Film-Tech Forum ARCHIVE: power supply w/ no model number

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Posted by Jim Henk (Member # 3628) on 12-19-2012, 09:35 PM:

Howdy.

I've got an LED power supply with just the title "Kelmar Digital/Analog Power Supply". Black metal case, no model number anywhere on it.

Can anyone identify, and is there possibly a manual for this?

BTW: pinouts on the back: (9 pins)
Digital: LED Test + and -, (pins 1 and 2) LED + and - (pins 3 and 4)
Analog: LED Test + and -, (pins 1 and 2) LED + and - (pins 3 and 4), Pre-amp + and -, (pins 5 & 6) and 2 Remote outs jumpered together (pins 8 and 9)

What is LED Test?
Why would an LED Power Supply have pre-amp connections?

Curious minds would like to know...

Posted by Gordon McLeod (Member # 33) on 12-19-2012, 09:49 PM:

LED test is to allow a ampre meter to measure LED current
The LED supply provides the power to the preamp on the reverse reader

Posted by Jonathan Wood (Member # 4614) on 12-19-2012, 11:01 PM:

Sounds like the one I have with my century projector. Has a removeable 19inch face plate to allow it to be rack mounted?

Posted by Jim Henk (Member # 3628) on 12-21-2012, 01:57 AM:

Maybe, but I don't have the rack mount size plate. My unit is around 6"x9"x3" with small mounting wings that extend about 1/2" on two sides.

Thanks Gordon for the info!

Posted by Jonathan Wood (Member # 4614) on 12-21-2012, 12:39 PM:

Yep, it's the same one. Like Gordon said it provides power to the LED / pre - amp. Never come accross a manual for it tho?

Posted by Jim Henk (Member # 3628) on 12-22-2012, 05:12 PM:

Uh uh. Pretty straightforward though. Manual probably says "Plug in. Use only under adult supervision." (leaves me out...)

Posted by Tony Bandiera Jr (Member # 2365) on 12-29-2012, 11:26 PM:

I have the rack mount plate for that power supply Jim...remind me to give it to you next time we meet up. [Smile]