Minor Service
Minor Repair and Service on Sony HVR Z1U is usually performed at 250 hours or up to 500 hours depending on the environment the camera was used in such as dusty, sandy, windy, salty, etc. (example: shooting in the beach)
Overall cleaning
Transport cleaning
Transport alignment
Drum head Cleaning
Tape path, tension, switching position adjustment
Front lens cleaning
EVF (viewfinder) cleaning
Major Service
Major repair and service on Sony HVR Z1U is usually performed at 500 hours to 1000 hours. This includes minor service inspection, alignment, cleaning of most major and minor assemblies and necessary replacement of common wear parts.
Drum head assembly
Tape deck assembly
Drum dass assembly
Coaster (T) block assembly
Pinch roller arm assembly