Centaur
Bally, 1981You're currently viewing posts by Pinsider quench.
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I suspect that display might have an issue with the display blanking signal. This signal blanks the displays every time they are refreshed (320 times per second) and can cause ghosting/extra brightness on the display if it isn't receiving/reacting to the signal.
Check the 20k resistor between pin 10 of the cable connector header and pin 7 of the 4543 chip on the display board. It could be the 4543 chip itself.
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Worcester, MA
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