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8563A Display

Question asked by keitho on Jul 21, 2008
Latest reply on Aug 26, 2008 by jborges3
I have an 8563A that powers up OK but the display stays blank. It shows a green flash when powering down indicating a normal field collapse.
I have checked all the DC power supplies and also the signal levels on J201 202. Also the ext video out produces some output on a scope.
HV module substituted and A17 driver with no effect.
I suspect it is the CRT, is there any way to confirm this?  

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