Steve:
Usually the warbling is caused by the PTO, especially if running the
dial up and down the band a couple of times seems to help. The grease
gets sticky. There is another cause, if you have the remote PTO. The
contacts on the rear panel Molex socket can get tarnished and this leads
to instability of the remote PTO. Wiggle the connector and see.
I can't help you on the keyer. My original Corsair does not have it.
73,
Bob WB2VUF
n0tu/Steve wrote:
> I just picked up a nice Corsair II w/VFO and spent the weekend
> learning how to drive it. What a great receiver! Lots of bells and
> whistles to slice out the weak ones. After several hours of driving
> them (RX/VFO) its apparent both PTOs will need rebuilding sooner than
> later. The evidence is signal warble after tuning in a station which
> finally settles out. At first I thought I was hearing 'Arctic flutter'
> on a lot of stations but then realized it was on ALL signals! So any
> tips on rebuilding PTOs?
>
> Also I'm hearing a relay dropping in-and-out on CW? Should this be
> happening? ...maybe it's a amp control relay? Hoping I can disable
> this guy? Doesn't seem to affect the QSK as far as I can tell.
>
> Another thing is the silly keyer speed control pot's usable range is
> crammed into about 15 degrees? What's up with that? Plus the manual
> does not include the keyer schematic. Although it's referenced in the
> block diagram as the "logic board" no. 81246. Someone have the
> schmatic for this?
>
> So far I'm really happy with this rig. Think it'll stay on my desk a
> long time once I work out the little bugs. Best of all no menus!
>
> Steve/nØtu
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