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Author Topic: Christie 2220 - Memory reset
Lucas Iaccarino
Film Handler

Posts: 37
From: capital federal, buenos aires, argentina
Registered: Feb 2015


 - posted 04-17-2017 12:44 PM      Profile for Lucas Iaccarino   Email Lucas Iaccarino   Send New Private Message       Edit/Delete Post 
Hello
I´m having issues with 3 Christie projectors. We determine the lens position, zoom and focus but the Macros lost some coordenates after each change. I read that maybe is the ICP or something like that.
Do you think it is possible fix it with a Hard reset?
Thanks

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Ioannis Syrogiannis
Expert Film Handler

Posts: 147
From: Reykjavík, Iceland
Registered: Jun 2005


 - posted 04-17-2017 01:20 PM      Profile for Ioannis Syrogiannis   Email Ioannis Syrogiannis   Send New Private Message       Edit/Delete Post 
You have the same problem with three different Christie projectors?
Where there any counter-measures taken?
What were those?

The problem could be caused by a number of reasons, including mechanical ones.
It might also be fixed with as little as a lens position reset before the setting, or moving the lens to the opposite direction just a little bit, before setting to the correct position.
(Unfortunately, only one DCinema projector company provides step motor lenses that provide their actual -not relevant- position.)

Your suggestion of erasing all is rather extreme. Could you share more info?

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Dave Macaulay
Film God

Posts: 2321
From: Toronto, Canada
Registered: Apr 2001


 - posted 04-17-2017 03:36 PM      Profile for Dave Macaulay   Email Dave Macaulay   Send New Private Message       Edit/Delete Post 
The lens files are not in the ICP, these are saved in either the PIB or the TPC. I don't know how to delete lens files from a Christie though.

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Steve Guttag
We forgot the crackers Gromit!!!

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


 - posted 04-17-2017 03:40 PM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
Deleting the files are done in the TPC. I believe it is in the Service menu (I'd have to check...under file management).

With drifting lens settings I'd check to make sure nothing is slipping. Those motors move very fast and can put a bit of torque on things so make sure the set screws are tight and, probably put some blue loctite on them to keep the screws from walking out. Make sure that zoom ring is secure (and not broken). Also, make sure you initialize the system.

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99


 - posted 04-18-2017 07:28 AM      Profile for Gordon McLeod   Email Gordon McLeod   Send New Private Message       Edit/Delete Post 
Have you done a lens home test

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Stephan Shelley
Jedi Master Film Handler

Posts: 854
From: castro valley, CA, usa
Registered: Nov 2014


 - posted 04-19-2017 05:50 PM      Profile for Stephan Shelley   Email Stephan Shelley   Send New Private Message       Edit/Delete Post 
removed

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