Це відео не доступне.
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The unobtainable connector for U-matic dub cables. Hirose plugs and sockets.
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- Опубліковано 17 сер 2024
- Professional U-matic video equipment gives vastly better performance when connected to a Digital Timebase Corrector with the proper Dub cables. But here in the UK, it seems to be impossible to buy either the cables or even the Hirose RM12BPE-7S(71) type socket connectors to make them up. The RM12BPE-7PH(71) plug however is still obtainable, and the chassis mount sockets are just about obtainable, or could be scrapped from old machines. So could we make the required super-rare connector by swapping parts over with what we can still obtain? It wouldn't be easy.
I am absolutely not offering to make these up, but you could get some good pointers on how to do it yourself. More information has come to light about pins 3 and 4. They could potentially carry and R-Y signal and the ground side is Pin 4.
Here's where we finish the cable build: • Make a U-matic Dub cable
Audio and video transfers: www.video99.co...
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Music “Let It Run” with permission, copyright Cristie/MacFarlane.
Sorry I do not offer an audio or video equipment repair service.
00:00 Introduction
03:36 What do we have?
06:48 This may be possible
09:35 Try pressing out the socket
14:30 First success
15:19 Sacrificial plug
18:29 Press out plug
20:37 Press in socket
25:19 Result and a small oops
30:02 Wiring considerations
34:31 Conclusion
![Дон ДОН, Алаудинов и СБЕЖАВШИЕ из под Курска ахматовцы 😁 [Пародия]](http://i.ytimg.com/vi/dEfCf5IK26Q/mqdefault.jpg)
Hi Colin, it's Colin. I'm not sure if you've run across this, but looking through Hirose's datasheets it looks like the original part RM12BPE-7S(71) has been superseded twice, with the current model being RM12BPE-7S(81). Supposedly this newest model is pin-compatible with the original. It doesn't look like many electronics suppliers keep that new part in stock, but both Mouser and Digi-Key say they can order them. Maybe that could be an option if you need to acquire more?
This !
Yes, digikey can get them, minimum order 20, 16 week lead time.
See Keystrobe for their Dub-Optimiser. Converts Umatic Dub & Video out to YC, I use one with great results. Keystrobe located in UK
I have just come across your channel, and i have to say, you are a very knowledgeable man indeed. I used to do repairs on all sorts of video recorder way back in the 8os and 90s....but i am an fellow now and don't do it any more. I love your vids especially on the old Phillips Video 2000 machines. I also watched your piece on "non payers" ... i really felt for you as, you are a decent man trying to do a decent job for a decent charge. Keep up your good work, don't give "difficult people" a second thought...just carry on regardless. life is far to short.
On the Chroma Dub connection, the colorunder carrier is the same as on the tape. 685KHz (Lowband and Highband) or 924KHz (SP). The colorunder carrier is only mixed up to 4.43 MHz for the CVBS connection.
I remember even when they were current, dub cables were guarded by the editors and ops... as in "take my dub cables out of the suite and i will find you and cut you" lol.
I kept mine under lock and key. 😅
Like "aviation" connectors, not all Hirose connectors are the same. I used to use U-Matic machines at work years ago, so I know from experience that the Hirose connectors that Sony used are completely different from the ones that I recently had to track down for a Hitachi CCU-RCU cable. The Hitachi ones were smaller, had only 4 conductors and the connector had a pull-to-release latch, not unlike those on some old Nagra tape recorders. I'm glad it's not my problem! But I can say that using the dub output was the best for feeding a TBC back in the day.
Sadly a lot of connectors are referred to with proprietary "slang" names that often had nothing to do with what was on the parts sheet. Back in the day, the familiar XLR connector was known as a "Cannon plug" in my area, because ITT Cannon was the original manufacturer.
I think both cabled connectors are still available old stock, but they can be in the $25-$40 range each. The numbers in parentheses at the end of the part number have something to do with a date code or lot code, but that number doesn't matter for function as far as I know (at least according to the spec sheets). I thought about making these cables and putting them out there for sale, but startup costs wouldn't make it worth it. A better idea would probably be to take a different connector with identical pin diameters to scavenge those from and then 3D print the housings to hold the pins and sockets for both sides.
These connectors are also used on some professional VHS VCRs made by JVC. I think they use frequencies that are different from the ones used for the DUB interface. I have a JVC KM-F250 time base corrector, these connectors are the only way to get Y/C signals in and out of it. There is a switch to select different frequencies, so it should do all the different Y/C standards I assume.
Yes I used to have such a machine. They could switch between DUB and S-Video using the same connector. I had some DUB to S-Video adaptor cables with it, though of course they couldn't change the signal type, just the connector.
The crazy thing is, the BVU series (and BVW beta SP) were supplied with dub cables (VDC-5 for u-matic), as well as a whole raft of other accessories such as maintenance manuals, extender boards and even a 9 pin remote cable. When I worked at a major broadcaster, we had tubs full of these, only to be thrown out years later. They still turn up now and then though…
I think the BetacamSP Dub connector is different, more pins?
