modulation

  1. S

    Realistic TRC-458 Problems

    I picked up a pristine unmodified 458 about 10 years ago and was put in the closet until recently. I was looking at doing a recap but decided to power it up to check things out. It powered right up and the receive worked great but no modulation on transmit but had carrier. Also no output on...
  2. R

    Robyn 520D low receive / no TX modulation

    I have a Robyn 520D that I am working on now. The gentleman stated that he put it up 12 years ago working and when he fired it up recently it didn't work. So when I started here is what I got.. Extremely low receive-AM/LSB/USB but you can hear the hiss increase with the volume. I have to turn...