Quote:
Originally Posted by old_tv_nut
Hooray!
If the ringing appears at the input of the delay line (plate of the 6BK5) and there are no off-value components there, then it may be designed in, a result of the 3.58 MHz trap in the cathode. If you have a DVD with an Indianhead test pattern, you can look at the resolution wedge to see if the ringing frequency is the same as the chroma trap frequency.
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I really believe the response is designed in, the ringing goes away if I short out the 3.58MHz trap. Like I said, it's not all that pronounced under normal conditions and video material.