Vintage Synth Repair

>>My Roland sequencer 104, which has been fine until now just started
> acting UP!!!
> 
> Im sure its just a tiny crack or something, but the first row of cv
> just outputs a low voltage and the knobs do nothing, gate is being
> sent, just no cv...
> 
> any ideas, I had it open and cleaned it really well, but I couldn't
> see any cracked solder points or wires hangin ....<<

can you read schemos? I have the diagram for this thing somewhere.
what I remember (haven't opened mine for ages) is that if the 2nd
column is working ok, it's probably the buffer amp or CV range switch
that's your problem. I will look for the schemo to send you.

duncan.