[Amps] SB200

[Jim Vohland]

Hello all, new to list and posting first time. Have a sb200 which has been 
acting up a bit. Set up is Icom 751A driving the sb200 via ampkeyer 
interface.

Has developed intermittent problem (is there any other kind) where when 
transmitting and the mike is unkeyed, the receive stays dead. Thought I had 
a bad jumper but replaced and it went back to same problem. Wiggling the 
coax's will cause the receive to go in and out. I am not too much of a tech 
and have the amp over at a friends for work but just wanting to get a feel 
for what the experts say. Thinking possiblity of relay contacts or perhaps a 
bad solder joint somewhere in the so239 areas. Any ideas?????

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