[TenTec] Ten Tec Corsair II buzz in ssb

Gustavo Andrada lw3ewz at speedy.com.ar
Fri Sep 12 20:51:41 EDT 2014


Barry im suppouse too for the processor but i disconect the mic input in te
dsb board and buzz continue..

73
Gus lw3ewz 

-----Mensaje original-----
De: TenTec [mailto:tentec-bounces at contesting.com] En nombre de Barry N1EU
Enviado el: viernes, 12 de septiembre de 2014 21:30
Para: Discussion of Ten-Tec Equipment
Asunto: Re: [TenTec] Ten Tec Corsair II buzz in ssb

Gus, I'm no expert but if you're able to troubleshoot with a schematic, then
you might want to rule out a problem in the Audio Processor board (mic input
circuit).  There should be a connection (carrying tx audio) between the
output of that board and input to the balanced modulator on the Double
Sideband Generator board.  I'd break that connection and see if that cuts
the power output when you push PTT.  The other thing to do is clean the
contacts on all the connectors, check the grounds on all the pcb's, and
check the wiring of the mic connector and rear panel audio input.

73/GL,
Barry N1EU

On Fri, Sep 12, 2014 at 11:42 PM, Gustavo Andrada <lw3ewz at speedy.com.ar>
wrote:

> My Ten Tec Corsair II suddenly have a problem in SSB , when push the 
> ptt have a buzz and in alc max the transceiver put 100 watts in 
> antenna without modulation with te alc off put 10 watts, when talk to 
> mic the audio is distorted  and the meter in fwd position has reverse 
> peak. In cw  no have problem. Put the 100 watts to key down.
>
> The receive is perfect in ssb y cw. No Problem  wiht the power supply.
>
> Any idea?
>
> Thanks in advance
>
> Gus
>
> lw3ewz
>
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