I have a Golden Eagle Mark III version 3 (CB, HF, XTL on switch) that was intermittant and now no receive. All three crystals (31.4, 31.72, and 31.1) are strong on Spec Anal when selected. The manual tuning oscillator in not running. I have not tried adjusting the coil. I have tried another tube. Is there a known common failure?
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Golden Eagle Mark III intermitant receive
- Thread starter arlo
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Those expansion kits worked well (saw your post over on the Browning forum). Everyone did it to their radios. Barkett still sells them. They were just a crystal and a new dial. The CB position is for the regular 23 channels (actually to 27). The HF for the uppers, 28 to 59, maybe even 60. The XTAL is for a single frequency (channel) like someone's home channel. Since it's not oscillating, then check the voltages on the oscillator tube. It could be just old parts like caps or resistors that need changing. If the voltage on the tubes is not correct, the radio won't work correctly. So if it has never been recapped or at least not in the last 20 years or so you may want to think about doing it. Electrolytic caps weren't meant to last much longer than that. They change value and /or start to leak DC though them and cause problems. You should check the values of the resistors. You can usually test them right in the circuit with an ohm meter with the power off, of course. Just pull the tube first, so it doesn't interfere with the measurement. If any are out of tolerance, or open, that will cause the voltage in the circuits to be incorrect. Of course the tubes should be tested as well or substituted with known good ones. Don't forget the nuvistor tubes (the two little metal cans in the back right-hand corner) either. When they get weak, it will cause the reception to be low and sometimes cause issues with the meter. A fifty-year-old radio is going to need some parts and aligning to keep it going, just like an old car.
For intermittents in old tube rigs check relay contacts.
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