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$6.75
DM74LS491AN
10-Bit Up/Down Counter
24Pin .3" DIP Package
This rare IC is used on the Tron and other Midway spinner optic boards.
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DM74LS491AN
10-Bit Up/Down Counter
24Pin .3" DIP Package
This rare IC is used on the Tron and other Midway spinner optic boards.
If your Trons spinner is not working chances are good the LS491 or the optical switch is bad.
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