Tempest High Score Save Troubles

From: Malcolm Mackenzie <maxstang_at_sbcglobal.net>
Date: Fri Mar 25 2011 - 01:50:08 EDT

My Tempest is no longer saving high scores. No "E" in self test, but  I switched out the ER-2055 at C2 with a new one anyway, with no change.  Metered the chip and it's getting +4.87V at pin 6 and  -30V at pin 14.  I also checked the resistors near by and they all test good.  Any good places to start looking?

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Received on Fri Mar 25 01:50:12 2011

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