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Found 28 results

  1. Hi All After taking a break from Atari for a year or so, im happy to offer a new product to the community which may be of interest, Im pleased to offer a S-video card which i have designed and optimised for CRT monitors, which has excellent quality video compaired to Composite and of course standard TV/Coax. The card is compatible with both NTSC and PAL Ataris and comes pre-wired and with Full color instructions and fittings. Both 7800 and TIA output is catered for and there is an adjustment pot for quality can be adjusted to ensure best results for your monitor. I have listed the features/parts here: Features: * 7800 & 2600 TIA compatible * Works on PAL and NTSC units * Sound Filter * Onboard adjustment for sharpening results * Easy Install with Step-by-Step color photos (separate sections for both PAL and NTSC) Kit Includes: * S-Video Module card - pre-wired and color coded * 4 Pin S-Video DIn Socket (for fitting to side if desired) * RCA Socket - for Audio output * Link wires * Easy Install Instructions with colour photos showing step by step from start to Finish. As some new LCD monitors may vary, im pitching this to be used for CRT monitors as to both ensure compatibility and also to keep the original feel of the 7800. Some shots ive taken are: PAL - Xenophobe, Sirius, Choplifter NTSC - Intro screen, Winter Games, Plutos. Im sure you will agree that although composite is a good departure from standard TV, the quality that the 7800 can give out is worth the effort! Ive listed these on Ebay here for general release and what the cost/rates are. UK - http://www.ebay.co.uk/itm/121596931289?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 ROW - http://www.ebay.com/itm/Atari-7800-S-Video-Card-PAL-NTSC-complete-with-parts-and-instructions-/121596931289?pt=LH_DefaultDomain_3&hash=item1c4fbdecd9 Please let me know if you have any questions or feel free to PM me if you are interested but dont use ebay etc. Richard
  2. Links Forum Topic Notes Composite output Two versions: Single and dual transistor Removes RF box Design only, not a premade kit Simon says the two transistor version is better PCB is designed, Eagle files are available (contact him on the forums!) Two transistor PCB design using SMD parts from /u/albrugsch on Reddit
  3. I have been fortunate to get my hands on a Coleco Telstar Arcade Model 6071 (the triangular one). The RF modulator has deteriorated and I need to convert this system to composite video. This is where I need help. It looks like it would be pretty simple to do, but I'm a newbie and I don't completely understand the chips and pins and I don't want to risk destroying the console by experimenting. I'm attaching some pics for reference. There is a single coax cable connecting the board to the RF converter. I would assume that this cable is carrying all of the video information. Can I just take this signal and convert to composite? Does anyone have instructions or pictures that are specific to the Model 6071? I would greatly appreciate any assistance anyone could provide.
  4. mkiker2089

    found

    I'm considering finding a modified Atari for composite video. I use a Sears Arcade that I currently prefer but I don't have the skill to mod it and am unsure if I should let someone else try. How much do modified consoles cost usually and where would I find one? Who could modify mine?
  5. Hello Atari owners and modders. I'm trying to add an audio / composite output on my "new" atari 2600 (NTSC 4 switch), but I can't obtain any image... The console worked yesterday with RF output, but with no sound and a really weird/dirty b&w image. That's why I decided to add an A/V mod to permanently solve the problem. I think I choose the cheaper solution: 2 resistances and 1 transistor, similar to the easier-7800-composite-video-mod My circuit is the same as the solution proposed by brighty83 for a PAL version here (down of the page):http://retro.mmgn.co...ari-2600-AV-Mod I found the same cicuit on ebay, sellers detail the process on their installation guides for NTSC versions: http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574883395&toolid=10001&campid=5336500554&customid=&mpre=http%3A%2F%2Fwww.ebay.com%2Fitm%2FAtari-2600-7800-Composite-Video-Mod-Upgrade-Kit-DIY-%2F300592126324 (see Installation Guides for atari 2600 4 switch) or http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574883395&toolid=10001&campid=5336500554&customid=&mpre=http%3A%2F%2Fcgi.ebay.fr%2FAtari-2600-A-V-Composite-Video-Mod-Kit-NTSC-PAL-DIY-%2F181042624250%3Fpt%3DLH_DefaultDomain_0%26hash%3Ditem2a26fb36fa installation guide: http://www.filedropp...stallationguide (page 10 for NTSC 4 switch) Here is the circuit (sorry for the poor image quality): Video out and GND ---> Video RCA Audio out and GND ---> Audio RCA As mentionned on guides for NTSC 4 switch, I removed the RF box, Q202 and R209: The sound works well, but no images, it's so sad... I don't know what to do, and I'm dying about playing with it, in good conditions I mean. Some of you tried this mod? any idea ? Fujisama
  6. im having problems with getting a composite signal out of my intellivision i have this pal model so far i have tried both of the following methods with the rf module on and off with no luck i have seen another mod but this must be for a different motherboard and im at a loss of what to do now has any one got any more info on this subject
  7. so about a year ago i did a 2600 Jr av mod i found somewhere where you added 3 resistors to some pins on a chip and got composite video out... only problem is i tried adding a set of jacks instead of having a cable hang out... but now the video signal is gone. i spent like 3 hours trying to fix it, but all i get is scrolling white. i can sorta see some of the sprites, but i can't figure out what was going on, and ended up removing the added parts... but now the capacitor for sound lost a leg... so i need a new one of those also. anyone know of the mod i'm talking about, like i said i cant find it again, or at least another one that worked for you? also it does the same thing when RF is connected back.
