[TenTec] OMNI Vl Model 563 - Carrier balance procedure & Tx in -Tx out jumper

[Bob McGraw K4TAX]

Carrier null should be done on 20M.  Do switch from USB to LSB several times and compromise any difference. 

Bob, K4TAX


Sent from my iPhone

> On Sep 24, 2018, at 4:13 PM, Paul Kraemer <elespe at lisco.com> wrote:
> 
> Greg
> You can easily observe the rig output with the Tek scope
> Connect rig to dummy load and lightly couple scope to dummy load
> Just key the mic with mic gain all the way down and adjust for minimum display of the unwanted carrier.
> Check both sidebands and go for best compromise
> Paul K0UYA
> 
> -----Original Message----- From: Gregory Smith
> Sent: Monday, September 24, 2018 7:33 AM
> To: Discussion of Ten-Tec Equipment
> Subject: [TenTec] OMNI Vl Model 563 - Carrier balance procedure & Tx in -Tx out jumper
> 
> I bought a used OMNI Vl and need to tweak the carrier balance on the TX Audio board (81597/92842)  This is done using  R3 ac balance and R4 dc balance.  I have DVM and a Textronix scope, but no panadapter or spectrum analyzer.  Can anyone guide me through this?
> 
> 
> Also, the small plug-in pcb jumper that plugs in the back phono plugs between Tx in and Tx out is missing.  I'm using a temporary jumper.  Does anyone have one available.
> 
> 
> Thanks,
> 
> Greg W2GLS
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