Radio Symptom and Cure Database
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200GTL 10 Meter
No output power, but still barely detectable on a nearby receiver.
2SC2290's are probably okay. Most likely need to replace Mitsubishi Power Mosfet RD16HHF1 driver transistor. It really needs to be an original Mitsubishi replacement. Pin-out and specs ARE NOT the same as the popular ERF2030 or IRF520.
Only true (not created by mis-use) failure I have seen on these so far.