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M471 — Stereo Input Module
Type module
Category INPUT-PRE-AMPS
Try it simulator & front panel · download package (zip)
Earliest dated evidence 1977|10 — used in a dated job
Evidence job 77012
Confidence low (in use by)
All years found 1977|10, 1982|15, 1985|18
Used in jobs 77012 (1977|10)
Variants M471A, M471C
Folder Consoles/1970-1979/77012 - 04-002 L2042 layout iss 5
Folder DOCUMENTS/RECENT SCANS/WBSps.ca 20210317 - Large pile of D
Folder DOCUMENTS/RECENT SCANS/WBSps.ca 20210320 - Scans

Connections

What it is made of and what it is part of.

Pinout & connections

No page of its own numbers M471's contacts: these are its variant M471C's, drawn faded — not confirmed for M471.

CONNECTOR P1 · 1–22NUMBERED SIDE · AS ON M471CP1-1: signal not read used on a schematic, signal not read · confidence variant (from a variant) schematic · 1979 - M471C - 40 - St Pre-amp Layout.jpg, p. 1 “358 dst Rs9 13 a40 2K2 V/24 A41 377 1 1 3 2 4-C175 Rlb 345 WBS RI9 R46 ISSUE 13 CANADA Rzo R47 375 R4827k R4gE6K R7601 Rzi27k Rzzegk c8 czo (C1O 68/6 'R2327 RS2”1signal not read?23456789101112131415161718192021P1-22: signal not read used on a schematic, signal not read · confidence variant (from a variant) schematic · 1979 - M471C - 29 - Layout.jpg, p. 1 “2K2 12h 7123- 3to 571213k4 FR1192 R115 R12z Eo k 471zo 38H 331z RIM 3 AMo_ 2*2 1/24 2 JCCK 9vLB C5B RIS VIO 10/25 Rios 0. vio0 caI- 4[48 Ri0y 393 25k C59 9ki R1”22signal not read?
CONNECTOR P2 · 1–22NUMBERED SIDE · AS ON M471CP2-1: signal not read used on a schematic, signal not read · confidence variant (from a variant) schematic · 1979 - M471C - 29 - Layout.jpg, p. 1 “2K2 12h 7123- 3to 571213k4 FR1192 R115 R12z Eo k 471zo 38H 331z RIM 3 AMo_ 2*2 1/24 2 JCCK 9vLB C5B RIS VIO 10/25 Rios 0. vio0 caI- 4[48 Ri0y 393 25k C59 9ki R1”1signal not read?234567891011121314151617181920P2-21: signal not read used on a schematic, signal not read · confidence variant (from a variant) schematic · 19xx - 2042-02-001 - K2042S 1 AND K2042S 2 INPUT AND EQUALIZER SCHEMATIC - ISS 1.jpg, p. 1 “P2 - 21”21signal not read?P2-22: signal not read used on a schematic, signal not read · confidence variant (from a variant) schematic · 1979 - M471C - 26 - Layout.jpg, p. 1 “P2-22”22signal not read?
CONNECTOR (NOT NAMED) · 1–22NUMBERED SIDE · AS ON M471C1234567891011121314151617181920: COMMON RETURN FOR THE 1/-25 VOLT SUPPLIES ground / common · confidence variant (from a variant) prose · 1979 - M471C - 14 - 4-3.jpg, p. 1 “The common return for the 1/-25 volt supplies main chassis frame connection P2 pin 22 _ P2 pin 20 . 0-3”20COMMON RETURN FOR THE …GND21: OUTPUT FROM THE PREAMPLIFIER audio out · confidence variant (from a variant) prose · 1985 - M471C - Stereo Input Module.pdf, p. 12 “Filters and the stereo mode switch Refer to the 5A14-075 description for complete details The output from the preamplifier appears at the equalizer insert poin…”21OUTPUT FROM THE PREAMP…OUT22: COMMON RETURN FOR THE 1/-25 VOLT SUPPLIES ground / common · confidence variant (from a variant) prose · 1979 - M471C - 14 - 4-3.jpg, p. 1 “The common return for the 1/-25 volt supplies main chassis frame connection P2 pin 22 _ P2 pin 20 . 0-3”22COMMON RETURN FOR THE …GND
KEYOUT audio outGND ground / common? used on a schematic, signal not readvariant
M471 — Stereo Input Modulepins as on its variant M471C (not confirmed for M471)M471STEREO INPUTMODULEOUTPUT FROM THE …21COMMON RETURN… 20·22CONNECTED TO · CONSOLES & JOBS (1)7701204-002 L2042 layout iss 5 ·…MADE OF · SUB-ASSEMBLIES (2)8-109Booster Amplifier Component…SA14-075SA14-075 STEREO PREAMPLIFIE…DRAWN WITH · MODULES (2)M471Aon 2 drawings with itM471Con 1 drawing with it

