DDA qmr Schematic
QMR
Schematics
Klark Teknik Building
Walter Nash Road
Kidderminster
Worcestershire
DY11 7HJ
Tel: +44 (0) 1562 741515
Fax: +44 (0) 1562 745371
Email: info@uk.telex.com
Website: www.ddaconsoles.com
QMR Schematics
Telex Communications (UK) Limited
In line with the company’s policy of continual improvement, specifications and function maybe subject
to change without notice. This Operator Manual was correct at the time of writing. E&OE.
Date: July 29, 1993 Sheet 1 of 1
Size Document Number REV
D CD1151-2 C
Title
QMR STANDARD INPUT
DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND.
12
13
14
IC3D
TL074
C20
33P
C21
33P
C19
470N
C18
470N
R36
47K
R35
47K
1 2
3
VR3
10KBR33
1K2
R34
1K2
SPLIT EQ
HF/LF EQ
10
9
8
IC3C
TL074
C17
33P
C16
3N3
R29
1K5
R31
47K
R30
1K5
R32
47K
S5
4PSUJ
1 2
3
VR2
10KB
HIGH PASS
5
6
7
IC3B
TL074
C15
100U
16V
C14
100N
R27
30K
R26
15K
R28
10K
S4
2PSUJ
0 REV
HIGH PASS FILTER
3
2
1
4
1
1
IC3A
TL074
C11
33P
C12
100U
16V
C13
100N
R22
10K
R23
75R
R24
10K
R25
10K
S3
2PSUJ
V-
V+
0 REVERSEMIC/LINE GAIN
5
6
7
IC2B
TL072
C9
33P
C10
100U 16V
R14
10K
R17
75R
R18
330R
R15
1K5 R20
1K5
R16
220K
R19
75R
R21
10K
LED2
4
5
6
VR1B
5KRD
MPREGAIN
MIC/LINE
LED1
GRN
C7
1000U
6.3V
C8
100U
16V
R12
10R
LED1
1 2
3
VR1A
5KRD
S2
6PSUJ
R170
100K
MIC INPUT
3
2
6
5
1
8
7
4
IC1
SSM2017
C4
220P
C2
33U
63V
R9
24K
MICAMPV+
R6(OPT)
2K2
R7
12K
D1
12V
D2
12V
-20dB
+48V
MIC
R167
360R
C1
2U2
63V
S1
2PSUJ
S22
2PSUJ
1
2
3
CON14
3WAY
MH
LK1
+48V
8 2
6 4
1
T1 (OPT)
NTM1
R1
470R
R3
6K8
R2
6K8
R4
1K8
C66
10N
R166
33R
LK2
R5
1K8
C3
33U
63V
MICAMPV-
R8
12K
D3
12V
D4
12V
LINE INPUT
R13
10K
MID EQ
3
2
1
8
4
IC4A
TL072
5
6
7
IC4B
TL072
C27
33P
R38
10K
R39
10K
R42
10K
V-
V+
MPOSTGAIN
EQ
LED2
RED
C28
100U
16V
C29
100U
16V
R43
10K
R46
75R
R49
10K
S6
2PSUJ
LED2 LED3
INSERT
SEND
3
2
1
8
4
IC5A
NE5532
C32
100U
16V
R51
75R
V+
DIRECT
C33
100U
16V
R56
10K
R57
10K
S7
2PSUJ
DIRECT OUT
5
6
7
IC5B
NE5532
C22
100U
16V
C36
100U
16V
R37
10K
R59
75R
C35
33P
R63
75R
R60
10K
R61
10K
R62
10K
S15
2PSUJ
BUS2
BUS1
R98
10K
R99
10K
C34
33P
R58
10K
C31
33P
R50
10K
R52
10K
R54
10K
R55
75R
V-
R53
10K
C30
33P
R47
10K
R48
10K
METERINPUT
1
2
3
VR7
10KB
C24
2N2
4N7
C25
33N
C26
15N
R40
3K3
R41
3K3
R44
3K3
R45
3K3
1
2
3
VR4A
100KC
4
5
6
VR4B
100KC
1
2
3
VR6A
100KC
4
5
6
VR6B
100KC
1
2
3
VR5
10KB
LINK FOR -10dBV
3
2
1
8
4
IC2A
TL072
C38
33P
C39
100U
16V
R69
75R
R71
1K
R72
10K
LK3
V+
V-
R68
3K
R70
3K
PATCHBAY
C37
33P
S24
4PSUJ
R66
3K
R67
3K
R64
12K
R65
12K
LINE
INSERT
RN
TN
S
T
R
RN
TN
S
T
R
1
2
3
4
5
CON2
1/4JACK
1
2
3
4
5
CON3
1/4JACK
RN
TN
S
T
R
DIRECT
SEND
RETURN
DIRECT
LINE SEND
1
2
3
4
5
CON4
1/4JACK
1 2
3 4
5 6
7 8
9 10
CON13
10WAY
IDCMH
RETURNINSERT
3
2
1
8
4
IC6A
TL072
C40
33P
C41
33P
V+
V-
R73
12K
R74
12K
R75
12K
R76
12K
V+
14
AI
4
AO
6
AC
2
BI
11
BO
9
BC
13
V-
7
0V
1
0V
3
0V
5
0V
12
0V
10
0V
8
IC12
SSM2402
C42
100U
16V
R78
10K
R77
75R
V+
V-
FADER BUFFER
C43
220N
R79
220K
R80
680K
3
2
1
8
4
IC7A
NE5532
C44
33P
C45
220U
25V
R81
4K7
R83
3K6
R82
75R
V+
V-
R84
22K
R90
4K7
R88
10K
R85
22R
3
2
1
8
4
IC8A
TL072
C46
33P
C47
100U
16V
R91
3K3
R92
75R
R93
100K
V-
V+
S16
2PSUJ
S17
2PSUJ
S18
