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    Tram D201 Mods How to Undo them.

    A bit of progress tonight. After grounding the ALC/Compression circuit per the alignment instructions, the "squeal" is completely gone and everyone says the radio sounds very nice. I tested most of the components in the ALC circuit and haven't found anything faulty. Voltages are where they...
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    Tram D201 Mods How to Undo them.

    Excellent info! Thanks guys. I am going to go in further with the generator and comm analyzer (borrowing from work) tonight to try and see what the levels are starting at the first amp stage and working my way in. If it comes down to testing every component individually then so be it. At...
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    Tram D201 Mods How to Undo them.

    Thanks much for the reply and the info. Had both radios on the bench side by side tonight. Radio "A" has a jumper on the 1.5k resistor and radio "B" has a jumper on the 2.7k resistor. That explains why "A" puts out 6 watts and "B" puts out 10 watts instead of the 3.8-4.2 watts the book states...
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    Tram D201 Mods How to Undo them.

    I have been searching the web to no avail trying to find out what the power, VFO transmit and audio mods are for a Tram D201 but I have found very little info. Anyone have this info? I have two D201's currently, one works pretty much as advertised but the other one puts out a carrier of almost...
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