Discussion about the Korg PolySix synthesizer group photo

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Discussion about the Korg PolySix synthesizer

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Re: [PolySix] RAM replacement ICs?

2006-02-20 by (no author)

... From: The Old Crow ( [EMAIL REMOVED] ) Date: Mar 16, 2001 Subject: Re: [sdiy] TC5514 s-ram chip needed ... Tony, Jameco has an equivalent I ve used in

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RAM replacement ICs?

2006-02-20 by jure zitnik

hello. i m wondering if there are any ICs equivalent to the TC-5514 APL-3 used in the polysix. mine might be faulty and i distantly remember reading somewhere

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How do I tune this Polysix of mine?

2006-02-14 by motionsandwaves

I recently had the battery replaced, because it needed it and it also kept resetting itself back to A1 during playback. In the process my friend with trusty

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Re: Trident question

2006-02-13 by stagerhodes

I will have a guy more or less in the business, looking at my Trident, next Wednesday...i am not able to advance more on this alone..anyway many thanks to all

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Polysix Wanted!

2006-02-13 by marcobasile78

Hallo everyone! I m mark from Naples (Italy) I need a polysix M (Midi with in e out, prog change, hold pedal etc) IS there anyone out there that have one for

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Re: [PolySix] Modular Polysix

2006-02-11 by jure zitnik

you do realize that the POLYsix is POLYphonic? it could be done but everything patched out six times would look a bit funny... kokoon

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Modular Polysix

2006-02-11 by rat soul

Hey, I saw a Roland SH 101 on ebay a while ago that had been customised so that it was semi modular like a Korg MS20. I was wondering if this would be possible

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Re: Trident question

2006-02-08 by stagerhodes

I noticed the problem is independent of the mode (manual or memory), i must say i m normally in manual mode but had tried in memory too, and despite some

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Re: Trident question

2006-02-08 by gil_we

When you switch the Manual mode on - do this problems still occur ? ... group, ... just ... to ... some ... is ... dissipator ... a ... wait ... distortion ...

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Re: Trident question

2006-02-07 by stagerhodes

Hi , i answered your message but it seems it never came to the group, i dont know why. This week has been and it will be a very busy one for me, so i have no

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Re: Trident question

2006-02-04 by gil_we

DO NOT TOUCH IC12 ! If you re not looking for any further trouble... Johannes and me were just trying to solve a problem on my Trident on which that particular

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Re: Trident question

2006-02-04 by stagerhodes

Good tips which i will try for sure. I noticed the IC12 (10 leg transistor type) in the signal board , will heat very quickly, is this normal ? Since the

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Re: [PolySix] Re: Trident question

2006-02-04 by Johannes Hausensteiner

Hi, So the preset thing is clear; probably a genius cranked the trimpots and made the sounds unusable. For the distortion: try to find out on what this

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Re: Trident question

2006-02-04 by stagerhodes

ok...i think i made some progress here...when trying to adjust VR27 in the presets board (with piano 1 , as Johannes told) suddenly i heard the sound loud and

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Re: Trident question

2006-02-03 by stagerhodes

Hi , tonight i will take a longer look to the flanger board, as well as trying some of the tips Johannes gave me (yesterday i was out and couldn t be around

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Re: Trident question

2006-02-03 by gil_we

Also, can you see any broken or cold solder joint on this board ? ... related ... only ... kind ... modulation ), ... Intensity ... to ... crashed ... after

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Re: Trident question

2006-02-03 by gil_we

The Flanger board (KLM-291) is also the mixer board, in case it got defective it makes sense to me that the synth problem may be related to a defect on that

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Re: Trident question

2006-02-02 by gil_we

Johannes - could it be somewhere in the mixer (some bad opamp where the synth section comes in) ? ... the ... in ... in ... malfunction ... which ... wuuld ...

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Re: Trident question

2006-02-02 by stagerhodes

Hi Johannes, i will try your tips and see what happens...only one thing , the distortion is more proeminent with EG Intensity to full positive position (all

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Re: [PolySix] Re: Trident question

2006-02-02 by Johannes Hausensteiner

Hi Art, No,the flanger does not have any influence on the synth section, technically. So, what I get from your post is that there are (possibly) two problems:

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Re: Trident question

2006-02-02 by stagerhodes

thank you !...well, the controls are working, only it makes a kind of distortion which is more audible in the 16 and 8 octaves, it reduces it in the 4 ( a

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Re: [PolySix] Re: Trident question

2006-02-02 by Johannes Hausensteiner

The PCB looks OK; no damage due to leaked battery as in the Polysix is visible. According to the pics (silkscreen) the battery which is mounted seems to be

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Re: Trident question

2006-02-02 by stagerhodes

Hi, just uploaded 8 photos of the board, hope they re ok now for you to try to help me. regards, Art ... and ... programmer ... ... some ...

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Re: Trident question

2006-02-01 by stagerhodes

So you think the problem is programmer related ? By the way...do you think its possible to buy some press switches (not the switch itself wich is a common type

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Re: Trident question

2006-02-01 by gil_we

you re welcome, I m interested to see how corroded is the board - if any at all. ... ones ... though ... just ... take ... this ... get ... definately

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Re: Trident question

2006-02-01 by stagerhodes

Hi Gil, well, i m not at home right now, but the battery is from Sanyo, and the big lettering is CADNICA (nickel cadmium). I will take better pictures tonight

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Re: Trident question

2006-02-01 by stagerhodes

As far as i can remember the Polysix has 1 VCO per voice, the Trident has a 2nd VCO which is very handy to get those fat detune sounds... ... net. ... them;

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Re: Trident question

2006-02-01 by gil_we

It s very hard to see anything on those pictures... I do see though that the battery was already replaced ?? looks like a lithium battery what does it say on

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Re: Trident question

2006-02-01 by gil_we

Tridetn MKII have an ENV for the VCF as well, and an extra sawtooth based VCO with octave selection and detuning option - great for making string sounds... BTW

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Re: Trident question

2006-02-01 by stagerhodes

I think i have another problem here, not related with battery leak, i just uploaded some photos , not very good quality, but the battery seems to be sealed,

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Re: Trident question

2006-01-31 by stagerhodes

hummm...the PS3200 is one of those along with the 3100 i never tried but would love to...well, lets start messing with this Trident... ... net. ... them; ...

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Re: Trident question

2006-01-31 by gil_we

... the ... post ... beeing ... the ... near ... stay ... left ... to ... ... is ... section ... with ... working

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Re: Trident question

2006-01-31 by gil_we

Thanks, I believe that this type of info should be shared all over the net. The Trident s schematics are very rare - took me weeks to get them; however, here

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Re: Trident question

2006-01-31 by stagerhodes

Oh, i m very pleased regarding this group , many thanks for your reply and the schematics beeing available for download... i will unmount the Trident may be

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Re: Trident question

2006-01-31 by gil_we

I didn t fully understand how the synth section acts on this machine... Also, is there corrosion (green colored) on the battery and near it ? Are there bad

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Trident question

2006-01-31 by stagerhodes

Hi, i just bought a Trident MK I in which the poly synth section is malfunctioning, i am almost certain that the problem is the battery question , and the

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Re: fault location advice needed

2006-01-30 by gil_we

Yah I ment 367... It looks like it hasn t be 100% repaired... Can you see corrosion on other boards as well ? ... involved ... with ... probably ... alright

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