Vintage Synth Repair

Update: Its considered to be C#4 in the manual not 1..also just
looking at the schems it points towards a S10430 Chromatic Divider
IC...which is bad as that looks pretty hard to get. There are two
dividers and I think they may be in sockets so it'll be pretty fast to
just swap them round to test..


--- In vintagesynthrepair@yahoogroups.com, Philip <eggwheatis@...> wrote:
>
> Ok I switched on my Roland RS-09 tonight and it has a
> definite problem now...I have C# playing all the time
> fairly loudly in the background..It relates to C#1 on
> the keyboard but its not a keyboard related problem if
> you see what I mean. IE if i play the C# 1 key it
> plays a louder C# on the top. It's across all the
> sounds and is affected by the tune knob, transpose
> etc. Any ideas before I break out the schematics?
> 
> Phil.
> 
> 
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