Unlike user manuals (which are publicly available), service manuals are protected for several critical reasons:
Training & Certification
Medical Equipment Service Companies
Physical copy from a facility
The CV-190 uses a 14-pin circular connector. The manual provides a table of each pin’s signal: olympus cv 190 service manual
This allows you to build a breakout box for testing scopes independently of the processor. Unlike user manuals (which are publicly available), service