Quote:
Originally Posted by kramden66
...the convergence is lining up the red blue and green , this issue seems to be video or IF related and looks like its in the black and white portion of the image , am I right or should I look at convergence ?
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From the pics you posted of the "NBC" symbol display, the "ice" problem appears to be in the luma (video) or video IF chain. Definitely not convergence or yoke related.
Assuming the problem's already determined to be not tube related, troubleshooting just about demands a signal generator (like the B&K 1076 Analyst). Working backward from the vid out stage, inject signal stage by stage until the problem's isolated.
02-13-2014, 10:40 AM
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