Date   : Tue, 23 Oct 2007 23:52:25 +0100
From   : pete@... (Pete Turnbull)
Subject: UM1233 TV modulators...

On 23/10/2007 23:22, Jules Richardson wrote:
> Anyone know which input on the UM1233 is composite in and which is +5V?
> The junk one I have here looks as follows:
> 
>           out
>           __
>        +-|  |-----------+
>        |                |
> in1 __|    top view    |
>        |                |
> in2 __|              O |
>        +----------------+
> 
> Case shell is ground, obviously. I believe some variants have a third input 
> down the left edge and one of the inputs is then ground; this one only has two 
> however.

The one that passes through a ceramic feed-through capacitor, in2, is 
the +5, and the other which just has a plastic insulator round, in1, is 
the video signal.

-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York