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2600 Jr. Composite Mod with 3.5mm Jack?


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#1 sixersfan105 OFFLINE  

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Posted Fri Jul 13, 2018 2:58 PM

Hey guys, so I came across an Atari 2600 Junior console available for purchase that has been A/V modded but the output jack is a 3.5mm jack that works with a 3.5mm to male composite cable. I've never come across this on an Atari (or any other video game) console before. Has anyone seen this or done this mod? Should I be wary of this mod for any reason? Will the picture quality be worse than straight composite to composite cables? I look forward to your replies. Thanks!

#2 Osgeld ONLINE  

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Posted Fri Jul 13, 2018 3:03 PM

I have done a few they are usually fine make sure it comes with a cable that works cause the order of the connector varies per cable

Ie video might be connected to the tip on one cable and one of the rings on another

Edited by Osgeld, Fri Jul 13, 2018 3:04 PM.


#3 sixersfan105 OFFLINE  

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Posted Fri Jul 13, 2018 3:06 PM

I have done a few they are usually fine make sure it comes with a cable that works cause the order of the connector varies per cable

Ie video might be connected to the tip on one cable and one of the rings on another


Cool. You mean yellow isn't always video, etc?

#4 Swami OFFLINE  

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Posted Fri Jul 13, 2018 3:29 PM

Cool. You mean yellow isn't always video, etc?

Which part of the tip yellow goes to is not always the same. When you do the mod, you connect the video to the female jack where it matches the male end. However, if you go out and buy another cable, it has to have the same configuration or, as you said, yellow will not connect to video. I think spacing of the different contacts can be different on the jack as well if they are in a diffeent order, so you can get two contacts on the male touching the same contact on the female, or vice versa.

 

Quick example:

Attached Thumbnails

  • AV cable 1.jpg
  • AV cable 2.jpg
  • av cable 3.jpg


#5 sixersfan105 OFFLINE  

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Posted Fri Jul 13, 2018 3:33 PM

Got it. Interesting stuff. So worst comes to worst, if I were to purchase this modded console and replace the included 3.5mm to composite cable at some point, I should be wary that one of the traditional red/white audio cables might actually be the proper cable to connect to video on my tv?

#6 Swami OFFLINE  

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Posted Fri Jul 13, 2018 3:39 PM

Got it. Interesting stuff. So worst comes to worst, if I were to purchase this modded console and replace the included 3.5mm to composite cable at some point, I should be wary that one of the traditional red/white audio cables might actually be the proper cable to connect to video on my tv?

The worst part is that the video may be in place of and/or overlap with the ground. Then you get no video no matter what, as there is no ground cable. Same thing could also happen with audio, since L/R audio are usually merged. Basically, you need to know the order of the contacts on the female jack and find out the type of A/V cable that matches it and order that one.



#7 sixersfan105 OFFLINE  

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Posted Fri Jul 13, 2018 3:42 PM

The worst part is that the video may be in place of and/or overlap with the ground. Then you get no video no matter what, as there is no ground cable. Same thing could also happen with audio, since L/R audio are usually merged. Basically, you need to know the order of the contacts on the female jack and find out the type of A/V cable that matches it and order that one.


Oh ok. Sounds potentially messy. Perhaps that's why this mod is rarely seen!

#8 Swami OFFLINE  

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Posted Fri Jul 13, 2018 3:47 PM

Got it. Interesting stuff. So worst comes to worst, if I were to purchase this modded console and replace the included 3.5mm to composite cable at some point, I should be wary that one of the traditional red/white audio cables might actually be the proper cable to connect to video on my tv?

BTW, I know because I had one with a configuration that seemed difficult to find from a reliable source, so it was easier for me to drill three holes and spend an hour resoldering in an RCA three-port.



#9 Swami OFFLINE  

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Posted Fri Jul 13, 2018 3:49 PM

Oh ok. Sounds potentially messy. Perhaps that's why this mod is rarely seen!

If the configuration is a common one - like the handy-cam A/V cable order, I think, then you have no problem.



#10 sixersfan105 OFFLINE  

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Posted Fri Jul 13, 2018 3:51 PM

If the configuration is a common one - like the handy-cam A/V cable order, I think, then you have no problem.


Hmm ok, I'll ask the seller about the order. Hopefully he did the mod himself and can easily answer that q.

#11 Swami OFFLINE  

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Posted Fri Jul 13, 2018 3:55 PM

Hmm ok, I'll ask the seller about the order. Hopefully he did the mod himself and can easily answer that q.

Here's a chart:

Attached Thumbnails

  • Model-B-Plus-Audio-Video-Jack-Diagram.png


#12 sixersfan105 OFFLINE  

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Posted Fri Jul 13, 2018 4:00 PM

Awesome. Thanks!




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