RE: Korg SQ-10 - wavering in pitch...
2013-11-06 by <noddyspuncture@...>
Thanks for the tips guys. The power supply idea was the first that occured to me... but the way it s laid out on the main panel with the 12 separate circuits
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Re: Korg SQ-10 - wavering in pitch...
2013-11-06 by scott frye
If any of the ICs in the signal path are socketed, I would CAREFULLY pull each and buff the leads with some 1000 grit wet sanding paper ( only dry) -- Scott
RE: Korg SQ-10 - wavering in pitch...
2013-11-06 by <wmc_mick@...>
I m in the process of repairing a Crumar Composer and I have found some bad traces on the pcbs, bad ic sockets and dry solder joints. When you say the symptoms
Korg SQ-10 - wavering in pitch...
2013-11-05 by <noddyspuncture@...>
Hi guys, I have a Korg SQ-10 sequencer here that has been playing up. It was acting up a while ago but after I looked at it and then put it back together, it
RE: RE: Envelope problem, pops and "sensitive" pots (Crumar Composer)
2013-10-30 by <wmc_mick@...>
I found your documentation when I started repairing my Crumar Composer, thanks a lot for that, it helped me a lot. :) I have also watched some of your repair
Re: [vintagesynthrepair] RE: Nova MOD
2013-10-30 by brian walker
Hi The price used to be £101 appropriate for the instrument If you can bring it over personally you will be saving yourself a lot of hassle The guys at
Re: [vintagesynthrepair] RE: Nova MOD
2013-10-30 by Sava66
Thanks Brian. That is definitely the cheapest one. I m just worried about shipping fees and perhaps customs to the Uk. Those guys seem really cool too. Maybe
RE: Nova MOD
2013-10-30 by <brian1075us@...>
Hi Circuitbenders.co.uk ROLAND SH101 MODS: £120 (installed) Tell them Brian sent you Hope this helps Brian ... Is there anyone in the US who can install the
Nova MOD
2013-10-29 by Sava Petrovich
Is there anyone in the US who can install the nova mod for sh-101 for a reasonable price? Preferably someone in the Southeast but it s not that important.
RE: SH-101 Repair Help
2013-10-29 by <aaronkotilainen@...>
So I successfully got the synth to trigger the VCA by replacing TR9. I replaced it with a 2N3904. Now a few more problems I m tracking down... The notes do not
RE: [vintagesynthrepair] Sequential Circuits Model 700 Programmer page
2013-10-29 by Lorne Hammond
thanks Dave Useful to me. I have a mark Ii and some user manuals in pdf. The manual includes the sci hack for a minimoog for arp gate, and 3 independent vco
Sequential Circuits Model 700 Programmer page
2013-10-29 by <davebr@...>
I just finished repairing a SCI Model 700 Programmer first version. There is some information on the Rev 1 version but I could find no information on this
RE: RE: B10K x 2 Slider for Yamaha CS15D (or any equivalent)?
2013-10-28 by <f115@...>
Hey there! That would be great! I can email you off list. I saw your other thread too. I m a reliable buyer / seller so we can work out next steps on the side.
RE: [vintagesynthrepair] Strange TR-808 reset problem
2013-10-28 by Lorne Hammond
II still distrust the power supply, so retest it at multiple points and walk your way down it towards the CPU and look for shorted connections, something going
Re: [vintagesynthrepair] Strange TR-808 reset problem
2013-10-28 by cxacxu
Power supply was recently recapped all supply voltages are correct with no ripple.
Re: [vintagesynthrepair] Strange TR-808 reset problem
2013-10-28 by kslinkard@...
First thing I would look at is how clean and accurate the power supply voltages are. ... From: cxacxu To:
RE: [vintagesynthrepair] Strange TR-808 reset problem
2013-10-28 by Lorne Hammond
Did you recap the power supply? One the 909 it is possible to overheat a thin trace hidden under one of teh big caps. Also I put in new transitors and acps
Strange TR-808 reset problem
2013-10-28 by cxacxu
Got a strange problem with an 808 here, the CPU will only start up when the +15v rail is disconnected. When +15v is connected the CPU does not start and the
Korg Delta Adsr /Release problem. More info.
