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Vintage Synth Repair

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Welson Symphony Stereo schematics?

2010-09-18 by Janne Lappalainen

Hi, Does anybody know where to get schematics or service manual for this rare string machine from the 70’s. Thanks Janne janlappa@yahoo.com

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Re: Roland JV-80

2010-09-18 by urei

Hello, Daniel. Thanks for the quick reply. I would start with those too. I just was wondering, before I buy it, if anyone knows of any known issues/fixes

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Roland JV-80

2010-09-18 by urei

Don t know if this one qualifies as vintage or not, but I don t think there s a better place to ask for advice. I ve been offered a JV-80 for a very low price.

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(no subject)

2010-09-17 by Mike P.

Thanks for approving my membership request. Mike Eagles may soar, but weasels don t get sucked into jet engines Steven Wright Thanks for approving

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Re: Arp Odyssey and Solus

2010-09-15 by ML

Hi again ~ Well so far so good. I replaced the power supply caps and a handful of sliders and was able to minimize the drift in the VCOs. It s sounding pretty

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Re: [vintagesynthrepair] (unknown)

2010-09-14 by Roger J

This is true, I used to add a jumper to the jack to bypass the need of a volume pedal. Don t have a schematic handy, but it should be obvious, if not post the

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(no subject)

2010-09-14 by jim finch

I also have Farfisacombo compact deluxe with a ver y faint output.Someone told me you have to have the volume pedal plugged in to make it work correctly,but

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FBT synther

2010-09-14 by Terje Winther

Hi, I am looking for some info regarding the F.B.T. synther series of italian analog synths. It is more or less impossible to find any info. This is the best

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Roland cct or service info.

2010-09-14 by Royce

Hi I am looking for the cct diagram for a Roland SonicCell. Not vintage I know, but I thought that there might be some service guys out there. Thanks Royce

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farfisa compact deluxe

2010-09-12 by ajklein79

hello i just bought a farfisa compact deluxe first version,the f sharp bass note doesnt work and all other f sharps have a highly harmonic and consistent

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Re: Korg Delta issues surfaced

2010-09-10 by nervejam

I m not familiar with the Delta, but based on experience with other machines, I d be looking for a grounding fault, too. Sounds like you disturbed something

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Korg Delta issues surfaced

2010-09-10 by Quazimodo

Hi guys, I have a fault on my Korg Delta. Since opening her up to replace a couple of broken keys (with thanks to Dave Garfield..!)... but, I have now got a

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The Other Side of the Pond

2010-09-10 by greenmoldydonuts

For those of us east of you on the other side of the pond...I understand the Brittish Pound Sterling and pence but what is a Quid ?? Thanks, Bernie in

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Needs some chips: 4011 and TC5501P-1

2010-09-10 by rakky

I m about to start mucking about with a few old drum machines (DR-55s, Soundmasters and EDC). These were considered uneconomic to fix, 5 years ago. Now, a

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Korg BPX-3 Bass Pedals

2010-09-03 by Ian galloway

Hi, I m looking for a set of Korg BPX-3 Bass pedals, preferably in good working order, but any condition will do. Thank you, Ian Galloway 520.234.3998

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Re: Polymoog sliders

2010-09-02 by Susie

Yep, I was a member already and have just re-introduced myself. I noticed there was a Digikey part number for LEDs which will be useful. I was hoping someone

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