All other rights are reserved. Sony CCD-TR6 Handycam. It turned out to be indeed a leaky 82 mfd 10v cap on the CRT's driver board. Check syscon IC from cold solder. Is very common on TR or TRV models to suffer from cold solder in this IC and in servo IC too.
Clean mode switch, moisture and dust make noisy contacts.
By description of the symptom, check Take up reel. May be bad. Check or replace reel sensor. And clean contacts on flex board connection on bottom of transport, intermittent contact may cause error on sensors job. If ejected, the tape is caught inside.