wG 19k7000 flickers blue occasionally

cueball

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Donor 2011
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I put a cap kit, fly, hot and fuse in this monitor and had it running this past weekend when I was in the garage. It was running a double dribble pcb and it looked beautiful every time that i passed it.

however, i hooked up the 60-1 in it (tried two boards) and it would flash very quickly (but noticeable) a blue portion of the screen. it is not the same part of the screen every time it flashes. it also does it on the icade menu and occasionally during gameplay. the two pcbs that i tired, were purchased a year apart from one another, so it cant be the pcbs.

what could it be? i discharged and checked the flyback connection.

i am planning on delivering this tomorrow (night, hopefully). i will need to make some concession if i cannot fix it . either I will have to have them hold back some money (maybe $100) until i can get it fixed. but i need to have it for them for xmas.
 
your gonna have to do some wiggle-jiggling

could be a krappy edge connector, or mabye cold solder somwhere on the chassis..

youll have to wiggle-jiggle to narrow it down.

hopefully its not a intermittent short inside the tube....
 
I have a 19k7000 that flickers red from time to time, more-so before the monitor warms up. It is in my tube, not the chassis, a intermitant red gun short I guess. I would have it balanced/cleaned by my firend with a rejuv. but he doesn't have the correct adapter for it :(
 
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