: Proper grounding via copper straps (at least 50mm wide) to a metal hull or large metal mass is essential for performance. Reference Resources
Communities like , Cruisers Forum , and Reddit’s r/MarineElectronics are treasure troves. Long-time JRC users often scan and share rare manuals. Search within the forum for “NCT-196N service manual.” If you don’t find it, post a request – someone usually has a dusty binder. jrc nct-196n manual
Disassembly/Reassembly (Section 7) and Parts List Solution: The microphone uses a standard 4-pin modular connector (not a modern RJ45). JRC’s part number is M23-001. The manual’s exploded view shows how to remove the front bezel to access the connector’s soldered leads. : Proper grounding via copper straps (at least