I've had a couple of Konami Twin16 PCBs over the years, and they have all been sensitive to voltage. I have only one now, Gradius 2, and it will constantly reset if the voltage is above ~4.8V. Is that common behavior for these boards, or is there something wrong with one of the components? It seems strange to me that it doesn't work with 5V, but the board will run fine once it's lowered.
Anyone else experienced something similar?
Konami Twin16 PCB, sensitive to voltage
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rugdoctor
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Re: Konami Twin16 PCB, sensitive to voltage
My hard puncher PCB seems to be OK either way.
My blog is here http://kelvinsgamingheaven.blogspot.com/
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jepjepjep
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Re: Konami Twin16 PCB, sensitive to voltage
Thanks for the info, rugdoctor. I wonder what would cause my board to reset at nominal voltage but run normally at slightly lower. Anyone have any ideas?