Industry-Compatible intercom construction project

	System Description and Theory of Operation
	Photos of my finished units Mechanical drawings
	Schematic Diagram Circuit description
	Printed Circuit Board Layout    PC Board Source
	Parts List & Source Component Layout
	Power Supply Interfacing to Sony CCUs
	First Generation web pages (historic archive)

rcrowley.com ComClone

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© 2002 Richard Crowley
Updated 26 Apr 2004