Try the obvious first. Make sure all the boards are in tight. Take 'em
out and put 'em back in.
Paul
>
>
> >From: "Jim Reid" <jimr.reid@verizon.net>
> >To: <tentec@contesting.com>
> >Subject: [TenTec] Low Output, Corsair II
>
> >
> >Wonder what now. Was sailing along on 40 CW at around
> >85 watts out; then it was down to 17 watts!?
> >
> >Now, best Pout on 40 CW, into a Bird dummy load is about
> >30 watts. Drive knob fully CW; ALC knob also full CW. However,
> >the ALC light goes OUT after the ALC knob turns much past
> >the 2:30 position or so? Occasionally the Pout will get up to
> >37 watts. Ic on the CII meter reads 10A at 33 watts into the
> >load.
> >
> >Best Pout on the other bands into the load: 160, 22W;
> >80, 22W; 40, 33W; 24W; 20, 24W; 17, 22W; 15, 15W,
> >12, 22W; 10, 6W. For whatever use that info might be.
> >
> >Just 13 months ago I had this unit(561) at TT for check out for low
> >Pout. Note which came back with the rig was that they had
> >resoldered the low level driver board connections, reset the
> >AKC and tested all bands as OK. And this was after the unit
> >had been at TT just the month before that when it was completely
> >dead! List of fixes came back with the first service; not clear
> >which particular one actually brought the 561 back to life.
> >
> >I suspect the age and the shipping across 5000 miles has had
> >something to do with those early problems after I bought the rig
> >and had it shipped out here from the East Coast. But don't
> >understand how the power can be just fine, and a few minutes
> >later be cut more than in half with no movement of the unit on
> >the bench.
> >
> >Oh, oh. That line just gave me an idea; why not slap this
> >unit and see what happens. Just did that----and the Pout
> >just jumped back up to 78 watts on 40!! So, bopped it again,
> >just with my outstretched fingers -- Pout jumps up a bit more
> >to 83 watts?? And the Ic is up to about 14 amps.
> >
> >Obviously something is loose, not quite right inside, hi.
> >
> >I would prefer NOT to ship this entire unit back to Tennessee
> >again, but maybe just the right boards
> >
> >Any thoughts, suggestion? My vision is not so good, so no way
> >I can get in there and resolder any connections, hi! But my
> >xyl can if I knew where to aim her!
> >
> >73, Jim KH7M
> >
> >
> >
> >_______________________________________________
> >TenTec mailing list
> >TenTec@contesting.com
> >http://lists.contesting.com/mailman/listinfo/tentec
>
>
> _________________________________________________________________
> Get your FREE download of MSN Explorer at
> http://explorer.msn.com/intl.asp
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
________________________________________________________________
GET INTERNET ACCESS FROM JUNO!
Juno offers FREE or PREMIUM Internet access for less!
Join Juno today! For your FREE software, visit:
http://dl.www.juno.com/get/web/.
|