Re: [chromapolaris] MIDI issues
2014-09-09 by Bob Stewart
It s gone very intermittant. All the other switches are OK. I think it s the membrane itself rather than the flexi pcb connector. Just worn I guess. No
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RE: [chromapolaris] MIDI issues
2014-09-09 by Paul D. DeRocco
... The pair. Although I don t see how only one switch could fail, since they re in a matrix. Generally, it s one column or one row in the matrix that dies. --
Re: [chromapolaris] MIDI issues
2014-09-09 by Bob Stewart
BTW Paul Do you sell the Sync switch has gone on the Left hand membrane. Do you sell the panels seperatley or do you have to buy the pair? Cheers Bob On
Re: [chromapolaris] MIDI issues
2014-09-09 by Bob Stewart
Hi Paul. Not sure. Will check when I m back at the studio tomorrow. Cheers Bob On Tuesday, September 9, 2014, Paul D. DeRocco pderocco@ix.netcom.com
RE: [chromapolaris] MIDI issues
2014-09-09 by Paul D. DeRocco
... Just curious: what software revision do you have? That s LF D 2. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@ix.netcom.com
Re: [chromapolaris] MIDI issues
2014-09-09 by Robert Stewart
OK... Had a chance to have a quick look at the Polaris, while the client was having his lunch. Yes I can turn the immediate local control on, and off. However,
Slightly OT: wtb Chroma I/O bd
2014-09-08 by Bob Grieb
Hi, Didn t find a Yahoo Group for the Chroma, but maybe there are Chroma owners here as well. I recently purchased one of the first fifty ARP/Rhodes Chroma s.
Re: [chromapolaris] MIDI issues
2014-09-08 by Bob Stewart
Hi Dave OK thanks. I ll give it a go. Thanks for your help :-) Bob On Sunday, September 7, 2014, David Clarke ac151@freenet.carleton.ca
Re: [chromapolaris] MIDI issues
2014-09-07 by David Clarke
... Yes, correct. These control whether the local controls (keyboard, sequencer, etc.) will/won t send data to the internal sound generators in the Polaris.
Re: [chromapolaris] MIDI issues
2014-09-07 by Bob Stewart
Hi David Pretty sure I had that setting, and it wasn t working. I ll check it again tomorrow if I get a chance. That s all three LEDs off ya? 1,2, and 3 What
Re: [chromapolaris] MIDI issues
2014-09-07 by David Clarke
... For what you describe, it appears that you effectively want to turn local control of the Polaris off. Assuming your MIDI out and MIDI in are
MIDI issues
2014-09-05 by bob@...
Hi I m trying to integrate a Chroma polaris into a MIDI set up, and am having some problems. What I need is for the keyboard/controllers to route to MIDI out,
RE: [chromapolaris] Refurb of 300030
2014-09-02 by Paul D. DeRocco
... I don t think there s anything wrong with bending the tails into an S-curve. Real Mylar shouldn t have a problem with that. The old Polaris panels were
Re: [chromapolaris] Refurb of 300030
2014-09-02 by w.james.meagher@...
Thanks for all that info and advice Paul! I ve done everything you suggested (except reprogramming the EPROMS because I don t have a programmer), and am about
RE: [chromapolaris] Polaris after 15 seconds get all stopped like frozen
2014-09-01 by sukhoy27@...
Grazie Paul. Ciao
RE: [chromapolaris] Refurb of 300030
2014-08-27 by Paul D. DeRocco
... Reseat connectors, and perhaps even socketed chips. Measure power supply voltages (and check for ripple if you have access to a scope). Do all
Refurb of 300030
2014-08-27 by w.james.meagher@...
Hello Paul et autre! I have acquired Polaris SN 300030 in a state of limited functionality (it makes noise, but that s about it), and am wondering if I should
RE: [chromapolaris] Polaris after 15 seconds get all stopped like frozen
2014-08-26 by Paul D. DeRocco
... Yes, that s a good idea too. The digital power supply may have ripple on it, which could mess things up even if the average voltage looks good on a meter.
Re: [chromapolaris] Polaris after 15 seconds get all stopped like frozen
2014-08-26 by sukhoy27@...
Dear Paul , thank You for very fast answer ! The frozing effect appears not immediately but gradually ! As You suggest It should Be the EPROM ( It s also
Re: [chromapolaris] Polaris after 15 seconds get all stopped like frozen
2014-08-26 by Bob Stewart
Sound like you might have a processor issue. Had a similar issue with a Roland JP6 recently, and needed a new processor chip. ... On Tuesday, August 26, 2014,
RE: [chromapolaris] Polaris after 15 seconds get all stopped like frozen
2014-08-26 by Paul D. DeRocco
... Are you saying that it fails gradually? Most freeze ups happen suddenly and all at once. The first thing to try on any old piece of electronic equipment is
Polaris after 15 seconds get all stopped like frozen
2014-08-25 by sukhoy27@...
Dear Paul , Please May you help me to understand why my Polaris , when turn on, after 15/20 sec it became frozen, and all push buttons do not respond , it
Re: [chromapolaris] Chroma Polaris for sale!