2PSUJ
BUS7
BUS6
BUS5
BUS4
BUS3
R100
10K
R101
10K
R102
10K
R103
10K
R104
10K
R105
10K
S19
2PSUJ
S20
2PSUJ
BUS12
BUS11
BUS10
BUS9
BUS8
R106
10K
R107
10K
R108
10K
R109
10K
5
6
7
IC8B
TL072
C48
33P
C49
100U
16V
R95
3K3
R97
100K
R96
75R
PAN BUFFER
R89
10K
R86
22K
R87
33R
R94
4K7
1
2
3
VR8A
10KB
4
5
6
VR8B
10KB
FADER
TO
1
2
3
CON10
3WAY
MH
GROUND
WIPER
TOP
FADER LINK CABLE
1
2
3
CON8
3WAY
MH
1
2
3
CON9
3WAY
MH
1
2
3
4
5
6
7
8
9
10
CON11
10WAY
MHL
MIDI MUTE
MUTE OUT
MUTE RET
0VD
1
2
3
CON6
3WAY
MH
VDDVDD
D
5
Q
1
CLK
3
Q
2
R
4
S
6
IC11A
4013
R127
2K2
R128
1K
LK12
LK11
LOW TO CUT
HIGH TO CUT
PATCHBAY
INTERFACE
CUT SWITCH
LINE RETURN
CUT C56
47N
R126
100K
1
2
3
CON5
3WAY
MH
S25
2PSUJ MOM
VDD
VDD
RESET
TR1
BC182
C57
22U
25V
R132
100K
+48V
DIG0V
VDD
CUT LAMP
ON LAMP
TR2
BC182
R129
4K7
R130
150K
R131
100K
LK14
LK13
+48V
VDD
VDD
LK10
MPREGAIN
MPOSTGAIN
LK16
LK17
MOMENTARY
TR3
BC212
TR4
BC182
R133
100K
R134
100K
R136
100K
LED3
LED4
R135
100K
V-LED
LED3
GRN
PRE
R138
75R
1
2
3
CON12
3WAY
MH
S8
2PSUJ
V+LED V+LED
D5
AUX1-2
FX RETURN
C50
220N
S23
2PSUJ
1
2
3
VR9
20KA
5
6
7
IC7B
NE5532
C51
33P
C52
220U
25V
R122
75R
R123
10K
R120
680K
FX RETURN
POST
PRE
S14
4PSUJ
LK4
LK5
MIXREFSW1
1
2
3
VR13A
10KB
R124
2K4
LED5
GRN
S21
4PSUJ
LED5 LED6
RMIX
LMIX
R110
4K7
R111
4K7
R112
4K7
R113
4K7
AUX1
AUX2
AUX3
AUX4
AUX5
AUX6
R114
4K7
R115
4K7
R116
4K7
R117
4K7
R118
4K7
R119
4K7
MIXREFSW2
4
5
6
VR13B
10KB
R125
2K4
AUX5
AUX1-2 BUFFER
R121
4K7
S12
2PSUJ
AUX3
AUX4
AUX5-6
1
2
3
VR12
20KA
1
2
3
VR11
20KA
1
2
3
VR10
20KA
PRE
POST
LED6
GRN
TR5
BC212
R137
33K
S9
2PSUJ
LK6
LK7
LED6
LED1
V-LED
D6
5
6
7
IC6B
TL072
R149
100K
R148
100K
R147
100K
R146
100K
R139
10K
R140
22K
R141
3K6
1
2
3
CON7
3WAY
MH
V+LED
PR1
5K
D7
18V
MAIN GROUND SPADE
C67
100U
16V
R145
100K
C64
22U
25V
1
PL1
VDD
DIG0V
VSS
V+
V+LED
MICAMPV+
MPREFADER
MPOSTFADER
LK18
LK19
METERINPUT
C60
220U
25V
C62
22U
25V
C61
220U
25V
C63
22U
25V
C65
22U
25V
R155
10R
R158
10R
R160
10R
R156
10R
C58
2U2
63V
C59
2U2
63V
VIN
1
0
V
2
VOUT
3
IC9
78L05
+18V
0V
AUX POT EARTH
PAN BUFFER EARTH
R157
10R
R161
10R
R159
10R
R169
1K
R163
1K R168
1K
R162
1K
-18V
MIXREFSW2
AUXREF
BUSREF
MIXREF MIXREFSW1
MWKGROUND
1 2 3 4 6 9
57
8
IC10
BA6144
R144
47K
C53
2U2
63V
V-LED V-LED
V-
V-LED
MICAMPV-
R142
15K
R143
910R
TR6
BC182
TR7
BC182
TR8
BC182
TR9
BC182
TR10
BC182
C55
22U
25V
R150
100K
R151
100K
R152
100K
R153
100K
R154
100K
C54
2U2
63V
V-LED
V-LED
V-LED
+17
+10
0
-7
-13 PRE
POST
PRE
LED7
GRN
LED8
GRN
LED9
GRN
LED10
RED
LK8
LK9
V-LED
MPREFADER
MPOSTFADER
SOLO
SOLO
R164
47K
R165
10K
S10
2PSUJ
LED4 LED5
SOLOENABLE
SOLOAUDIO
LED4
RED
AUX6
S13
2PSUJ
D
9
Q
13
CLK
11
Q
12
R
1
0
S
8
IC11B
4013
BUS8
BUS7
BUS6
BUS5
BUS4
BUS3
BUS2
BUS1
RMIX
LMIX
MIXREF
AUX6
AUX5
AUX2
AUX1
AUX4
AUX3
DIG0V
MWKGROUND
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
CON1
40WAY
IDCMH
0V
0V
0V
0V
+48V
-18V
-18V
-18V
+18V
+18V
+18V
SOLOAUDIO
SOLOENABLE
BUS12
BUS11
BUS10
BUS9
DIG0V
BUSREF
AUXREF
LAST R
LAST C
NOTES
R170
C67
PC1274-2
Date: August 2, 1993 Sheet 1 of 1
Size Document Number REV
D CD1152-2 C
Title
QMR STANDARD OUTPUT
DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND.
