[sdiy] OT: Hammond Organ

[Peter Forrest]

I think by the time of the T series thay had managed to change this system 
to a straightforward one, James!
I think I have the service manual, but a.) it is MASSIVE and b.) I'm in the 
UK.
Peter
----- Original Message ----- 
From: "James Coplin" <moog at qwest.net>
To: "'Michael Ruberto'" <frankentron at hotmail.com>; 
<synth-diy at dropmix.xs4all.nl>
Sent: Saturday, June 11, 2005 10:37 PM
Subject: RE: [sdiy] OT: Hammond Organ


> 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
>>
>>
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