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+# Sony RM-M7G and RCP-TX7 Research Notes
+
+This folder collects known public information about the Sony RM-M7G Remote
+Control Unit and Sony RCP-TX7 Remote Control Panel, with links to manuals,
+service information, diagrams, related devices, and compatibility notes.
+
+## Documents
+
+- [Source Inventory](sources.md) - links to manuals, Sony pages, manual mirrors,
+  paid schematic listings, and related equipment documents.
+- [RM-M7G Remote Control Unit](rm-m7g.md) - summary, specifications,
+  compatibility, service manual contents, and repair-relevant notes.
+- [RCP-TX7 Remote Control Panel](rcp-tx7.md) - summary, specifications,
+  feature map, manuals, service manual leads, and protocol notes.
+- [Related Equipment and Cables](related-equipment.md) - CCU-TX7, CCU-D50,
+  CCA-7 cables, camera families, and why those documents matter.
+- [Research Notes](research-notes.md) - unresolved questions, likely next steps,
+  and practical notes for repair/protocol reverse engineering.
+
+## High-Value Starting Points
+
+1. RM-M7G service manual on ManualsLib:
+   <https://www.manualslib.com/manual/3397442/Sony-Rm-M7g.html>
+2. Official Sony RCP-TX7 operating instructions PDF:
+   <https://pro.sony/s3/cms-static-content/operation-manual/3859859131.pdf>
+3. RCP-TX7 operating instructions on ManualsLib:
+   <https://www.manualslib.com/manual/800089/Sony-Rcp-Tx7.html>
+4. CCU-TX7 service manual on ManualsLib:
+   <https://www.manualslib.com/manual/1068508/Sony-Ccu-Tx7.html>
+5. Official Sony CCU-D50 operating instructions PDF:
+   <https://pro.sony/s3/cms-static-content/operation-manual/3620534151.pdf>
+
+## Scope Notes
+
+- The public trail is strongest for manuals and related CCU documentation.
+- Exact forum repair discussions for RM-M7G and RCP-TX7 appear sparse.
+- The control connector is repeatedly described as a 10-pin remote interface
+  using an RS-232C-style/proprietary Sony protocol. The electrical pinout and
+  higher-level command protocol should be verified from service manuals before
+  connecting custom hardware.
+