My brother is working on an intermittent problem with 40 meter receive. It
started out with 40 meters going almost dead. Tapping on the chassis would
return the receive function to normal for awhile. He just opened up the radio
and tried to track down the problem. The KXV60 board, when tapped, would, make
the problem disappear. He removed the board and narrowed the problem down to
the 40 meter bandpass filter area. He looked at the solder joints and did not
see any that looked bad. He's going to look those over again with more light
and a bigger magnifying glass. Then, if he doesn't find anything, he will
reheat all of the solder joints. He says that it seems most likely that the
problem is around L1 and L2 since when he taps in that area, the problem goes
away and then comes back. It may be the transformers, a relay or some other
component. Hopefully, he'll find a bad solder joint or reheating them all will
solve the problem. I'm wondering if anyone has
possible solutions, a way to narrow the problem down further or any
suggestions.
Tnx es 73,
Dave N8AG
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