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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Aftermarket LED replacment part #'s Does any one know any?? (Page 5)

 
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Author Topic: Aftermarket LED replacment part #'s Does any one know any??
John Hawkinson
Film God

Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002


 - posted 11-24-2008 10:06 AM      Profile for John Hawkinson   Email John Hawkinson   Send New Private Message       Edit/Delete Post 
When you guys switch the LEDs, do you switch the DC to the LED, or do you switch the 120VAC to the supply? Solid-state or mechanical?
Do you also switch DTS LEDs?

--jhawk

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Tristan Lane
Master Film Handler

Posts: 444
From: Nampa, Idaho
Registered: Feb 2002


 - posted 11-24-2008 11:17 AM      Profile for Tristan Lane   Email Tristan Lane   Send New Private Message       Edit/Delete Post 
In almost all cases, I would use the motor circuit to feed the LED power supply.

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Steve Guttag
We forgot the crackers Gromit!!!

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


 - posted 11-24-2008 01:36 PM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
For Component Engineering units, most are switched via AC...it is just too easy to wire the IEC cord to the motor circuit. For SOME 40-series CE units, we use the provided terminals on the supply to switch the LED as it has a "soft-start" circuit.

For Kinoton, we use the internally provided terminals for turning the LEDs on/off.

Steve

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Todd Shelskt
Film Handler

Posts: 26
From: Manchester, CT
Registered: Feb 2008


 - posted 11-28-2008 05:50 PM      Profile for Todd Shelskt   Email Todd Shelskt   Send New Private Message       Edit/Delete Post 
Hey, everybody, thanks for all of your responses! Our theater may be hiring an independent technician one of these days. Maybe I'll end up looking over his shoulder as he changes the LEDs.

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