Re: Sh-101 problem
2008-04-19 by inocencio66
... That was a very useful information. Thanks. I had assumed the chip had to be of the same exact version/batch as stated in the manual. But, it has to be
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Re: [vintagesynthrepair] Prophet 10 repair (was Hi from a new member).
2008-04-18 by Frank Simon
Steve, I am pleased to know there is a technique to troube this with the bad ICs. I hope to get to that point soon. If I remember there were no LEDs on control
Re: Jupiter 4 calibration + BA662
2008-04-18 by eggwheatis
Quick update: Yep IC16 the BA662 is definitely bad so I need to source one or a BA6110 if I cant get them. The 6110 looks like it ll be ok just has a different
Prophet 10 repair (was Hi from a new member).
2008-04-18 by thirteentech
Well, if you have metered all of the power supply rails in the machine, and are satisfied that they are all in spec, then go ahead and put the voice boards
Re: [vintagesynthrepair] Jupiter 4 calibration + BA662
2008-04-18 by Philip
... Thanks Roy, yes it is indeed an issue with DC offset and there is a trimmer to adjust out the click on each module board. The trouble is on this one
Re: [vintagesynthrepair] Re: Hi from a new member. JX10
2008-04-18 by Roy J. Tellason
... I can beat that... :-) -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a
Re: Hi from a new member. JX10
2008-04-18 by fsimon100
I just called back and they do not offer PDF. It was Roland/US. I ll try UK.
Re: [vintagesynthrepair] Re: Hi from a new member. JX10
2008-04-18 by Philip
if you get stuck just mail the UK branch of Roland and ask for the PDF to be mailed to you. Phil. ...
Re: Hi from a new member. JX10
2008-04-18 by fsimon100
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
Re: [vintagesynthrepair] Jupiter 4 calibration + BA662
2008-04-18 by Roy J. Tellason
... I don t think that s a Roland custom part, I believe that it s probably made by Rohm. I don t seem to have a datasheet on it yet, though. There seems
Re: Hi from a new member.
2008-04-18 by fsimon100
Steve, Thanks, obviously I have a Rev 1. My schematic is a scanned copy and didn t see the note and still don t but I know you are correct. What do you think I
Jupiter 4 calibration + BA662
2008-04-18 by eggwheatis
Hi guys, just calibrated my Jupiter 4 using the service data and a scope..well it all sounds great now except for the preset Voice sound, it s very quiet.
Re: Hi from a new member.
2008-04-18 by thirteentech
The Prophet 10 service manual shows that U603 is a +5V for rev. 1 machines, or +12V for Rev. 0 machines. It looks like that supply is for either a 5V cassette
Re: [vintagesynthrepair] Hi from a new member.
2008-04-18 by Frank Simon
Hi Steve, I have a manual I downloaded from paintingwithsound.com. It is hard to read. I was a little disappointed when the power supply in my schematic states
RE: [vintagesynthrepair] Re: Replacement Keys for a Korg MS-20
2008-04-17 by Jose Pereira
Thanks Harold. I just asked because I never had a MS20 or related keyboard. Best regards. Jose. Portugal _____ De: vintagesynthrepair@yahoogroups.com
RE: [vintagesynthrepair] Odyssey Slider caps
2008-04-17 by Philip
thats a joke right? :O) ... ___________________________________________________________ Yahoo! For Good helps you make a difference
RE: [vintagesynthrepair] Odyssey Slider caps
2008-04-17 by Masada Wilmot
Mouser Electronics in the US has the old style covers. Check the catalogue pages for sub-miniature switches. Not all the colors are available (no pink iirc)
Re: [vintagesynthrepair] Odyssey Slider caps
2008-04-17 by Malte Rogacki
... Kevin Lightner recently had a few sets for revisions 1 and 2 in his ebay auctions; like this:
Re: [vintagesynthrepair] Odyssey Slider caps
2008-04-17 by John Keeley
Soft Stephen Jones wrote: does it use the slip on soft caps or the hard black trapezoidal caps? ...
Re: [vintagesynthrepair] Odyssey Slider caps
2008-04-17 by Stephen Jones
does it use the slip on soft caps or the hard black trapezoidal caps? ... ____________________________________________________________________________________
Odyssey Slider caps
2008-04-17 by John Keeley
What can I use for caps on my Odyssey ? I saw a posting once that had a switch cap that would work,but I don t know what it was or where I can get them.....
Re: Replacement Keys for a Korg MS-20
2008-04-17 by wny_synth
... Jos, I don t think so, The MS-20 keys are compatible with 700S, PS series, MS series and Sigma. They may also be compatible with Moog Prodigy, Source,
RE: [vintagesynthrepair] Re: Hi from a new member.
2008-04-17 by Keith Niver
Feel free to call. I am normally in the shop on Tuesday, Thursday and Saturday from 9-5 and Wednesday and Friday from 9-2. 518-828-0616 EDT, or email works
Re: Hi from a new member.
2008-04-16 by thirteentech
Thanks Keith, I am in Sydney in Australia, I haven t heard of MITA, I would be very interested in finding out more. Do you mind if I give you a call?
