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» Film-Tech Forum ARCHIVE   » Operations   » Digital Cinema Forum   » Barco DP2K 23B Color Issues (Page 2)

 
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Author Topic: Barco DP2K 23B Color Issues
Marco Giustini
Film God

Posts: 2713
From: Reading, UK
Registered: Nov 2007


 - posted 11-13-2013 03:33 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
If the colours acted up again, try some test patterns. You can try the Barco test patterns, which are generated in the ICP, the colour calibration patterns, which are generated on the formatters. You should be able to identify where the problem is.

I would not think the Barco controller board was responsible for colour issues, but since it's ok now, leave it and see what happens.

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 11-13-2013 09:22 PM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
The part I liked is that both Brad and Jason referred to me in their posts and THEY get the credit. In all honesty, it doesn't matter to me but I pictured Rodney Dangerfield's reaction when I read it. Glad you got it working...sorry to hear that it took days.

Ken...no in a GDC system, the serial number of the server and the IMB are the same. As such, GDC programs the IMB to match the server. Once that is done, the existing keys will work with the new IMB. This is definitely NOT the case for all server/IMB companies.

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Ken Lackner
Phenomenal Film Handler

Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001


 - posted 11-14-2013 08:15 AM      Profile for Ken Lackner   Email Ken Lackner   Send New Private Message       Edit/Delete Post 
I take it, then, that if the server fails and is replaced, the existing IMB is programmed to match the serial of the new server?

What if GDC does not have remote access? Is there a way for a qualified field tech to do it onsite?

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Jason Raftery
Film Handler

Posts: 72
From: San Diego, CA, USA
Registered: May 2011


 - posted 11-14-2013 10:03 AM      Profile for Jason Raftery   Email Jason Raftery   Send New Private Message       Edit/Delete Post 
If GDC wants to replace the IMB, they probably saw some dropped frames or a hardware error in the server logs. I've had a handful of the AR IMBs go bad and produce flashing or distorted colors like you described Barry. Sometimes they make the projector take an extra 3-4 minutes to boot up but others not. When you pull the old IMB, check which hardware revision is printed on the bottom corner of the board--G, H, J, K, etc. The earlier revisions were more prone to these issues.

Glad Steve's [Smile] advice on the CCB was correct. I asked about the software version on your projector as Barco had a known bug that could brick the CCB that was fixed in 1.10.118 and higher. If you are on an older version, I would recommend updating to 1.11.133 to avoid the problem.

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Barry Floyd
Phenomenal Film Handler

Posts: 1079
From: Lebanon, Tennessee, USA
Registered: Mar 2000


 - posted 11-14-2013 03:17 PM      Profile for Barry Floyd   Author's Homepage   Email Barry Floyd   Send New Private Message       Edit/Delete Post 
The replacement IMB was delivered this morning, but I'm kind of skeptical on pulling the old one out the day before we're supposed to go on-screen. I ran a complete double-feature set on Tuesday night and it performed flawlessly. If I see the issue rise up again this weekend, I'll swap it out on Monday.

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