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When you say blank raster, do you mean just a normal raster minus my white bar problem?
Shorting (through a cap) G1 to ground makes no change in raster. .1 didn't do it so I moved to .25 which didn't do it so I jumped all the way up to 10mfd which also had no change, aside from the fact that it was a bit more dramatic to discharge. Assuming I didn't do this test wrong would that put the problem in the CRT?
Fearing I did the test wrong I injected my pattern generator on the video amp to ensure that when I shorted G1 to ground that the video went away, which it indeed did.
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02-08-2012, 08:26 PM
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