David Brodbeck wrote:
The patient is a JVC BR-S611U. This is an old professional SVHS edit

VCR. It loads okay, and positions the tape in the "half loaded"
position. No response to play, fast forward, or rewind. On eject,
the
tape is not retracted back into the cassette. Using an empty
cassette
shell, I can see that there's never any movement of the supply or
take-up reels.

Check/ clean /replace Mode switch. almost sure to be that.
IC protector on drum motor ic has caused me the occasional problem in
jvcs.

-Ben