Re: [k5synth] Seeking K5 part
2005-01-23 by Antoine Deschênes
Are you trying to talk about the plates sticked to the battery, that comes off WITH the battery(It s making part of it, you didn t scraped the board, just
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Seeking K5 part
2005-01-23 by Robert Hill
Greetings, I have an ailing K5, and I m hoping that someone has a spare circuit board from a scrapped K5 that they are willing to sell. There is a certain
Re: Kawai K5 - Free for shipping
2005-01-16 by alan_probandt
Hello, I m certainly interested in the K5 offer. But the e-mail address is unworkable. Could you re-enter it? Thanks, Alan Probandt Portland Oregon
Kawai K5 - Free for shipping
2005-01-06 by Harry Brown
Hi there, I have a K5 that is not in fantastic shape, but does still work. It has a broken, (not just dim, but cracked) LCD display, some dead keys (that work
Re: intransigent K5 buttons
2004-12-22 by Marvin Kaye
Hi Antoine, Well, I dug back into that board with the buttons and actually managed to get one of them apart. They are really delicate little things and I d
Re: [k5synth] intransigent K5 buttons
2004-12-21 by Antoine Deschênes
Remove the brown cap over the buttons with the words on it(push it up or down looking from top by the sides), there s a white moving part that holds the button
intransigent K5 buttons
2004-12-21 by Marvin Kaye
Hi folks, I m in the process of putting my studio back together and am using my K5 as a master controller. I ve got a new backlight on order (the inverter is
Re: [k5synth] K3 additive wave different than K5?
2004-12-05 by Cindy and Nathan
Thank you for the easy to understand answer. Can you provide the same description for the K5 emulation of the Korg DW-8000? Is the DW-8000 additive or fixed
Re: [k5synth] K3 additive wave different than K5?
2004-12-05 by sealed
You can use 32 harmonics out of 1-128th. The level of each 32 harmonics can be set to 1-32. The set of harmonics is computed into a static waveform. You can t
K3 additive wave different than K5?
2004-12-04 by didobrain2000
The K3 has 33 waves plus a white noise generator. Wave number 32 is a user programable additive synth wave with 127 user assignable harmonics. I am looking
Re: test, sorry
2004-11-15 by nelsonj_sce
As far as the K5 goes, suddenly Middle C no longer plays unless I really bang on it! Bummer! It is not very hard to take the keyboard off and fix the keys.
Re: [k5synth] test, sorry
2004-11-14 by jbrave
That test message was from me using another account because I just changed my earthlink spamblocker settings to maximum, and then it occured to me that it
RE: [k5synth] test, sorry
2004-11-14 by antdes45@netscape.net
I was about to do the same thing, not a lot of people post things, not on lugnuts group, not on the-linear-users-group, not on ESP - The Audio Pages forum, not
Re: Notes on Schems...update on grounding experiment
2004-11-11 by antdes45dragonmaster
Also, I get some -47 when the volume isn t even at max. So I ll give a try to these OPA4228, and the 2 chan version in some preamps and DACs. ... the line in
RE: [k5synth] Re: Notes on Schems...update on grounding experiment
2004-10-28 by antdes45@netscape.net
My mixer plugged to the line in gives me -55 and my K5 plugged to the line in gives me -55 too. I did the 147k hack but with 150k ones, I got a problem: the
Re: Notes on Schems...update on grounding experiment
2004-10-28 by nelsonj_sce
OK - I am note sure this is an apples-to-apples test but here is what I did. I have a Yamaha DSP2416 mixer in my computer. I hooked up my K5 to the mixer and
Re: [k5synth] Re: Notes on Schems...update on grounding experiment
2004-10-25 by Antoine Deschênes
Could you do a little VU meter test, with mix output if you have changed the opamp for it(The same opamp is for headphones) or single if not, without a noise
RE: [k5synth] Re: Notes on Schems...update on grounding experiment
2004-10-24 by antdes45@netscape.net
JRC makes clones eg. the RC4558 is a TI chip but JRC makes some the VCAs are Mitsubishi, but JRC makes some too, send them an e-mail, they can send you infos
Re: Notes on Schems...update on grounding experiment
2004-10-24 by nelsonj_sce
Hack update: Since my last note I replaced the other two op-amps with socketed Burr Brown OPA4228. Replacing these two other op-amps did reduce noise levels
Re: Notes on Schems...update on grounding experiment
2004-10-23 by antdes45dragonmaster
Not exampe, example ...
Re: [k5synth] Re: Notes on Schems...update on grounding experiment
2004-10-23 by Antoine Deschênes
Removing the opamps one by one could help: exampe. You remove the 2nd last opamp and there is no more noise, then noise source is not at final stage. ... --
Re: [k5synth] Re: Notes on Schems...update on grounding experiment
2004-10-18 by Antoine Deschênes
Problem can be in the OKI coils, opamps other than U4, or something else. And if you remove the VCAs? (Without cutting the pins) Maybe these are just crappy
Re: Notes on Schems...update on grounding experiment
2004-10-17 by nelsonj_sce
Per one of my earlier notes, I took out my BB opamp part U4 and replaced it with a rewired Tl074 where I lifted the ground pins 3, 5, 10, 12 and rewired them
Re: [k5synth] Re: Notes on Schems...
2004-10-17 by Antoine Deschênes
Good opamps might not change the noise amout that much. But I know wiaht 2 opamps in parallel are doing with noise is like what 2 resistors in parallel are
Re: [k5synth] Re: Notes on Schems...
2004-10-17 by Antoine Deschênes
Well, in my case, the mixer is pretty niosy too(A Kawai MX8R mixer from the same year), and I ve never found Multi louder than Single nor Singles louder than
Re: Notes on Schems...
