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  1. radar57

    Untouchable by Kasco 1974 need schematics

    Dear members, a friend of mine asks me for help with a EM Untouchable by Kasco he has purchased. The motor for the bandit car reversing and advancing does not work and the two(?) 24V relays for the 100V motor responsible for that seem to have a problem too. Without the help of a schematic i am a...
  2. radar57

    Oh by the way i have found an interesting site now...

    Oh by the way i have found an interesting site now: https://techdocs.exodusemulator.com/Arcade/SegaSystem16/index.html I have to see now which boardset my friends Heavyweight Champ actually uses... Greetings Markus (from Bottmingen, Switzerland)
  3. radar57

    Sega Motopolo Are There Schematics?

    Thanks a lot for your help and the pictures. I will report later what the problem was with his Motopolo.
  4. radar57

    Sega Motopolo Are There Schematics?

    Hello I want to repair a Sega Motopolo for a friend. His Machine looks quite nice but is not working correctly. Are there Schematics for this game? I would like to buy schematics, but i do not know how rare they are. Since i live in Switzerland, also a PDF scan would be most welcome. Regards Markus
  5. radar57

    Identify Unknown Board full of TTL Chips Seventies to Eighties

    Hello PCB Experts I have received a large board mounted on a steel tray with a beefy 5V supply. There is no serial number except "A 337-3" could also be a "R 337-3" (it is printed with solder in a rectangular way...). No other text on it. See pictures attached. I have tried to picture identify...
  6. radar57

    A dumb Donkey Kong PCB question

    Convert a Donkey Kong back to Radar Scope Hello, yes you should be able to convert backwards. On my Radar Scope technical fan page (see www.ostermayer.ch) i have put info from a document titled "Specification for Modification of P.C. Board from TRS to TKG". Subtitle "Modification of TRS-2 Lot...
  7. radar57

    Radar scope sounds

    Oh, i think it is all a matter of personal preference. Personally, i like Radarscope better than DK. It impressed me very much when it came out in 1981 in my city. I couldn't believe that games could be so FAST at the time. The gameplay is not easy at all and after 6 to 7 waves it gets very...
  8. radar57

    Radar scope sounds

    Hello No, not at all. The original Radar Scope Sounds are quite different (and better). Radar Scope in the TRS1 Version had even speech output. You can play samples at my dedicated Radar Scope Site, see www.ostermayer.ch
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