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Vintage Synth Repair

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Moog Source again.

2013-02-21 by Jim Blair

One more question about the Source. Does anyone here know of a parameter list for the original factory patches? I d really like to hear what this synth came

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Re: Moog Source calibration.

2013-02-20 by Quazimodo

Jim, I m not familiar with the Source... but could you not bring the overall pitch of Osc 1 down a slightly..? Then retune Osc 2 to it? Just an idea... Cheers,

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Moog Source calibration.

2013-02-20 by Jim Blair

Blah. Actually, two hours of blah. Following the service manual, but no success. Anyone have some tips and tricks? It s all about tuning oscillator 2. It s

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Re: DX7 Test Modes

2013-02-17 by grantpbt

Thanks for the info. As it turns out v1.7 has the RAM/ROM test, v1.8 and SER do not. There are 3 SRAM chips on the Vabatt supply and only two are in sockets.

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Re: Yamaha SY77 faulty

2013-02-17 by Royce

Thanks Lorne ... The M3s are soldered surface mount. Cleaned the tracks The IRQs seem perfectly good (with a better CRO probe) ... Re-soldered the resistors

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Juno-106 board for free - for parts

2013-02-16 by Terje Winther

I have the following boards that you can have for free, as long as you pay for shipment anywhere in the world (I live in Norway). 2 of these: Roland Juno-106

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JX-3P Issue

2013-02-16 by Nick Bell

Hi all, wonder if anyone has experience with these? After sorting out noise & other problems as per my last post, I have another issue. The problem is on

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Re: [vintagesynthrepair] Recapping

2013-02-16 by Daniel Forró

Thanks a lot, Lorne, these are great tips. Daniel F ... Thanks a lot, Lorne, these are great tips. Daniel F On 17 Feb, 2013, at 1:44 AM, Lorne Hammond wrote:

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RE: [vintagesynthrepair] Recapping

2013-02-16 by Lorne Hammond

Tips: A digital camera is a good friend to a set of schematics. I like to go on macro and shoot what I am about to work on. If you need to stop and order

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Re: Yamaha SY77 faulty

2013-02-16 by Royce

Any experienced Yamaha techs out there? The story so far... I have reseated all of the EPROMs and CPU and all the cable connects. No leaking Li battery so no

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Re: [vintagesynthrepair] Recapping

2013-02-16 by Daniel Forró

Hi, Brian, thanks for your answer, exactly this is kind of information I need. You know, I m only musician and to some degree linguist, electronics and repairs

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RE: [vintagesynthrepair] Recapping

2013-02-16 by Brian

Hi Daniel You only need to change electrolytic and tantalum caps, either when they are old 15 years plus, or when you can see a ring of sediment around the end

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Re: [vintagesynthrepair] Recapping

2013-02-16 by Daniel Forró

As I m in project of recapping my older devices, I d like to ask all of you more experienced gurus here your opinion: 1. I started with changing electrolytic

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Re: [vintagesynthrepair] DX7 Test Modes

2013-02-15 by Narfman96 - Narfland Studio

Hi Grant, It seems like the later rev eproms were missing some of the higher numbered tests. I m positive the SER7 is... Have you tried swapping the RAM

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DX7 Test Modes

2013-02-15 by grantpbt

Does anyone know how to get into the higher numbered test modes on an original DX7? The Test Mode in my EPROMs only go up to test 8 and I need something like

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Yamaha SY77 faulty

2013-02-15 by Royce

The unit arrived with missing screws in the case. Always a bad sign. The service manual, kindly given to me (also the one on the web), is only 71 pages and

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Roland S10 sampler.

2013-02-13 by Jim Blair

Does anyone have a copy of the free S10 Manager software? The old link doesn t seem to work. I ve ended up with a working S10 (free), but no sounds onboard,

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Korg MS10 service manual?

2013-02-10 by Jim Blair

Hey! I picked up a very cheap, but mint, MS10 today. Looks brand new. So it works great, and sounds amazing, but needs some pitch calibration. The upper end of

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Re: Yamaha SY77 service manual

2013-02-07 by Royce

Hi Daniel Thanks for the help. I didn t see this one. I did try Uncle Google and came up with the same link in your previous post, but I noticed that there was

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Re: Omni 2 readable service manual?

2013-02-02 by scituate_mass

I like you was unable to use the Omni 2 manual that is in circulation. I bought my own copy and did a hi rez scan. The scanner wasn t perfect, but it came out

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Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.