[Username1]

It certainly looks like you are having some noise that is a harmonic of the horiz
sync frequency. Almost repeated perfect vertical lines. This could be from the
osc. in the rf output box in the vcr, it is pretty much should be a small self
contained box, you may be able to turn it off, or switch channels see if it changes.

As for the power supply, open up both vcr's set them both up and compare
voltages from random points in the power supply. If you have a audio tracer
stick it to a few points see if you have noise where you should not. 15Khz might
be audible.

Just because you get the noise from line out, and RF out does not mean it still can't
come from the rf out box. Just cut off the power to that small box.

Look for bad grounds, previous work on the machine etc.


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