M460D — Input Module Schematic


Type	module
Category	INPUT-PRE-AMPS
Try it	simulator & front panel
Earliest dated evidence	1974\|7 — estimate from a dated variant
Evidence	from M460L
Confidence	family
Variants	M460, M460A, M460B, M460C, M460E, M460F, M460K, M460L, M460LA, M460M, M460T
Folder	Modules/INPUT-PRE-AMPS/M460D

Front panel

Pinout & connections

No page of its own numbers M460D's contacts: these are its variant M460A's, drawn faded — not confirmed for M460D.

pinout (SVG) · connections (SVG) · pins (JSON)

Pin evidence — 76 contacts

Pin	Signal	Kind	Confidence	Read from	Source
P1-A	MIC IN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-1	MIC IN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-J	RS2	named, kind not clear	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 8 of the drawing, left of the pin column”
P1-8	RS2	named, kind not clear	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 8 of the drawing, right of the pin column”
P1-K	RS1	named, kind not clear	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 9 of the drawing, left of the pin column”
P1-9	RS1	named, kind not clear	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 9 of the drawing, right of the pin column”
P1-L	PFL	audio bus / pair	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 10 of the drawing, left of the pin column”
P1-10	PFL	audio bus / pair	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 10 of the drawing, right of the pin column”
P1-M	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 11 of the drawing, left of the pin column”
P1-11	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 11 of the drawing, right of the pin column”
P1-N	SOLO	audio bus / pair	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 12 of the drawing, left of the pin column”
P1-12	SOLO	audio bus / pair	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 12 of the drawing, right of the pin column”
P1-P	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 13 of the drawing, left of the pin column”
P1-13	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 13 of the drawing, right of the pin column”
P1-R	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 14 of the drawing, left of the pin column”
P1-14	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 14 of the drawing, right of the pin column”
P1-S	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 15 of the drawing, left of the pin column”
P1-15	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 15 of the drawing, right of the pin column”
P1-T	ATT. TN SHIELD TIE	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 16 of the drawing, left of the pin column”
P1-16	ATT . IN SHIELD TIE	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 16 of the drawing, right of the pin column”
P1-U	LINE IN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-17	LINE IN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-V	ATT OUT SHIELD TIE	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 18 of the drawing, left of the pin column”
P1-18	ATT	named, kind not clear	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 18 of the drawing, right of the pin column”
P1-W	FADER RETURN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-19	FADER RETURN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-X	CH ON SWITCH OUT	control / tally	variant	rto-144	M460A.rto144.json, p. 1
P1-20	CH ON SWITCH OUT	control / tally	variant	rto-144	M460A.rto144.json, p. 1
P1-Y	INSERT RETURN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-21	INSERT RETURN	audio in	variant	rto-144	M460A.rto144.json, p. 1
P1-Z	INSERT OUT	audio out	variant	rto-144	M460A.rto144.json, p. 1
P1-22	INSERT OUT	audio out	variant	rto-144	M460A.rto144.json, p. 1
P2-A	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 1 of the drawing, left of the pin column”
P2-1	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 1 of the drawing, right of the pin column”
P2-B	GND	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 2 of the drawing, left of the pin column”
P2-2	GND	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 2 of the drawing, right of the pin column”
P2-C	LEFT OUT	audio out	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 3 of the drawing, left of the pin column”
P2-3	LEFT OUT	audio out	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 3 of the drawing, right of the pin column”
P2-D	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 4 of the drawing, left of the pin column”
P2-4	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 4 of the drawing, right of the pin column”
P2-E	BUS RIGHT OUT	audio out	variant	rto-144	M460A.rto144.json, p. 1
P2-5	BUS RIGHT OUT	audio out	variant	rto-144	M460A.rto144.json, p. 1
P2-F	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 6 of the drawing, left of the pin column”
P2-6	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 6 of the drawing, right of the pin column”
P2-H	GND	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 7 of the drawing, left of the pin column”
P2-7	GND	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 7 of the drawing, right of the pin column”
P2-J	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 8 of the drawing, left of the pin column”
P2-8	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 8 of the drawing, right of the pin column”
P2-K	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 9 of the drawing, left of the pin column”
P2-9	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 9 of the drawing, right of the pin column”
P2-L	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 10 of the drawing, left of the pin column”
P2-10	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 10 of the drawing, right of the pin column”
P2-M	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 11 of the drawing, left of the pin column”
P2-11	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 11 of the drawing, right of the pin column”
P2-N	DIRECT OUT	audio out	variant	rto-144	M460A.rto144.json, p. 1
P2-12	DIRECT OUT	audio out	variant	rto-144	M460A.rto144.json, p. 1
P2-P	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 13 of the drawing, left of the pin column”
P2-13	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 13 of the drawing, right of the pin column”
P2-R	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 14 of the drawing, left of the pin column”
P2-14	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 14 of the drawing, right of the pin column”
P2-S	NC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 15 of the drawing, left of the pin column”
P2-15	IC	not / internally connected	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 15 of the drawing, right of the pin column”
P2-T	PA CONTROL	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 16 of the drawing, left of the pin column”
P2-16	PFL CONTROL	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 16 of the drawing, right of the pin column”
P2-U	MUTE CONTROL	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 17 of the drawing, left of the pin column”
P2-17	MUTE CONTROL	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 17 of the drawing, right of the pin column”
P2-V	SOLO CONTROL	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 18 of the drawing, left of the pin column”
P2-18	COMMON	ground / common	variant	rto-144	M460A.rto144.json, p. 1
P2-W	CH ON	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 19 of the drawing, left of the pin column”
P2-19	-25 V	power rail	variant	rto-144	M460A.rto144.json, p. 1
P2-X	CONTROL COM	ground / common	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 20 of the drawing, left of the pin column”
P2-20	COMMON	ground / common	variant	rto-144	M460A.rto144.json, p. 1
P2-Y	+24 V	power rail	variant	rto-144	M460A.rto144.json, p. 1
P2-21	+25 V	power rail	variant	rto-144	M460A.rto144.json, p. 1
P2-Z	CH. ON LAMP	control / tally	variant	drawing rows	1977 - M460A - 460-04-004 - KYYS CONNECTOR RE…, p. 1 “row 22 of the drawing, left of the pin column”
P2-22	CHASSIS	ground / common	variant	rto-144	M460A.rto144.json, p. 1

Pictures

1974 - M460D - Input Module Schematic.jpg

Photos & scans (1)

Year	File
1974\|7	1974 - M460D - Input Module Schematic.jpg	note

An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M460D.md