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

Pin evidence — 8 contacts
PinSignalKindConfidenceRead fromSource
20COMMON RETURN FOR THE 1/-25 VOLT SUPPLIESground / commonvariantprose1979 - M471C - 14 - 4-3.jpg, p. 1
“The common return for the 1/-25 volt supplies main chassis frame connection P2 pin 22 _ P2 pin 20 . 0-3”
21OUTPUT FROM THE PREAMPLIFIERaudio outvariantprose1985 - M471C - Stereo Input Module.pdf, p. 12
“Filters and the stereo mode switch Refer to the 5A14-075 description for complete details The output from the preamplifier appears at the e…”
22COMMON RETURN FOR THE 1/-25 VOLT SUPPLIESground / commonvariantprose1979 - M471C - 14 - 4-3.jpg, p. 1
“The common return for the 1/-25 volt supplies main chassis frame connection P2 pin 22 _ P2 pin 20 . 0-3”
P1-1—used on a schematic, signal not readvariantschematic1979 - M471C - 40 - St Pre-amp Layout.jpg, p. 1
“358 dst Rs9 13 a40 2K2 V/24 A41 377 1 1 3 2 4-C175 Rlb 345 WBS RI9 R46 ISSUE 13 CANADA Rzo R47 375 R4827k R4gE6K R7601 Rzi27k Rzzegk c8 czo…”
P1-22—used on a schematic, signal not readvariantschematic1979 - M471C - 29 - Layout.jpg, p. 1
“2K2 12h 7123- 3to 571213k4 FR1192 R115 R12z Eo k 471zo 38H 331z RIM 3 AMo_ 2*2 1/24 2 JCCK 9vLB C5B RIS VIO 10/25 Rios 0. vio0 caI- 4[48 Ri…”
P2-1—used on a schematic, signal not readvariantschematic1979 - M471C - 29 - Layout.jpg, p. 1
“2K2 12h 7123- 3to 571213k4 FR1192 R115 R12z Eo k 471zo 38H 331z RIM 3 AMo_ 2*2 1/24 2 JCCK 9vLB C5B RIS VIO 10/25 Rios 0. vio0 caI- 4[48 Ri…”
P2-21—used on a schematic, signal not readvariantschematic19xx - 2042-02-001 - K2042S 1 AND K2042S 2 IN…, p. 1
“P2 - 21”
P2-22—used on a schematic, signal not readvariantschematic1979 - M471C - 26 - Layout.jpg, p. 1
“P2-22”

