Available on QSL.net and RadioManual.info .
Sometimes, technical documents are archived on general radio repair sites. Yaesu Md 100 Schematic
– KE8XXX
The MD-100 features a unique "reversible" cable that supports both and 8-pin modular (RJ-45) connectors. YouTube·Fred in the Shedhttps://www.youtube.com The Yaesu MD 100 desk microphone. Available on QSL