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#24
02-17-2017, 07:35 AM
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Status of the set.
I replaced the 12BH7 vert, output tube to no effect. Still has foldover. There is sound getting trough and I presume video but there is no sync. Horizontal hold is at the one extreme there is maybe 10-15 horizontal lines. Turn it too far the other way and HV cuts out and it makes unhappy noises. Vertical hold appears to keep rolling as well. I have replaced the sync separator tube with another one with no effect. I am guessing that I should check the voltages on the 12SN7 sync separator? 
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