2014-06-19 by james Dugas
HELLO MAAM _SORRY FOR YOUR LOSS-IHAVE AN INTEREST IN YOUR MANS GHROMA PO:ARIS SONCE MINE WAS STRUCKBY LIGHTNING A FEW YEARS BACK-EXCUSE TYPING! I SOLD MINE
Chroma Polaris for sale!
2014-06-19 by Dan Stefacek
As you may have noticed over the last two years, my husband Dan, aka FoJammi, has not chimed in to this site with helpful advice or mentions of his own
RE: [chromapolaris] Polaris Membranes installed, Bank / program select not totally working right
2014-06-19 by Paul D. DeRocco
... I m surprised you didn t contact me, since I m the guy who sold the panels to you. Since the panels were tested by the manufacturer, and then tested again
Polaris Membranes installed, Bank / program select not totally working right
2014-06-19 by wonderbromusic@...
Hi all, I ve recently purchased and installed new membranes on my Polaris II, and for the most part, they re working great, the keyboard makes sound like all
Re: [chromapolaris] Chroma Polaris Ribbons
2014-05-08 by Bob Grieb
I replaced mine as well. Definitely a good idea. Bob ________________________________ From: James Meagher To:
Re: [chromapolaris] Chroma Polaris Ribbons
2014-05-08 by James Meagher
And for what it s worth I am one such person who can vouch for how awesome the replacement panels are. Take the plunge and you probably won t have to worry
RE: [chromapolaris] Chroma Polaris Ribbons
2014-05-08 by Paul D. DeRocco
... Both tails are involved; one has the row connections and the other has the column connections. The panels were made out of some material other than real
Chroma Polaris Ribbons
2014-05-08 by <lukas.switlicki@...>
Maybe I should ask a techy, but this group seems informed so why not. The bottom row of my right membrane panel ( the last row of preset buttons) doesn t
Re: [chromapolaris] Re: Chroma Polaris Lights up, but makes no sound.
2014-04-23 by merolasteve
Thanks Bob. I appreciate the help.
Re: [chromapolaris] Re: Chroma Polaris Lights up, but makes no sound.
2014-04-23 by Bob Grieb
Hi Steve, Once you get your scope going, I would check the reset to the CPU, and also the main clock input. Also make sure that the power rails to the
Re: Chroma Polaris Lights up, but makes no sound.
2014-04-22 by merolasteve
Just to follow-up. I re-seated just about every cable. I still need to re-seat the cables that connect to the panel PCBs. I VERY carefully reseated the 2
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-20 by merolasteve
Ok. Will do. I ll report back today or tomorrow. Thanks again. Steve
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-20 by Paul D. DeRocco
... Too bad. That means you have something else that needs to be diagnosed. Next step would be to unplug and reseat all the cables. After that, I d look at all
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-20 by merolasteve
Hi Paul. The power supply LED is on. I had never actually powered it on with the top off until just now. Steve
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-20 by Paul D. DeRocco
... Yes. Contact me off list with your address for a quote. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@ix.netcom.com
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-20 by Paul D. DeRocco
... I was referring to the LED on the power supply. I guess it must be off, or you d have noticed it. -- Ciao, Paul D. DeRocco Paul
Re: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-19 by merolasteve
Ok. So the power supply has three trimmers. All LEDs except the following are constantly lit: Noise, Mod Lever Range, OSC 2 ENV, and A. Thanks again Steve
Re: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-19 by merolasteve
Paul, are new membranes still available? Steve
Re: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-19 by Robert Stewart
From my understanding, when the batteries go flat you loose all the stored settings and have to go through an elaborate calibration procedure to get it going
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-19 by merolasteve
Thanks for the quick replies. I will look at the LEDs and trimmers when I am home again tomorrow. A few things I noticed: a crack in the smaller flat cable for
RE: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-19 by Paul D. DeRocco
... The FIRST thing to do is to open it up and see if you ve got the early power supply version that has three trimpots on it. If so, the problem may be that
Re: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-19 by Bob Grieb
Sounds like possibly the CPU is not executing code properly, which could be caused by a lot of things. Do you have an oscilloscope? First thing is to
Re: [chromapolaris] Chroma Polaris Lights up, but makes no sound.
2014-04-18 by w.james.meagher@...
The first thing to do is to open it and check those membrane connections. Watch the videos online about it first so you know what you re looking for. I believe
Chroma Polaris Lights up, but makes no sound.
2014-04-18 by merolasteve
Hi everyone. I joined up in anticipation of buying a non-working Polaris. I now have it in my possession. It is in great cosmetic, but non-working shape.
Polarità Capacitors replace
2014-03-09 by sukhoy27@...
Hi to everyone !!! I lost a very interesting post about the WIMA FKP or polystyrene capacitors replace to better Improve Chroma- Polaris tune
RE: [chromapolaris] Loss of sound..
2014-03-06 by <synthparts@...>
I have both the VCO and VCF chips for a good bit less than $100 a pop so let me know if you need any. Doug synthparts.com
RE: [chromapolaris] Loss of sound..
2014-02-28 by Paul D. DeRocco
... If you have an intermittent problem, the most likely cause is a dirty contact on a connector somewhere. Try unplugging and reseating everything inside
Loss of sound..
2014-02-28 by Harvey Peekar
Hello Chroma Group! Winter sucks! I m reaching out to see if anyone could help me identify a problem that Ive recently noticed with my Polaris 2. I m not sure