[HAM] Blank keys/tones

[step5066 at bellsouth.net]

That's cool. I'll check the wires and see what happens. I hope that is all that is wrong. That's an interesting way to test for tones.
Thanks
Brian
>

> From: Scott Hawthorn <organfreak at donobi.net>
> Date: 2003/06/09 Mon PM 02:18:28 EDT
> To: hammond at zeni.net,  hammond at zeni.net
> Subject: Re: [HAM] Blank keys/tones
>
> At 08:44 AM 6/9/2003, step5066 at bellsouth.net wrote:
>
> >While playing my Model A, I noticed that there were some keys that seemed
> >to be missing tones. I thought this was because a wire or contact had gone
> >bad on the key itself. I compared the tone on the keys of the great with
> >corresponing keys of the swell via the first black preset key. I found out
> >that certain keys would not play on the first and second preset key of
> >both manuals when I pulled out one drawbar. Is this normal? Judging by the
> >strategic muting of certain keys, it seems that this would be normal. Then
> >again, the closely related muting of these tones could be just a
> >coincedence. Anyone have any insight?
>
> OK, there are plenty of ppl here who can answer this, but I guess I am the
> one with the free time.
>
> It's not normal operation, but it is consistent with there being problems
> at the generator. This is very common, especially if the organ was moved
> without fastening-down the generator. We know this because the absent tones
> are missing from the same keys on both manuals. If you pull out a drawbar
> one octave higher than the one you're testing with now, you will see the
> same tone is missing when you play the key an octave below. (Occasionally,
> the feeder wire soldered to the back of the manual will be broken, but this
> is much more rare.)
>
> Look at the tone generator: the wires along the top go to the manuals. Some
> of them will be broken off. It should be a simple matter to re-solder them,
> since they will be very near their associated lugs. If you want to test a
> lug to see what tone it's putting out, fasten a wire to one of the top
> preset bars (rows of bars on the right), and touch the other end to the
> lug. The tone should play.
>
> If there are no broken wires, then you have more serious problems with the
> generator. We won't go there now.
>
> -Scott
>
>
>
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