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Author Topic: Red lines on the screen
Terry Lynn-Stevens
Phenomenal Film Handler

Posts: 1081
From: Toronto, Ontario, Canada
Registered: Dec 2012


 - posted 10-10-2014 02:22 AM      Profile for Terry Lynn-Stevens   Email Terry Lynn-Stevens   Send New Private Message       Edit/Delete Post 
Can anyone help out on this?

Red lines on the screen when projected. Sometime they will go green. Not all scenes will show it. The lines are vertical.

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Marco Giustini
Film God

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


 - posted 10-10-2014 06:40 AM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
a little more details would help. Projector brand/model?

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Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 10-10-2014 02:38 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
Bet the unit needs a convergence tuneup on the three color panels.

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Marcel Birgelen
Film God

Posts: 3357
From: Maastricht, Limburg, Netherlands
Registered: Feb 2012


 - posted 10-10-2014 03:04 PM      Profile for Marcel Birgelen   Email Marcel Birgelen   Send New Private Message       Edit/Delete Post 
Terry's info is way to vague to draw any conclusions. Convergence issues should not result in vertical lines, but is primarily visible as red/green/blue lines/shadows around sharp edges.

I'm wondering what will cause vertical lines though, since (uncompressed) image data is not "aligned" vertically, but horizontally. This feels more like some kind of scaler issue or maybe a defective media block.

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Terry Lynn-Stevens
Phenomenal Film Handler

Posts: 1081
From: Toronto, Ontario, Canada
Registered: Dec 2012


 - posted 10-10-2014 05:10 PM      Profile for Terry Lynn-Stevens   Email Terry Lynn-Stevens   Send New Private Message       Edit/Delete Post 
Not sure how to describe it, but it looks like it is sort of like a digital scratch. It looks like pixelated data about a third of the way into the right side of the screen. It always in the same place but is hard to see in the darker images.

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Justin Hamaker
Film God

Posts: 2253
From: Lakeport, CA USA
Registered: Jan 2004


 - posted 10-10-2014 07:24 PM      Profile for Justin Hamaker   Author's Homepage   Email Justin Hamaker   Send New Private Message       Edit/Delete Post 
It kind of sounds like some issues we had with the NEC NC2000C when they were on software version 3.2 (or so). As I remember the problem pretty much went away when we upgraded to 3.3.

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Sam D. Chavez
Film God

Posts: 2153
From: Martinez, CA USA
Registered: Aug 2003


 - posted 10-10-2014 08:38 PM      Profile for Sam D. Chavez   Author's Homepage     Send New Private Message       Edit/Delete Post 
This speculation is a complete waste of time unless Terry coughs up some real information.

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Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 10-10-2014 11:10 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
From what I can gather from Terry's definition, and where we had a NEC1200C do the red line similar thing, is that a chip went bad in the light engine and had to be replaced.

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Marco Giustini
Film God

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


 - posted 10-11-2014 12:01 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
I quote Sam.
Monte, I can't see why we should try hard, it should be Terry to come up with more details in the first place.

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Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 10-11-2014 03:55 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
True, the ball is in Terry's court to continue with detailed info, otherwise, we're wasting time throwing darts on the wall and not hitting the target.

Still sounds like a tech needs to be called in though.

thx -Monte

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 10-11-2014 05:04 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
I had an NC-2000 producing green vertical lines once. It was nothing more than an improperly torqued formatter board which also has integral contacts for the DMD chip. It wasn't quite making contact. projector would warm up about 10 minutes and the vertical lines would appear, then 20 minutes later they would disappear and this was like clockwork. I removed the formatter board from the green DMD and cleaned the gold contacts on the board with pure isopropal to be sure they were spotless and then re-assembled it and torqued properly with the correct tool. It's never had an issue since.... been about 3 years now.

Mark

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Terry Lynn-Stevens
Phenomenal Film Handler

Posts: 1081
From: Toronto, Ontario, Canada
Registered: Dec 2012


 - posted 11-24-2014 03:57 PM      Profile for Terry Lynn-Stevens   Email Terry Lynn-Stevens   Send New Private Message       Edit/Delete Post 
I just got word about this, so it appears that this is a fan and humidity issues. I don't have all this specific details at this time but it has been corrected.

The projector would be a 2009 Christie 2000 (not sure if there is prefix to the number)

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Sam D. Chavez
Film God

Posts: 2153
From: Martinez, CA USA
Registered: Aug 2003


 - posted 11-24-2014 07:05 PM      Profile for Sam D. Chavez   Author's Homepage     Send New Private Message       Edit/Delete Post 
We were all awaiting this news breathlessly. [Confused]

Why post this a month later with no new info? Boring and inane!

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 11-24-2014 07:11 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
A 2009 Christie 2000? He still hasn't said if its the two door or four door model!

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Jarod Reddig
Jedi Master Film Handler

Posts: 513
From: Hays, Ks
Registered: Jun 2011


 - posted 11-26-2014 01:26 PM      Profile for Jarod Reddig   Email Jarod Reddig   Send New Private Message       Edit/Delete Post 
Wow this whole thread was a giant waste of time.

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