[sdiy] OT: Hammond Organ

[Michael Ruberto]

hi James,

This model only has a single on/off switch for main power. It also shows 
only this switch in the schematics.

M. A. Ruberto

>From: "James Coplin" <moog at qwest.net>
>To: "'Michael Ruberto'" <frankentron at hotmail.com>, 
>synth-diy at dropmix.xs4all.nl
>Subject: RE: [sdiy] OT: Hammond Organ
>Date: Sat, 11 Jun 2005 16:37:12 -0500
>
>Not to sound patronizing, but do you know how to turn a Hammond on?  
>Forgive
>me if you do but it sounds like it is not fired up correctly.  You need to
>hold the start switch up (usually on the left) until it gets going good
>(5-10 seconds) and then flip the run switch (usually on the right) and let
>go of the start switch.  If you don't do this, nothing will work right.
>Good luck!
>
>James
>
> > -----Original Message-----
> > From: owner-synth-diy at dropmix.xs4all.nl [mailto:owner-synth-
> > diy at dropmix.xs4all.nl] On Behalf Of Michael Ruberto
> > Sent: Saturday, June 11, 2005 4:12 PM
> > To: synth-diy at dropmix.xs4all.nl
> > Subject: [sdiy] OT: Hammond Organ
> >
> > I finally found some time to poke around inside my new T-524C spinet.
> > Suprisingly, the guts all seem in good shape and remarkably clean - no
> > dust
> > at all! 1st time I powered it up there was grinding sounds inside, a
> > constant loud hum from speakers, bottom manual dead, and the rythm unit
> > could be heard faintly when the volume was alll the way down. I don't 
>know
> > the 1st thing about troubleshooting this monster. however, I've found 
>that
> > it likes air conditioning. after running the AC for awhile the lower
> > manual
> > started working, the grinding stopped, and the rythm unit finally shut 
>up.
> > the hum is still there and it seems to be coming from the bottom manual.
> > Turning on Vibrato for the bottom manual affects the hum so I'm thinking
> > it's a stuck note.
> >
> > I really need information before I try fixing this any further. someone
> > already thoughtfully provided me with schematics but I'm still looking 
>for
> > a
> > source for the service manual, parts, and modifications. I very much
> > appreciate any help here.
> >
> > M.A. Ruberto
> >
> >
>
>
>