How to repair C-arm imaging intensifier system failures?

C-arm imaging system is an important part of X-ray machine.Basic configuration of image intensifier, including intensifier, optical system, camera and monitor, etc.

Image intensifier input screen is not visible image transform into electronic images, after focusing in the enhanced tube electron acceleration, light output screen bombardment, forming a yellow-green visible light image, the optical system is focused on the camera image sensing, photosensitive surface with camera electronic circuits, form the whole TV signal, sent to the monitor shows a picture of a visible television images.