[Kenwood] TS-850 Power Out Control

[k2kw-8 at adelphia.net]

>From the AVVid report on my rig with low power:

" Power level was down because "Power Down" switch on the RF unit was on."

Kenny K2KW


---- Rob Atkinson <k5uj at sbcglobal.net> wrote: 
> I think processor should be off.  But adjusting vr7 may not be 
> necessary.  As Kenny said, I am also certain that the 850 has a switch 
> or some sort of adjustment inside that limits power to 50 and maybe 75 
> watts.  I think it is supposed to be used to protect some types of 
> linear amps or perhaps in some countries those are the power limits for 
> some classes of license.  If that is not the problem, you may have 
> aggressive ALC limiting your output because the rig is getting RF back 
> into it and that causes a false positive for the ALC circuit.  I have 
> run into this with both my 850 and 870.  one thing that surprisingly 
> made a difference here was removal of the ground strap to the rig.  
> Ferrite chokes on the mic cord  at the connector and a line isolator at 
> the back of the rig on the feedline  helped.  but before you go off on 
> this, put the rig on a dummy load and see if it behaves differently.   
> You will probably get some comments that 20 w. is not a noticeable 
> difference but I disagree with that because A.  you paid for 100 w.  
> and you are entitled to get that performance, and  B. if you are 
> driving a pair of 3-500s you need a full 100 w. to fully drive the amp.
> 
> rob / k5uj
> 
> 
> On Tuesday, November 14, 2006, at 06:27 PM, <k2kw-8 at adelphia.net> wrote:
> 
> > I had sent my 850 for repair at AaVid a few weeks ago, and I also had 
> > low power in the 75w range.  I think there was a switch or menu set 
> > wrong, not VR7.
> >
> > I would tell you what it is, but the rig/paperwork is at the shack, 
> > and I'm away for the next day or two.
> >
> > 73, Kenny K2KW
> >
> > ---- Shashi <mail at kozistoves.com> wrote:
> >> My ts-850 is putting out 80 watts  on all band I would like to incres 
> >> it to
> >> 100 watts on ssb.The question is the processor should be on or off  
> >> when
> >> adjusting the VR7 on the RF Board ?
> >> 73
> >> ve4pts -Stephen
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