12
13
14
IC3D
TL074
C20
33P
C21
33P
C19
470N
C18
470N
R36
47K
R35
47K
1 2
3
VR3
10KBR33
1K2
R34
1K2
SPLIT EQ
HF/LF EQ
10
9
8
IC3C
TL074
C17
33P
C16
3N3
R29
1K5
R31
47K
R30
1K5
R32
47K
S5
4PSUJ
1 2
3
VR2
10KB
HIGH PASS
5
6
7
IC3B
TL074
C15
100U
16V
C14
100N
R27
30K
R26
15K
R28
10K
S4
2PSUJ
0 REV
HIGH PASS FILTER
3
2
1
4
1
1
IC3A
TL074
C11
33P
C12
100U
16V
C13
100N
R22
10K
R23
75R
R24
10K
R25
10K
S3
2PSUJ
V-
V+
0 REVERSEBUS/TAPE GAIN
5
6
7
IC2B
TL072
C9
33P
C10
100U 16V
R14
10K
R15
1K5 R20
1K5
R16
220K
R19
75R
R21
10K
R18
62R
LED2
4
5
6
VR1B
5KRD
MPREGAIN
BUS/TAPE
LED1
GRN
S2
4PSUJ
LED1
LINK FOR -10dBV
C4
33P
C3
100U
16V
LK15
R6
1K2
R7
10K
R10
3K3 R8
10K
R9
75R
C71
100N
5
6
7
IC14B
TL072
VA+
VA-
1
2
3
VR14
10KB
C1
33P
C2
22P
LK17
LK18
LK19
LK20
LK21
LK22
LK23
LK24
LK25
LK26
LK27
LK28
R1
75R
R2
100K
R4
10K
R5
75R
3
2
8 567
4
IC13
NE5534
BUSREF
BUS1
BUS2
BUS3
BUS4
BUS5
BUS6
BUS7
BUS8
BUS9
BUS10
BUS11
BUS12
VA-
VA+
R3
3K
PR3
50K
C7
100U 16V
C8
100U
16V
5 6
SIL1C
4K7
1
2
SIL1A
4K7
7 8
SIL1D
4K7
3
4
SIL1B
4K7
7 8
SIL2D
10K
C5
33P
3 4
SIL2B
10K
1 2
SIL2A
10K
5 6
SIL2C
10K
R11
75R
R12
75R
3
2
1
8
4
IC15A
NE5532
5
6
7
IC15B
NE5532
VA-
VA+
BUS INPUT
C68
33P
PR2
5K
R172
3K
R173
3K
R170
12K
R171
12K
LINK FOR -10dBV
R175
1K
R176
75R
R178
10K
C70
100U
16V
LK29
C69
33P
3
2
1
8
4
IC14A
TL072
V+
V-
R174
3K
R177
3K
MID EQ
3
2
1
8
4
IC4A
TL072
5
6
7
IC4B
TL072
C27
33P
R38
10K
R39
10K
R42
10K
V-
V+
MPOSTGAIN
EQ
LED2
RED
C28
100U
16V
C29
100U
16V
R43
10K
R46
75R
R49
10K
S6
2PSUJ
LED2 LED3
INSERT
SEND
3
2
1
8
4
IC5A
NE5532
C32
100U
16V
R51
75R
V+
DIRECT
C33
100U
16V
R56
10K
R57
10K
S7
2PSUJ
DIRECT OUT
5
6
7
IC5B
NE5532
C22
100U
16V
C36
100U
16V
R37
10K
R59
75R
C35
33P
R98
10K
R99
10K
R63
75R
R60
10K
R61
10K
R62
10K
S15
2PSUJ
BUS2
BUS1
C34
33P
R58
10K
C31
33P
R50
10K
R52
10K
R54
10K
R55
75R
R53
10K
V-
C30
33P
R47
10K
R48
10K
METERINPUT
1
2
3
VR7
10KB
C24
2N2
C25
33N
C26
15N
R40
3K3
R41
3K3
R44
3K3
R45
3K3
C23
4N7
1
2
3
VR4A
100KC
4
5
6
VR4B
100KC
1
2
3
VR6A
100KC
4
5
6
VR6B
100KC
1
2
3
VR5
10KB
LINK FOR -10dBV
3
2
1
8
4
IC2A
TL072
C38
33P
C39
100U
16V
R69
75R
R72
10K
R71
1K
LK3
V+
V-
R66
3K
R67
3K
R68
3K
R70
3K
TAPE INPUT
PATCHBAY
S24
6PSUJ
C37
33P
R64
12K
R65
12K
DIRECT
SEND
RETURN
PATCHBAY
INTERFACE
LINE RETURN
LINE SEND
BUS SEND
BUS RET
C6
33P
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
CON16
16WAY
INSERT
RN
TN
S
T
R
TAPE
RN
TN
S
T
R
T
TN
RN
R
S
BUS
MON
MON
1
2
3
4
5
CON3
1/4JACK
1
2
3
4
5
CON2
1/4JACK
1
2
3
4
5
CON15
1/4JACK
RETURNINSERT
BUS
XLR
3
2
1
8
4
IC6A
TL072
C40
33P
C41
33P
1
2
3
CON13
3WAY
MH
V+
V-
R73
12K
R74
12K
R75
12K
R76
12K
V+
14
AI
4
AO
6
AC
2
BI
11
BO
9
BC
13
V-
7
0V
1
0V
3
0V
5
0V
12
0V
10
0V
8
IC12
SSM2402
C42
100U
16V
R78
10K
R77
75R
V+
V-
FADER BUFFER
C43
220N
R79
220K
R80
680K
3
2
1
8
4
IC7A
NE5532
C44
33P
C45
220U
25V
R81
4K7
R83
3K6
R82
75R
V+
V-
R84
22K
R90
4K7
R88
10K
R85
22R
3
2
1
8
4
IC8A
TL072
C46
33P
C47
100U
16V
R91
3K3
R92
75R
R93
100K
V-
V+
R100
10K
R101
10K
R102
10K
R103
10K
R104
10K
R105
10K
S16
2PSUJ
S17
2PSUJ
S18
2PSUJ
BUS7
BUS6
BUS5
BUS4
BUS3
R106
10K
R108
