Rhodes Chroma Polaris group photo

Yahoo Groups archive

Rhodes Chroma Polaris

Index last updated: 2026-04-28 23:17 UTC

Message

Re: Major Polaris Issue?

2009-01-23 by charlespjackson

--- In chromapolaris@yahoogroups.com, "David Clarke" <ac151@...> wrote:
>
> > ... I have a Polaris that has seemingly seized
> >  up completely?  Basically it powers on with about
> > half the leds remaining lit...
> 
> Following up to the responses of others, this can also occur because of 
> the 'reset level' adjustment ("DC OK Threshhold") on the power supply 
> being incorrect.
> 
> Specifically, it could be a little low, causing the CPU to wake up 
> before it should. If this is the source of the problem, then it is 
> something easy to address (and is covered in the Service Manual, ref: 
> Section 6 - Adjustments and Checkout) [The service manual is available 
> in PDF form at
> http://www.rhodeschroma.com/?id=polaris ]
>
Excellent News!  Problem had been fixed and quite easily I must add
thanks to the recommendation provided above.
This was indeed exactly the issue.  I simply had to perform a minor
adjustment to the R17 pot.  Thank you all very much for the insight
and advice.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.