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libnjer | 2 Nov 2007 16:00

K2000 weird error after a few minutes on

Hi listers!

My K2000 (v. 3.87J, one of the early models before the v.3, internal
HD, no sampler, 64 meg RAM) hangs up and displays a weird error
message about 5 minutes after I turn it on to play.  During these 5
minutes, it works fine.  Then the screen displays the message "Can't
find the menu" and the functions rapidly shut down.  I can turn it off
and on and get another 1-2 minutes of play time before it happens
again, then usually, it's done for the day.   

Since it's good for another 5-minute run the next day, I wonder if
it's a heat issue.  

Has anyone ever seen this error?  If so, what part (motherboard,
daughterboard, OS chips, or whatever) did you have to replace to get
it working again?

Thanks much,
Jeremy

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DavidBrown99 | 2 Nov 2007 22:24
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RE: K2000 weird error after a few minutes on

Sounds like a heat issue and the most likely suspect is the power supply.  Try
unplugging the HD and see what happens.  You should get more time before it
shuts down, or it may stay running.
    That vintage of K2000 suffered from anemic power supply.  If this gives you
more time then I'll give you some tips to locate the problem part... (usually a
power transistor).
        David

  -----Original Message-----
  From: KurzList <at> yahoogroups.com [mailto:KurzList <at> yahoogroups.com]On Behalf Of
libnjer
  Sent: Friday, November 02, 2007 11:01 AM
  To: KurzList <at> yahoogroups.com
  Subject: [KL] K2000 weird error after a few minutes on

  Hi listers!

  My K2000 (v. 3.87J, one of the early models before the v.3, internal
  HD, no sampler, 64 meg RAM) hangs up and displays a weird error
  message about 5 minutes after I turn it on to play. During these 5
  minutes, it works fine. Then the screen displays the message "Can't
  find the menu" and the functions rapidly shut down. I can turn it off
  and on and get another 1-2 minutes of play time before it happens
  again, then usually, it's done for the day.

  Since it's good for another 5-minute run the next day, I wonder if
  it's a heat issue.

  Has anyone ever seen this error? If so, what part (motherboard,
  daughterboard, OS chips, or whatever) did you have to replace to get
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R B Meng | 3 Nov 2007 15:21
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Re:K2000 weird error after a few minutes on

Make sure the fan is not blocked and is running properly.

  Regards,

  R B Meng

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Steve | 3 Nov 2007 17:42
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Classic Keys ROM anamoly

Hi.
I recently discovered a strange and annoying anamoly within the Classic Keys rom of my PC2. 
It is present in every factory preset involving a Mellotron Choir. Specifically, the C# an octave 
above middle C simultaneously sounds a separate tone about an octave higher. I can't quite 
place it as a specific sound, but it is very noticeable and obtrusive. It has a kind of ringing 
quality to it.
I would like to find out whether it is a problem present on all of the manufactured Classic 
Keys roms or whether it is peculiar to mine.
If any of you have this rom, could you see if you hear what I'm talking about?

Thanks.
-Seeve W.

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David | 3 Nov 2007 19:09

PC2R vs PC2 compatibility

Hi, Kurzers.  I am a happy PC2 owner with all the bell and whistles 
(128 voice polyphony and orchestral and classic keys 
daughterboards).  I would like to leave my very heavy keyboard in its 
rehearsal room and purchase a used stripped down PC2R rack model on 
eBay to develop setups at home.  I would then move the setups from 
the PC2R to the PC2 from time to time.

Is this workable?  I know that the way the PC2 128 voice polyphony 
works is to stagger each note on between the native processor and the 
additional daughterboards and that this plays havoc with the computer 
editor software (PC2 Manager), making it difficult to use for setup 
development.

I fear that my idea of developing on a non-128 expanded PC2R may not 
work out if my purpose is to move the setups to an expanded unit.

Anyone venture a guess?  I suppose, worst case scenario is to throw 
money at the problem and expand the PC2R.

Thanks.

David

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S V G | 5 Nov 2007 06:26
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Re:Classic Keys ROM anamoly


     Steve,

     I do not perceive any kind of strange ringing or octave type sound on any of the Mellotron
Choir sounds on my Classic Keys ROM (PC2X).  Whatever is happening on your keyboard is not
happening on mine.  Hope that helps.

     You might check to see if you get the same thing using your headphone out.  Or try a
different set of monitors?  Does any weirdness happen with your C# on any other patch?