10K
R109
10K
R107
10K
S19
2PSUJ
S20
2PSUJ
BUS12
BUS11
BUS10
BUS9
BUS8
5
6
7
IC8B
TL072
C48
33P
C49
100U
16V
R95
3K3
R97
100K
R96
75R
PAN BUFFER
R89
10K
R86
22K
R87
33R
R94
4K7
1
2
3
VR8A
10KB
4
5
6
VR8B
10KB
FADER
TO
1
2
3
CON10
3WAY
MH
GROUND
WIPER
TOP
FADER LINK CABLE
1
2
3
CON9
3WAY
MH
1
2
3
4
5
6
7
8
9
10
CON11
10WAY
MHL
1
2
3
CON8
3WAY
MH
MIDI MUTE
MUTE OUT
MUTE RET
0VD
1
2
3
CON6
3WAY
MH
D
5
Q
1
CLK
3
Q
2
R
4
S
6
IC11A
4013
R127
2K2
R128
1K
LK11
LK12
RN
TN
S
T
R
DIRECT
CUT SWITCH
CUT
1
2
3
4
5
CON4
1/4JACK
C56
47N
R126
100K
1
2
3
CON5
3WAY
MH
S25
2PSUJ MOM
VDD
VDD
RESET
TR1
BC182
C57
22U
25V
R132
100K
+48V
DIG0V
VDD
CUT LAMP
ON LAMP
TR2
BC182
R129
4K7
R130
150K
R131
100K
LK10
LK13
LK14
+48V
VDD
VDD
TR3
BC212
TR4
BC182
R133
100K
R134
100K
R135
100K
R136
100K
LED3
LED4
VDDVDD
V+
V-LED
LED3
GRN
PRE
R138
75R
1
2
3
CON12
3WAY
MH
S8
2PSUJ
V+LED V+LED
D5
AUX1-2
FX RETURN
C50
220N
S23
2PSUJ
1
2
3
VR9
20KA
C51
33P
C52
220U
25V
R122
75R
R123
10K
R120
680K
5
6
7
IC7B
NE5532
FX RETURN
POST
PRE
S14
4PSUJ
LK4
LK5
MIXREFSW1
1
2
3
VR13A
10KB
R124
2K4
LED5
GRN
S21
4PSUJ
LED5 LED6
MIXL
MIXR
R110
4K7
R111
4K7
R112
4K7
R113
4K7
AUX1
AUX2
AUX3
AUX4
AUX5
AUX6
R114
4K7
R115
4K7
R116
4K7
R117
4K7
R118
4K7
R119
4K7
MIXREFSW2
4
5
6
VR13B
10KB
R125
2K4
AUX5
AUX1-2 BUFFER
R121
4K7
S12
2PSUJ
AUX3
AUX4
AUX5-6
1
2
3
VR10
20KA
1
2
3
VR11
20KA
1
2
3
VR12
20KA
PRE
POST
LED6
GRN
TR5
BC212
R137
33K
S9
2PSUJ
LK6
LK7
LED6
LED1
V-LED
D6
INTERNAL
METER
EXTERNAL
METER
5
6
7
IC6B
TL072
R149
100K
R148
100K
R147
100K
R146
100K
R139
10K
R140
22K
R141
3K6
1
2
3
CON7
3WAY
MH
1
2
3
4
CON14
4WAY
MH
PR1
5K
V+LED
V-
D7
18V
MAIN GROUND SPADE
C67
100U
16V
R145
100K
C64
22U
25V
1
PL1
DIG 0V
VDD
VSS
V+LED
VA+
V+
MPREGAIN
MPOSTGAIN
MPREFADER
MPOSTFADER
METERINPUT
LK30
LK31
LK32
LK33
C60
220U
25V
C61
220U
25V
C65
22U
25V
R155
10R
R158
10R
R160
10R
R156
10R
C58
2U2
63V
C59
2U2
63V
VIN
1
0
V
2
VOUT
3
IC9
78L05
+18V
0V
C62
220U
25V
C63
220U
25V
AUX POT EARTH
PAN BUFFER EARTH
R157
10R
R161
10R
R159
10R
R169
1K
R163
1K R168
1K
R162
1K
-18V
AUXREF
BUSREF
MIXREF MIXREFSW1
MIXREFSW2
MWKGROUND
1 2 3 4 6 9
57
8
IC10
BA6144
C53
2U2
63V
C66
10N
R166
33R
R144
47K
V-LED V -LED
V-LED
VA-
V-
R142
15K
R143
910R
TR6
BC182
TR7
BC182
TR8
BC182
TR9
BC182
TR10
BC182
C55
22U
25V
R150
100K
R151
100K
R152
100K
R153
100K
R154
100K
C54
2U2
63V
V-LED
V-LED
V-LED
+17
+10
0
-7
-13 PRE
POST
PRE
LED7
GRN
LED8
GRN
LED9
GRN
LED10
RED
LK8
LK9
V-LED
MPREFADER
MPOSTFADER
SOLO
SOLO
R164
47K
R165
10K
S10
2PSUJ
LED4 LED5
SOLOAUDIO
SOLOENABLE
LED4
YEL
AUX6
S13
2PSUJ
D
9
Q
13
CLK
11
Q
12
R
1
0
S
8
IC11B
4013
MWKGROUND
BUS8
BUS7
BUS6
BUS5
BUS4
BUS3
BUS2
BUS1
MIXR
MIXL
MIXREF
AUX6
AUX5
AUX2
AUX1
AUX4
AUX3
DIG0V
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
CON1
40WAY
IDCMH
0V
0V
0V
0V
+48V
-18V
-18V
-18V
+18V
+18V
+18V
SOLOAUDIO
SOLOENABLE
BUS12
BUS11
BUS10
BUS9
DIG0V
BUSREF
AUXREF
LAST R
LAST C
NOTES
R178
C71
PC1275-2
Date: August 9, 1993 Sheet 1 of 1
Size Document Number REV
D CD1156-2 A
Title
QMR MASTER MODULE
DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND.
