Hammond Cougar 7100 Manual (Hammond Aurora 8022KM also mostly).

[Guest]

Hi all,

While trying to find out about and service the internals of my largely unloved and much maligned Hammond 8022KM organ I came across this manual for the Cougar 7100, which shares almost all the same internals (the only difference I can see is that there are two drawbars for the lower manual versus one on the Cougar. Most importantly the power amp board is the same one. Anyway, I have included links here for anyone who needs them.

https://drive.google.com/file/d/1laF...ew?usp=sharing

https://drive.google.com/file/d/11Up...ew?usp=sharing

[Yanick Borg]

I want to show you guys how to fix that wobbly sound on the Hammond Aurora and other alike models using the IC dividers from the master oscillator.

Solder a wire, as shown in photo to the divider board (depending on the note having issues).

Connect it to the chassis of the rythmn unit temporarily while holding down the note.

This took a while to trouble shoot. I tried replacing the ICs from my box of spares. Didn't work. This works.

;) Good luck.