After many years faithful service, my polysix seems to have developed a tuning problem :-( Usually when I first switch it on, and initially hit the keys, the ...
Check the Files section as for how to replace the optocoupler. Do not touch ANY of the trimpots, as once you replace the bad part it should stay in its normal...
Thanks very much for the advice - since that only involves replaceing two components on the boards, even my wretched soldering skills oughta be able to handle...
Let us know if it helps... Had the same exact problem on my Trident and it indeed was the expo coverter. Thanks ;) ... part it ... the ... that's ... the ... ...
Hey everybody. I just got a ploysix and need help figuring out some problems. First, the battery has been replaced and the board cleaned so that is not an...
Hello, I am hoping that someone can explain to me how to properly remove the wire connectors from the boards inside the polysix. They are apparently glued...
... Make use of a good knife, like a box cutter or scalpel. And then carefully cut the glue. At least this worked for other devices I was digging around in. My...
Well, one obvious thing you might have overlooked -- removing the battery wipes the program memory; if you don't program in (or reload) patches, you'll get...
Hello, The polysix was set to manual mode. I'm going to take another shot putting it all back together again later today. Hopefully it was just a loose...
OK, so I put the board back in again, and made sure that all the connections were secure. Everything seems to be in the proper place, but I still can't get any...
Have you tried creating a new sound? From your response to the previous suggestion I'm not sure you understood what they were saying. When you remove the...
I switched it into manual mode, and tried flipping around the knobs, and nothing came out. So, I don't believe that this is the issue. (Unless I am doing...
I loaded all the patches in again, and the same problems are occuring. Just a lot of static sounds from the main output, though no static is coming out of the...
If you don't have a scope, repairs can be difficult. However, first check to see if there's audio output from the "output" test point on the voice board (use...
Fixed! Turns out it was just a stupid mistake. A plug on the voice board wasn't hooked up...I completley missed it! Thankfully, my polysix is now in full...
Heh, I once ended up screaming and shouting because I made my Trident not to work any more. Later I found I had forgotten to plug the power support cable into...
Please explain to me how the Opto thingamajig is supposed to be connected, all it says in the Files section is what resistor to change. It doesn't explain to a...
Well, it took a little while to get hold of a replacement opto-resistor, but I fitted it last night... pretty confident I got it soldered in right, but no joy...
I had this exact same dilemma last night - but careful examination will show you that only 4 of the pins on the old opto component is connected to anything. I...
I haven't tested anything further yet, do you think maybe I should open it up again and make some more adjustments? Perhaps even just flick the "stretch...
I had the same problem on my Korg Trident - the dual transistor responsible for the scaling was bad, the interval was about 3 halfs instead one half between...
Hi! I have an hold polysix that I'm trying to repair...I think I've to sobstitue the 8049c-217 programmer...Do you know where I can fin it or where can I find...
Hello list, I'm looking for a part for an original Yamaha DX7, and I wonder if any of you out there have an old unit that's not working that you might want to...
Hello, I recently got a poly 61 that had an issue with the battery leaking and corroding the surround traces. I was able to re-trace, which I found to be easy...
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