Vintage Synth Repair

I just called Roland and was told it was $35 plus shipping. I forgot 
to ask if it was available in PDF for free. I figured they would 
have offered if it was an option. Maybe I'll call back but if anyone 
has a scanned copy I would appreciate it.

--- In vintagesynthrepair@yahoogroups.com, "eggwheatis" 
<eggwheatis@...> wrote:
>
> Most, if not all Roland schematics are available in PDF
> from...surprise, surprise....Roland! Phone or email them.
> 
> He he.. you'll get a lot more than your money back right now..as
> is..so I wouldn't be too worried.
> 
> >>Roland JX10 is total dead. I think power supply was good. Lower
> priority. This one I don't have a schematic. Do you have one?
> 
> 
> --- In vintagesynthrepair@yahoogroups.com, "Frank Simon"
> <fsimon001@> wrote:
> >
> > Hi Steve,
> > I hope everyone doesn't attack you at once. I had  a crazy
> experience where I bought a Prophet 10, Korg Trident Mk II, and 
Roland
> JX 10 all for $30 each non working. I am an RF engineer and novice
> musician/Audio repairman. I know linear more than digital but I am
> going to throw out some questions since you offered. 
> > 1)My Trident I fixed due to NiCad battery meltdown destroying 
traces
> but I repaired the PC board(with wire) and all works great Strings,
> Brass, FLANGER!!!, but the Synth section makes occasional odd 
noises
> sounds like processing. Any trouble shooting advice would be 
appreciated.
> > 2) The P10 had no sound, lit up, I found a 5V regulator pulled 
down.
> Found the bad IC(burned my finger). Then like a dumb a## I was
> checking -5V reg T0-220 on a voice board,slipped shorted output to
> input and took out 4 CEM3310. OUCH!! Still don't know why due to
> internal Zener in CEM3310. I want to continue toubleshooting but 
don't
> want to buy pricey chips until my confidence is up. Can I put the
> board in without 4 of the 10 CEM3310 and continue. I'm sure no 
sound
> but -5v reg will be up. Any advice appreciated.
> > 3) Roland JX10 is total dead. I think power supply was good. 
Lower
> priority. This one I don't have a schematic. Do you have one?
> > 4) Finally my Hammond H-112 had low volume and I found unplugging
> the Reverb tank it came back full volume. I think the reverb is 
ok. Do
> you think it could be a tube driver? Sounds odd that it would shut 
the
> amps down.
> > 
> > Sorry for the overload. I'm excited about these synths. If I fix 
one
> I got more than my money back. The Korg is very close. I will cry 
if I
> can't fix the P10.
> > Thanks,
> > Frank
> >  
> > 
> >   ----- Original Message ----- 
> >   From: thirteentech 
> >   To: vintagesynthrepair@yahoogroups.com 
> >   Sent: Tuesday, April 15, 2008 7:54 AM
> >   Subject: [vintagesynthrepair] Hi from a new member.
> > 
> > 
> >   Just wanted to introduce myself... I am a synthesizer service 
tech
> from Sydney, Australia. I 
> >   have been fixing synths since 1982, as well as a lot of 
touring as
> a keyboard tech. Currently I 
> >   have around 22 vintage machines that I play and use for 
recording,
> and have been a warranty 
> >   tech in Australia over the years for PPG, Kurzweil E-mu and
> Sequential. Hope I can help out a 
> >   little on the forum, and learn some new things too :-)
> > 
> >   Steve Jones.
> >
>