"Steven L." writes:

My RCA model VR704HF VCR started exhibiting the following symptom:

It won't rewind a tape all the way to the beginning. It stops when
there's still roughly a half hour of tape to go. Pressing Rewind
causes it to rewind a little bit more but it still stops before it
gets all the way back to the beginning.

I'm also starting to hear a high-pitched tone in all tape transport
modes (playback, rewind, etc.) that I didn't used to hear, but I don't
know if that's related.

What's the most likely cause? And are there any suppliers left who
stock parts for a machine this old (1990s vintage)?

A worn tired rubber belt (if it has any).

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