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Those vintage cameras had a lot of tricks built in. The one I am thinking of is "fade in/fade out". Yours could be stuck in "fade out" which would close the iris and age may have the lens stuck closed.
There is not a lot of signaling in the connector. 12v, video out, video in from a VTR for playback and the audio channels. Nothing discrete after that. Simple analog.
You did not say what you are using for 12v. It may not have enough amps for proper operation. That is a tube and it needs power and the lens is looking for some also for the motors. Look for vintage portable VCR/tuners that it would direct connect to. The tuner has the amps delivered to the VCR and to the camera (and forget using the VCR batteries...they are all dead and gone) or camera power supplies of the vintage with the connector and outputs on the side for connecting to a standard VCR.
Even my RCA tube camera with the Indextron VF did not work properly on a RCA CC-002 camera power supply. It needed a VCR to operate.
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“Once you eliminate the impossible...whatever remains, no matter how improbable, must be the truth." Sherlock Holmes.
Last edited by Dave A; 03-24-2014 at 06:30 PM.
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