2013-10-27 by plat@simnet.is
Having problems getting the adsr to work properly on my Korg Delta. No proper techs here in Iceland so I have got to fix things myself. On a working Delta the
Re: [vintagesynthrepair] RE: Reintroducing myself/ Sound Doctorin'
2013-10-25 by Kevin Doheny
It s not strictly a Paypal issue. I ve used Paypal since 2001 [back before they were owned by ebay and there were a lot of Paypal problems]. I ve also used
RE: Pratt-Reed keyboard parts...
2013-10-25 by <sounddoctorin@...>
or again I have parts in some quantity. The cups are a little shorter supply since they get lost more often ... try syntaur as the qs range use fatar keys
RE: Reintroducing myself/ Sound Doctorin'
2013-10-25 by <mpigott2@...>
Sorry to hear that, as a 50 year old I will not even use paypal. I will usually call on a phone and talk to a live person, and order over the phone. Anyhow, it
Re: [vintagesynthrepair] Reintroducing myself/ Sound Doctorin'
2013-10-25 by kslinkard@...
From: NoëlBuhagiar To: vintagesynthrepair@yahoogroups.com Sent: Friday, October 25, 2013 2:53:49 PM Subject: Re: [vintagesynthrepair]
Re: [vintagesynthrepair] Reintroducing myself/ Sound Doctorin'
2013-10-25 by NoëlBuhagiar
Very very sorry to hear this story. Couldn’t you find a way somehow to eliminate the bad guys from the good so that I could still have a chance to order
Reintroducing myself/ Sound Doctorin'
2013-10-25 by <sounddoctorin@...>
As some of you may know I generated the original comprehensive tech assistance page sharing tips on the massive number of machines I ve gotten into the
RE: Envelope problem, pops and "sensitive" pots (Crumar Composer)
2013-10-25 by <sounddoctorin@...>
I did a lot of documentation on the instrument AND have one here for sale if anyone is interested. They are fabulous. I did the original videos on the
RE: B10K x 2 Slider for Yamaha CS15D (or any equivalent)?
2013-10-25 by <sounddoctorin@...>
I have all the other ones I think oem packs....but that one I see I have probably the same thing in a used one. It s got the symmetrical connections on the
B10K x 2 Slider for Yamaha CS15D (or any equivalent)?
2013-10-24 by <f115@...>
Hey folks! I m looking for one of these sliders. More than likely a modern version will have to do. I can t seem to source an original. Let me know if you have
RE: Envelope problem, pops and "sensitive" pots (Crumar Composer)
2013-10-24 by <wmc_mick@...>
New sockets fixed some problems. One socket even had two legs broken. The biggest problem now is the ADSR and other controls for the poly synth section. Can
Re: Korg Delta , No release , broken adsr.?
2013-10-22 by plat@simnet.is
I am trying to fix my Kord Delta, the release does not work for any of the registers and the ADSR does not work on the noise. Just bringing up the noise slider
Re: [vintagesynthrepair] What's up with Ensoniq ASR10-EPS16 yahoo group ?
2013-10-16 by Sava66
He has moved on. If you want to join an excellent group, join ensoniqsampler on yahoo. It has a lot of the same people that really mattered. There are good
What's up with Ensoniq ASR10-EPS16 yahoo group ?
