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Found 5 results

  1. So, Hi As the title states, I'm searching for PAL A8 items in working condition. - 1200XL - Atari 5200 (no preference over 2 or 4 ports) - PSU for Atari 1010 (got 2 tape players, NONE with a PSU !) - A8 accessories or related goodies (manuals, advertisings, Atari/Koala pad, etc...) In working order, loose, eventually with the PSU for the 1200XL (I have a step-down converter, don't worry), RF cable not mandatory, box & manuals not mandatory ! If you have a bundle of cartdriges for XL/XE pal computers for cheap, I'm interested too I am in France, and I'll pay for the shipping TRACKED and SIGNED FOR even from the USA. PM If you have any of what I'm searching for...
  2. I noticed that when my mod board is connected the 12v connection for the rf modulator drops to like 4v. also noticed that when its disconnected it's still only like 11.4v. And one of the chips on the board gets very hot. I'm wondering if this is why after a few seconds of use the picture becomes less stable (text characters basically shake) Also i took the cage off the rf modulator to make room so not sure if that has anything to do with my problem. been trying to get this thing to work for so long its kind of annoying.
  3. Hi, everyone! I own 1981 Woodgrain Atari VCS CX2600A which I modded for composite video output and it has several issues. The first problem is ghosting of the picture. And the second problem is about the sound: volume of the 2nd audio channel is a lot lower than the first. I noticed the sound problem playing Pitfall as well as Synth Cart: all sounds in Pitfall are quieter than in other games, and in Synthcart when I turn on a beat on the right keypad it sounds very quiet too. When I switched the right keypad to bass or lead sounds they sound much quieter than sounds on the left keypad. The console has Rev. 13 PCB and AMI 8116XF TIA chip. The PCB hasn't 7805 buffer chip. I modded the console with this scheme: http://atariage.com/forums/uploads/monthly_11_2017/post-62422-0-00139200-1511299299_thumb.png Previously, I tried to mod it with TheFutureWas8Bit's Composite Mod Kit, but the picture was really dark and colors were dull, so I decided that mod amplifies the signal not enough and replace it with the mod on scheme above. I replaced 5K trimmer on that scheme by just a wire because when the resistance is close to zero the picture was better, and when resistance was increased by trimmer, the ghosting effect became worse and the picture was really blurred. Beside the modding, I changed all 3 capacitors in the console and remove and resat all three chips in their cradles. Can anyone suggest what these problems may be related to? The only reason I can imagine is that the TIA chip is defective in some way. Or maybe I should test something else?
  4. Has anyone used the Vintage Gaming and More composite mod for the 2600/7800 on the 5200 machine? I know the RF modulator needs to be removed but do any other resistors or transistors need to be removed also? I searched You Tube but I only found 5200 mods using a UAV board.
  5. I've been trying to mod my intellivion 2 to output composite video. I almost have the thing working, but the video signal is still having problems. text characters will start to shake after about 3 seconds of running, and there is a white line going down the screen lined up with the characters. I tried putting a 2000uf cap across the 5v line, but that didn't do anything. Ive checked the mod board multiple time times, but haven't found any problems with it that fixed the signal. also the rf modulator never output any video signal so i don't have any way to see if its a problem with the console. also don't have any extra rf modulators or consoles to test with.
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