Pictures

1977 - 77012 - DOC - 77012-04-011 - FADERS SPACE FOR MOTION CONTROL ISSU.jpg1979 - M471 - 001.png1979 - M471 - 002.png1982 - 471-01-002 - M471A STEREO INPUT MODULE FUNCTIONAL DIAGRAM - DRN D.N.-82 - ENG PC - ISS 1.jpg1982 - 471-04-007 - M471A STEREO INPUT MODULE ASSEMBLY - DRN DN - ENG PC - ISS 1.jpg1985 - 471-02-001 - STEREO INPUT MODULE SCHEMATIC - DRN JEI - ENG PC - ISS 3.jpg19xx - DOC - 471-02-001 - UNLESS SPECIFIED OTHERWISE USE PCE.jpg19xx - DOC - 471-02-001 - STEREO INPUT MODULE SCHEMATIC.jpg19xx - 471-01-002.jpg19xx - 471-01-004 - M471C STEREO INPUT MODULE FUNCTIONAL - ISS 1.jpg19xx - 471-01-004 - STEREO INPUT MODULE FUNCTIONAL - ISS 1.jpg19xx - 471-02-003 - STEREO INPUT MODULE SCHEMATIC - ISS 1.jpg19xx - 471-04-004 - STEREO INPUT MODULE MODULE LAYOUT - ISS 1.jpg19xx - 471-04-004.jpg19xx - 471-06-002.jpg1985 - 77012-04-011 - WBS L2042 CONSOLE (STEREO VERSION B) LAYOUT - DRN GEB - ENG GEB - ISS 2.jpg1985 - M471A - 471-01-002 - CONTROL COMMON PRE POST.jpg1985 - M471A - 471-02-002 - UNLESS SPELIFIEO OTHERWISE.jpg1985 - M471A - 471-04-006 - STEREO INPUT MODULE.jpg19xx - M471A - DOC - 471-04-006 - STEREO INPUT MODULE.jpg1985 - M471A - 471-04-007 - STEREO INPUT MODULE.jpg1985 - M471A - 471-04-008 - ENG STEREO INPUT MODULE.jpg1985 - M471A - 471-06-002 - FINIS INPUT MODULE.jpg

Photos & scans (19)

Year File
1977|10 1977 - 77012 - DOC - 77012-04-011 - FADERS SPACE FOR MOTION CONTROL ISSU.jpg note
1977|10 1977 - DOC - 77012-04-011 - FADERS SPACE FOR MOTION CONTROL ISSU.jpg note
1977|10 1977 - M471 - DOC - 77012-04-011 - FADERS SPACE FOR MOTION CONTROL ISSU.jpg note
1979|12 1979 - M471 - 001.png note
1979|12 1979 - M471 - 002.png note
1982|15 1982 - 471-01-002 - M471A STEREO INPUT MODULE FUNCTIONAL DIAGRAM - DRN D.N.-82 - ENG PC - ISS 1.jpg note
1982|15 1982 - 471-04-007 - M471A STEREO INPUT MODULE ASSEMBLY - DRN DN - ENG PC - ISS 1.jpg note
1985|18 1985 - 471-02-001 - STEREO INPUT MODULE SCHEMATIC - DRN JEI - ENG PC - ISS 3.jpg note
? 19xx - DOC - 471-02-001 - UNLESS SPECIFIED OTHERWISE USE PCE.jpg note
? 19xx - DOC - 471-02-001 - STEREO INPUT MODULE SCHEMATIC.jpg note
? 19xx - 471-01-002.jpg note
? 19xx - 471-01-004 - M471C STEREO INPUT MODULE FUNCTIONAL - ISS 1.jpg note
? 19xx - 471-01-004 - STEREO INPUT MODULE FUNCTIONAL - ISS 1.jpg note
? 19xx - 471-02-003 - STEREO INPUT MODULE SCHEMATIC - ISS 1.jpg note
? 19xx - 471-04-004 - STEREO INPUT MODULE MODULE LAYOUT - ISS 1.jpg note
? 19xx - 471-04-004.jpg note
? 19xx - 471-06-002.jpg note
? 19xx - M471 - DOC - 471-02-001 - STEREO INPUT MODULE SCHEMATIC.jpg note
? 19xx - M471 - DOC - 471-02-001 - UNLESS SPECIFIED OTHERWISE USE PCE.jpg note

Sub-assemblies & parts used (2)

Item What Family Year How we know
8-109 Booster Amplifier Component Layout Sub-assemblies (n-nnn) 1974|7 named in its manual
SA14-075 SA14-075 STEREO PREAMPLIFIER ASSEMBLY / COMPONENT LAYOUT Circuit boards (SA14-nnn) named in its manual

Consoles & jobs it is connected to (1)

Their own drawings name this module.

