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Old 02-17-2017, 07:35 AM
Mre12ax7 Mre12ax7 is offline
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Join Date: Jul 2016
Posts: 51
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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