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I just had a US-made M-12 in for some serious work and took the opportunity to read the firmware EPROMs for the archives - they are now in the files area. CPU board version was MAT1.1 and voice card

Hi, I would like to tell my experience: some time ago my Xpander failed on all the test of a single voice. I was thinking about a capacitor in the top of the voice circuit or in the voice management

You had it serviced since the fuse blew? The fuse is there to protect the rest of the circuitry, so it’s unlikely anything else was damaged. If by some chance that voltage did get through, I

Hi folks, A few years ago now, soon after I bought it, I got the 120v / 240v thing wrong and the fuse blew. I got a new fuse and everything sounded fine. But I still wonder if it ever sounded

capacitors inside the housing. Changing this can fix the VOICE PROCESSOR MALFUNCTION cold boot problem. Thanks for elaborating. [email protected]> wrote:

have the experience. I've never done a full recap on any synth nor PCB As mentioned in a prior post, several people posted replacing the bad caps when I described the symptoms. This was several years

The IEC socket is the power socket at the rear, and the module contains capacitors inside the housing. Changing this can fix the VOICE PROCESSOR MALFUNCTION cold boot problem.. Well, it did for me

I didn't mean to be disrespectful or unfriendly to the OP by what I wrote below. I don't know how experienced they are. But if it were me, and thinking of my own past repair stories, I think I should

You definitely want to back up those patches, yes. I had issues early on when I got my Xpander (2016 I think) where the memory would get corrupted, machine wouldn't boot etc. It stopped after

Doing a recap feels like you're doing something, but does it solve an actual problem? If you have the experience (and the tools) the risk of a recap is probably not that big, it's just tedious. But

Anyway folks back up and running!! opened up the synth and had a good look around, checked all connections from voice / psu / processor board.... for a split second even thought that the? 68b09 chip

Hi ! I also collected a pack of caps, but never used up to now. I had a failing voice (#5) some time ago and thought it needs a new CEM 3372 and a re-cap, but it wasn?t. At the end of the day it was

Hi folks, hope all is well with yourselves and your obies? just chiming in to ask a Q.... was playing my 12 yesterday, i left it for about 10 mins to go do something out of the studio and when i came

I fully agree to all the points in Tim’s posting. Not only to the idea of establishing a good work flow, but even more so to his words on the general need for replacement of caps. I have seen so

Many years ago, I had posted messages about squirrely sounding voices (which also failed auto-tune0. PeWe and others referred me to specific caps, but I never got around to replacing them. It seems

If You are *sure* You need to recap, it's all about keeping focus. Once You get into a safe routine for the board You are working on - the heat you need to remove the old cap, using whatever method

If you are going to do it, I would do the supply first and then proceed through the voices one by one checking everything as you go. James

$74 is a very good price if it's still valid. https://www.perfectcircuit.com/arturia-matrix-12-v-v2.html

I'm not sure if I found this article on Xpantastic or not, but here it is... https://www.perfectcircuit.com/signal/oberheim-matrix-12

Hello All, I hope this email finds you all in good health and good E-music. I've been putting off recapping the voice circuits in my Xpander for way too long. I believe I've bought all of the caps