  8. I'm attempting to mod my Sunnyvale Heavy Sixer with a composite video mod. I'm following the quick and dirty single transistor composite video amplifier mod, the schematic is attached. I've built it twice with two different transistors to rule out the possibility of bad parts. I've removed the RF modulator and I'm attaching this amp to the composite video pin that used to go the RF modulator. So far I've removed Q202, R213, and the large pink inductor near Q202. On the screen, I'm getting a dark black snow and the TV think's it's a PAL video signal (it's an NTSC Atari). I've also posted the composite video waveform I've captured with my scope. Without the mod, it's about 1.2V peak to peak and the horizontal blank looks like a fang rather than a rectangle. NewFile9.bmp NewFile11.bmp NewFile10.bmp With the mod, for some reason the signal becomes less pronounced, at about 200mV peak to peak. NewFile12.bmp This is what my main board looks like right now I should also note that on the secondary board of the Atari (the one with all the switches and the RF modulator), my RF modulator only has 3 pins. All the tutorials I've found online show an RF modulator with 5 pins. The 3 pins on mine are +5V, GND, and (I assume) composite video. Can anyone help me with this mod? Did I forget to remove a component from the main board or something?
  9. This is just an interest check. I have the following modified Atari 7800 system and 16 games. What would they be worth as one lot? Would anyone want to buy these as a lot? If so, how much would one be willing to pay for the following as a bundle? Suggestions? Comments? Asteroids Ballblazer Barnyard Blaster Centipede Dig Dug Donkey Kong Jr. F-18 Hornet Galaga Jinks Joust Karateka Meltdown Ms. Pac-man Robotron 2084 Tower Toppler Xevious I had this system modded for s-video and composite stereo audio. I have the 7800 gamepad. I have the joystick as well.
  10. Sprybug recently requested that I capture some video footage of a homebrew he was working on, Super Mario Bros 2600, to verify that it worked properly on real hardware. I have a video capture device for my PC that is capable of capturing analog composite or S-Video. I sometimes use it to capture gameplay footage directly from the console. Because my Atari doesn't output composite video, it is necessary to use an old VCR as a middle man. The VCR I am using is busted (in other words, it chews up VHS tapes and spits them back out) but the audio/video portions of it work fine. So, I proceed to connect the coax cable from the Atari to the VCR, and from the VCR to the TV. Next, I connect the A/V cables from the VCR to the capture device. It is a Hauppauge brand USB dongle which supports analog NTSC and PAL video formats, both S-Video and Composite. I set up the game and begin recording in standard NTSC definition 720x480i. Here is the result: http://www.youtube.com/watch?v=HF25v7LL5m8 The video feed is roach quality and almost entirely grayscale. I have used this capture device to record from both retro and modern consoles like NES and GameCube, and the colors always display flawlessly. At first I thought that the composite video (yellow cable) was to blame, so I turned the system back on, and switched the TV set to "game" (A/V) mode, disconnect the RCA cable from the capture device and plug it into the TV set. Once again, the colors were crystal clear and vibrant on the TV, ruling out the possibility of a bad cable. Why does the Hauppauge capture device work with all of my other consoles but not Atari?
