Re: [vintagesynthrepair] Alesis QS6.1 output hum
2015-11-15 by Daniel Forró
... And equal or greater voltage :-) Daniel Forro On Nov 14, 2015, at 1:57 AM, John Karns johnkarns@gmail.com
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Re: [vintagesynthrepair] Alesis QS6.1 output hum
2015-11-14 by austinkeyboards@gmail.com
It s not the capacitors it s the small transistors the j1 Elevens clip them off you should get Sound then good luck Sent from my Sprint phone. ... From:
Re: [vintagesynthrepair] Alesis QS6.1 output hum
2015-11-13 by John Karns
I don t have a QS6, but the power supply caps are the most likely cause of the problem. They are usually not difficult to replace once you get the synth
Alesis QS6.1 output hum
2015-11-12 by arnaldo.ortega@...
Hi All, I have an Alesis QS6.1 that developed a subtle but annoying hum in the audio outs (main and phones) after around 10 years of good service. I m
minimoog contour/kbd schematic
2015-11-03 by minimoog1@...
Hi all , I m repairing the above board and see on the schematic that q9 and q11 are to be matched with the vbe of the pnp 10-20mv below the npn @ 200ma. Using
Korg N1 - SM
2015-09-23 by NoëlBuhagiar
I was given this N1 in very good condition and it looks like a very nice synth besides a good keyboard. Could anyone share the service manual or point me to a
Re: SH-101 with Novamod VCF slider range
2015-08-25 by synthparts@...
No, my Novamod 101 does not behave like that. The filter is wide open in that setting. Doug synthparts.com
OSCar knobs
2015-08-24 by Terje Winther
I have an OSCar in for service, and it needs to have all the knobs swapped out. However: there are no designation, so I have no idea about the resistance (can
SH-101 with Novamod VCF slider range
2015-08-22 by Peter Mörck
Hi, Anybody got an SH-101 with Novamod? http://dl.lojinx.com/analoghell/RolandSH101-NovaMod.pdf I m servicing an SH-101 with Novamod installed and I find that
Re: [vintagesynthrepair] OT: New Yamaha toys - Reface series
2015-07-24 by Samuel Adams
I meant a Yammy keyboard that has GX-1 samples of its analogue sounds. ... From: barndoorproductionstheatre@gmail.com [vintagesynthrepair] To:
Re: [vintagesynthrepair] OT: New Yamaha toys - Reface series
2015-07-22 by barndoorproductionstheatre@...
No samples in the GX-1. All analogue. Would still like to have one, mind you.
Polysix - Basic signal tracing.
2015-07-20 by scott.hamblin@...
Hi there, I hope you don’t mind me cold calling on you like this, I can imagine you get quite a lot of questions from technical folks attempting to repair
Re: [vintagesynthrepair] OT: New Yamaha toys - Reface series
2015-07-17 by Samuel Adams
Wish that Yamaha would release a single keyboard version of the GX-1 with those great sounding patches / samples the GX-1 had. ... From: Kirk Slinkard
Arp 2600 oscillator scaling problem.
2015-07-14 by Jim Blair
Hello! I ve been working on my 2600 (recapped and calibrated PSU, replacing sliders), and am closing in on the biggest issue. Osc 2 s scaling is impossible to
Re: [vintagesynthrepair] OT: New Yamaha toys - Reface series
2015-07-13 by Kirk Slinkard
From: Paul Rak paul.rak@gmail.com [vintagesynthrepair] To: vintagesynthrepair@yahoogroups.com Sent: Friday, July 10,
Re: [vintagesynthrepair] OT: New Yamaha toys - Reface series
2015-07-10 by Paul Rak
I had a look at the reface cs.. I have a real cs-5, so I wondered what the va version was like.. The answer is it s great, but where s the connection with the
Re: [vintagesynthrepair] Roland XP-60 F switch replacing
2015-07-10 by wayne@...
OK, now fixed, it WAS a pain in the **** though as just about everything needed to be removed, including the keyframe. I ve been fixing stuff for 40 years, I
Re: [vintagesynthrepair] OT: New Yamaha toys - Reface series
2015-07-10 by Daniel Forró
Manuals can be downloaded here:
OT: New Yamaha toys - Reface series
2015-07-07 by Daniel Forró
Have you seen four new Yamaha toys? Here are some videos: http://thesynthesizersympathizer.blogspot.fr/2015/07/full-yamaha-reface-line-spec-leak.html Daniel
Re: Korg polysix for sale.
2015-06-22 by b_dk2001@...
Hi Eric, The Polysix is a pretty straightforward synth to repair. I ve repaired several of them through the years, and they all suffered from these issues:
Re: [vintagesynthrepair] Roland XP-60 F switch replacing
2015-06-20 by Hamblin, Scott
I did my XP 50 and disassembly did take a while, maybe 30 minutes work but there are a couple of small connectors that are easy to miss. Hard to access and
Re: [vintagesynthrepair] Roland XP-60 F switch replacing
2015-06-19 by Daniel Forró
I didn t do it on this instrument, but my general advices are: - Replace all panel switches when you have the instrument opened. If not - sooner or later some
Re: [vintagesynthrepair] Roland XP-60 F switch replacing
2015-06-19 by Roger J
Yes, you pull just about everything up or off. I do not recall if the manual give step by step. Not in the shop today, if you need, let me know. I would
Re: JX-8P Voltage Problem
2015-06-19 by laserdave@...
There are a secondary set of regulators on the main board that provide the +/- 5.6V to drive the analog CV`s in the JX8p.....check around Q3 on the mainboard
Korg polysix for sale.
