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Trying to bring Roadblasters cockpit back to life.
vintagegamer:
Hi all,
I'm trying to breathe life back into a Roadblasters cockpit and could use some help.
The boards are getting 5v and 12v but won't boot.
The clock pin #15 shows pulsing on my logic probe, as does pin #18 for reset.
The screen remains light green.
The test switch does nothing.
I have removed and reseated socketed chips.
I don't have a scope.
Can anyone provide any further suggestions?
vintagegamer:
Some pics
vintagegamer:
Screen. It straightens out to light green with no lines after warming up.
vintagegamer:
Screen changes to this if I ground the WDIS tab for the watchdog.
Locke141:
I feel bad that no one here seems to know how to help after two days.
I would try asking at KLOV. By some amazing coincidence Roadblasters was the "MACHINE OF THE MOMENT" when I just checked there home page.
http://www.arcade-museum.com.
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