While recording, it spontaneously stops recording and powers off. Can do it less than an hour after starting or even 2 or 3 hours. Once, the tape was still in machine and pulled from the cartridge on eject but was able to easily pull the tape from inside and rewound it into cartridge manually. The tape was damged (crumpled) in one area.
Thanks for your help.
There are probably a few different ailments which can cause this. One is if something is afoul in tape transport. I'd think the problem would occur whether in record or playback however.
If the tape takeup reel drive is slipping, tape takeup might intermittently stop, and cause the machine to power off (this is to avoid spilling tape in the machine). With the cover off, insert a tape, hit play, and see if tape takeup is steady, especially nearer the end of the tape, when the right reel is filling up.
An associated problem is if the reel sensor is intermittent- this sensor tells the logic whether or not the takeup reel is turning- again, this is to avoid massive tape spillage and damage.
Another possibility is a dirty mode switch- this switch tells the logic circuitry what position the mechanicals are in. It is probably located on the underneath side of the deck. Sometimes it can be disassembled and cleaned with a cotton swab wetted with contact cleaner. Others must be replaced.
Hopefully this helps- perhaps another tech has a better solution too.
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