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Nuvi spec ccd security Cameras

Jim Posted Feb 19, 2004

wireing a Nuvispec ccd camera

I have aquired 4 Nuvi security cameras. The cable connections on the rear of the camera are simular to s-video. I'm wondering if I can seperate the wires and connect the 12 volt power and the video signal seperatly? anyone have any idea???? Thanks Jim

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    yes have that system

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    La camara Nuv OS 001 es Pal o NTSC

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    Nuvi SPEC B/W CCD CAMERA. Looking at the back. 2 connectors on back, "monitor" on left and "aux" on right. There are 6 square holes in each connector. 2 on each side and 2 on bottom. The left "monitor", second pin down on right side is Video out. On bottom the right pin is +12 Volts. On the left side, second pin down is ground. On the "AUX connector, the second pin down on the right is ground. On the bottom, the right pin is +12 volts. +12 V power must go to both pins below. Power draw at 10V is 138 ma., at +12V is 152 ma, at +14V is 175 ma. Camera starts to fail below +10V. Havent tried to find the mic output yet. Still dissasembled on bench. Focus down to 18". Dont know resolution. You should put a 1/4A fuse in the power lead, just in CASE! Plug video into a VCR and onto a TV. Anyway this is what I have discovered to date. Bob

    Comment 1, Last comment by jim neal Nov 18, 2004

    My email of yesterday has an error. I wondered why they would have +12V going in on the Monitor connector, and +5V going in on the Aux connector. I traced the wiring and found my error. All the power goes in on the Monitor, +12V input as I stated yesterday. This is regulated to maintain a constant 12 volts to electronics. The 5V regulator gets its input internally from the +12V regulator. What I though was an input is actually a +5V output. Fortunately it did no damage to the camera. Everything can be done through the Monitor connector. I have found a mating connector that mated to a joy stick. I cut the cable and found that it had all the pins I needed to run through the Monitor connector. The Aux can be used to run the speaker inside the camera, but I dont need it. Also, on the "Monitor" connector, the top left pin is a hi level microphone output. On the "Aux" connector, the top right pin is the speaker input. There appears to be a surface mounted LM386 Power Amp chip, to drive speaker. Hope this helps. BobC

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