thread: MS-20 problems
View Single Post
Old 11th July 2012
Gear Maniac

Originally Posted by Xero View Post
4xxx series cmos IC's are often dead or dying, modern ones are made to much better standards, some would say, replace them all...but that might be overkill.
Yeah, there are 18 * 4XXX series IC's and 5 * 14XXX series IC's, pretty much every IC should be replaced then.

Originally Posted by Xero View Post
I'd probably look for any CMOS ic's as part of the other circuits that you're having issues with, more than likely that's the cause, or, perhaps your knobs just need cleaning.
I was also thinking about spraying the knobs, but I didn't want to open the MS and I also think that the problem lies a bit deeper - like in the IC's or caps.

Now I just have to find a technician to fix mah baby.