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Recent content by Realred

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    Galaxy DX66V3 AM modulator transistor very hot

    Wow! You've given me a whole lot to absorb here. I'm a hobbyist who works on audio stuff, amps, tape decks, turntables that sort of stuff so I have basic test equipment and some knowledge of audio circuits but this RF stuff is like witchcraft or something. The big current draw and subsequent...
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    Galaxy DX66V3 AM modulator transistor very hot

    That 324ma current draw was at idle unkeyed. When I key the mic (no audio) it draws 7.4 amps and climbs slowly. Should I be trying to adjust this down?
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    Galaxy DX66V3 AM modulator transistor very hot

    Thanks Andy. I put an ammeter inline with the power fuse and show 324 ma current draw. This being a dual final radio, do I just adjust the driver trimpot and then each final trimpot until the current won't go any lower and then adjust up from there?
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    Galaxy DX66V3 AM modulator transistor very hot

    Thanks for the reply sp5it. It will burn your finger. Can you educate me on those mods?
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    Galaxy DX66V3 AM modulator transistor very hot

    I have this radio which a friend gave me to fix. When I took the covers off a little green capacitor fell out. I have no way to know where it goes as there are many intentionally empty capacitor spots on the board. There is also one tacked on the solder side. The radio had a shorted final...