Quote:
Originally Posted by old_tv_nut
Check fine tuning. Check for bad components around the delay line.
Then if nothing wrong there, consider full alignment.
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Fine tuning and AFT are not the cause. I checked and re-checked. I do see an 0.47uF electrolytic capacitor used to AC couple the luma signal immediately after the delay line. My 1960s tube type TVs use a gumdrop polyester/polypropylene film capacitor in the equivalent place in the luma signal path. I will check when I get home.
I have a B&K415 for doing RF, IF, and chroma alignments. I have also studied B&K’s user manual, which is 100 pages long. It seems intimidating, but I will learn how to do a proper alignment eventually.