Vintage Synth Repair

Hi Duncan,

Oh man, thanks a ton.....I personally cant read schemos but my best
friend is a tech so I'll get him to read them and help me fix this
baby... if you have the time and could upload them I would be
completely thrilled! thanks for replying! 

later,
ben
..



--- In vintagesynthrepair@yahoogroups.com, "duncan" <ferrograph@...>
wrote:
>
> >>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.
>