2004-10-16 by nelsonj_sce
You wrote: I only use MIX output and headphones I don t use the MIX now, rather, I stack everything in a Multi to a single output , Out 1 usually. It makes
Re: [k5synth] Re: Notes on Schems...
2004-10-16 by Antoine Deschênes
You told a couple of replies before I suppose you now have socketed opamps, like me , well I don t have some, I forgot to ask them at the shop. U1 if you use
Re: Notes on Schems...
2004-10-16 by nelsonj_sce
You wrote: They connected the non-inverting(+) input(if I m right) to the DG?!? Not directly. The schem show that the (+) is connected to the AG, but it
RE: [k5synth] Re: Notes on Schems...
2004-10-16 by antdes45@netscape.net
Pulling the DG from the boards not PSU board(Impossible, without removing a bridge rectifier), I ve already used the PSU without the big brown connector full
Re: Notes on Schems...
2004-10-16 by nelsonj_sce
Antdes, Ok, I still have more work to do but I did look more at the schems while on a plane today. Some thoughts... 1) DO NOT simply remove the DG ground on
RE: [k5synth] Notes on Schems...
2004-10-15 by antdes45@netscape.net
That s it, AG is analog ground, DG digital ground, +A6V dc analog 6v. . . The kind of fork for the analog ground is an other sign for ground, maybe they mean
Notes on Schems...
2004-10-15 by nelsonj_sce
Antdes, I just wanted to compare some notes on the schems. I have not had a chance to dig too deep yet but I want to see if you reached some of the same
Re: [k5synth] Re: How to fix a noisy ground?
2004-10-09 by Antoine Deschênes
Mine s not at -65 but at -47 dB with the TL072. ... -- Antoine Deschênes /aka -´¯`-¸-DragonMaster-¸-´¯`- http://thehotcom.deep-ice.com/ Files:
Re: [k5synth] Anyone have sounds for the K5 Pro Editor
2004-10-09 by Antoine Deschênes
And Overtone, SoundDiver, MIDI player have you tried them? ... -- Antoine Deschênes /aka -´¯`-¸-DragonMaster-¸-´¯`- http://thehotcom.deep-ice.com/
Re: [k5synth] Re: How to fix a noisy ground?
2004-10-09 by Antoine Deschênes
My MQX-32M(MusicQuest) shows up as a ð{Ð¥=§±^or something like this in the kfuenf editor, while the SBLive S/W synth and joystick ports are OK(The A and B
Re: How to fix a noisy ground?
2004-10-09 by kjtkfuenf
Hi Jeffrey, ... If you send an email directly to me, describing your problems, maybe i can send a debug version to you to get more information about the
Anyone have sounds for the K5 Pro Editor
2004-10-09 by nelsonj_sce
Has anyone converted the Kawai K5 sounds (the 9 cards) to K5 Pro Editor format? This seems to be the only editor I am having luck with transfering sounds
Re: How to fix a noisy ground?
2004-10-09 by nelsonj_sce
I got the schems yesterday and I will take a look at the ground issue. Although all grounds will eventually get to a single point, one idea is to make sure the
Re: [k5synth] Re: How to fix a noisy ground?
2004-10-07 by Antoine Deschênes
Note: Digital ground is on bridge neg. and Analog on 0v, and bridge goes to the transformer, so it s connected together in a kind of way. ... --
Re: How to fix a noisy ground?
2004-10-07 by antdes45dragonmaster
Buzzing in rear out is signal ground noise, all pcbs have sepparate analog grounds to PSU but linked together on the psu. ... Today ... to ... on ... directly
Re: How to fix a noisy ground?
2004-10-05 by nelsonj_sce
Antdes, Good information in the note below. It sounds like the good news is that the digital (D) and analog (A) have seperate grounds. From everything I have
Re: [k5synth] Re: How to fix a noisy ground?
2004-10-05 by Cindy and Nathan
Good information, I enjoyed reading it. ... From: nelsonj_sce To: k5synth@yahoogroups.com Sent: Sunday, October 03, 2004 8:31 PM Subject: [k5synth] Re: How to
Re: How to fix a noisy ground?
2004-10-04 by nelsonj_sce
Hmm...I am going to have to get the schems from Kawai - I will also do some research on how to filter a ground. If the analog ground is noisy the op-amps will
Re: How to fix a noisy ground?
2004-09-30 by antdes45dragonmaster
Digital Ground is plugged to one bridge s negative pole and analog to 0v line of the transformer(Black wire). I know it s a noisy ground because when I
How to fix a noisy ground?
2004-09-23 by nelsonj_sce
It looks like you have already changed out the op-amps and found that the noise is still there. Have you tried anythink to fix the noisy ground? Is it that
Re: [k5synth] Re: New Backlight/New Inverter - update
2004-09-22 by Antoine Deschênes
The LM386 doesn t produce any noise. Even if you unplug the signal there will still be some. Sctually the problem is a noisy ground. It s sharing the same
Re: New Backlight/New Inverter - update
2004-09-22 by nelsonj_sce
Here is the latest, it is good news. Today I got my parts for DigiKey. As below I replaced my backlight with a blue backlight from nightlaunch. It worked
Re: [k5synth] Re: New Backlight - inverter problems
2004-09-16 by Antoine Deschênes
Nichia box on mi-010 board near the plug on the top cover. Actually the highest voltage found in here is 24v, so caps are not a problem(And the only one with a
Re: New Backlight - inverter problems
2004-09-16 by nelsonj_sce
You wrote: As I see, 120v is kind of rare(I ve been told these things output 120, not 100) The best I can tell the inverter voltage output is related to,
Re: New Backlight - inverter problems
2004-09-16 by nelsonj_sce
It is very easy to find the inverter but it is not next to the backlight. It is a white box about 1.5 X.5 X1 in the right corner of the K5 (as you are