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Old 30th April 2013, 07:34 PM   #1
Robcrx is offline Robcrx  Canada
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Default Need a 4 Pin Power cord for vintage TV

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Last edited by Robcrx; 2nd May 2013 at 05:00 AM.
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Old 2nd May 2013, 02:53 AM   #2
Pano is offline Pano  United States
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The Sony cord looks like the tab is on the wrong side. Maybe it could be trimmed or moved.
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Old 2nd May 2013, 02:57 AM   #3
Robcrx is offline Robcrx  Canada
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The tab is actually on the top of the plug. The pic just shows it on the side.

The tv schematic shows the top 2 pins are 120v AC and bottom pins are 12v DC.
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File Type: jpeg sears diagram 2.jpeg (80.1 KB, 35 views)
File Type: jpeg sears manual 1.jpeg (38.8 KB, 35 views)
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Old 2nd May 2013, 03:52 AM   #4
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Isn't the tab at the bottom of the plug, to mate with the jack?
I think Pano means that the tab doesn't align with the spacings of the 2 sets of pins.
See below.
The wider-spaced pins are nearest the tab on the jack, but the plug appears to have the wider-spaced pins opposite the tab.
BTW I don't think I've ever seen that type of ps connection... 12VDC on a 2-prong AC plug.
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File Type: jpg 33e51y9.jpg (21.3 KB, 30 views)
File Type: jpg 14267.jpg (55.6 KB, 30 views)
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Old 2nd May 2013, 03:56 AM   #5
Robcrx is offline Robcrx  Canada
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Theres a space/slot at the top as well. My Guess is it could fit either way.
Im probably just gonna find and use a 120v AC cord and use that and use some
heatshrink to cover the bottom pins.

What I dont understand is if I used a 4 pin cord like the Sony, how does it know which voltage to use ? (12v or 120v)

Last edited by Robcrx; 2nd May 2013 at 04:00 AM.
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Old 2nd May 2013, 04:08 AM   #6
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Then I'm seeing that cord correctly? If the four pins are side-by-side pairs like those shown in the diagram there shouldn't be a problem. That isn't anything ever used in the USA AFAIK so you may want to get input from someone familiar with that type of connector.
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Old 2nd May 2013, 04:14 AM   #7
Robcrx is offline Robcrx  Canada
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I'm thinking that the original sears cord it came with had 2 'blank' holes in the plug for the bottom 12v pins and the optional 12v cord had the 'blank' holes on the top.
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Old 2nd May 2013, 05:25 AM   #8
Enzo is offline Enzo  United States
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My little Sears TV that was stolen used that plug. I made up a cord to run the set on 12v, so I could take it in my car and listen to football games driving around.

The 120v AC cord only had the two pins live that connected to the mains. Your 12v supply had the same connector but wired the other way. Just as Robcrx thought.
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Old 2nd May 2013, 05:28 AM   #9
Robcrx is offline Robcrx  Canada
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Quote:
Originally Posted by Enzo View Post
My little Sears TV that was stolen used that plug. I made up a cord to run the set on 12v, so I could take it in my car and listen to football games driving around.

The 120v AC cord only had the two pins live that connected to the mains. Your 12v supply had the same connector but wired the other way. Just as Robcrx thought.
Thanks. yes I found the correct cord.
The AC goes to the narrow set of pins, the wide set must be for DC and are empty on this AC only cord.

It's made by Kawasaki! and the part number is KS-23
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File Type: jpg cord2.jpg (30.2 KB, 4 views)
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Old 2nd May 2013, 01:08 PM   #10
Pano is offline Pano  United States
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Made by Kawasaki? It' gotta be fast, then!
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