@@video99couk Yes it's different.
I had already checked whether it would be possible to convert from U-matic SP to YUV (with or without internal Betacam SP TBC) using a Dub Connector for Betacam SP recorders, but I rejected this idea because of the number (more) of pins.
Yeh, 12 pin, component I/O plus CTDM, which is the ‘compressed’ chroma signal. The beta dub cables were seldom used by major broadcast but on a small standalone machine to machine edit setup, they were ideal.
Very clever! Now only a dozen or more to make up. Good luck mate.
You had that Special Delivery face hahaha
To figure out which pin is shield and signal, try connecting the pair to a signal generator and pick up the emissions from the cable with an oscilloscope or radio. Swap the pins around and compare which emitted more.
That would work! However (see notes on video) it's now been found out that 3 is signal, 4 is ground, but the extra conductor was for a R-Y signal which was never implemented.
@@video99couk That would have been my guess since the other two pairs both had the screen on the higher number (2 and 6).
Live those adat decks. Tascam da88 i still use everyday the akesis are nice though
Some high quality VGA cable might be perfect for this job. It has three 75 ohm coaxes, a fourth screened cable originally for Hsync, and a bunch of non-screened wires, all this in a common outer shield.
Good idea, I could use some of that if I can find some.
@@video99couk I always get my 75 ohm coaxes for S-Video cables from stripped-down VGA cables. But I really need old VGA cables for this. The newer, thinner ones while still technically use separate coaxes, the individual coaxes doesn't have any plastic sleeves around them, just the bare shield, which is often just a thicker, plastic-backed aluminium foil, so they cannot be used separately.
But since you need it as a cable, even these newer VGA cables can be good for your purpose. They are usually not worse than the older ones, actually I use one of these newer cables right now for my monitor to display a 1080p image, and it is perfect, no ghosting or any artifacts.
Just got a special delivery from DigiKey. 20 x hirose female and 20 x male connectors. They still have them and to normal prices.
Excellent news. They were not available a few months ago.
Hi, Colin. I used to have these cables back in the days and I am not sure if I still do have them. I will have take a look in my old stock. There also maybe a possibility that RS Components still stock these connectors. These cables can also probably be still obtained from japan auction sites. I can remember using this cable with my Sony VO7630 along time ago. I will try and find it. Excellent Video. Thanks Colin...
I have an original new inbox sony vdc 5a dubbing cable laying around. Im from Belgium, if you pay for shipping and customs its yours :)
Kind regards
Matthias
Shouldn't be expensive to ship and customs (despite Brexit!) won't be a problem as it's a gift. Please email me on colin@video99.co.uk and we can sort the details. Very kind of you.
@@video99coukI've sent you a mail
There was a Sony DUB distributor box out there, 1 in, as I do remember 6 or 8 outs, a very fancy thing. I don't know where I stored this toy ...
Strangely, the 4-pin variant of the HiRose connector is still available, and seems to be fairly widely used in CCTV installations. The 14-pin type used on early home video cameras is also discontinued.
excellent solution, I think my plan b if this hadn't worked would be to see if the 7 pin plugs on the kit could be swapped for an 'available' type of the right size :)
Great subject. Thanks for covering these connectors.
Next time please stabilize the microscope footage or l put the connector under a vise. The constant movement is very difficult to watch. Creates motion sickness trying to look at the connector while it’s constantly shifting about. (I’m watching from the couch on a TV.)
Also - for a future video idea with similar subject - please consider covering the Domesday Duplicator flux sampling for the Umatic deck (or the DDD cheaper competitor.). Would love to see someone make a board for the BVU-800 or BVU-950’that would be easy to install and capture the RF signal for a DDD.
Just use DIN or mini-DIN connectors. Or better yet 7 pin XLR. That is if you're comfortable modifying the chassis to fit them.
No, I wouldn't want to have modify all the sockets of all my equipment to be non-standard.
Thnx for a great video, again.
Look online for a 12mm 7-pin "aviation plug" (that's what they seem to be called) and you might find a compatible replacement.
I am not sure but aren't there some kind of DIN or DIN like connectors with this pin arrangement? They might not be able to be secured on the bnc-ike ring but the pins could fit?
Is the outer part neccessary for shielding?
Last way would be to modify DIN connectors to fit or 3d print the plastik part of the connector and press pins in
OR the connectors of the cb radios for microphones might also fit? how thick is a pin?
1:36 Okay, that was pretty clever, hahaha.
One thing came to my mind, are they similar in size to DIN connectors, perhaps a DIN could fit?
Nice work on the plugs.
The plug I'm after is really impossible to find. It's the same size and shape as a 5 pin din audio plug, but with 10 pins. LOL. It's for the remote control on a Philips reel to reel tape deck. Can't find one anywhere.
