Re: Memorymoog repair
2008-08-28 by eggwheatis
Well this (hopefully)last problem is proving to be really difficult to solve. It wasnt the Zener even though it was bad. It acts as a regulator for the +10 vdc
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Re: [vintagesynthrepair] Re: Arp Omni 2 repair
2008-08-28 by Roy J. Tellason
... Ah well, I ll run across one that I can snag one of these days... :-) ... -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest
Re: Memorymoog repair
2008-08-27 by eggwheatis
A bit more fixed..:o) well actually diagnosed.. The reason all the voices were dead on one card was because a CEM3340 VCO chip was shorted, this pulled down
Re: [vintagesynthrepair] Re: Memorymoog repair
2008-08-27 by Philip
Thanks a lot! I could no way afford the LAMM upgrade..It s so expensive, plus the risk and expense of shipping. Also there are a couple of reasons I think I
Re: Memorymoog repair
2008-08-27 by duncan
phil- following your journey with interest & some sympathy. I have fallen foul of someone s been in here before me syndrome too, although (thank bob) not in
Re: Memorymoog repair
2008-08-26 by eggwheatis
Fixed the hopeless switch matrix :o) there was a ribbon cable plugged in the wrong way round into the common analogue board! Large repairer error #5..... So
Re: Arp Omni 2 repair
2008-08-25 by eggwheatis
I love it, sounds gorgeous...:o) and all fixed now...had a massive amount of faults..50% caused by the person who was in there before me! Phil. ... send it to
Re: Memorymoog repair
2008-08-25 by eggwheatis
Well ive now got sound out of it :o) this is going to be fun though...yet again someones been in this before me that looks like they weren t on the ball. All
Manual for Yamaha a55
2008-08-25 by chriswhitehead1
Is a tenner on Ebay a good price for a manual for a Yamaha a55 organ? I have just been given one but it sounds very ropey so I fancy trying to recodition it.
Re: [vintagesynthrepair] Roland EM2000 arranger is fixed and playing beautifully
2008-08-25 by AMH
Thanks all for the confidence to go through with this effort and the hints. My dead keys are dead no longer....... I took the keyboard apart.....I removed
Memorymoog repair
2008-08-24 by Philip
I just got a broken Memorymoog. It s really clean, near mint in fact, but not working. Half the reason I bought it is because I like a challenge :o) ..I
Korg MS-10 parts - Where to get them?
2008-08-24 by Mu
Hullo again, I recently received an MS-10 in poor condition - it has been cannibalized, and is missing - 10 K (A and B), 100 K (A and B) and 2M pots - several
Re: Cleaning a Lowery
2008-08-23 by jkyoung2001
Just wanted to say thanks to Roy for his info on opening up and cleaning the Lowery. My husband and I tackled it last weekend, blew out all the dust and
Re: [vintagesynthrepair] Chroma Polaris
2008-08-22 by Roy J. Tellason
... You might mention what you d like to get for any of these. :-) -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of
Chroma Polaris
2008-08-22 by guitarampsky
Good day, I was cleaning out some old boxes of parts and found a ChromaPolaris data tape, #1 and have no use for it. I sold the keyboard a few years ago. Also,
Re: Yamaha CS-15: no envelopes.... (CS40M too)
2008-08-22 by Mu
I m latching on to this thread - I ve got a CS40M with the same symptoms - and not due to the initial level setting. The output is rather low, and noise turns
RE: [vintagesynthrepair] Roland EM2000 arranger
2008-08-21 by francois
Hi Adele Scott is right: removing the board is the best option, and should not be that difficult. Apply the same advises than when you opened the case. I would
RE: [vintagesynthrepair] Arrrgggggghhh!!!
2008-08-21 by francois
Ebaying could be very frustrating, especially during a GAS (Gear Acquisition Syndrome) period. To: vintagesynthrepair@yahoogroups.comFrom:
Roland RS-09 v1 rocker cap
2008-08-19 by paintingwithsound
Does anyone have a String 8 Rocker Switch Cap for one of these? This is a version one type with the grey rocker switches. Thanks
Arrrgggggghhh!!!
2008-08-19 by Scott
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RE: [vintagesynthrepair] Roland EM2000 arranger
2008-08-18 by Scott Nordlund
Based on my experience, you d probably have better luck pulling the circuit boards out and getting at it from the back. It s not so difficult if you re
Re: [vintagesynthrepair] Roland EM2000 arranger
2008-08-18 by AMH
Hi Francois and anyone else who may know, Thanks for all the info so far. I have finally had time to take the Roland apart. I was hoping that just blowing it
Re: Hammond M-3 dead notes
2008-08-15 by jfloydhumanoid
Thanks, Clif, but I d better pass that one up. At 250 miles round trip in my truck, gasoline adds $100 to the price. An M3 in good shape is worth that, imho,
Re: Hello
2008-08-14 by Tom Russell
http://www.synthmuseum.com/nesm/index.html http://www.keyboardmuseum.org/play.html ... by ... collections ... a lawn ... museum out ... 14/08/2008
RE: [vintagesynthrepair] Hello
2008-08-14 by chris
Hey that s me J From: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of chris Sent: 14 August 2008 16:24 To:
Hello
2008-08-14 by chris
I am new to the group so thought I would say hello. I am intrigued by electronic keyboards/organs and was wandering if there are any collections open to the
Re: Yamaha CS-15: no envelopes....
