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Found 2 results

  1. w1k

    my favourites :)

    From the album: 800xe, 320kb ram, q-meg v3

    800xe - u1mb, q-meg 5rc 800xe - sio2sd build, new paint, 320kb ram, q-meg v4, etc.. xc12, xf551
  2. Hello everybody I'm new in this forums. I've registered some months ago as I've received the Harmony Cartdrige for my Atari 2600 to say thank you but that was all so far. I hope my English is not too bad I will try to do my best you can understand me. Unfortunately I'm not a native English speaker. A week ago I got an Atari 800XE without anything – no power supply, no cables, no drive. It was sold as "untested". Well I'm not sure if this is true because I've opened it and found some human hair inside. But that's OK, I expected that. Unfortunately – after buying a power supply and connecting the Atari to my TV – it's showing only a red screen. I asked Google what kind of problem this could be and it told me I'm an idiot buying this stuff as "untested" and believing it could work. A red screen seems to be a problem with some components inside (ICs/chips). Anyway, it's the first time after round about 30 years I own a machine like this again. In the past my brother and me we got an Atari 65XE from our parents – I was 5 years old. Or let me explain this another way: I really don't have a clue what to do now! The case and the keyboard are looking pretty good. So I thought the board should be untouched but after I opened the case and removed the metall shell I've found two places on the board looking a little bit strange to me. The photo with the blue and the yellow cable soldered to the ICs looks to me like a DIY solution for I don't know what. The other photo shows three resistors soldered to U34. This looks pretty ugly. Am I right or is this just a usual and untouched board? I've also turned the Atari on for about 10 minutes and checked the temperature of the chips with my finger tips. Yes I know, this is not very professional. All chips seem to be cold or warm except two memory chips (the second and the third from the bottom), they are getting f...really hot! There is another chip I don't really know if its temperature is OK. It's the one on the top near the expansion port "CO14806-12". Is this the CPU? Its getting hot when I put my finger on the left side of the chip after about two or three seconds but I would say the IC is not all the time hot and it's not getting really hot when I touch it on the right side. I tried also to make photo of the board back but I'll do this better tomorrow in the day light. There are too many reflections and so it looks terrible. The five pins of the RF modulator look like somebody tried to solder there something for a reason with too much heat. I hope I can take a photo of this tomorrow. If you need more informations or photos, please let me know. What I would now like to know from you is whether there is a chance to rescue the Atari or not? And if there is a chance what should I replace? Only the memory or even more chips? What about the capacitors? I think these capacitors shouldn't leak and destroy anything but maybe they are too old and could also cause problems? And just because I'm curious: What is the IC at the bottom left "CO61991-01" for? Google tells me this is "Freddie". But what is this chip for and why is this the only one which is on a socket?
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