As always when googling, you get sites saying, 'Yes we supply them', then take you to some random supplier that does'nt even sell plugs. Ha ha.
There are connectors known as “10-pin DIN” connectors, but they’re non-standard as the standard only goes up to 9 pins (IIRC). These can be obtained from various eBay sellers.
@@timf-tinkering Yeah, I've looked at them. Unfortunately they are completely different from what I need. Cheers.
Hi. Some time ago i bought a used DVW-700 digital betacam camera. It has some very strange behaviour with threading motor. Can anyone please help me with this issue. I have basic knowledge in electronics and tools like oscilloscope etc. I tried referring service manual, but it didn't help.
Is it really that much better to use a dub cable for U-matic? I recently did a test transfer of a low-band tape recorded from a TV station in Baltimore (I think it was recorded around 1992?), and I simply just used the composite output going into a Sony DSR-PD150 DVCAM camcorder, and passed it though into my computer over Firewire. I then processed the video using VapourSynth/StaxRip and deinterlaced it and upscaled it to 1080p for UA-cam. Not to plug my channel but in my repair video of the Sony VO-7600 I put the transfer test at the end of the video and it looks great for a low band tape. The color quality on U-matic is already poor from the 688kHz color-under encoding so I don't think there's much to be gained using a dub cable. I believe the chroma quality is better with hi-band PAL so that might be better to use a dub cable.
The difference is very, very significant, especially with good quality first generation recordings.
My U-Matic 8800 I just purchased has a four pin input jack. Question about the power input. I have a 12v 5amp power supply. But my U-Matic player only needs 12v 3amp. Do I need to do anything, or is the power output of my power supply fine as it is?
The short answer is that it should be fine... I assume you mean the 4-Pin XLR socket on the side of the VTR. The machine will _demand_ a maximum of 3A from the power supply, which in turn has a maximum supply capacity of 5A. - The extra capacity in fact gives you some 'headroom'; a good thing. - Provided the output of your supply is nominally 12V and the correct polarity is observed ( Pin 4 + Pin 1 -) all should be well.
@Matt_Quinn-Personal_Account I will look at the pin cables on the player. If they are the same as a vo-6800. I should be fine on the polarity. Unless Sony changed the polarity of the cables on the vo-8800. A later, perhaps the last model of the U-Matic portable series. Compared to the vo-6800. Which came out 6 years prior.
@@The_Traveling_Clown The 4-Pin XLR power connector is an industry standard... not just confined to Sony; I don't think I've handled a professional camera (or portable VTR) in the past 45 years that _didn't_ connect to 12V via one! You'll find it on all sorts of things from monitors to lamps!
The only exception I can think of is some of the BetaMAX portables (which of course weren't professional machines) that used a 4-PIN DIN connector; wired the same way (+4, -1) as an XLR. Curiously, these came with a power supply very similar to that supplied with some U-matic portables... Lots of people cut the DIN plug off and fitted an XLR when they upgraded the machine, as it also charged the 'brick' batteries of the day.
Basically... if you're using the supply from a 6800 it should be fine. Do cross-check things for your own piece of mind, but it will be OK... Nominally 12V , pin 4 + pin 1 -
Where is the liquid Nitrogen when you need it😉
Pm me if you need a cable I managed to find a bunch of new stocks connectors both side. I think I can make a cable under 75gbp if more viewers needs this I can try hoar the batch and resell these in a reasonable price
Got a basement with atleast 6 you need me send em from the good old usa. I just about ready to toss all my umatic sp 3/4 inch vtra
Confirmed I have 4 and 2 of them are inside the instructions bag sealed and got the Sony logo on the cable. Old but new. I have lots of umatic sp units in studio storage we edited with them up till 1994 so I may have more there I'll let u know.
@@NEStalgia1985 Yes please! Could you email me on colin@video99.co.uk
@@video99couk I'm not at the office to get you the photos I will email you first thing in the morning don't worry it's exactly what you're looking for I guarantee it glad I could help talk to you shortly my friend
By the way I got an insane studio basement of relic vtrs and older model equipment from tbcs to hi8 edit decks. Basically a whole functional studios worth that got the shaft once we went digital. Even After we donated to like 10 colleges we still got more stuff than u can imagine. So make a list of what u need or looking for. Reel to reel as well. Trying to empty the basement to put in a server farm because we broadcast live from all our eng cameras using cellular now. Need the space ttys
hirose is pronounced hi-row-she... digikey used to sell them... maybe they are out of stock, or have stopped sourcing them
Couldn't you just ask hirose to send you a deconstructed one?
But it’s a discontinued connector. That’s why you can’t just buy them.
hi them ohone vid's i just don't like please keep it to the same format i know it may get more watch i just turn it of
I'm not quite sure what you are saying, but I didn't change anything about the format of this video. I'm bound to cover some subjects which are less or more interesting to different people each week. It's very important that I do different subjects in order to attract more subscribers over time.