Hi Darrell,
The Mitrek (and early Syntor, same family) had a dis-similar metals
problem with the connectors used between the Main Circuit board and
the Interconnect Board. The permanent fix was to swapout the
connectors on the Interconnect Board.
We had a fleet of Syntors (T83SRA) ... Motorola sent us a box of
new Interconnect boards with the proper connectors allowing us to
change them out.
Several years later, we had a Mitrek with an intermittent squelch
problem. Finally, I put a jumper wire between the Interconnect Board
and the main board bypassing the seemingly intermittent contact on
the Interconnect board.
Neil - WA6KLA
jistabout wrote:
>
> Hi Scott,
>
> Some early production 30w and 50w Mitreks had PA spurious problems
> when operating much lower than rated output.
>
> If you're using the original control cable connector on the radio
> to feed your controller signals in/out, check closely the connector
> between the Interconnect board and the Main board inside the radio.
> I've had these connectors go south and do all kinds of strange and
> unpredictable things.
>
> I am a great fan of the Mitrek - been using a converted 100w UHF
> mobile in repeater service here for almost 2 years running 50w
> into the duplexer with no problems whatsoever except for the above
> mentioned connector several months ago. Cleaning the connector
> solved the problem.
>
> Anyway, good luck and I'm sure you'll find the problem........
>
> - Darrell/KA7BTV
>
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