RE: [vintagesynthrepair] Replacement Keys for a Korg MS-20
2008-04-16 by Jose Pereira
Are the Korg poly 61 keys compatible with MS20? Best regards. José Portugal _____ De: vintagesynthrepair@yahoogroups.com
Replacement Keys for a Korg MS-20
2008-04-16 by wny_synth
Can anyone suggest where I could find a replacemenr D key for a Korg MS-20? Thanks in advance.
Re: [vintagesynthrepair] Re: What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-16 by Roy J. Tellason
... I looked in a box last night down in the basement and saw a can or two of Tun-O-Wash in there, from back before they changed the formula (when the whole
Re: What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-16 by martinreuter
... Keith, thanks so much, i found a distributor here in germany! He recommended MCL for cleaning and lubrication the switches and Pots (very exiting!), Deoxit
RE: [vintagesynthrepair] Re: What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-16 by Keith Niver
Caig makes a product called MCL for moving control lubricant. It cleans and lubricates. I’ve been using it on controls and switches the past couple of years
RE: [vintagesynthrepair] Hi from a new member.
2008-04-16 by Keith Niver
Where are you located Steve? Do you belong to MITA (Musical Instrument Technicians Association, International)? If you are interested, contact me or go to
Re: What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-16 by martinreuter
... Oh, I am nearly sure, that the contacts make the mechanical trouble. The switches had been moved not so often last 20 years.... In my prodigy-switches i
Re: [vintagesynthrepair] Re: Hi from a new member.
2008-04-16 by Stephen Jones
Hi Mike, thanks very much! ...
Re: Hi from a new member.
2008-04-16 by Mike de Vries
Good to see you here in this mailing list Steve.. (Steve has fixed a few of my things, is a nice guy & a damn good synth tech!) Regards Mike between 2008-04-01
Re: [vintagesynthrepair] Hi from a new member.
2008-04-16 by Stephen Jones
Wow, that s a lot of questions. I can help out, but not all at once, I have a workshop full of synths at the moment that I am fixing 1 by 1. Starting the the
Re: [vintagesynthrepair] Re: Hi from a new member. JX10
2008-04-16 by Roy J. Tellason
... I suppose you don t have a link handy, then. Not that the UK branch is probably what I want anyway... I know about A4, as that s what Roland and Korg
Re: [vintagesynthrepair] Re: Hi from a new member. JX10
2008-04-16 by Philip
Well I mail or phone the spares dept at roland UK.. I email at night and next morning the PDF is usually waiting for me in my email. Great service! I got the
Re: [vintagesynthrepair] Re: Hi from a new member. JX10
2008-04-15 by Roy J. Tellason
... I thought I had read somewhere that Roland was doing this, but wasn t sure. Do you have a link handy? One of my correspondents on the manuals issue
Re: Hi from a new member. JX10
2008-04-15 by eggwheatis
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
Re: What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-15 by Scott
... there is ... residue ... number of ... to use ... what the ... Rockerswitches of my ... Voyager. ... of the ... really ... that are ... contacts, ... but
Re: [vintagesynthrepair] Hi from a new member.
2008-04-15 by Frank Simon
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
Re: [vintagesynthrepair] Re: Hi from a new member.
2008-04-15 by Stephen Jones
Sounds like the same issue that Kurzweil K2000 s have where the J109 FET s (to stop turn-on thump) fail if a lead with stray earth voltages is plugged in. ...
Re: [vintagesynthrepair] What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-15 by Roy J. Tellason
... Depends on whether you can put a drop of it on just the moving bits that are giving you trouble and be sure that it ain t gonna get in the contacts, since
What will clean + lubricate my Minimoog Rocker-Schwitches????
2008-04-15 by martinreuter
... Hi, OK, WD40 is in my Garage and only for Motorcycle Maintenance, but what the hell is the right stuff for lubricate my 30 Years old Rockerswitches of my
RE: [vintagesynthrepair] Re: Recommended caps for recapping a vintage synth
2008-04-15 by Scott Nordlund
If you have something that hasn t been powered up in a long time, it s probably a good idea to use a variac (variable autotransformer) when turning it on-
Re: [vintagesynthrepair] Re: Hi from a new member.
2008-04-15 by Philip
You mean 2SJ111 I think..they are common, just google it. ... ___________________________________________________________ Yahoo! For Good helps you make a
Re: Hi from a new member.
2008-04-15 by narfman96
Look for J111 FET s (or similar) near the output jacks. They are used for output muting and are a common failure item. I would like to see a schematic for the
Re: [vintagesynthrepair] Hi from a new member.
2008-04-15 by Stephen Jones
I don t have a service manual for that machine, I so rarely see Ensoniq gear come into my workshop, I think I have an ESQ 1 manual and that s about it. ...
Re: Hi from a new member.
2008-04-15 by Scott
... from Sydney, Australia. I ... keyboard tech. Currently I ... and have been a warranty ... Sequential. Hope I can help out a ... Welcome Steve!..I m sure
Re: [vintagesynthrepair] Re: Recommended caps for recapping a vintage synth
2008-04-15 by Philip
Hi..yep they still can go bad over time even with no use. I ve bought NOS 20 year old stuff that has had bad caps. If the supply in new then I wouldn t worry.
Re: [vintagesynthrepair] Hi from a new member.
2008-04-15 by Merlin Zener
G day Steve, I m in Darwin. Would you have, or happen to know where to get, a circuit diagram for an Ensoniq MR rack? Even if it was just the analog bit around