Forums :: Resources :: Features :: Photo Gallery :: Vintage Radio Shows :: Archives :: Books
Support This Site: Contributors :: Advertise


It is currently Sep Wed 19, 2018 8:10 am


All times are UTC [ DST ]





Post New Topic Post Reply  [ 5 posts ] 
Author Message
 Post subject: Mystery Cables
PostPosted: Mar Thu 08, 2018 7:42 pm 
Member

Joined: Nov Tue 23, 2010 6:49 pm
Posts: 311
Location: 53092
I was just given a box containing hundreds of two different types of 10' long cables. One type has circular 7 pin connectors and the other type has rectangular 8 pin connectors. No part numbers are evident.

Although these two types of cables could be used for just about anything, based on the box packing scheme, both types of cables were probably used for the same purpose.

Does anyone recognize these specific cables? If so, what is their use?

Regards,
Curly


Attachments:
Mystery Cables.jpg
Mystery Cables.jpg [ 73.49 KiB | Viewed 456 times ]
Round 7 Pin Connectors.jpg
Round 7 Pin Connectors.jpg [ 65.76 KiB | Viewed 456 times ]
Rectangular 8 Pin Connectors.jpg
Rectangular 8 Pin Connectors.jpg [ 91.85 KiB | Viewed 456 times ]
Top
 Profile  
 
 Post subject: Re: Mystery Cables
PostPosted: Mar Thu 08, 2018 8:04 pm 
Member

Joined: Sep Tue 30, 2014 6:08 am
Posts: 3028
Location: The Old Dominion VA 23518
JVC, Hitachi and Sony VTR-to-TV or Camera-to-VTR connection cables - of the U-matic era (pre-1981 or so....)

Probably Hirose-brand connectors...."HRS" in a diamond imprinted somewhere on the plastic parts....

If you wanna sell them, there are folks over on Videokarma that from time to time are looking for them.

Cheers,

_________________
Brian
"Capacitor Cosmetologist since 1979"
USN Retired 1984-2006 (Avionics/Cal)


Top
 Profile  
 
 Post subject: Re: Mystery Cables
PostPosted: Mar Thu 08, 2018 9:36 pm 
Member

Joined: Jun Fri 19, 2009 6:34 pm
Posts: 7883
Location: Long Island
The square ones are 8-pin EIAJ connectors, more commonly known as "monitor" cables. They carry audio and video between a VTR and a monitor. They were used by a number of Japanese AV equipment manufacturers in the 1970s and '80s as they eliminated the need for separate audio and video cables--and the chances that they'd get mixed up. Two composite video and two analog audio circuits (each having a separate shield or ground connection) are included since early VTRs didn't have tuners and the tuner in the TV/monitor was used for off-air recording.

The round ones are seven-pin Sony dub cables which were used with U-Matic 3/4" VTRs. They convey the luminance and un-demodulated FM chrominance channels which (in theory) made for better quality machine-to-machine dubs than if the composite outputs were linked together.

Both interfaces were still supported on the last versions of U-matic decks Sony made (the BVU-900/950 broadcast models and VO-9000 series professional models) which were available until the late-1990s.

_________________
"Hell, there are no rules here--we're trying to accomplish something!"

Thomas A. Edison


Top
 Profile  
 
 Post subject: Re: Mystery Cables
PostPosted: Mar Fri 09, 2018 7:24 pm 
Member

Joined: Nov Tue 23, 2010 6:49 pm
Posts: 311
Location: 53092
Thank you Brian and Chris!

Regards,
Curly


Top
 Profile  
 
 Post subject: Re: Mystery Cables
PostPosted: Mar Sat 10, 2018 10:56 am 
Member
User avatar

Joined: Mar Sun 20, 2011 2:53 pm
Posts: 759
Location: Spain - 28110 - Algete
can be some extension cables for some unit.
Perhaps I´ve one similar for Yaesu Transceiver extension box E72-L.


Attachments:
E-72L cable.jpg
E-72L cable.jpg [ 73.81 KiB | Viewed 247 times ]
Top
 Profile  
 
Post New Topic Post Reply  [ 5 posts ] 

All times are UTC [ DST ]


Who is online

Users browsing this forum: No registered users and 9 guests



Search for:
Jump to:  
























Privacy Policy :: Powered by phpBB