Polysix Clone KLM367a MG Problem help!
2011-05-31 by hotdogfinger25
Hello! I recently completed one the KLM367 Clones and the MG circuit is not working properly. When I turn it on the MG speed slowly ramps up to maximum speed
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Re: Replacement for HTV P1501 photocoupler?
2011-05-31 by ltern_te
Hi Don, Thank you for your helpful response. Managed to get the VTL5C2 part ordered and will start the repairs on the polysix soon. It has a tuning problem and
RE: [PolySix] Button Covers
2011-05-23 by backshall1 (dsl)
Are you sure it s just the button that you need? Usually when a button comes off, it s because the plastic spring hinge that holds it on has broken off. This
RE: [PolySix] Button Covers
2011-05-21 by lanrosta
Typically here: http://www.vintageplanet.nl/ But it looks like they are not in stock at the moment. Sorry. From: PolySix@yahoogroups.com
Button Covers
2011-05-21 by alpharisc
I am looking for some replacement button cover s, my Polysix is missing one of the Grey TO TAPE button covers, looks identical to FROM TAPE, VERIFY,
Re: [PolySix] Introduction
2011-05-15 by Ben Stuyts
I believe so too, this is a group with a very high s/n ratio fortunately. Hopefully it s just a matter of cleaning up some spam every now and then. And
Re: [PolySix] Original KLM367 reset calibration. Program LEDs 2,3,4 work but won't light during calibration.
2011-05-15 by Peter Mörck
Hi, Good to know my cheapo stuff will at least be useful for the 70 s and 80 s stuff :) I have just double-checked and measured (resistance check) on every pin
RE: [PolySix] Original KLM367 reset calibration. Program LEDs 2,3,4 work but won't light during calibration.
2011-05-15 by backshall1 (dsl)
For many, many years all I had was a 5MHz Heathkit oscilloscope (yes, built it myself) and it was just fine for things like the Polysix. The only drawback was
RE: [PolySix] Introduction
2011-05-15 by backshall1 (dsl)
This isn t a particularly rowdy bunch and may not need much moderating , but there s still work involved keeping the group going. Thanks for stepping up, Ben.
Re: [PolySix] Introduction
2011-05-15 by Ben Stuyts
Thanks Arturo, I ll do my best.
Re: [PolySix] Original KLM367 reset calibration. Program LEDs 2,3,4 work but won't light during calibration.
2011-05-15 by Peter Mörck
Hey Andy, Thanks for replying. I have a crappy Velleman-multimeter and a slow 5MHz USB scope (Picoscope) but I hope I ve got enough equipment to measure what I
Re: [PolySix] Original KLM367 reset calibration. Program LEDs 2,3,4 work but won't light during calibration.
2011-05-15 by Andrew Jury
Ooh and I forgot to mention make the measurement on the data bus as far away from the source as possible, i.e. At IC4/5 on the Œ371. If you have logic state
Re: [PolySix] Original KLM367 reset calibration. Program LEDs 2,3,4 work but won't light during calibration.
2011-05-15 by Andrew Jury
Hi Peter, I¹d say you still have some data bus chaos going on with the Œ367. Do you have a logic probe? Shunt the test point with a 56K resistor on the PSU,
Original KLM367 reset calibration. Program LEDs 2,3,4 work but won't light during calibration.
2011-05-15 by Peter Mörck
Hey group! I have been recapping an old Polysix which was given to me for free in pretty bad shape. I have repaired some 3 bad traces under IC31 on the CPU
RE: [PolySix] Introduction
2011-05-14 by Arturo B
Hey! Indeed, thanks for volunteering. ============================================ Arturo Brisindi [Musics] mydadvsyours.com | soundcloud.com/tapewobble
Re: [PolySix] Introduction
2011-05-14 by Ben Stuyts
Thanks Jed!
Re: [PolySix] Introduction
2011-05-14 by Jed Jorgensen
Thanks, Ben! Glad to have you as our moderator! Jed ... [Non-text portions of this message have been removed]
RE: [PolySix] Two Polysixes
2011-05-13 by backshall1 (dsl)
Sounds like a good project. Just keep all the good-looking parts for one of them and you should still have an ugly but fully-functional one to sell. I ve never
RE: [PolySix] Re: Replacement for HTV P1501 photocoupler?
2011-05-13 by backshall1 (dsl)
Hi Simon, I haven t needed to replace another bad photocoupler so I haven t had a chance to try a VTL5C3. I also haven t noticed any problems with tuning with
Two Polysixes
2011-05-13 by djo3yk
Hi, I purchsed a polysix several months ago. Its the old production version with KLM-366 and the additional KLM-396a board on top of it. The battery had
Introduction
2011-05-13 by Ben Stuyts
Hi, I ve been on this list since 2008 but this is my first post here. I saw Ken s request for a new moderator and thought this might be a good idea to give
Re: [PolySix] Moderator????
2011-05-11 by Ken Leonard
Yes, there are...or were. Thank you for the heads up. It s about time for me to retire from being Moderator from this YahooGroup. Would someone like to pick
Moderator????
2011-05-11 by Scott
There are a bunch of skanky/sex links in the LINKS section of the group pages.
Re: [PolySix] Re: Replacement for HTV P1501 photocoupler?