     Stephen

I recently discovered a strange and annoying anomaly within the Classic Keys rom of my PC2.
It is present in every factory preset involving a Mellotron Choir. Specifically, the C# an octave
above middle C simultaneously sounds a separate tone about an octave higher. I can't quite
place it as a specific sound, but it is very noticeable and obtrusive. It has a kind of ringing
quality to it.

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S V G | 5 Nov 2007 06:52
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Re:PC2R vs PC2 compatibility


     David,

     Firstly, what is it that you're trying to obtain with the 128 voice polyphony?  Did your PC2
come that way when you bought it?  I can't for the life of me come close to EVER hearing that I've
used up all the available polyphony on my PC2X, though I have to admit, I don't use it with any
kind of MIDI sequencers.

     If you don't really need it, why not do the simple thing and just get rid of the expanded
polyphony?

     Ok, so assuming that you do need it, how many Setups do you plan on transferring per month? 
If 5 or less, why not just take notes on your Setups at home and then replicate them by hand in
the rehearsal studio?

     If the PC Manager software doesn't work well with the expanded polyphony units, then beefing
up your PC2R will not allow you to use this software.  Is the PC Manager the main way you edit
your Setups?  How are you planning on transferring these Setups?  Via a Yamaha MDF?  Software?

     You speak of a "stripped down" PC2R, though it will have to have both the Orchestral and the
Classic Keys ROM for it to be useful in creating Setups... the only thing "stripped down" about it
will be the non-expanded polyphony.

     Perhaps if you gave us a little info as to how you use your PC2, we could offer ideas better
suited to your application.

     Stephen

I am a happy PC2 owner with all the bell and whistles
(128 voice polyphony and orchestral and classic keys
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Jon Stubbs | 5 Nov 2007 15:24
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Re:Classic Keys ROM anamoly

Is it possible that you have some phasing from two C#'s
and the same samples being played twice on top of itself?

>
>I recently discovered a strange and annoying anomaly within the Classic
>Keys rom of my PC2.
>It is present in every factory preset involving a Mellotron Choir.
>Specifically, the C# an octave
>above middle C simultaneously sounds a separate tone about an octave
>higher. I can't quite
>place it as a specific sound, but it is very noticeable and obtrusive. It
>has a kind of ringing
>quality to it.

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David | 5 Nov 2007 16:31

Re:PC2R vs PC2 compatibility

All good points, if not really an answer!  

I got the 128 polyphony because I knew the PC2 was going to be 
replaced within a year by the PC3 (OK, it took a little longer, but 
the PC3 finally is out) and I didn't want to regret not having gotten 
it and being unable to upgrade an out of manufacture product.  128 
voices is a bit much, but some voices eat up as many as 4 of the 
polyphony widgets per note so now you're down to 32 and if you're 
layering perhaps you'd really regret starting with 64 even in a live 
situation, never mind a sequencing situation. 

So why not get rid of it?  It was a real bear to install and I'd hate 
to go through that again.  I thought it would come from Sweetwater 
with everything installed.  Nope.  I got the PC2 and 3 little boxes 
containing additional Orchestral, Classic Keys ROMs and the PCX-1 
daughterboard (128 polyphony).  And lots and lots of manuals and CDs 
(but still needed to obtain more software).

Why not just transfer the setups by hand rather than electronically?  
Hmmm ... I think that's probably a workable workaround.  As the youth 
of America would say: duh!

Thanks,

David

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> 
>      David,
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James Cason | 5 Nov 2007 21:47
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Re: Classic Keys ROM anamoly

I have just checked my PC2 - I added the Classic Keys
ROM - there are three Mellotron Choir patches "Silent
sorrow, Bandpass choir, and Sweet tron voice."

I do not hear any unusual effect on the C#5 key, as
compared to C5, D5, E5, F5. I do notice a difference
in timbre on all three patches from F#4 through B4 -
like an added lower frequency voice added - probably a
difference in the samples that Kurzweil used.

The Mellotron voices are definitely different from the
normal Kurzweil vocal patches. Its kind of amazing
that so many things that were considered as
imperfections at the time are now revered as classic
sounds (i.e. distortion and key click on Hammond B3,
the thunk and distortion on a hard played old
Wurlitzer electric piano, the tine noise on a Rhodes
patch).

I'm playing this back through a pair of JBL EON 15G2
amp/cabs - which are pretty flat and sterile sounding
(I like flat in an amp - I can always add eq and other
effects as needed, its kind of hard to lose them when
they are there all the time.)

HTH,
Jim Cason
K2000VP, SP88X, PC2, K2661.

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Gmane