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This sounds to me more like a PSU that is starting to show signs of degradation. I've had a US Xpander now for over 12-years, and just last year it developed a somewhat similar issue (delayed

This is relatively common on any electronic equipment with socketed chips. Slight oxidation over time will disrupt the connections, and you only need one pin to start being temperamental before the

This all sounds incredibly familiar. Literally an hour ago my Japanese XPander crashed and failed to boot. I opened it up, give each chip a push and now it works. I don't actually remove the chips

Hi, I'm posting to share some of my experiences in case they are of use to others. I own a US-made Xpander for about 6 years now. It seems that once every few years I see issues where the Xpander

Hello Everyone, I'm working on a program which will decode the Xpander cassette dump format and save that data as sysex. I'm doing this just for fun, not that there is any pressing need for it. My

No wai, there is another M12 in Ireland? WHO KNEW? :) Greetings from Wicklow..

Ah cool! thanks for the advice, was on to a tech here in Ireland but couldn't give an indication as to when he would be free to take a look at it , so took a look myself... and hey ho! worked like a

Just autotune. Anybody, please correct, if I was wrong. Tiitu

Hi , I don't remember when I last replaced the battery in my Xpander, and I wasn't smart enough to write the replacement date near the battery. I'm thinking about just cutting the leads for now,

It's not a good idea to make a connection without going through the board. The solder joint is both an electrical connection and a mechanical connection. If the joint is too small you put strain on

Hi folks just a quick question, I have a replacement Panasonic br-2/3v battery on its way for my Matrix-12, How easy are these to replace? ive managed to remove the old battery... the legs on the

So sad ! My condolences to his family. / Lars Fr?n: [email protected] <[email protected]> F?r r1n9o Skickat: den 16 juni 2021 14:21 Till: [email protected] ?mne: Re:

Karl's last post to this forum was on 10/08/20. (His last reply to this thread was actually 4/15/10.) PeWe, please pass on the group's heartfelt sympathies and gratefulness.? He made more helpful

If autotune passes but oscillators sound out of tune, then the first thing that comes to mind is a wonky patch. Are they out of tune when you play an init patch? (On the Xpander that is Clear+Store,

The first thing I suspected was the DAC. So I already did a swap with a working one from OB-8 (the same chip). Nothing has changed. The next things I'm gonna check are U805, U814, U815.

Hi, This is just a guess, but a bad DAC could cause that sort of problem. They tend to fail with one bit stuck either high or low - if a low-order bit has failed then the autotune would probably have

Thanks, Steve ! It worked. One more quick question. On upper voice board all rountines pass autotune, but oscillators still sound out of tune. Some of the voices are semitone higher than the

Hi, I faced the same problem a few weeks ago and posted the solution back then. Obviously it would make sense for the M12 to zero the output of both voice card DACs when you engage the DAC OFFSET

(2) DAC OFFSET service routine only works with lower voice board. How to adjust DAC offset on upper voice board? Is it true ?

Use an init patch (clear+store) when testing, then you know for sure it won't respond to velocity, aftertouch. Just note on/off. Try the stereo outs and the mono out. Try panning all voices hard left