2011-05-11 by Andrew Jury
Hi, I¹ve always used the Siliconix NSL32 and a 39K resistor at position R93 and got very good results. Best of all they sell then Œoff the shelf¹ at
Re: [PolySix] Re: Replacement for HTV P1501 photocoupler?
2011-05-11 by Jed Jorgensen
I had to change out the opto in my unit. There s a text file in the Files section of the group website that has the following advice, which I followed: From
Re: Replacement for HTV P1501 photocoupler?
2011-05-10 by ltern_te
Hi Don/ Andy and thanks for your advice and feedback, Maybe a dummy question but how does one replace the P1501 with a VTL5CX ? Btw. did anyone find out
Re: [PolySix] Electrolytics marked MS?
2011-04-25 by Peter Mörck
Hi, Yeah I don t think it s anything critical either, but of course it makes you wonder why they insisted on separating them in the component list. Anyway,
Re: [PolySix] Electrolytics marked MS?
2011-04-25 by Andrew Jury
Peter, (M)atsu(S)hita were and still are active in the capacitor manufacture arena, so I am wondering if this is what it means. I shouldn¹t worry too much
Electrolytics marked MS?
2011-04-25 by Peter Mörck
Hi, I m looking inside my Polysix which was given to me for free in dead condition a couple of years ago. When I received it I saw it had suffered from battery
Re: Polysix effects doesn't work
2011-04-14 by Kristofer
... Try to swap out IC13, an op-amp that seem to be common for chorus and phaser modes output before the SK30-transistor. /kroffe
Re: Polysix effects doesn't work
2011-04-13 by radek
I ve exchanged those 2 ic s on effects board [4066 and lm324n] but effects still are not working :(
RE: [PolySix] Programmer problem
2011-04-11 by Arturo B
Could also be an issue associated with C23 on KLM-367...if it was fitted with the clone. A few of my boards experienced erratic behaviour (like randomly
RE: [PolySix] Programmer problem
2011-04-11 by Paul T
Could be a loose connection by the sounds of it. Open it up and make sure all cables are plugged in properly / unplug, check pins, replug. TT could have
Programmer problem
2011-04-11 by hardcorekid711
The programmer on my Polysix sometimes drops the current program and switches to a completely different sound while I m playing it. The new sound sometimes
Re: [PolySix] P6 power transistor
2011-04-08 by Johannes Hausensteiner
Hi, The data sheet of the 2SB744 tells the important values: PNP, TO-126 E-C-B, Ic=3A, Uce=45V (60V for 2SB744A), Ptot=10W (with heat sink) Lets see what we
Anyone have an mn3004 chip they can spare?
2011-04-08 by hyperjed
Hi all, I ve got what I think is a noisy MN3004 in the ensemble section of my P6. Does anyone have one of these on hand that they d be willing to let go of? If
2sb744
2011-04-08 by Scott
Try these for pinouts and specs www.datasheetarchive.com www.datasheet4u.com
Re: P6 power transistor
2011-04-08 by Scott
... Best place for vintage transistors and subs: http://www.ceitron.com/semi/semi.phtml?part=2sb744 Almost always in stock 98% of the time
Re: [PolySix] P6 power transistor
2011-04-07 by klosmon
... Tried that, thanks. Works with no load, but doesn t work when the modules are connected. ~G ... [Non-text portions of this message have been removed]
Re: [PolySix] P6 power transistor
2011-04-07 by Andrew Jury
You could try an Motorola MJE253, but check the pin out (should go e-c-b). This is a nice replacement for linear PSU circuits as it has a matched pair MJE243
Re: [PolySix] P6 power transistor
2011-04-07 by Jed Jorgensen
Would an MJE172 work? ... [Non-text portions of this message have been removed]
P6 power transistor
2011-04-07 by klosmon
I m trying to locate a replacement for the 2sb744 power transistor on the P6 power supply board -- I know this component is faulty (successfully swapped in a
Re: [PolySix] KLM 367 Clone Problems...
2011-04-06 by Andrew Jury
Hi Mike, A couple of points here. If this is the original transistor from the original KLM-367 then the base and collector pins are in a different position. So
KLM 367 Clone Problems...
2011-04-06 by Mike
Well, I guess I goofed and something is wrong with my clone board. Unfortunately, my PSU had a lead break from opening and closing the synth so I can t test
Re: KLM 367 Clone Job with Factory MIDI
2011-04-05 by Stefano
Does it leave the 8048 on the 367 or it s trasfered on the new midi board? It should t be enough for midi capabilities. For shure there must be a bigger SRAM
Re: KLM 367 Clone Job with Factory MIDI
2011-03-24 by Mike
It uses the original 8048.
Re: [PolySix] Re: conductive coating for keys
2011-03-18 by tomlinson6050@roadrunner.com
... =============
Re: New tune I made with my Polysix
2011-03-18 by arpomni
Thanks Herman, I used the CW keypad Repair kit. A 2 part conductive coating that worked very well. I could have fixed another 10 keyboards with it, but once
Re: New tune I made with my Polysix
2011-03-17 by arpomni
Err...that s all 61 keys ;-) I haven t modded it with an extra 5.... John
Re: [PolySix] New tune I made with my Polysix
2011-03-16 by Herman Dackenberg
Thanks for sharing! Which keypad repair kit did you use? I tried one that I used on a JX-3P and a MIDI keyboard, but it stopped working over time, but that