2013-10-16 by <cpt.zilog@...>
Hi all I might be off-topic here, but any of you knows when the list owner might grace us in putting back the group operational ? It s been more than a year
RE: SH-09 give a little pop sound when keys are pressed
2013-10-14 by <barndoorproductionstheatre@...>
Sounds like the key gate buss may be shorted to ground. Check that C44 cap and see what s happening with it. ... Actual question at the bottom paragraph When
SH-09 give a little pop sound when keys are pressed
2013-10-12 by <hr.public@...>
Actual question at the bottom paragraph When a key is pressed a little pop bleed in to audio out regardless of main volume or mixer settings. It only occurs
RE: RE: RE: SH-101 Repair Help
2013-10-12 by <hr.public@...>
Not sure how close SH-101 are to its origination. But on the SH-09 Gate input has an internal switch. Connecting a patch cable from Gate out to Gate in let you
RE: RE: SH-101 Repair Help
2013-10-12 by <aaronkotilainen@...>
Excellent point. I will check that today... ... Don t know the SH-01, but make sure the keyboard is actually putting out a gate/trigger -- or whatever circuit
RE: RE: SH-101 Repair Help
2013-10-12 by <aaronkotilainen@...>
Excellent point. I will check that today... ... Don t know the SH-01, but make sure the keyboard is actually putting out a gate/trigger -- or whatever circuit
RE: SH-101 Repair Help
2013-10-12 by <barndoorproductionstheatre@...>
Don t know the SH-01, but make sure the keyboard is actually putting out a gate/trigger -- or whatever circuit is responsible to that in the SH-01. It s
Re: [vintagesynthrepair] SH-101 Repair Help
2013-10-12 by Sava66
When you part it out, can I have your battery cover? Just kidding.
SH-101 Repair Help
2013-10-12 by <aaronkotilainen@...>
Very happy to join this group! I picked up a mint looking SH-101 for a song earlier this week because it didn t output any audio. It powered up fine and the
sequential pro one tuning - problem or not?
2013-10-09 by <pushwithlegs@...>
hey all, I just finished tuning up my sequential pro one following the specs in the manual and find that after getting everything exactly to spec so that both
RE: RE: [vintagesynthrepair] RE: Korg Radias - checksum error
2013-10-04 by <euklides69@...>
M3 password is &m3 for both documents ---In vintagesynthrepair@yahoogroups.com, wrote: Had a look at the Radias SM and
RE: [vintagesynthrepair] RE: Korg Radias - checksum error
2013-10-04 by John Rose
Had a look at the Radias SM and there are a few things that I noticed relating to the DSP, according to TI’s manual on the 5502 it has limited on board
Re: [vintagesynthrepair] RE: Korg Radias - checksum error
2013-10-04 by Narfman96 - Narfland Studio
Hi Chris, Wow! Deju Vu times about 10..... About two years ago I bought a dead MicroKorg XL with the intention of fixing it. The only issue was a missing
Elka EK-22 servicemanual or schematics
2013-10-04 by Terje Winther
If anyone has the service manual or schematics for the Elka EK-22, I would please like to have a copy. Terje Winther terje.winther@wintherstormer.no
RE: Korg Radias - checksum error
2013-10-04 by <euklides69@...>
I think its time of second part of my sad story :) Since I have enough desperation , some electronic background with PC mainboards repair , access to SMD
RE: Korg Radias - checksum error
2013-10-04 by <narfman96@...>
Not to worry! You re not spamming the group so you re in like flint. I am worried about your Radias though. Your only bet may be John from Korgparts.com. I m
Re: [vintagesynthrepair] Korg Radias - checksum error
2013-10-04 by Daniel Forró
I don t know and can t help, but just my guess: Try to reseat all IC s in sockets, maybe those with written samples are socketed... Maybe it s just a bad
Korg Radias - checksum error
2013-10-04 by <euklides69@...>
Hi I m new to this forum so please forgive me if I m doing something against your forum posting rules. I have problem with my KORG Radias which during startup,
RE: Waldorf Pulse repair
2013-10-03 by <kloopy@...>
Thanks again. If this doesn t help nothing will! Will update you guys when fixed about what was wrong. Till then... ---In vintagesynthrepair@yahoogroups.com,