TO CON2
LMIXOUT-
LMIXRET-
LMIXRET+
R28
75R
R29
75R
C16
33P
3
2
1
8
4
IC5A
NE5532
5
6
7
IC5B
NE5532
PR1
5K 1/4
5 6
SIL1C
4K7
1 2
SIL1A
4K7
7 8
SIL1D
4K7
3 4
SIL2B 10K
1 2SIL2A
10K
C18
100U 16V
C19
100U 16V
5 6
SIL2C
10K
V1-
V1+
REMOVE FOR
-10dBV
R26
2K
C15
100U
16V
R25
680K
3
2
1
8
4
IC4A
TL072
R27
910R
1 2
LK3
V1+
V1-
LEFT FADER
R24
10K
C12
33P
C13
100U
16V
123
CON7
3WAYMH
3
2
1
8
4
IC3A
NE5532
C14
220N
R23
10K
V1+
V1-
TO CON2
R21
10K
R22
10K
C11
33P
2
1
3
4
5
CON5
1/4JACK
PUSH FOR PATCHBAYSW8
4PSUJ
LSEND+
LSEND-
LRET+
LRET-
R8
10K
R9
10K
R10
75R
R16
10K
C3
33P
C4
33P
C5
100U
16V
5
6
7
IC3B
NE5532
R7
75R
R4
10K
R5
10K
R6
10K
MIX
LEFT
R2
100K
C1
22P
C2
33P
C6
22P
3
2
8 567
4
IC1
NE5534
R1
75R
R3
4K7
L1
0H
LMIX
MIXREF
V1+
V1-
MIX
RIGHT
R11
75R
R12
100K
C7
33P
3
2
8 567
4
IC2
NE5534
R13
4K7
L2
0H
MIXREF
RMIX
V1+
V1-
R14
10K
R15
10K
R17
75R
R18
10K
R19
10K
R20
75R
C8
33P
C9
33P
C10
100U
16V
5
67IC6B
NE5532
RSEND+
RSEND-
RRET+
RRET-
TO CON2
INSERT
LEFT
RIGHT
R31
10K
R32
10K
2
1
3
4
5
CON6
1/4JACK
RIGHT FADER
R33
10K
R34
10K
C22
33P
C23
100U
16V
123
CON8
3WAYMH
3
2
1
8
4
IC6A
NE5532
C24
220N
V1+
V1-
REMOVE FOR
-10dBV
R36
2K
C25
100U
16V
R35
680K
5
6
7
IC4B
TL072
R37
910R
1 2
LK4
R38
75R
C17
33P
C26 33P
3
2
1
8
4
IC7A
NE5532
PR2
5K 1/4
3 4
SIL1B
4K7 7 8
SIL2D 10K
C28
100U 16V
5 6
SIL3C
4K7
1 2
SIL3A
4K7
3 4
SIL4B 10K
1 2
SIL4A
10K
V1-
V1+
LEFT
RIGHT
TO CON2
PUSH FOR PATCHBAY
1
2
3
CON9
3WAYMH
1
2
3
CON10
3WAYMH
SW9
4PSUJ
LMIXOUT+
RMIXOUT-
RMIXOUT+
R91
10K
2
1
3
4
5
CON11
1/4JACK
C53
100U 16V
R88
75R
RMIXRET-
RMIXRET+
R39
75R
R87
10K
C27
33P
5
6
7
IC7B
NE5532
3
2
1
8
4
IC12A
NE5532
C29
100U 16V
C52
33P
7 8
SIL3D
4K7
3 4
SIL3B
4K7
5 6
SIL4C
10K
7 8
SIL4D 10K
R86
10K
V1+
V1-
C47 33P
C48
100U
16V
3
2
1
8
4
IC11A
TL072
R81
100K
R84
100K
R82
10K
V1-
V1+
R80
33K
SW2
6PSUJ
1
2
3
VR1A
10KA
TO METER
METER-
BRIDGE
NON
METERBRIDGE
R78
2K2
C21
33P
C43
33P
C44
100U
16V
3
2
1
8
4
IC10A
TL072
R76
10K
1
2
3
VR2A
10KA
1
2
LK7
1
2
LK8
V1-
V1+
TAPE
R49
10K
R50
10K
D1
GRN
TR1
J111
TR2
J111
SW1
4PSUJ
V1-
-10DBV
LINK FOR
R43
3K
R45
3K
R46
3K
R47
1K
C32
33P
C33
100U
16V
3
2
1
8
4
IC8A
TL072
R48
10K
R40
3K6
1 2
LK1
R44
3K
V1-
V1+
V1+TO CON2
R41
12K
R42
12K
C31
33P
LTPERET+
LTPERET-
LTPEOUT+
RTPEOUT-
RTPEOUT+
RTPERET+
RTPERET-
LTPEOUT-
PUSH FOR PATCHBAY
R51
12K
R52
12K
1
2
3
CON3
3WAYMH
1
2
3
CON4
3WAYMH
SW7
4PSUJ
C34
33P
-10DBV
LINK FOR
SOLO
LEVEL
R53
3K
R55
3K
R56
3K
R57
1K
R58
10K
C35
33P
C36
100U
16V
5
6
7
IC8B
TL072
R66
4K7
1
2
3
VR5
10KB
R54
3K
1 2
LK2
R59
10K
R60
10K
TR3
J111
TR4
J111
NON METERBRIDGE
NONMETER-
BRIDGE METERBRIDGE
R77
10K
R79
2K2
C45
33P
C46
100U
16V
1
2
3
CON17
3WAYMH
4
5
