Vintage Synth Repair

Hi,

I ordered a membrane switch panel from Technology Transplant and it never arrived. After a month I contacted them but they never replied. So, I asked Paypal for a refund and got my money back.

Instead, I was able to repair  the original switch panel. This is not an easy job but it can done. I peeled off the membrane switch and repaired the broken traces with conductive paint like Caikote 44. I also repaired the flex cable using thin wires that I "soldered" to the traces of the membrane using conductive paint.

Now, the only problem I have is to tune the synth. I did not find all the trimpots that are mentioned in the service manual. Maybe there is a few different versions.
Anybody knows how to tune the oscillators?

Thank you!

Nicolas   
 


--- In vintagesynthrepair@yahoogroups.com, "Lorne Hammond" <lhammond@...> wrote:
>
> Sometimes I get too subtle.  My reading of them is this: you have to decide
> whether you want to risk throwing the money away and buy one at their site
> and wait for it to a) arrive, or b) never arrive.
> 
> My experience is they will never (either way) answer your email of inquiry.
> They have always been like that in good or bad times.  If b just send 1-2
> complaining emails (after 6 weeks) and then give up.  
> 
> I know this is not the ANorth American model but it is what happens.  But
> ask sam first.  He will do exactly what he says promptly.  Or he may be able
> to get it in one last shipment if they are closing down.
> 
>  
> 
> Lorne
> 
> From: vintagesynthrepair@yahoogroups.com
> [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of Nicolas
> Sent: Thursday, July 04, 2013 8:14 AM
> To: vintagesynthrepair@yahoogroups.com
> Subject: [vintagesynthrepair] Re: Moog Source membrane switches
> 
>  
> 
>   
> 
> 
> Hi,
> 
> Thanks for the information. I sent them a message and wait for a response.
> 
> I was wandering if I could remove the front cover and try to repair the
> defective trace circuit of the membrane.
> Anybody ever tried that?
> 
> Thanks!
> 
> Nicolas
> 
> --- In vintagesynthrepair@yahoogroups.com
> <mailto:vintagesynthrepair%40yahoogroups.com> , "Lorne Hammond"
> <lhammond@> wrote:
> >
> > Chipsforbrains/technology transplant, which may or may not have gone out
> of
> > business remanufactured that front membrane. Try sam at syntaur.com in
> case
> > he still has old stock of it from them. He used to buy wholesale off them.
> > 
> > 
> > Feedback on shipping from technologytransplant.com has been uncertain in
> the
> > last six months, they may or may not ship. Its listed at the old real
> > bargain price of 89.90
> > 
> > http://www.technologytransplant.com/index.php?cPath=30_62_54 I asked them
> > directly what was up and got no answer. Feel like a gambler? 
> > 
> > 
> > 
> > Years ago I had zero feedback from them and received eventually 2 kits for
> > an 808 & a 909 rebuild. I notice they have disappeared off ebay.
> > 
> > 
> > 
> > Lorne
> > 
> > 
> > 
> > 
> > 
> > From: vintagesynthrepair@yahoogroups.com
> <mailto:vintagesynthrepair%40yahoogroups.com> 
> > [mailto:vintagesynthrepair@yahoogroups.com
> <mailto:vintagesynthrepair%40yahoogroups.com> ] On Behalf Of Nicolas
> > Sent: Wednesday, July 03, 2013 9:03 AM
> > To: vintagesynthrepair@yahoogroups.com
> <mailto:vintagesynthrepair%40yahoogroups.com> 
> > Subject: [vintagesynthrepair] Moog Source membrane switches
> > 
> > 
> > 
> > 
> > 
> > Hi everybody,
> > 
> > I'm trying to repair a Moog Source that has a few problems. So far I was
> > able to fix the problems by reinstalling a new 5 volts regulator and doing
> a
> > cleanup of the internal connectors. 
> > 
> > But the problem I'm having is that there is a few membrane switch that
> does
> > not work.
> > The defective switches are located at the right of the synthsizer: OSC1,
> all
> > of the switches of the Voltage Controlled Filter, all the S and R switches
> > of the ADSR.
> > So far I've tried to swap the chips in the matrix circuit but that did not
> > help. 
> > I guess the membrane itself is defective.
> > 
> > Is there any way to repair the membrane if only a group of switches are
> > defective?
> > Thank you!
> > 
> > Nicolas
> >
>