  11. So I picked up a "non-working" CV from eBay ($25, bundled with 2 OEM controllers, power supply, and Illusions). The also-bundled RCA output cable was severed and frayed at the end. Powered on, tested all 4 connections, voltage checked out. No picture with replacement RCA (using a RCA-to-coaxial adapter; love those things). Concluded it was the RF modulator, so I decided to give Ben Heck's composite mod a try (http://www.benheck.com/Games/Coleco/Video_Mod.htm). It worked!...with two unexpected results (both may be unrelated to the mod, I'm not sure). 1. There is about a five-second delay after the console powers on, after which the ColecoVision title screen has about a three-second fade-in. After fade-in, the picture and colors are as clear and perfect as composite can give me. I'm using a 32" Toshiba CRT; all other consoles using composite output don't have this picture delay. The micro-potentiometer in my mod is turned up all the way. I should also point out that I tested the mod's circuit, and all components--including the video out--were getting the proper voltage (~12V DC). Is this a normal/typical "side effect" of the Ben Heck mod? Or is there something wrong/off with one of the components? 2. I noticed these stray, square sprites in fixed positions in a few of my games. (See attached pics for reference.) I first noticed a couple of them in the rivets stage of Donkey Kong... and then I saw a couple on the level start screen of Illusions.... It was then that I inferred they might be appearing in the same places regardless of the game, and that they won't appear on a black/"null" background. And then I put in Zaxxon.... Eureka! There looks to be a vertical row of these sprites, evenly spaced, across the entire height of the screen. Has anyone seen/solved this issue before? Thank you each for your time and help with this one. Love ya, appreciate ya.
  12. Good day to you all! I've been pretty successful in modding old PAL 2600 Junior Consoles to Composite Output. But now I stumbled upon 1 (2 in fact) very stubborn one. I would be glad if you guys could help me troubleshoot this, and lend me some advice on how to find out what is broken. I already checked the usual stuff like power and power supply. It has 9v power and the led is also shining brightly red. The only problem is, there is no video output from it. It is the board revision F.1.1 (the other one is Rev F). There are no visible damaged components or capacitors so I am all out of ideas. I already made the Composite mod, to quickly check if there is any video output and the parts of the mod are all okay and working correctly, as I tested it on another console successfully. The strange thing is, R28 had a capacitor soldered onto the same pins as the resistor itself. I desoldered it and tried it again with no success. It looked like the one on C12 (yellow blob). So, to get to the point, is there anything I can check to find out what is wrong? I own a multimeter and all the tools necessary except for a logic analyzer or an oscilloscope. I would be endlessly glad if you could help me get to the root of this by any means, so I can gift another old console for Christmas. Thank you and best regards/great holidays. Fleder
  13. Like so. My Atari 2600 had really bad RF out. Way 'snowier' than normal so I figured it was probably just the RF circuit so why not mod it. Results are striking. Well worth the effort (",) It uses a 'daughterboard' that someone local to me gave me to try out. You can see it in the second pic, sitting next to the original RF unit, just above where the original coax connected o the motherboard. My model had the coax permanently attached. I used an old cable I had lying around, but I have ordered an aftermarket gamecube s-video cable. This has a round cross section. It will be thicker than the original but will still look the part, and it means I don;t have to do any drilling
  14. Atari 2600 $99 12 games, two joysticks, high quality s-video and RCA cables. games. $99 Games that are included with the system are Donkey Kong Jr Midnight Magic Mouse Trap Solaris Moon Patrol Ms. Pacman Centipede Galaxian Frogger Q*bert The Empire Strikes Back Popeye Games ($8 min) Games arranged by rarity (feel free to make any offers )
  15. Hi Guys This is my first post here so please be gentle with me. I'm from the UK and I've recently bought a couple of Heavy Sixer's from the States. I have modded one of them with a composite video kit and it works great. However, I was wondering what else I would need to do to convert the system into a PAL unit? I've read about the TIA and how it differs so my questions are: a) Could I replace the system board only with a PAL light sixer, keeping the switch board and all other original components? Would this work? b) If I was to keep the system board and replace the TIA with a PAL unit, is there anything else I need to consider? The info on the internet I've found seems to be pretty vague. I read something about the crystal also needing replacing and maybe some other bits? Thanks in advance
  16. Is there a way to adjust the brightness of the video signal? After I installed a composite mod kit in my 2600, the brightness is so low that playing Space Invaders at the right color configuration is almost impossible. And yes, I know about the color potentiometer. I feel like there should be a better option than adjusting the brightness of my TV to unnaturally high levels.
  17. Hi, all. My limited efforts to get my Intellivision II properly (as in, not me messing it up) modded for composite (along with the other usual mods) didn't pan out, so I was hoping someone had one of these pre-modded for sale. If not, I can send along mine for modding. The only thing I ask is that this be one of the newer mods that eliminates the issues with older mods that caused ghosting. Respond here or send me a PM. Thanks!
  18. I knocked another project off the list today by finishing up my 7800 s-video mod. I also recapped it and added RCA AV jacks. I bought longhornengineer's video board on eBay and highly, highly recommend buying from them. The s-video quality is absolutely superb. It's crisp and colorful, and still glows with that original warmth. The 7800 went from being the absolute worst video quality of any console I own, to nearly the top of the list. So far I've only been able to test it plugged straight to my TV, and it will improve when I'm able to run it through my Extron DVS-204 to a T-SLG. The mono audio is also excellent, but the composite video is nowhere near as good as s-video. Both are a huge improvement over RF obviously. I mounted the AV jacks on the back of the console, which is something I hadn't seen done before. If you go this route, make sure to get the exact s-video jack that I used. There isn't enough space inside that area for standard s-video jacks.
