[Icom] IC-746 built-in Antenna Tuner problems

[George, W5YR]

Harry, what is the serial number of your PRO, please?

73/72, George    
Fairview, TX 30 mi NE of Dallas in Collin county EM13qe   
Amateur Radio W5YR -  the Yellow Rose of Texas
In the 57th year and it just keeps getting better!


Harry wrote:
> 
> Al,
> 
> I had something similar go wrong with my 756 PRO.  My situation was on all
> bands the antenna tuner would tune to 1:1, but as I would speak into the mic
> the SWR would creep up to over 2:1. Oddly enough, this would not happen in a
> constant carrier mode such as RTTY or in CW. Only SSB.
> 
> I called Icom and the tech told me to send the rig in immediately. So they
> were aware of the problem.  In any event, it appeared Icom changed the
> tolerances for several caps in the tuner from the original specs.  This
> affected a limited number of 756 PROs.  All in all, a $0.10 part cost Icom
> probably about $150 in shipping and labor to repair the rig.
> 
> Again, this may be different issue but I would give Icom a ring...