Re: [vintagesynthrepair] Arp ProSoloist problem.
2013-04-03 by Malte Rogacki
Both of the Fuzz Guitar presets behave oddly. It seems like they sort of cycle through slightly different waveforms. Sine, square, saw, etc. Abruptly,
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ARP whiteface Odyssey filter module
2013-04-03 by alesisfusion8hd
Hi group, I m currently restoring my whiteface Odyssey. I tuned it up (PSU, A and B boards), changed a few tantalums and changed the LM301 driving the filter.
Arp ProSoloist problem.
2013-04-03 by Jim Blair
I just picked up a second ProSoloist (kind of third, if you count the ProDGX). This one sat in a closet for 40 years, then restored. Perfect condition. Except
Re: arp quadra sound quits
2013-04-01 by bluejinn
... If there is no sound at all from any of the four sections, nor any of the several outputs, it does suggest power supply. I am having a similar issue, where
ISO: Yamaha KX-5 Service Manual
2013-03-30 by 65 Lotus
Bought schematics that are barely readable off some guy online. Pfft. I see several sites that want to sell a repro manual, but in the interest of being
Re: [vintagesynthrepair] Re: Yamaha SY99 Disk Drive Belt And Battery Holder
2013-03-29 by Roger J
Most supplier of electronics components in your neighborhoods once carried a line of CG products which include belts for tape recorders. They have a slde
Re: [vintagesynthrepair] Re: Yamaha SY99 Disk Drive Belt And Battery Holder
2013-03-29 by Paul Krull
Hi: Thanks for the response. I have seen that ebay listing though not translated into Italian. It s good to know that someone has direct experience with
Re: Yamaha SY99 Disk Drive Belt And Battery Holder
2013-03-29 by SG
Hi Paul, last year I replaced my SY99 drive belt whit this.
Re: Yamaha SY99 Disk Drive Belt And Battery Holder
2013-03-28 by alesisfusion8hd
No experience with SY99, but put battery holders on my DX7 and several modules of my TX816. Bought holders for 50 cents each, works well. Spacing is slightly
Yamaha SY99 Disk Drive Belt And Battery Holder
2013-03-28 by Paul Krull
Hi Folks: Does anyone know what a suitable replacement belt for the disk drive for the mighty SY99? There s a helpful YouTube video showing how to go
Re: Moog Voyager (fatar) replacement keys ?
2013-03-26 by Boddington
My pals at Syntaur have never let me down. http://www.syntaur.com/moog_voyager.html
Anyone have a Realistic MG-1 Prime C key?
2013-03-26 by Boddington
It appears that the usual guys online don t have this in particular. On the hunt. Pls msg if you have one. Thanks!
FS: 4 x SSM2056 and other Korg Poly-61 parts
2013-03-21 by Janne Lappalainen
SMM2056 EG chip is used in Korg Polysix, Poly61 and Trident. Also other Poly61 parts indluding cleaned keyboard. All tested and working except malfunctioning
Re: Moog Voyager (fatar) replacement keys ?
2013-03-20 by intrepidpete
Many of the older Ensoniq and Kurtzweil boards were also Fatar (Itallian I think) keybeds. I know it does not help that much since you still need to figure out
Moog Voyager (fatar) replacement keys ?
2013-03-16 by Gil
Where can one buy a replacement key for a Voyager which uses the Fatar keyboard ? Thanks !
Re: Octave Cat Rev A Schematics?
2013-03-15 by Boddington
Thanks Greg! All good tips.
Re: Octave Cat Rev A Schematics?
2013-03-14 by adhmzaiusz
I m currently working on 3 Octave Cat SRMs. I assume to some degree they are similar to the other rev s so I ll share a few things I ve taken note of: -The
Re: Octave Cat Rev A Schematics?
2013-03-14 by Boddington
Hey you re absolutely right. My bad. I thought there was a Rev A that applied to the pre SRMs. Thank for reminding me. That was from (bad) memory. In that case
Re: [vintagesynthrepair] Re: Octave Cat Rev A Schematics?
2013-03-14 by Kurt Faasse
Elektrotanya.com has the Octave Cat service manual with schematics. ... -- -=+*************^^^#^^^*************+=- My Format: Guardian: To Mend and Defend
Re: Octave Cat Rev A Schematics?
2013-03-14 by synthparts
Actually it s the SRM II service manual that I ve never found. Anyoen have it? I have the original Cat and SRM... Doug synthparts.com
Re: Octave Cat Rev A Schematics?
2013-03-14 by synthparts
Rev A Cats had no SSMs, only the SRM (SSM2040) and SRM II (SSM2044). I have never seen the SRM service manual, only the original and SRM II. Are you sure you
Re: Octave Cat Rev A Schematics?
2013-03-12 by Boddington
Quick update. The PCB says Rev A but I don t see those SSMs anywhere. This appears to contradict some old thread on the versions that exist. ?
Re: Oberheim OB8 tracking problem + more
2013-03-07 by synthparts
The OB-8 doesn t have individual voice cards like the X/Xa. What I would try is swap the CEM3340 VCO for VCO2 from voice 5 to another voice and see if the
Re: Arp ProDGX slider knob?
2013-03-07 by synthparts
I think I have it. Is yours the earlier version with the black buttons or later one with orange buttons? Doug synthparts.com
Re: Looking for a good Tech in North Carolina.
