Asteroids Deluxe G05-805 15" CRT Heater / neck glow issue

Hi guys,
           I have a G05-805 that everything is currently working on it
except; I now have no neck glow. ;-( I have checked to make sure I have
6.3 AC power on the connector going to the monitor and my actual cabinet
was showing me 7.2 Volts AC on pins 9 and 12 of the monitor connector. I
also replaced all the fuses in my rectifier block; recently. All fuses
show good with no resistances. I might also add that I just replaced all
electrolytic capacitors through out the entire cabinet from the rectifier
through the main board and monitor. I was just doing the usual
preventative maintenance; once I was done with this process; the game was
running great and the picture was fantastic. Then I let it burn in for
about 7 or 8 hours and we lost neck glow. We still have deflection
chatter, high voltage (right at 12K) and spot killer is currently off.

I even took this monitor to my other known good working Asteroids deluxe
cabinet just to narrow this down to this specific monitor.

So here is my question: To verify that the heater has actually opened on
the CRT I would just need to do an ohm reading across pins 9 and 12 on the
back of the monitor's main connector. This is currently showing open. How
can I do this same test bypassing the deflection board doing it straight on
the tube? I have a bad feeling that my heater has just gone bad on me and
I will be in need of a replacement tube.

Thanks,
Ed

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Received on Mon Jan 2 00:13:14 2012