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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Christie Preamp board and Basement Headaches (Page 2)

 
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Author Topic: Christie Preamp board and Basement Headaches
Tim Reed
Better Projection Pays

Posts: 5246
From: Northampton, PA
Registered: Sep 1999


 - posted 12-18-2007 12:11 PM      Profile for Tim Reed   Author's Homepage     Send New Private Message       Edit/Delete Post 
Heya, Mark! If all I had to do was replace the cell, I'd have no problem. But I'm not 100% sure that's the trouble. I'd have to solder onto the new board, too, which is somewhat tighter and brings SMDs really close to my iron.

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 12-18-2007 06:54 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
Using 22 ga wire like 8451 Belden it shouldn't be very difficult. A short piece of Mogami wold also be a good choice because it's super flexible. I can guarantee you that that cell was soldered onto that board by hand... it couldn't travel through the wave solderer like that without being destroyed. You should replace both the board and the cell at the same time... they are relatively inexpensive parts... why rack up extra hours trying to figure out which is bad... that costs the customer more in the long run. That particuluar scanner mechanical assembly is the best one Kelmar made so why not fix it.

Almost all Techs have to learn to improvise at times and make do with whats available... it happens alot with stuff from Christie, Strong, Neumade, Big Sky, and all the other manufacturers out there... especially with Ballantyne parts lately. When manufacturers run out of a part for a certain era unit and they haven't sold one in a year they typically drop the part from inventory and do not make any more of them. So welcome to the club!

A Kelmar or C.E. Christie analog replacement scanner should also fit in there if you do decide to replace it. There probably isn't room for the BACP next to the digital scanner but then again ya never know. Never tried that one but Sam might know.


Mark

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 12-19-2007 03:39 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
Tim,

The guys at Christie noticed this thread yesterday and wanted to contact you... but since there was no contact info for you they called me to get it noted in this thread. The correct part number you need for the job is "194909-001 Cell and board assembly". If you have any further questions regarding this part or the correct repair procedures please contact Jim Graton at Christie Technical Suppport at 714-503-3381.

Mark

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Tim Reed
Better Projection Pays

Posts: 5246
From: Northampton, PA
Registered: Sep 1999


 - posted 12-19-2007 06:12 PM      Profile for Tim Reed   Author's Homepage     Send New Private Message       Edit/Delete Post 
Thanks, Mark. Yes, I got a very nice reply phone call today from Jim Graton, complete with the correct part number. They call it: preamp and solar cell w/gray cable

THANKS AGAIN, EVERYONE!

Now, I can get that other board returned for credit. Glad I didn't go soldering on it before finding out! [thumbsup]

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Monte L Fullmer
Film God

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


 - posted 12-19-2007 11:18 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
Jimmy's real good with Christie - helped a lot with questions and support when I was with EDW's in my maintaining Christie units.

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