This is topic Kinoton FP20 LED Bracket in forum Film Handlers' Forum at Film-Tech Forum ARCHIVE.


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Posted by Steve McAndrew (Member # 8865) on 09-20-2016, 02:04 PM:
 
Hi
I need a Kinoton FP20 LED bracket (with LEDs) for the Kinoton Digital Reader. Can anyone help out?

Thanks

Steve
 

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Posted by Mark Gulbrandsen (Member # 72) on 09-20-2016, 09:15 PM:
 
Your LED's just bad or is it missing?
 

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Posted by Sam D. Chavez (Member # 1841) on 09-20-2016, 11:01 PM:
 
You should post a closeup pic if possible so we can see which version soundhead etc.
 

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Posted by Steve McAndrew (Member # 8865) on 09-21-2016, 03:38 AM:
 
Hi

Thanks for the replies.

The bracket is missing. Here is a photo.



Thanks
Steve
 

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Posted by Steve Guttag (Member # 268) on 09-21-2016, 07:17 AM:
 
He wants a 1000 212 970010



Have you tried contacting Kinoton Digital Solutoins? They probably have them in stock. Otherwise, you are stuck trying to find one that is somehow on a machine that was neither thrown away and also not wanted (because without that part, the rest of the projector will be probably worthless except as a parts machine).
 

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Posted by Fabian Schreyer (Member # 5120) on 09-21-2016, 07:29 AM:
 
For sure ordering from them won't be cheap. The LEDs alone are a few hundred bucks.
 

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Posted by Steve Guttag (Member # 268) on 09-21-2016, 08:39 AM:
 
I've never known Kinoton to sell the LEDs raw...just in the bracket. It would be worth asking them though.
 

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Posted by Leo Enticknap (Member # 534) on 09-21-2016, 11:25 AM:
 
Boston Light and Sound sell the LEDs raw - I bought a set in June. If I remember correctly, they were around $200 per LED. I remember thinking at the time that unless you absolutely need the capability to play cyan tracks, a conventional exciter lamp head plus a cat700 for Dolby digital probably makes more sense, because the bulbs only cost around $15 each and are much easier to swap out.

Learning that (a) the LEDs in red readers don't last forever, (b) replacements cost three figures, and (c) swapping the LEDs is something that most theaters would need a service tech call to do, reinforced my believe that the push to cyan tracks in the early '00s had very little to do with saving the planet from gnarly chemicals, as cyan cheerleaders claimed, and an awful lot to do with reducing distributors' costs (because they reduced the per foot cost of release printing) at the expense of exhibitors.
 

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Posted by Steve McAndrew (Member # 8865) on 09-21-2016, 12:06 PM:
 
Thanks for all the information.

As someone that doesn't mind experimenting and with some electronics knowledge, what is actually required from the LEDs in sound heads? If it were possible to make an adjustable unit, with a red LED with a narrow horizontal aperture, would that theoretically work?

As a collector with working machines, I don't really want to spend hundreds of pounds on this machine but don't mind giving it some time to try alternatives.

Any thoughts?

Thanks again.

Steve
 

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Posted by Sam D. Chavez (Member # 1841) on 09-21-2016, 12:22 PM:
 
Experimenting with different light sources has been covered over the years on this site. Since you already have a slit on the solar cell in reverse scan readers the light is already masked. The idea of the "Dolby" LEDs was they are multiple LEDs or array in one package, 2 x 12 as I recall. This ensures even illumination across the soundtrack which is one of the reasons the soundtracks sound so good compared to front scan systems which tend to hot spot in the middle of the tracks, i.e., the quiet parts, while the outer parts of the soundtrack are rather dim on the loud parts so the dynamic range of the soundtrack gets effectively compressed.

The LEDs can be had for less, check around.

I can't see the picture of your reader very clearly but it appears you are missing the entire bracket that holds the Led so you have a few issues to deal with aside from the price of LEDs.
 

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Posted by Fabian Schreyer (Member # 5120) on 09-21-2016, 12:37 PM:
 
I still have a bracket from a Kinoton soundhead that was damaged during shipping (the soundhead, not the bracket). The LEDs on it are worn, but they still light up and produce some output. If you want to, you can have this thing.
 

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Posted by Geoff Newitt (Member # 6663) on 09-21-2016, 04:36 PM:
 
In the UK, Omnex Profilm up in Stockport have raw LED arrays, for more-or-less the 'old' price (rather less than suggested above); I bought half a dozen earlier in the summer.
 

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Posted by Mark Gulbrandsen (Member # 72) on 09-21-2016, 06:34 PM:
 
The trick to long life out of them is to shut them off when the projector is at idle....

Life could be as long as ten years even if used daily.
 

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Posted by Magnus Eriksson (Member # 6085) on 09-22-2016, 01:28 AM:
 
...or connect the LED power supply on the motor relay.
/M.E.
 

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Posted by Steve McAndrew (Member # 8865) on 09-22-2016, 01:37 AM:
 
Hi Fabian

I have sent you a private message

Thanks

Steve
 

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Posted by Fabian Schreyer (Member # 5120) on 09-24-2016, 04:34 PM:
 

quote: Mark Gulbrandsen

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The trick to long life out of them is to shut them off when the projector is at idle....

Life could be as long as ten years even if used daily.

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