6
VR2B
10KA
5
6
7
IC10B
TL072
1
2
LK9
1
2
LK10
1 2
LK5
1 2
LK6
R83
33K
4
56VR1B
10KA
V+LED
D13
22V
C49 33P
C50
100U
16V
5
6
7
IC11B
TL072
R85
10K
V+LED V+LED
D14
22V
D15
22V
R90
10K
R93
10K
R94
10K
R97
10K
5
6
7
IC12B
NE5532
C55
33P
C51
33P
C54
33P
LEFT
MONITOR
MONITOR
LEFT
MONITOR
R89
10K
R92
75R
R96
10K
R98
10K
R99
75R
2
1
3
4
5
CON12
1/4JACK
C56
100U 16V
R95
75R
RIGHT
LEFT
MONITOR
ALTERNATE
R102
75R
R103
10K
R105
10K
R106
75R
2
1
3
4
5
CON13
1/4JACK
C59
100U 16V
R104
10K
HEADPHONES
R100
10K
3
2
1
8
4
IC13A
NE5532
SW3
4PSUJ
C58
33P
R101
10K
C57
33P
V1+
V1-
D21
GRN
D22
GRN
D23
GRN
D24
GRN
D25
GRN
D26
GRN
D27
GRN
C77
10U
16V
V-LED
R172
270K
C75
22U
25V
D16
RED
D17
RED
D18
RED
D19
RED
D20
GRN
V+
1
I
2
I
/
P
3
T
/
C
4
D
1
2
5
D
1
1
6
D
1
0
7
D
9
8
D
8
1
0
D
7
1
1
D
6
1
2
D
5
1
3
D
4
1
4
D
3
1
5
D
2
1
6
D
1
1
7
0
V
9
D
O
T
1
8
IC17
BA683A
R175
10K
PR4
5K
1/4V
R173
56K
R184
15K
C76
220N
0.2
V+LED
V-LED
V-LED
D12
22V
PFL/AFL
METERBRIDGE
VERSION
R75
4K7
TR11
BC182
D4
YEL
V1+R67
10K
R72
47K
R74
47K
TR9
BC182
TR10
BC182
C39
100U
16V
R71
47K
R73
47K
C42
10N
C41
10N
R68
2M2
R69
2M2
V1+
V1+
R64
10K
C38
33P
5
6
7
IC9B
NE5532
R63
10K
R65
33K
3
2
1
8
4
IC9A
NE5532
C37
33P
V1+
V1-
R62
75R
SOLOAUDIO
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
CON1
40WAY
IDCMH
0V
0V
0V
0V
-18V
-18V
-18V
+18V
+18V
+18V
BUS8
BUS7
BUS6
BUS5
BUS4
BUS3
BUS2
BUS1
RMIX
LMIX
MIXREF
AUX6
AUX5
AUX2
AUX1
AUX4
AUX3
SOLOAUDIO
SOLOENABLE
BUS12
BUS11
BUS10
BUS9
DIG0V
BUSREF
AUXREF
MWKGROUND
AUX8
AUX7
+48V
TALKBACK
MIC
C40
2U2
63V
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
CON2
40WAY
IDCMH
LSEND+
LRET+
LMIXOUT+
LMIXRET+
LTPEOUT+
LTPERET+
RSEND+
RRET+
RMIXOUT+
RMIXRET+
RTPEOUT+
RTPERET+
LSEND-
LRET-
LMIXOUTLMIXRET-
LTPEOUT-
LTPERET-
RSEND-
RRET-
RMIXOUT-
RMIXRET-
RTPEOUTRTPERET-
SOLOENABLE
OSCOUT
V1-
R132
4K7
C68
22U
25V
C69
33P
1
2
3
CON16
3WAYMH
C67
22U
25V
R70
100K
R133
47K
R182
100K
3
2
1
8
4
IC15A
TL072
V1+
V1+
V1-
V1-
V1-
V1-
AUX1-2
SW4
4PSUJ
R135
10K
C70
100U 16V
R134
33R
1
2
3
VR3A
5KRD
V1-
R174
10K
PR3
500R
1/4H
R171
2K2
R149
30K
R148
30K
R147
30K
R146
30K
R145
30K
V-LED
V-LED
AUX1
AUX2
AUX3
AUX4
AUX5
R107
10K
R117
10K
5
6
7
IC13B
NE5532
R108
10K
C60
33P
C61
33P
V2+
RIGHT
MONITOR
ALTERNATE
R109
75R
R110
10K
R112
10K
R113
75R
2
1
3
4
5
CON14
1/4JACK
R111
10K
C62
100U 16V
PHONES
R119
33R
R120
33R
R121
10K
R122
75R
2
1
3
4
5
CON15
1/4JACK
C64
220U 25V
TR7
BC182
V2+
R116
10K
R118
10K
R126
10K
C63
33P
TR5
BC182
TR6
BC212
R115
4K7
3
2
1
8
4
IC14A
TL072
V2+
V2-
V2-
D5
1N4148
D6
1N4148
R114
680K
AUX6
BUS1
BUS2
BUS3
BUS4
BUS5
AUX7
AUX8
R153
30K
R154
30K
R155
30K
R156
30K
R157
30K
R158
30K
