Re: Cybernet PTBM121D4X problems
If it does not look obviously burnt, it's OK.
May have to consider the possibility that the output or driver are faulty after all, but I'll think of a few more things to check.
Can you try gently adjusting T2 / T3 further back - these are in the output path from the Synth VCO and the signal splits two ways after that, in one direction towards the receiver and in the other towards the transmitter. As before, leave them as you find them if you see no improvement over their current position.
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