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| Namco light gun schematics |
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| lilshawn:
ok, i drew this up with easyEDA. it's free and works okay enough, if not a little clunky. https://www.mediafire.com/file/679iyddjw36807a/Desktop.rar/file it's porblabbly 90% accuprate. also i'm constantly tired and my brain isnt working optimally. I didnt install any of the SPICE libraries or anything on my computer so i couldn't simulate or pre-route it or anything to double check it. so, this is the 95-1018-00 board, which based on the pics of the namco board on happs site, look like the exact same thing as the namco compatible board, only shrunk down. I also included some populated and unpopulated board pics in case i fudged any of the connections, they can be retraced. the only thing i'm not 100% sure on is the transistors...as one of them is nearly unreadable and could be about 5 different things, even uder a microscope i couldn't get the first digit... and the other comes up as 2 different things, one of them NPN the other PNP. so i guessed based on the rest of the circuit, but you might have to play with what you can get... or try simulating the circuit with a few different ones you can locally source... but resistor values and capacitor values and stuff are accurate. The opto part is just a pin-compatible-similar-part-placeholder-for-the-actual-part-later, for basically when you layout and route out the board connections i recommend flooding the rest of the board with ground plane, as it's susceptible to interference and static. |
| AMG KC:
--- Quote from: lilshawn on April 05, 2022, 04:26:18 pm ---ok, i drew this up with easyEDA. it's free and works okay enough, if not a little clunky. https://www.mediafire.com/file/679iyddjw36807a/Desktop.rar/file it's porblabbly 90% accuprate. also i'm constantly tired and my brain isnt working optimally. I didnt install any of the SPICE libraries or anything on my computer so i couldn't simulate or pre-route it or anything to double check it. so, this is the 95-1018-00 board, which based on the pics of the namco board on happs site, look like the exact same thing as the namco compatible board, only shrunk down. I also included some populated and unpopulated board pics in case i fudged any of the connections, they can be retraced. the only thing i'm not 100% sure on is the transistors...as one of them is nearly unreadable and could be about 5 different things, even uder a microscope i couldn't get the first digit... and the other comes up as 2 different things, one of them NPN the other PNP. so i guessed based on the rest of the circuit, but you might have to play with what you can get... or try simulating the circuit with a few different ones you can locally source... but resistor values and capacitor values and stuff are accurate. The opto part is just a pin-compatible-similar-part-placeholder-for-the-actual-part-later, for basically when you layout and route out the board connections i recommend flooding the rest of the board with ground plane, as it's susceptible to interference and static. --- End quote --- Thanks mate!! That is brilliant :) Sorry for slow reply, i didn't see your response until now. |
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