R152
30K
R151
30K
R150
30K
ALL
R143
1K
SW5
4PSUJ
5
6
7
IC15B
TL072
R183
33R
C89
100U
16V
OSCOUT
1
2
3
VR4
10KA
C73
100U
16V
HEADPHONE AMPS
C74
10N
R180
47R
R170
33R
V2+
V+LEDR178
10R
R167
30K
R168
30K
R169
30K
C90
33U
63V
AUXREF
MIXREF
BUSREF
MWKGROUND
+48V
R176
10R
R177
10R
R179
10R
C80
22U
25V
C82
22U
25V
C81
22U
25V
C83
22U
25V
C78
220U
25V
C79
220U
25V
+18V
-18V
0V
HEADPHONE AMPS
R181
47R
C88
10N
C87
1000U
25V
C86
1000U
25V
C84
220U
25V
C85
220U
25V
1
CON18
1/4RPB
V1+
V1-
V2-
V-LED
R136
150R
R137
18K
R138
9K1
R139
6K2
3
2
1
8
4
IC16A
TL072
C71
100N
C72
100N
V1+
V1-
OSC ON
R140
8K2
R141
820R
R142
10K
D11
RED
SW6
4PSUJ
5
6
7
IC16B
TL072
R144
3K6
V1+
D9
1N4148
D10
1N4148
R159
30K
R160
30K
R161
30K
R162
30K
R163
30K
R164
30K
R166
30K
R165
30K
V1-
LAST R =
LAST C =
LAST D =
LAST IC =
LAST TR =
LAST VR =
LAST PR =
LAST SW =
LAST CON =
BUS6
BUS9
BUS10
BUS11
BUS12
LMIX
RMIX
BUS7
BUS8
R184
C90
D27
TR11
IC17
SW9
PR4
VR5
CON18
R125
10K
R127
10K
C65
33P
R124
4K7
5
6
7
IC14B
TL072
R123
680K
D7
1N4148
D8
1N4148
PC1276-2
R128
33R
R129
33R R130
10K
R131
75R
TR8
BC212
C66
220U 25V
V2-
Date: August 9, 1993 Sheet 1 of 1
Size Document Number REV
D CD1155-2 A
Title
QMR AUX MASTER
DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND.
C49
33P
R55
75R
R56
75R
C51
100U
16V
C52
100U
16V
3
2
1
8
4
IC43A
NE5532
5
6
7
IC43B
NE5532
1 2
SIL42A
10K
5 6
SIL42C
10K
3 4
SIL42B
10K
PR3
5K
AUX3A
AUX3B
-V2
+V2
AUX3 SOLO
AUX3 ON
R57
10K
R53
2K
R58
3K6
R54
910R
C48
100U
16V
D42
GRN
D41
RED
LK41
SW41
2PSUJ
SW42
2PSUJ
1 2
SIL41A
4K7
3 4
SIL41B
4K7
5 6
SIL41C
4K7
LL3
LL3
+V1
-V1
R46
75R
C44
100U
16V
3
2
1
8
4
IC42A
TL072
C45
220N
R47
680K
R48
4K7
R49
10K
C46
33P
R50
75R
C47
100U
16V
1
2
3
VR41
10KA
+V1
-V1
R41
75R
C42
22P
C41
33P
R44
10K
R42
100K
R45
10K
C43
33P
3
2
8567
4
IC41
NE5534
5
6
7
IC42B
TL072
AUX3
AUXREF
-V1
+V1
R43
4K7
L41
0H 3
2
1
8
4
IC3A
NE5532
5
6
7
IC3B
NE5532
C9
33P
R15
75R
R16
75R
C11
100U
16V
C12
100U
16V
5 6
SIL2C
10K
3 4
SIL2B
10K
1 2
SIL2A
10K
PR1
5K
AUX1A
AUX1B
-V2
+V2
AUX1/2 ON
R17
10K
R19
3K6
R13
2K
R14
910R
C8
100U
16V
D2
GRN
LK1
SW2
4PSUJ
1 2
SIL1A
4K7
3 4
SIL1B
4K7
5 6
SIL1C
4K7
LL1
+V1
3
2
1
8
4
IC2A
TL072
C6
33P
R8
4K7
R9
10K
R10
75R
C4
100U
16V C5
220N
C7
100U
16V
R6
75R
R7
680K
+V1
-V1
1
2
3
VR1A
10KA X2
5
6
7
IC2B
TL072
C1
33P
C2
22P
3
2
8567
4
IC1
NE5534
C3
33P
R1
75R
R2
100K
R4
10K
R5
10K
AUX1
AUXREF
-V1
+V1
R3
2K2
L1
0H
7 8
SIL1D
4K7
C10
33P
C29
33P
7 8
SIL2D
10K
AUX4 ON
R52
10K
R151
47K
D62
GRN
R78
3K6
7 8
SIL41D
4K7
SOLO
SOLOEN
+V1
C50
33P
C69
33P
7 8
SIL42D
10K
C71
100U
16V
C72
100U
16V
3
2
1
8
4
IC63A
NE5532
5
6
7
IC63B
NE5532
R75
75R
R76
75R
1 2
SIL62A
10K