2008-08-12 by gil_we
Thanks for the advice, However, it appears that this EG behavior is a feature - Rise up the Initial Level pot of each oscillator and they will play without
Re: [vintagesynthrepair] Re: Hammond M-3 dead notes
2008-08-12 by Clif Martin
It s in Muskegon, Jim. A bit of a jaunt from Indiana. It did not look at all beat up. I might go in and ask them to plug it in. I d buy it except for 2
Re: Hammond M-3 dead notes
2008-08-12 by jfloydhumanoid
... I d LOVE to have a $60 M3, whether it worked or not! (Well, maybe not if the TG was locked up!) Did it have lotsa broken keys/pedals? Signs of vermin
Re: [vintagesynthrepair] Re: Arp Omni 2 repair
2008-08-12 by Roy J. Tellason
... Hey, if you decide that you really don t want it, feel free to send it to me... :-) -- Member of the toughest, meanest, deadliest, most unrelenting --
Re: Yamaha CS-15: no envelopes....
2008-08-11 by Erik Forsling
I meant shorting the tip and the ring. The ring should be ground, and the tip should be something like the base of a pnp-transistor. I don t have the
Hammond M-3 dead notes
2008-08-11 by janman30
I thought my previous post about this appeared but I can t find it ... or maybe I don t know where to look. Anyway ... the M-3 has 4 or 5 dead ones on the
Re: Arp Omni 2 repair
2008-08-11 by eggwheatis
Update: Fault no3 fixed...was an open transistor Q22 on the lower voice board. It s in the 8 Bass wave shaper circuit. 3 faults to go! One thing ive
Re: Arp Omni 2 repair
2008-08-10 by eggwheatis
No 5: fixed..it was just a setting. Doh... you have to have to have the mix slider over to the strings side to hear the phaser on the synth section...stupid
OB-1 calibration procedure ?
2008-08-10 by SynthX SynthX
Hi, I have a OB-1 on the operations table and I am about to do the last adjustments (Tuning etc ..) However the trimmers seem to have very little in common
Re: Arp Omni 2 repair
2008-08-10 by eggwheatis
Spoke too soon..fault 5 to add to the list: 5: According to the manual hitting the chorus phaser button should 1: slow down the phaser modulation speed. Yep it
Arp Omni 2 repair
2008-08-10 by eggwheatis
Hi guys, finally decided to work on my Arp Omni 2...wow this thing had so many faults I dont where to start...actually I give you a write up later! Basically
Re: [vintagesynthrepair] Roland EM2000 arranger
2008-08-09 by Roy J. Tellason
... Be aware that a common practice among asian manufacturers is to use screws of different lengths in different places, and make sure that you get those
RE: [vintagesynthrepair] CS-15 power supply question...
2008-08-09 by Scott Nordlund
A slightly larger capacitor won t hurt. If the original circuit was properly designed, there won t be any advantage (lower ripple) either. If the original is
RE: [vintagesynthrepair] Roland EM2000 arranger
2008-08-09 by francois
Hi Adele, if no pattern can be found on dead keys, it really sounds like more an oxydation issue than a connector/bus trouble. Was your keyboard stored in a
CS-15 power supply question...
2008-08-09 by gil_we
OK, so I went for a total re-cap, and found that the power supply features two 1000uf/35v caps placed across the ground and each of the two sides of the
Roland EM2000 arranger
2008-08-09 by Adele H.
Hope it is ok to ask for help here. My keyboard had been sitting a while and a couple of keys weren t working. I was able to get them going by striking the
Re: Yamaha CS-15: no envelopes....
2008-08-09 by gil_we
Well, I found that the endless notes are actually a feature on the CS15... Rise up the Initial Level pots and you re there ;)
RE: [vintagesynthrepair] Poly 800II Factory Settings
2008-08-09 by francois
If memory serves, the Poly 800 has MIDI dump capabilities. A simple dump would be easier to manage than a tape wave file. I remember having done the same thing
Re: Yamaha CS-15: no envelopes....
2008-08-08 by gil_we
Thanks, but what do you mean by short the input ? and what should I hear once I do that ? Do you mean like shorting the input with ground ?....
Re: [vintagesynthrepair] My organ has keys that don't work
2008-08-08 by Roy J. Tellason
... Yes indeed. :-) ... Exactly the right question, as if it s the former then it s not likely a keyboard problem at all... That model number sure sounds
RE: [vintagesynthrepair] My organ has keys that don't work
2008-08-08 by Keith Niver
Hi Rick First question is what keys don t work? Is it the same keys on both manuals and pedals? Or is it random keys on a single manual? It s not difficult to
My organ has keys that don't work
2008-08-08 by Rick Tomaso
I recently bought a Wurlitzer organ model 4075. It s from the 1970 s I think. Anyway, it is in pretty good condition except some of the keys don t work.
Re: Yamaha CS-15: no envelopes....
2008-08-06 by Erik Forsling
Actually, zero volts shoud be ok, so you just need to short the input. Use a switching pedal (like a sustain pedal), or just hook up a cable and short the
Re: JX3P
2008-08-06 by gil_we
Most certainly, Take it out and replace with the same type and size.