Film-Tech Forum ARCHIVE: LED replacement for AW3 platter work lights

This is topic LED replacement for AW3 platter work lights in forum Film Handlers' Forum at Film-Tech Forum ARCHIVE.

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Posted by Justin Hamaker (Member # 2165) on 05-11-2008, 02:09 AM:

Has anyone found an LED replacement for the work lights on the AW3 platters. I've tried several different types and either they aren't bright enough or they don't last long.

Posted by Mark Gulbrandsen (Member # 72) on 05-11-2008, 08:03 AM:

We have not found a satisfactory replacememnt either and I continue to reccomend the small under counter florescent lamps. Just cable tie them to the underside of the arm. You'll have long life and they are shock proof... watch for them on sale or ask the store manager for a deal on a case lot if you have a large multiplex to tend to. I also replace the incandescent lamp in the AW-3 MUT with a screw in type florescent. This necessitates replacing the socket but this is quite easy and all the stuff you need to do it is over at Lowes. Costs less then 10 bucks.

Mark

Posted by Michael Moore (Member # 3867) on 05-11-2008, 10:46 AM:

Ok I used these parts from Radio Shack:

LED Holder

White LED

You will need some resistors too, and a power supply

The way I did it (and you will see in the next few pictures) was a little rigged, but I plan to redo the wires and power supply in the near future.

As you can see the LED is small but it is bright.

See the white wires going down the side, in the future I plan to tuck these inside the main body tube.

This is how bright it gets with the lights out; however I have to say that it could stand to be brighter, but it is all I have at this time. Also the angle of this LED's illumination is just about 30 degrees, what I really need is a 50 degree or maybe a 60 or 70 degree that way the light can spread more. Also the holder is only for a 40 degree I think. So I plan to go with two more LED’s at twice the output as the LED I have now with broader light spread. LEDs are easy to work with and last many many years.

[ 05-11-2008, 06:56 PM: Message edited by: Michael Moore ]

Posted by Joe Elliott (Member # 4006) on 05-27-2008, 03:42 PM:

Ok, found this article:

http://news.thomasnet.com/fullstory/501005

Which led me to this website:

http://www.ledtronics.com/

They have just about every type of led replacement bulb. I like the candelabra base lights. Should make a good replacement for a framing light, if it can withstand the heat.

Platter lights look like they could be replaced with these, but look at the bottom of the page about STL630's:

http://www.ledtronics.com/ds/STL627/#stl627

It does show that they are rated for 24V, and the 757's that are in our platters are 28V, but I believe that is just the rating, and not what that socket puts out. Not at work right now, but I was thinking it was only 12V. Anyone know right off hand?

Posted by Mike Blakesley (Member # 26) on 05-27-2008, 06:45 PM:

Mark's suggestion is good, but an even cheaper way ("FREE") is to use the flourescent lights from lighted standees. These give a hundred times better light than the original platter lights or a single LED would.

Posted by Justin Hamaker (Member # 2165) on 05-27-2008, 07:36 PM:

Mike, we're probably going to take your suggestion and mount the light on the wall where it will light up the middle and bottom deck of the platter. I would prefer direct over-head light, but I think these other lights are an easier solution.

Until I started looking for these LED replacements, I had no idea how many different types of bulbs there were with the BA9S configuration. I've tried about a dozen different bulbs to replace the #51 framing light on our Simplex projector and the best I could get is a slight glow from the filament.