[Tig] Ursa Shading

Geoff cooper geoffc at molinare.co.uk
Fri Sep 15 16:18:23 BST 2006


Hi
We had a Gate-Learn problem this June.
It was traced to the Sync Card (102410) change both C39 and C42 from 1uF to
10uF.
A Cintel mod they omitted to tell us about.
Worth a try!
Good Luck.
Geoff Cooper
Molinare Ltd
London

-----Original Message-----
From: tig-bounces at tig.colorist.org [mailto:tig-bounces at tig.colorist.org] On
Behalf Of Jeff Booth
Sent: 15 September 2006 16:04
To: sklein54 at earthlink.net; 'Steve Roberts-PPGD'; tig at tig.colorist.org
Subject: RE: [Tig] Ursa Shading

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--

 
Hi Steve, long time no see.

This is a known problem as far as I am aware. There is a mod (requires
changing a capacitor in the shading time constant, I believe).

I would suggest having a chat with Stuart Hunt at Cintel.

Jeff

-----Original Message-----
From: tig-bounces at tig.colorist.org [mailto:tig-bounces at tig.colorist.org] On
Behalf Of sklein54 at earthlink.net
Sent: 15 September 2006 14:41
To: Steve Roberts-PPGD; tig at tig.colorist.org
Subject: Re: [Tig] Ursa Shading

TIG is supported by subscribers.
see http://tig.colorist.org for
donation button interface.  Thanks to
everyone listed at http://www.colorist.org/wiki3/index.php/Supporters
--

 
Hello Steve. What you brought up brings back memories. I remember Rank &
aftermarket tubes being very inconsistant when we were using these machines
in Los Angeles. Disabling scan-tack we were able to find a sweet spot
sometimes but it would burn the tube even faster.
Dude. how many of us took out the tweaker you had to have in you pocket to
adjust parabola on our 3C before work each day?

-----Original Message-----
>From: Steve Roberts-PPGD <steve.roberts at bbc.co.uk>
>Sent: Sep 15, 2006 3:24 AM
>To: tig at tig.colorist.org
>Subject: [Tig] Ursa Shading
>
>TIG is supported by subscribers.
>see http://tig.colorist.org for
>donation button interface.  Thanks to
>everyone listed at http://www.colorist.org/wiki3/index.php/Supporters
>--
>
>
>I wonder if anyone can help me with an Ursa problem...
>
>We have a Diamond with Y-Front, Twigi, Scandal etc that was inherited
>from another part of the corporation, hence we don't really know very
>much about it. It has been switched off for a month or so due to a PSU
>problem and I'm now unable to get good 35mm shading after an auto-align.
>
>16mm comes back lovely and flat, but 35mm has severe green and blue
>shading. Auto-shading appears to complete correctly, it just doesn't
>give the right result.
>
>Any suggestions?
>
>Steve
>
>> Steve Roberts
>> Senior Post Production Engineer
>> BBC Post Production
>> 
>> *	Work: +44 (0) 20 8576 4556 
>> 	Fax: +44 (0) 20 8576 1639
>> *	Room 3501, BBC Television Centre, Wood Lane, London. W12 7RJ
>> *	mailto:steve.roberts at bbc.co.uk
>> *	http://www.bbcresources.com/postproduction
>> 
>> 
>
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_______________________________________________
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