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#6
February 5th 08, 04:14 PM
posted to rec.radio.amateur.boatanchors
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Problem with KWM-2A
Leanne wrote:
"Lee K. Gleason" wrote in message . .. Just got around to trying to put a KWM-2A I bought a few years back on the air. It's in roughish condition, but seems complete and usable. After replacing a failed diode in the power supply, it recieves fine. I've been trying to transmit, and there seems to be a problem. It tunes up OK into my dummy load - the power meters in the dummy load indicate RF is flowing while it's in the LOCK mode. When I try to transmit using the PTT microphone that came with it, the relays clack when I key it, but...no RF out. I'm wondering if this is a common problem - anyone heard of it? -- Lee K. Gleason N5ZMR Control-G Consultants Try swapping out V1 the first audio amp as half is used for the mike audio and the other side is the tone oscillator. It is possible to to have rf out on tune up, but nothing on ssb. Also, there are a couple of low voltage electrolytics in the microphone stage that are always bad after this much time. -Chuck |
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