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Tag Archives: atari 2600 LED mod

This article is going to be a fairly brief overview of a mod I recently performed on my “Vader” Atari 2600. I may end up glossing over a few details but this is only because there is already a great wealth of information on the internet pertaining to these mods so I really just wanted to share my experience as a relatively novice solderer in performing these mods.

First off lets take a look at the Atari we will be modifying.

This is my four switch “Vader” Atari 2600. They call this model the “Vader” due to its all black case as opposed to the faux wood grain found on earlier four and six switch models. Personally I’m not a fan of wood grain so I tend to prefer the “Vader” models. This particular 2600 I bought at a Swap meet for something like $5. The guy said he didn’t know if it worked since he didn’t have a power supply. After giving it a look I also quickly notice the RF cord was completely missing and there was a round hole cut into the case where the RF cable would internally connect to the motherboard.

My best guess is that at some point the RF cable was severed so the previous owner cut this hole so they could directly connect a separate RF cable. After getting it home and digging out my 2600 power supply and a spare RF cable I tried this myself and thankfully the Atari powered up and played games fine though with a pretty terrible image quality. Now I’ve been hearing a lot about these $10 Atari RCA mods on eBay that add RCA jacks for superior and more convenient composite video as well as sound out of the a RCA jack for some time and I figured with this machine in the condition it was in it would make a perfect candidate for the mod. I also decided to do an LED power light mod since I was going to be messing around with the Atari anyways.

Finding these kits is super easy and just a simple search on eBay for Atari composite kits or Atari RCA kits will bring up tons of options. There are minor differences in some of the kits but they are all basically the same and sell for around $10. Keep in mind that you can find these kits preassembled for a few bucks more which is the option I went for rather then just getting the parts and assembling it myself. I figure it’s worth the less hassle for about $3-$5 more. The composite mod kit I bought came with its own LED but I opted to buy a second kit. The LED light kit was only about $3 and came with the wires presoldered onto the LED. I went with a purple LED light since I think that looks really slick with the all black 2600.

After getting the kits and assembling them (if you bought yours in pieces) it’s time to open the 2600 which is very easy and only consists of removing four screws on the bottom of the case.

So here is the motherboard to the Atari 2600. Keep in mind your board may look slightly different due to different revisions. This is also the four switcher so the six switcher and 2600 jr. will also look different. A quick Google search for Atari 2600 composite mod will find you many sites with instructions on performing the mod. Many of the eBay listings give links right in the item description.

We will start with the very simple LED light mod. You only need to make two easy solder connections with this mod as well as drill a small hole where you would like the LED light to go. Below is my purple LED light with the wires pre-attached.

Here is the spot on the motherboard your going to need to solder the two ends of the wires.

It should look pretty much the same on all 2600 motherboards. Were going to need to solder the wires to the two bottom legs coming out of that black block.

Most of these kits seem to use the same colored wires but double check your own. the black wire connects to the center leg and the red to the lower. That’s seriously it for the LED mod. I decided to place my LED light next to the power switch. If your also doing the RCA mod though don’t connect the LED to the case just yet. It should be fine just laying off to the side.

Next we need to remove that metal RF shield if you already haven’t.

After this we are going to need to remove a few parts. Namely one resistor and the little black tripod thing I’ve boxed below.

They should be able to desolder relatively easily and fall right off.

Next we need to remove the RF circuit and if your feeling so inclined the box.

The instructions suggest just cutting and/or snapping it off but if you want to be able to reverse the mod the best course of action is to desolder everything. I attempted this at first but the stubborn components would not come off. After awhile of trying and knowing the RF cable was missing off my unit anyways I finally gave in and just cut off the RF circuit and left the RF box in place. Ive read removing the box can help create less signal interference but mine just would not come off so I left it.

After making sure the holes are clear of old solder or broken off pins were going to need to start connecting our RCA video/audio circuits wires. As I said earlier some kits have different colored wires so be aware of this.

The black ground wire goes in the first hole, the red wire which I believe carries the sync signal connects to the third hole from the left and the yellow video wire connects in the hole next to it. Your audio wire, in my case green, connects to the leg of the transistor as seen in the image above.

Lastly were going to need to cut holes in the back of your case, or wherever you may want your RCA jacks and install them. following this your going to need to connect the yellow video wire to your video jack and your audio wire to your audio jack or jacks. some kits like mine come with two audio jacks but since the Atari 2600 is not a stereo system it really doesn’t matter if you use one of two jacks as they both will just output mono. lastly connect the black ground wire to all three jacks as so.

Replace everything carefully and test your system. hopefully if everything went well you should now have a nice looking LED light and composite video which I feel increases video quality greatly as well as makes hooking the 2600 up to more TV’s easy. There are S-video and even RGB mods for the 2600 but with such primitive graphics from these systems I don’t really feel going above composite yields much overall. I really like this mod because it’s very cheap, simple to preform and once done drastically improves playability of the 2600 system. If your just starting out soldering or doing system mods this is a great mod to try out.

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