Job Year Drawing Page
77012 1977|10 1985 - 77012-04-011 - WBS L2042 CONSOLE (STEREO VERSION B) LAYOUT - DRN GEB - ENG GEB - ISS 2.jpg 1

Named in other drawings & documents (4)

File Page
1979 - M471C - Stereo Input Module.pdf 9
1979 - M471C - Stereo Input Module.pdf 12
1979 - M471C - Stereo Input Module.pdf 15
1985 - M471A - Stereo Input Module (2).pdf 20

Drawings (24)

Each scan with its trace laid over it: the slider runs from the scan to the vector drawing. Click one to see it large and save it as SVG, DXF, KiCad, PDF or PowerPoint.

B 471-01-002 · functional · 1982|15
M471A / STEREO INPUT MODULE / FUNCTIONAL DIAGRAMviewer
471-01-002 · functional · 1985|18
Common Preipost Summing Bus Outputs Auxviewer
B 471-01-002 · functional
19xx - 471-01-002viewer
B 471-01-004 · functional
M471C STEREO INPUT MODULE / FUNCTIONALviewer
B 471-01-004 · functional
STEREO INPUT MODULE / FUNCTIONALviewer
471-02-002 · schematic · 1985|18
Stereo Input Moduleviewer
B 471-02-001 · schematic · 1985|18
M471 / STEREO INPUT MODULE / SCHEMATICviewer
471-02-001 · schematic
Stereo Input Module Schematicviewer
471-02-001 · schematic
Unless Specified Otherwise Use Pceviewer
B 471-02-003 · schematic
STEREO INPUT MODULE / SCHEMATICviewer
471-06-002 · component layout · 1985|18
Finis Input Moduleviewer
B 471-06-002 · component layout
19xx - 471-06-002viewer
77012-04-011 · connector layout · 1977|10
Faders Space For Motion Control Issuviewer
B 471-04-007 · connector layout · 1982|15
M471A / STEREO INPUT MODULE / ASSEMBLYviewer
471-04-006 · connector layout · 1985|18
Stereo Input Moduleviewer
471-04-007 · connector layout · 1985|18
Chon Booster Amp Rieht Booster Amp Left Issuviewer
471-04-008 · connector layout · 1985|18
Eng Stereo Input Moduleviewer
471-04-006 · connector layout
Stereo Input Moduleviewer
B 471-04-004 · connector layout
STEREO INPUT MODULE / MODULE LAYOUTviewer
B 471-04-004 · connector layout
19xx - 471-04-004viewer

Read from the drawing title blocks.

Drawing Title Date Drawn by Checked by Iss. Source
B 471-01-002 M471A / STEREO INPUT MODULE / FUNCTIONAL DIAGRAM 1982|15 DN PC 1 file
B 471-04-007 M471A / STEREO INPUT MODULE / ASSEMBLY 1982|15 PC 1 file
B 471-02-001 M471 / STEREO INPUT MODULE / SCHEMATIC 1985|18 PC 3 file
471-01-002 Control Common Pre Post DN 3 file
471-01-002 Control Common Summing Pre/Post DN B file p.19
471-01-002 Common Preipost Summing Bus Outputs Aux file p.19
471-02-001 Unless Specified Otherwise Use Pce file
471-02-001 Stereo Input Module Schematic APR file
471-02-002 Unless Spelifieo Otherwise U file
471-02-002 Waad-Beck Ayatetm Lto Mounted Over Pin 2 file p.22
471-04-006 Stereo Input Module U file
471-04-006 Stereo Input Module B file
471-04-007 Stereo Input Module file
471-04-007 Choh Booster Amp Right Booster Amp Left Issu U file p.21
471-04-008 Eng Stereo Input Module CDM A file
471-06-002 Finis Input Module file
77012-04-011 Faders Space For Motion Control Issu U file
B 471-01-002 file
B 471-01-004 STEREO INPUT MODULE / FUNCTIONAL 1 file
B 471-01-004 M471C STEREO INPUT MODULE / FUNCTIONAL 1 file
B 471-02-003 STEREO INPUT MODULE / SCHEMATIC 1 file
B 471-04-004 STEREO INPUT MODULE / MODULE LAYOUT 1 file
B 471-04-004 file
B 471-06-002 file
An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M471.md