Sony FX 750 possible battery issue Shuts down

This is some basic info on how to open up a Sony dvd player.
I suspect a battery over heat issue. Audio in intro of video is lower than the rest due to me adjusting the camera.
Disclaimer: Please take all suggestions in video at your own risk. I take no responsibility for any damage to property or persons
working on their own equipment.

Видео Sony FX 750 possible battery issue Shuts down канала Screenguy3