Polysix MIDI retrofit PS6-MRK manual

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silverren
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Polysix MIDI retrofit PS6-MRK manual

Post by silverren » Tue Oct 28, 2014 5:49 pm

Hello,

I recently got a broken Polysix with a PS6-MRK MIDI kit (made by KORG in the late 80s). It had the battery problem, but several wires from the MIDI kit are also loose inside the synth. These look to have broken off whatever ICs they were soldered to before, but I have no clue which ones. There aren't many references to this kit online, let alone a manual.

Does anyone have an installation manual for this kit available to share or purchase?

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Explorer
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Re: Polysix MIDI retrofit PS6-MRK manual

Post by Explorer » Tue Oct 28, 2014 6:07 pm

http://analog.no/cms/index.php/korg-pol ... i-retrofit

This is the usermanual for the PS6-MRK, and also includes how to perform the upgrade.

Good luck,
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silverren
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Re: Polysix MIDI retrofit PS6-MRK manual

Post by silverren » Tue Oct 28, 2014 7:20 pm

Explorer wrote:http://analog.no/cms/index.php/korg-pol ... i-retrofit

This is the usermanual for the PS6-MRK, and also includes how to perform the upgrade.

Good luck,
Thanks, but that's a completely different kit to the one I posted. That manual quotes Korg's at the beginning but is misleading. The wires still connected on my KLM-367 board are on different ICs, with IC32 (TC5514) removed and a wire soldered into pin 8's hole.
Last edited by silverren on Tue Oct 28, 2014 8:01 pm, edited 1 time in total.
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radek tymecki
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Re: Polysix MIDI retrofit PS6-MRK manual

Post by radek tymecki » Tue Oct 28, 2014 7:56 pm

you have to unsolder memory ic from 367. more details will come. i've performed midi upgrade just a week ago. 2 wires to solder to memory chip, 2 other ones to other ic on 367
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gearfixer
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Re: Polysix MIDI retrofit PS6-MRK manual

Post by gearfixer » Wed Sep 21, 2016 6:58 pm

I just received a Polysix with this midi kit anyone have a manual and installation manual/schematic. I repaired the KLM board but still have problems.
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gearfixer
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Re: Polysix MIDI retrofit PS6-MRK manual

Post by gearfixer » Wed Nov 02, 2016 1:13 pm

I really could use the service/install manual for this kit!
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Callockard
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Re: Polysix MIDI retrofit PS6-MRK manual

Post by Callockard » Sun Jul 19, 2020 6:15 am

radek tymecki wrote: ↑
Tue Oct 28, 2014 7:56 pm
 you have to unsolder memory ic from 367. more details will come. i've performed midi upgrade just a week ago. 2 wires to solder to memory chip, 2 other ones to other ic on 367
Hi, has this ever been resolved? I have a semi-working unit with the exact same midi kit made by Korg. We may be able to help each other.
Thanks!
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