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Patches and discussion for Ensoniq VFX family

Index last updated: 2026-04-29 00:03 UTC

Message

Re: [Ensoniq-VFX-SD] SD-1 Fizzles out

2004-11-06 by mishon66@aol.com

Chances are you need the poly key separation repair done on your unit, if you look in the Database and click on the FAQ section of all this information is here.
 
Ensoniq did have a problem with the poly key pressure board but this was finally solved in service bulletin # 12. This bulletin is available free for down-load on the www.Route66studios.com web site under the ERROR 144 page. There were many suspected culprits to this error, solder flux, coil board drift, KPC version 2.20, foam-less keyboards, heat changes, oxide on tin connectors but the real problem was in the keyboard KPC header connector flex or weakness, this was easily solved by having the header connectors removed and the wires direct soldered to the coil boards. Do NOT let this sway your decision to pick up a second hand VFX, VFXSD, SD1 or SD1 32, this was and is a simple fix and most of all units have already had this repair done. This problem started in the VFX and ended in the SD1 32, the EPS series samplers were also affected. 

Heat will cause the unit to expand and contract and if the headers flex they will short.
 Richard at Route 66








In a message dated 11/6/2004 4:15:43 AM Eastern Standard Time, "Michael C Lesko" <MichaelL33@...> writes:

>
>Hey all,
>
>Ok, this event was interesting. \ufffdI have been dealing with the overheating
>problem of my SD-1 now
>when it gets hot the keyboard stops, wants to re-initialize and then goes
>blank. \ufffdI will try to do a hard
>restart and it stays dead. \ufffdAfter letting it cool for quite a while it will
>fire back up and need the sequence
>OS reinstalled.
>
>I had pointed a large fan directly at the vents and it kept the keyboard
>really cool however the keyboard
>did the exact same thing? \ufffdMy question is, besides the heat is there any
>other problem that might be
>causing this? \ufffdI also realized that the SD-1 has a fuse in the back. \ufffdCan
>this be related to the fuse? \ufffdJust
>a guess. \ufffdAny info would be greatly appreciated. \ufffdThanks.
>
>Michael
>
>----- Original Message -----
>From: "mrlongwind" <memusic@...>
>To: <Ensoniq-VFX-SD@yahoogroups.com>
>Sent: Saturday, November 06, 2004 3:44 AM
>Subject: [Ensoniq-VFX-SD] Does Anyone Have a GM Drum Map For the VFXsd?
>
>
>>
>>
>> Greetings VFXer's, I've been working on a song for my church this
>> weekend, and am getting discouraged by not getting the drums to
>> playback at a satisfactory drum program. I usually can get something
>> by tweaking the key transpose page but it ain't happening. I'm going
>> to continue editing something. It is a GM compatible song but what I
>> usuallyn do is throw a song into the VFXsd and then use sounds from
>> it.
>> Lat night I cracked the manual open after five years but I find it
>> not very useful or detailed at drum edits unless it's just not clear
>> to me yet. Anyhow does anyone have any of the drum sounds in the
>> VFXsd programmed for GM?
>>
>> Sincerely, Jon
>> http://jonjohnson.iuma.com
>>
>>
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>>
>> Yahoo! Groups Links
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