Surveilance camera repair

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Greetings,
I have recently picked up two surveillance camera supposedly made by Merit. The model is MGS-800. I did not have its video converter but I was wondering if it will match with the A/V input of my tv set.
The main problem here is the 5 wires that goes into the camera. I can identify only two and that's the power lines of course.
Can anybody provide me with the schematics of this model? Much obliged.
Ete_12/25/06