Hello........
During the last contest I began to develop a problem. When I key the alpha, non
qsk mode, everything is fine. When I let up on the key the amp continues to
mute the receiver. If I tap on the left side of the amp, the receiver comes
back to life. Looking at the schematic, it appears that K-10 (dpdt/24vdc) relay
is sticking or k-11, 24 vdc reed relay is sticking. I suspect the former.
Knowing Alpha, K-10 is a specially designed relay. Any thoughts before I have
to call them?
Also....does anyone know exactly what type of fuses the Alpha 76PA and Alpha78
use? The manual omits this info. I seem to recall something like MDA-20 amp
ones.
Carol
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