2013-03-07 by Bill A
Tritech in Greensboro is pretty good or so I have heard. They have not done any analog work for me but have worked on a XP80 for me. They aren t cheap though.
Re: [vintagesynthrepair] Oberheim OB8 tracking problem + more
2013-03-06 by Roger J
Magnus, You did no harm, those pins are easy to mis-align when lowing the upper tray. They are for the audio. Auto tune uses the audio output of each
RE: [vintagesynthrepair] Looking for a good Tech in North Carolina.
2013-03-06 by Keith Niver
For the tech, go to mitatechs.org and do a tech search by zip code and area. Keith A Niver Certified MITA Technician Niver s Inc 801 Columbia St Hudson, NY
Looking for a good Tech in North Carolina.
2013-03-06 by rwicker_nc
Hi, Does anyone know of any good techs in the Raleigh/Durham or Greensboro/Winston-Salem area of North Carolina? I ve got several of my babies that have been
Oberheim OB8 tracking problem + more
2013-03-06 by Magnus Arni Oder Kristinsson
Hi and thank you for giving me access to this group! This is my first post here and the the main reason I found out about this group and asked to join in.
Arp ProDGX slider knob?
2013-03-05 by Jim Blair
Anyone have this part? My ProDGX is in PERFECT shape.....except for one missing volume slider knob. Just the plastic cap on top. Very annoying. lol Thanks, Jim
Re: arp quadra sound quits
2013-03-05 by Lorne Hammond
Do not learn how on a quadra, it is immensely odd and complex. This is exactly the sort of job you shouldn t start with no experience. What you need is a
Re: Clavinet?
2013-03-03 by Paul
Hi Jim, A few years ago I had a D6 and had the same problem, as I recall I used a combinaton of soldering iron and hot air gun to soften the epoxy near the
Clavinet?
2013-03-03 by Jim Blair
I m wondering if anyone here has attempted to fix a Clavinet pickup? My upper died, and appears to be fixable, IF I can get to the wires inside the epoxy (or
JD-800 - Main Board vs Coca-Cola - [Solved]
2013-03-02 by Scott
Symptoms: Synth would boot up fine and operate ok via the display but no sound, only a nasty snapping and crackling in the outputs. Passed all ROM and other
Re: [vintagesynthrepair] arp quadra sound quits
2013-03-02 by Paul Krull
The Quadra is full of connectors and ribbon cables that may have oxidized. The case is pretty flexible too and there s this big connector board that spans a
Re: arp quadra sound quits
2013-03-02 by Scott
NO offense to DIY people but if you dont know basic electronics and proper soldering and inspection, SEND your unit to someone who DOES. I ve been in design
Re: [vintagesynthrepair] arp quadra sound quits
2013-03-02 by Daniel Forró
First I d look at PSU, check if all voltages are on spec values, and probably change all electrolytic capacitors. Daniel Forro
Re: [vintagesynthrepair] arp quadra sound quits
2013-03-01 by Kevin Doheny
Does it produce any sound at all, and is it working okay at first, then stops after a few minutes? There s a battery in there (regular... nothing exotic), and
arp quadra sound quits
2013-03-01 by stargazer052070
My beautiful Quadra came out of storage after 6 years and it s got problems. Everything worked fine when it went into storage, but now when I turn it on, it
Re: [vintagesynthrepair] Re: DX100 Power
2013-03-01 by Nick Bell
It s ok, it was the PC7808H regulator, all working fine now. Nick ________________________________ From: alesisfusion8hd To:
Re: DX100 Power
2013-03-01 by alesisfusion8hd
Double check the polarity. If Ok, might be a bad join; already encountered this on a Yamaha keyboard.
DX100 Power
2013-03-01 by Nick
Hi all, I have a DX100 in front of me that s powering up fine with batteries but no luck with PSU. The (generic,switched) PSU I am using is 12v DC @ 1.5A. Does
Octave Cat Rev A Schematics?
2013-03-01 by Boddington
I ve had the SRM service notes for years but has anyone got schenatics for the earlier builds? I have a Rev A in front of me here and could use the schems for
Re: J-Wires: Where or What?
2013-03-01 by Boddington
Thanks so much for the offer! I won t need too many. 4-8? Have to open up the machine again and take a clsoe look. It s been a while. Thanks!
Re: MC-505 groovebox
2013-02-28 by Andres
Thanks for your answer François, I will do that and let you know. Andres
Re: [vintagesynthrepair] Re: J-Wires: Where or What?
2013-02-28 by Roger J
I harvest and form my own from a bunch of old Baldwin contact boards. How many you need? As I believe I have a few left. R ... I harvest and form my own
Kurzweil K2000 crashes
2013-02-28 by Robert
After obtaining a used SLOW toshiba external cd-rom drive, I was relieved of the last round of crashes, and thought I was out of the woods...Until today...
Re: J-Wires: Where or What?
2013-02-28 by Boddington
That s a really great idea with the guitar strings. Thanks for that! I guess if one finds gold plated that s a bonus, though I have to say that the originals
Re: [vintagesynthrepair] Roland MKS70 Display problem
2013-02-28 by jammie
that will be the fip chip that controls it it also happens to the asr10 the problem is finding the fip part ... From: John Rose To:
RE: [vintagesynthrepair] Roland MKS70 Display problem
2013-02-28 by John Rose
Thanks Adrian, I had seen some of that, but it all relates to the VFD becoming dim with age, the actual problem I have is the other way round, all the segments