VCR Gymnast wrote:
The corresponding Test Point (TP) voltages on Servo board 2 are TP7 for
the supply reel and TP9 for the take-up reel. Both should measure 6.00
VDC.

To check the power supply regulator board, here are the TP voltages
that should be present:

Thanks a lot for that info. It will be a couple of days before I can
run these tests, but I'll get back to you once I have. I assume these
are all referenced to the chassis?