Hey.
Maybe I can Help you.
On jvc gy 111 is a safe menu.
In 24p format, press for 5 sec. 3 buttons. Focus Assit+Menu+Status.
The safe menu will apear and select the option… Dead pixels…
I hope you’ll fix your camera.
Radu.
https://radubarb.wordpress.com/jvc-gy-111e-with-idx-endura-7s-br-hd-100/