Partially Working TEMPEST PCB - $85 shipped

nocashvalue

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I've got a very clean TEMPEST circuit board that is partially working. I get a red light on the PCB when charged with a known good power supply. + 5 test point gives me 4.89. It makes the coin counter just start clicking away. No action on screen.

$85 shipped
 
Not 100% sure it's the same, but I had the exact same symptom on an Asteroids board.

One of the socketed EEPROM chips was in backwards.

once I swapped it back, fired right up
 
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