RE: [PolySix] Re: The case for a new case
2010-05-30 by Paul T
try Jeff @ www.customsynth.co.uk http://www.flickr.com/photos/customsynth/sets/72157615186360562/ He repaints them too (silkscreened). Top quality. To:
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Re: [PolySix] Re: The case for a new case
2010-05-30 by Andrew Jury
Hi, Yes, I know, but they obviously don¹t want to sell them to me! This is the lot I was referring to without trying to mention them! Perhaps it is my
Re: The case for a new case
2010-05-30 by feline1973
synthwood.com actually sell new PS6 cases!
RE: [PolySix] The case for a new case
2010-05-29 by lanrosta
Why not opt for something a little nicer than plywood, like oak or cherry wood? It s a pretty simple block design that you can easily trace the outline and
The case for a new case
2010-05-29 by y964omw
Hi Polysixsters, I was recently considering replacing the old chip board case on my favourite Polysix as it is in a bit of a state, to say the least. Does any
Re: [PolySix] Re: [Group Buy PCBs]
2010-05-28 by Andrew Jury
Hi Don, Here¹s what I¹ll using for my boards this summer! I have chosen the following types because they are reasonably easy to get straight off the peg and
RE: [PolySix] Re: [Group Buy PCBs]
2010-05-28 by fire sine
In regards to ceramics, Monolythic caps I favor the most. Keith ... From: backshall1 (dsl) Subject: RE: [PolySix] Re: [Group Buy
RE: [PolySix] Re: [Group Buy PCBs]
2010-05-28 by backshall1 (dsl)
Hi Andy, Any similar thoughts on capacitors? There are so many types out there, the cheapest being the little ceramic discs. Would it hurt to use a more
Re: [PolySix] Re: [Group Buy PCBs]
2010-05-28 by Andrew Jury
Yup, 26 in my case and it doesn¹t seem to be a series I have come across too often (if ever) in the past. However, there is no denying it, it does exist!
Re: [PolySix] Re: [Group Buy PCBs]
2010-05-28 by Andrew Jury
Hi, There is no problem with this. However, 5% carbon film resistors are general less expensive because of their lower tolerance. Try and stick to the spec if
Re: [Group Buy PCBs]
2010-05-28 by del_poolp@hotmail.com
Hi, I have another question. You think that have a problem there if I use only resistances metal 1 % (on the place of 5%) ??? it s ok for recent project, but
Re: [Group Buy PCBs]
2010-05-28 by Scott
... I worked in test and new product development for 25 years and NEVER came across a 0.6 watt resistor....Keep it at 0.5
Re: [PolySix] Re: Cold Reset problem
2010-05-28 by Andrew Jury
Hi Don, Of course the resonator is connected across pins 2 and 3 of the 8048. If you have a spare it might be worth seeing if how it behaves with an
Re: Cold Reset problem
2010-05-28 by longenough2002
Thanks to Andy for clarifying the difference between the ceramic resonator and a crystal. If I had gone looking for a replacement, I would have purchased the
Re: [PolySix] [Group Buy PCBs]
2010-05-28 by M Ll
Ha! No! I knew you would have a small squad of working PCBs under your belt :p Though any field notes would be helpful if you come across anything new :) ///m
Re: [PolySix] [Group Buy PCBs]
2010-05-27 by Andrew Jury
Hi, I have a working one and I am currently building another 8! Does that count?! Cheers, Andy ... [Non-text portions of this message have been removed]
Re: [PolySix] [Group Buy PCBs]
2010-05-27 by M Ll
Thanks for all the replies everyone :) Glad to hear the 0.5W is worth the risk. I figured it would be OK but I had to ask. I m in Toronto, Canada. We have a
Re: [PolySix] [Group Buy PCBs]
2010-05-27 by Andrew Jury
Hello, I think the most important thing to focus on is making sure these are 1% metal film types and of accurate value. This particular series (E96) is
Re: [PolySix] [Group Buy PCBs]
2010-05-27 by Jed Jorgensen
I think you are going to be more than fine with 1/2 watt. j ... [Non-text portions of this message have been removed]
Re: [PolySix] [Group Buy PCBs]
2010-05-27 by fire sine
For decent coin, too? I was thinking the same thing. ... From: Chromatest J. Pantsmaker Subject: Re: [PolySix] [Group Buy PCBs] To:
Re: [PolySix] [Group Buy PCBs]
2010-05-27 by Chromatest J. Pantsmaker
Where do you live where you can source all those parts locally? Man... that must be nice! Sorry, for not having an actual answer for you though. ... -- .sig
[Group Buy PCBs]
2010-05-27 by ML
Hi folks! I had a quick question about the 367A PCB from the group buy. I m trying to get my hands on the parts locally as opposed to purchasing them from
Re: Cold Reset problem
2010-05-22 by grantpbt
Both the crystal and capacitors have characteristics quite important to achieving god oscillation, especially in the old days. ;-) Make sure all the values
Re: [PolySix] Re: Cold Reset problem
2010-05-21 by Andrew Jury
Hi Don, I am actually away from the lab at the moment so can¹t give you an absolutely definitive answer, but shouldn t a CPU clock be a square wave, or there
Re: Cold Reset problem
2010-05-21 by longenough2002
Well, the reset seems to be okay. That 6 MHz crystal on the other hand does not seem to be behaving well. I can t actually get a good picture of it on the
Now who was interested in a Farnell parts list?
