Ok, I think I have missed it, or misplaced it. Which ones are the VCO adjustment pots. All the manual tells me is to adjust the VCO pots, but I have no diagram showing which ones they are.
Mathew
"Bob M." <[EMAIL PROTECTED]> wrote:
Cute method. I believe even the digital station can
output some tones, although I've never heard them.
Mathew also asked (originally) what else needed to be
adjusted when moving the frequency. The transmitter is
already wide-band and other than the VCO, it doesn't
have any adjustments at all.
The two VCOs, the five receiver mixer/injection coils,
the six receiver front end coils, and the seven
duplexer/filter coils are it (that's enough!). Of
course you also have squelch, output power, deviation,
etc, to contend with, but these shouldn't vary much
with frequency, certainly it's a lot more stable and
consistent than some of the radios like MaxTracs where
there are 16 frequencies to adjust deviation and
power.
Bob M.
======
--- nj902 <[EMAIL PROTECTED]>wrote:
> --- In [email protected], Mathew
> Quaife <[EMAIL PROTECTED]>wrote:
> "...I put in the new eprom, and all it does is beeps
> at me. .."
>
______________________________________________________________________
>
> The alarm tone beeps are generated once every 10
> seconds, and if more
> than one alarm condition occurs simultaneously, the
> various alarm
> tone beep messages will be sent one after another
> (separated by about
> one second) starting with the highest numbered alarm
> to the lowest.
>
> Each alarm tone beep message consists of a series of
> tones. The
> number of tones in the series is equal to the number
> of the alarm
> signal. Station alarms numbered 1 through 7 are
> internal station
> alarms and indicate faults that have been diagnosed
> within the
> station.
>
> These alarms correspond to the four data bits at
> Address 12 of the
> MUXbus, and three (BD0-BD2) of the four data bits at
> address 13.
>
> 3 = Synthesizer unlock
>
> See service manual 68P81062E75, Maintenance and
> Alignment page 9,
> Section 6.3, VCO Adjustment Procedure.
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