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

Hi Ed,

Measure across the heater pins on the crt to measure the ohms as you
suggest but do not measure it on the socket, do it on the pins of the
crt, if thats open the crt is kaput.

Craig

On 02/01/2012 05:09, Ed Lawless wrote:
> 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 Wed Jan 4 10:54:16 2012