2015-06-19 by CenturyLink Customer
I ve got a Korg Polysix that is not working for sale. My thoughts are its set up for European power. It looks like someone spliced an American style wall plug
Roland XP-60 F switch replacing
2015-06-19 by Wayne Seims
Hi, can anyone advise on replacing F switches on a Roland XP60, these are the ones on the front just below the screen. I m not looking for detailed
Re: [vintagesynthrepair] JX-8P Voltage Problem
2015-06-15 by Daniel Forró
Have you followed the advices from Gordon in Roland jxanalogs group concerning transformer and its thermal fuse? What was the result? Daniel Forro On Jun 13,
JX-8P Voltage Problem
2015-06-13 by david@...
I have a Roland JX-8P that works fine except all voices are distorted, not with noise but like the frequency is too high or something. After some testing, I
Re: CR2032 hell (again)
2015-06-13 by Scott Frye
I ve never seen a CR2032 Leak.
Re: [vintagesynthrepair] CR2032 hell (again)
2015-06-13 by Roger J
Check the diode that isolates it from 5vdc. And go bigger with a tab mount battery too. I like the panasonic BR-2/3A with the single long tabs on each
Re: [vintagesynthrepair] CR2032 hell (again)
2015-06-12 by 65 Lotus
... All the time. Seen 10 year leakers and 30 year dry ones though. ?
CR2032 hell (again)
2015-06-03 by Grant B
Anyone ever had one leak? I ve never seen this before. Only in NiCADs. Some contamination and deterioration of the PCB too. Have to decide if I will jury rig a
Re: [vintagesynthrepair] 50KB slider for Juno 60 needed
2015-06-03 by Kirk Slinkard
From: gilwe@hotmail.com [vintagesynthrepair] To: vintagesynthrepair@yahoogroups.com Sent: Monday, June 1, 2015 6:12:53
Re: [vintagesynthrepair] 50KB slider for Juno 60 needed
2015-06-01 by gilwe@...
Hi. Do you have any of these ?
Re: [vintagesynthrepair] 50KB slider for Juno 60 needed
2015-05-29 by Kirk Slinkard
From: gilwe@hotmail.com [vintagesynthrepair] To: vintagesynthrepair@yahoogroups.com Sent: Thursday, May 28, 2015
50KB slider for Juno 60 needed
2015-05-28 by gilwe@...
Hi all, I m in real need for one 50KB slider for Juno 60, if any of you have one for sale or trade please let me know ? email: gil_we at yahoo.com Thanks in
Korg Poly-61
2015-05-21 by yorgatron@...
pitchbend UP isn t working on my non-MIDI Poly-61. pitchbend DOWN works just fine. I ve checked the potentiometers in the joystick and they re good, so the
Arp 2600 questions.
2015-05-18 by Jim Blair
Hello! I recently purchased a 2600, and it plays great other than one significant issue. Osc 2 is reluctant to be properly calibrated. The other two
Re: Roland JX-8P DCO2 waveform switching problem [SOLVED]
2015-05-17 by daniel@...
Ok, the problem is solved. It was the faulty IC34 or 8155 to be replaced. Now, the JX8P works as expected. All the best,
Re: Roland U20
2015-05-11 by coljean@...
Hi b3bilco, do you have a link to get to the roland sysex, do I need an account.When I go to the Roland site I can t find anything for the U20.I have 2 W30 s
Re: Roland U20
2015-05-08 by b3bilco@...
The factory sounds are available for free from Roland s website- in fact, the entire existant lot of factory patches for early MIDI Roland synths is there in
SH-101 battery cover
2015-05-03 by Sava66
Hello, I have an sh-101 that I have had for awhile. It works perfectly. The battery door cover was like welded shut so I decided to avoid it. Today I ventured
Roland JX-8P DCO2 waveform switching problem
2015-04-22 by daniel@...
Roland JX-8P DCO2 waveform switching problem I have a problem with waveform switching on DCO2 on my Roland JX-8P. Comparing the waveforms produced by DCO1 and
Re: SV: [vintagesynthrepair] If it were possible
2015-03-30 by xp_sucks@...
Yes all comments noted and thanks for your resposes.. Yes seems that until all our manufacturing is with 3d printers or advanced version thereof, reproducing
Fw: XP 80 Battery Replacement
2015-03-22 by Samuel Adams
A few weeks ago I had asked if anyone knew what battery the XP 80 took. I was able to find that the battery is a MAXELL CR2032. Does anyone know how to
XP 80 Battery Replacement
2015-03-22 by Samuel Adams
A few weeks ago I had asked if anyone knew what battery the XP 80 took. I was able to find that the battery is a MAXELL CR2032. Does anyone know how to replace
Re: If it were possible
2015-03-21 by Karl Torvmark
As far as I have understood, you cannot have copyright on a how circuits are connected, just on the PCB layout and the schematic. So, it is totally OK to
Re: [vintagesynthrepair] If it were possible
2015-03-20 by John Karns
On Mar 19, 2015 7:52 PM, xp_sucks@hotmail.com [vintagesynthrepair]
Re: If it were possible
2015-03-20 by jlcason@...
Even if one gets past the intellectual property issues with the manufacturers, the problem of sourcing parts is virtually insoluble. Integrated Circuit
Re: [vintagesynthrepair] If it were possible
2015-03-20 by emma
The problem with that is no longer made asics that are korg design Also if your still getting noise there is a calibration routine for the dacs to stop noise