  19. I was thinking of Modding my 2600 JR to output AV video. I did a mod to my JR around a year ago, and i ended up killing my board when i tried changing the jacks on it, and i can't find the original posting for the mod i Did. I saw this AV mod for the JR, and i was wondering how well it worked. https://atariage.com/howto/composite.html I think i remember some people saying the video quality wasn't the best, but I am just looking for something that is reasonably good enough to use. If the link does not work just try googling "atariage 2600 jr av"
  20. Alright, so I got this really awesome 3D LED tv (Vizio Razor M3D460SR) but since it's so thin or something they combined the AV input with the Component1 plugs (green is shared with the yellow composite plug) and Component2 with the VGA input (works with a VGA to component passthrough cable and an RCA to 3.5mm stereo cable). Is there anyone with really awesome video ciruitry skills that can help devise a custom external device to combat this? Wishful thinking: A) S-Video to Component circuit - Doesn't need to upscale past 480i, but I'd like to keep the quality improvement from the S-Video connector instead of going S-Video -> RCA Composite A-2) Composite to Component if A) is possible (for 3) below) B) Some form of automatic switching between sources Realistic goals / options 1) Input 1: Component + RCA Left/Right, Input 2: VGA Computer + 3.5mm Stereo, Output: VGA connector + 3.5mm Stereo In other words, make a switch for a VGA -> Component passthrough and a normal VGA source. There's no conversion from Component to an actual VGA signal, the tv supports and has been tested with a Component to VGA cable. 2) Input: Component (Green, Blue, and Red plugs), Composite (Yellow), Output: Green, Blue, White Explanation: A switch that cuts off Red and Blue when set to Composite, Yellow gets forwarded to Green. I've got an automatic switchbox that only outputs one set of RCA audio cables for both component and composite, so that's why that's not included. 3) Assuming A): Input 1: S-Video + RCA Left/Right, Input 2: Composite + RCA Left/Right, Input 3: Component + RCA Left/Right, Input 4: VGA + 3.5mm Stereo, Output: VGA connector + 3.5mm Stereo On Input 2: Left mono to Stereo when Right In connector has no signal VGA passthrough switch as in 1) Assuming B) as well: If there is a signal on Input 4, leave it on 4 unless manually switched. If there is no signal, switch to VGA -> Component passthrough For inputs 1, 2, and 3 switch to the input that has received a signal last. ie: Input 1 is on, input 3 is turned on switch to input 3, input 2 is turned on switch to input 2. (same function as the switch box I have now)
  21. I'm looking to buy a Saturn SVIDEO cable, a Dreamcast SVIDEO cable, and a Dreamcast VGA cable. I'm not too picky; I'll take a Pelican or Performance brand; anything. If the cable sucks, I'll rip it apart and make my own from the console-side connector. Other things I may be interested in if you have them: SVIDEO/Composite to VGA converter Composite cable for Genesis/Megadrive I Composite cable for Genesis/Megadrive II
  22. After pulling my Apple IIGS out of the attic, I plugged it in to my modern LCD TV via composite. However, upon boot up, the screen is garbled and jumpy. If i wiggle/twist the RCA connector at the IIGS end, i can fix the garbled video and jumpiness, however the colors are all wrong, as in they look very deadened/muted. Medium blue appears as a dark blueish grey, dark red looks like brown, yellow looks very faded, etc. Is this caused by the failure of a certain chip, should I replace the capacitors, or what? EDIT: I should also add that if I flip the switch on the back, and turn it on again, I have to wiggle the RCA cable all over again for a while to get the image to work. When viewing text, there are also several pink/green artifacts. Knowing that it is an Apple II on a color display, this could happen, but I just wanted to put it in here to be safe.
  23. Hello: I'm tired of passing the signal from my Atari 2600 through a VCR, setting the monitor to the correct channel, and then enduring the lousy image from the RF cable. I would like to buy an Atari 2600 Jr console with the S-Video and Composite video mod, like the one Electronic Sentimentalities sells. I sent him an email on December 20, 2015, and he hasn't answered yet. The email didn't bounce, so he got it. Would he be able to see my message here? Or would somebody else be able to provide the same service? I want to buy specifically the Atari 2600 Jr because it is the smallest fully compatible console. I presume I will be able to use the Harmony Cart with the modded console without problems. I will buy that after I buy the console. Thank you.
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