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genlock camera |
daverj
Vintage Video Wiggler
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 Posted: Wed Apr 11, 2012 10:40 am Post subject: |
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| deAnimator wrote: | semi related question. not wanting to derail thread,
but i just got a new 12pin connector for sony dxc camera (DC IN / VBS out)
connector is of the type HR10.
uhm, i'm really not sure how to disassemble this thing for soldering : /
i'm assuming you poke the middle thing out the front, from the back of the connector shell to access the terminals... but it sits in the so solidly, i don't want to force it....
anyone worked with these things before?
part number is
HR10-10P-12S(73) |
The body screws on. Those have two parts that are threaded. The back cable clamp part and the main body. The cable clamp threads onto the main body and the main body threads onto the plug.
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daverj
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| Posted: Wed Apr 11, 2012 10:56 am Post subject: |
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Here's one that I have that uses the same plug insert but a different shell style. This one is the HR10A-10P-12S
ON a new connector the threaded insert should be so loose that you can grab it with your fingernails (like I did here) and thread it out. Or use thin needle nose pliers.
On a used one that was assembled already the insert will have been torqued down and need more strength to unscrew it. Plugging it into a mating connector might give you the grip needed to turn it. Plus if it's assembled on a cable, you first have to loosen the back cable clamp part so the cable doesn't rotate when you rotate the connector.
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wcfields
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| Posted: Wed Apr 11, 2012 2:42 pm Post subject: |
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| daverj wrote: | | Words about 12 Pins |
Do you know of a cheap way to get one of these cables (or even sockets)? It seems even the cheapest I can find is around $40 on eBay.
What about the 4 Pin DC DIN Cables? I'm not exactly sure what to search when trying to find that kind.
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lizlarsen
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| Posted: Wed Apr 11, 2012 2:54 pm Post subject: |
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You can look thru the Mouser catalog's correct section, page-by-page, looking at pictures of the connectors until you find what you need. Sometimes that's what it takes, connectors can be hard to search for. They should have 4-Pin DC connectors.
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daverj
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wcfields
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| Posted: Wed Apr 11, 2012 7:06 pm Post subject: |
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| daverj wrote: | | Plugs and Cables |
Hot damn, thanks Dave!
I knew there had to be a catch on those Sony HAD cameras. For how much the cables cost I think I'd rather directly solder onto the PCB to wire up a barrel DC plug.
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Arturo00
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| Posted: Thu Apr 12, 2012 3:28 pm Post subject: |
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I'm back with another question...or two.
If the camera I get doesn't have Genlock, and I want to feed the signal into a video mixer with, say a DVD player on the other channel, and then out from the mixer to the LZX system, will there be issues? If so, what will happen.
Or, what if the camera does have Genlock. Does the DVD player also have to have some sort of syncing mechanism as well, or is it built into the Composite signal?
Sorry for the seemingly rudimentary questions. Despite working in AV I actually know very little about the Video side of things...or at least, the nitty gritty.
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lizlarsen
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| Posted: Thu Apr 12, 2012 3:35 pm Post subject: |
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| Quote: | | If the camera I get doesn't have Genlock, and I want to feed the signal into a video mixer with, say a DVD player on the other channel, and then out from the mixer to the LZX system, will there be issues? If so, what will happen. |
No issues. Any of these mixers have time-base correctors on the inputs. The LZX will see a single video signal.
| Quote: | | Or, what if the camera does have Genlock. Does the DVD player also have to have some sort of syncing mechanism as well, or is it built into the Composite signal? |
Most devices that have genlock inputs also have their own internal sync generators, which means they don't NEED a genlock signal in order to operate. I'd say this is the case in every genlock device or camera I've ever used.
Here's the basic summary:
(1) Every composite video signal has sync signals embedded into it.
(2) Genlock is a feature which allows a specific video device's sync signals to lock to the timing of another video device's sync signals.
(3) Timebase correction is the process of sampling a video signal, then playing it back in a different timing (this is what happens to the two inputs on your typical video mixer.)
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deAnimator
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| Posted: Sat Apr 21, 2012 5:34 am Post subject: |
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| daverj wrote: | Here's one that I have that uses the same plug insert but a different shell style. This one is the HR10A-10P-12S
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ah ha!
so simple.
thanks super much Dave.
seriously i'd probably have resorted to a hammer. |
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xart
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deAnimator
Learning to Wiggle
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| Posted: Thu Apr 26, 2012 6:04 pm Post subject: |
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some kind of weird c-mount adaptors on those!?!? |
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daverj
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| Posted: Thu Apr 26, 2012 6:30 pm Post subject: |
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They take either C or CS mount lenses. The big ring is a back focus adjustment ring. It basically moves the lens a little closer or further away from the sensor. By doing that you can change the focus point for the lens and adjust whether or not a zoom lens tracks focus as you zoom.
Some old vidicon cameras had a screw in the back that moved the vidicon to adjust back focus. With these it's easier to move the lens.
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