> Based on the schematics in the service manual, it does indeed look as
> if the game can be strapped for multiple different input voltages. If that
> were the case, though, it looks as if your +12V should be low as well. Have
> you checked that?
I finally printed out a nice large drawing of page 92 (96 on the PDF).
OK, yeah, +12 is dragging as well - it's at 10.79 with the pot all the
way up.
Checking the transformer inputs, it's tapped at 120V, so that's correct.
Unreg'd input to the power supply board is 8.57V for the '8V' input and
16.79V for the '15V' input. Hmmmmm.... maybe it's the linear power
supply board after all.
Am I right in understanding that this game doesn't use the 12V for logic
at all? Also, where do the vector drive voltages come from?
-Lewis
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Received on Wed Jan 23 19:21:15 2008
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