Good Sam Community

My Sony monitor ssm721 amr keeps rolling, does anyone know how to fix it? If not is there anyone who has one for sale out there

Looking for a monitor for my back up camera. It is an Sony ssm-721-amp and is in a 1995 country coach motor home. Hoping to find one that just fits in the same spot. Please email me at mjba@shaw.ca if you have one or know where to get one. I know thi...