2010-05-20 by y964omw
Hi Chums, Just to let you know I have got Jed to post my Farnell Only parts lists for the 367 project on his site. I can t remember now who was asking for
Re: I want to buy the buttons "middlepiece"
2010-05-19 by Roger
Hello again. I m open to any suggestions regarding these buttons that I need. My life would have a new meaning if I could get a hold of three pieces of these
Re: [PolySix] Cold Reset problem
2010-05-18 by M Ll
Ermm. Whoops! Wrong thread :D [Non-text portions of this message have been removed]
Re: [PolySix] Cold Reset problem
2010-05-18 by M Ll
I ve removed them successfully several times to replace just tact switches. It s definitely ok if you re careful and you can even salvage the LED in the
Re: [PolySix] I want to buy the buttons "middlepiece"
2010-05-18 by Dave Garfield
Dear Group; SORRY! It was meant to go directly to Grandpianoguy... My most humble apologies for clogging the group messages. I ll go put on my sackcloth
Re: [PolySix] I want to buy the buttons "middlepiece"
2010-05-18 by Dave Garfield
Hi, Grandpianoguy! I have some middle pieces for the Korg switch-buttons. How many do you need? And do you need the LEDs as well? Dave Garfield
Re: [PolySix] Cold Reset problem
2010-05-18 by Andrew Jury
Hi Don, Best thing to do measure pin 4 on the CPU at switch on. The output from the comparator should drop active low for about a second and then swing back to
Cold Reset problem
2010-05-18 by longenough2002
I ve got a Polysix here that doesn t seem to initialize properly on cold mornings. Symptoms range from mild to bizarre. Sometimes I turn it on and the lights
Re: I want to buy the buttons "middlepiece"
2010-05-18 by longenough2002
I m sure I have a couple of those on an old KLM-371 board that I could take apart. Just the black frame with the two springy plastic bits attached to the
I want to buy the buttons "middlepiece"
2010-05-17 by grandpianoguy
I would love to buy some buttons for my synthesizer. A couple of buttons are broken and they needs to be replaced. The switch is working just fine and i havent
Vincent from yahoo group P6
2010-05-16 by kluberrrrr
Hey Andy, I d like to thank sincerley you for your help and I give you an other email of mine kluber@hotmail.com The thing is my other account is flood by some
Re: [PolySix] Re: MG section problem
2010-05-16 by Andrew Jury
Vincent, So let¹s recap... You checked the voltage rails generated by the power supply were accurate. You checked the battery as well (not necessary at this
Re: MG section problem
2010-05-15 by kluberrrrr
Eventually I did the D/A adjustment. All steps went fine except the 7 one because I don t have an oscilloscope yet. (working on it)
Re: MG section problem
2010-05-15 by kluberrrrr
Do you want a recorded sample to hear what is the state of my P6 for the moment?
Re: MG section problem
2010-05-15 by kluberrrrr
Hey, Thanks everybody for your explanations So I did check the battery Voltage ( in the service manual they said it should be between 3.6V and 4.10) my
Re: MG section problem
2010-05-15 by psicraft_designs
Re: [PolySix] Re: MG section problem
2010-05-15 by Andrew Jury
Vincent, Many of the functions which are not working are reliant on the multiplexor bus (the two 4051s). Given this you should definitely attempt the, first ,
Re: [PolySix] Re: MG section problem
2010-05-15 by Jed Jorgensen
Hi Vincent, What Paul said is correct. You can also use the Test Points (known as TP x ) which are little brass hooks with a yellow bead at the bottom. The
RE: [PolySix] Re: MG section problem
2010-05-15 by Paul T
there is a blank white plastic 2 pinned connector just below a capacitor and near a VR on the rear panel mounted power board (for the 52k load) - the j1/2/7
Re: MG section problem
2010-05-15 by kluberrrrr
HI there! I m really you guys crossed my thread! Thanks again to take time to help me! To Jed and Andy, I will undo the R09 fix tomorrow, I d like to start as
Re: [PolySix] Re: MG section problem
2010-05-14 by Jed Jorgensen
Man, I m way too impatient this morning. Andy just sent me a complete copy of the manual. That is now up on my website. I m also putting a copy in the file
Re: [PolySix] Re: MG section problem
2010-05-14 by Jed Jorgensen
Vincent, I ve put a copy of the service manual on my webpage here:
Re: [PolySix] Re: MG section problem
2010-05-14 by Jed Jorgensen
Hi Vincent, Yes, put R9 back and re-jumper the trace you cut. That modification isn t recommended unless you have LFO noise present that can t be fixed by
Re: [PolySix] Re: MG section problem
2010-05-14 by Andrew Jury
Vincent, First thing. Does the P6 do the same thing in Œmanual¹ mode. If you have just constructed the board the SRAM will be in an unknown state and the
Re: MG section problem
2010-05-14 by kluberrrrr
Hi Jed, first I d like to thank you for what you did for the P6 itself and of course its users! Even if my P6 doesn t work yet I remain positive :) I also