5 6
SIL62C
10K
3 4
SIL62B
10K
7 8
SIL62D
10K
PR4
5K
AUX4A
AUX4B
-V2
+V2
AUX4 SOLO
R77
10K
D61
RED
R72
10K
R73
2K
R74
910R
C68
100U
16V
LK61
SW61
2PSUJ
SW62
2PSUJ
1 2
SIL61A
4K7
3 4
SIL61B
4K7
5 6
SIL61C
4K7
7 8
SIL61D
4K7
LL4
LL4
-V1
C64
100U
16V C65
220N
R67
680K
R68
4K7
R69
10K
C66
33P
3
2
1
8
4
IC62A
TL072
R70
75R
C67
100U
16V
R66
75R
1
2
3
VR61
10KA
+V1
-V1
R61
75R
C62
22P
C61
33P
R64
10K
3
2
8567
4
IC61
NE5534
5
6
7
IC62B
TL072
C63
33P
R62
100K
R65
10K
AUX4
AUXREF
-V1
+V1
R63
4K7
L61
0H
R35
75R
R36
75R
C31
100U
16V
C32
100U
16V
1 2
SIL22A
10K
5 6
SIL22C
10K
3 4
SIL22B
10K
7 8
SIL22D
10K
3
2
1
8
4
IC23A
NE5532
5
6
7
IC23B
NE5532
PR2
5K
AUX2A
AUX2B
-V2
+V2
AUX1/2 SOLO
R37
10K
R33
2K
R34
910R
C28
100U
16V
D1
RED
LK21
1 2
SIL21A
4K7
3 4
SIL21B
4K7
5 6
SIL21C
4K7
7 8
SIL21D
4K7
LL1
-V1
R26
75R
R27
680K
R28
4K7
R29
10K
R30
75R
C24
100U
16V
C26
33P
C27
100U
16V
3
2
1
8
4
IC22A
TL0724
5
6
VR1B
10KA X2
C25
220N
+V1
-V1
R21
75R
R24
10K
R25
10K
R22
100K
3
2
8567
4
IC21
NE5534
5
6
7
IC22B
TL072
C21
33P
C22
22P
C23
33P
AUX2
AUXREF
-V1
+V1
R23
2K2
L21
0H
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
CN1
40WAY
IDCMH
MWK
SOLOEN
SOLO
R12
10K
R11
47K
R32
10K
SW1
4PSUJ
SOLOEN
SOLO
C30
33P
R85
10K
R83
4K7
C84
100U
16V
AUX5 ON
R71
47K
D82
GRN
R98
3K6
R93
2K
SW82
2PSUJ
SOLO
SOLOEN
LL5
+V1 C89
33P
1 2
SIL82A
10K
C70
33P
3
2
1
8
4
IC83A
NE5532
5
6
7
IC83B
NE5532
C90
33P
C91
100U
16V
C92
100U
16V
R95
75R
R96
75R
5 6
SIL82C
10K
3 4
SIL82B
10K
7 8
SIL82D
10K
PR5
5K
AUX5A
AUX5B
-V2
+V2
AUX5 SOLO
D81
RED
R94
910R
C88
100U
16V
R92
10K
R97
10K
LK81
SW81
2PSUJ
1 2
SIL81A
4K7
3 4
SIL81B
4K7
5 6
SIL81C
4K7
7 8
SIL81D
4K7
SOLO
LL5
-V1
R86
75R
C85
220N
R87
680K
R88
4K7
R89
10K
3
2
1
8
4
IC82A
TL072
C86
33P
C87
100U
16V
R90
75R
1
2
3
VR81
10KA
+V1
-V1
R81
75R
R82
100K
C82
22P
3
2
8567
4
IC81
NE5534
C81
33P
R84
10K
C83
33P
5
6
7
IC82B
TL072
AUX5
AUXREF
-V1
+V1
L81
0H
V+LED V+LED
D216
22V
V+LED V+LED
D213
22V
D214
22V
D215
22V
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
CN2
20WAY
IDCMRH
AUX1A
MWK A UX1B
AUX2AAUX2B
MWK
AUX3A
AUX3BMWK
AUX4A
AUX4B
MWK
AUX5AAUX5B
MWK
AUX6A
AUX6B
MWK
MWK
MWK
AUX3
AUX4
AUX1
AUX2
AUX5
AUX6
0V
AUXREF
0V
V+
V+
V+
V-
V-
V-
0V
0V
V-LED
C131
22U
25V
V+
1
I
2
I
/
P
3
T
/
C
4
D
1
2
5
D
1
1
6
D
1
0
7
D
9
8
D
8
1
0
D
7
1
1
D
6
1
2
D
5
1
3
D
4
1
4
D
3
1
5
D
2
1
6
D
1
1
7
0
V
9
D
O
T
1
8
IC4
BA683A
D212
RED
D211
RED
D210
RED
D209
RED
D208
GRN
D207
GRN
D206
GRN
D205
GRN
C128
2U2
63V
R204
10K
R201
270K
R202
56K
D204
GRN
D203
GRN
D202
GRN
D201
GRN
V-LED
C101
33P
C103
33P
R105
10K
R103
4K7
C104
100U
16V
+V1
AUX6 ON
R91
47K
D102
GRN
R118
3K6
R113
2K
SW102
2PSUJ
SOLOEN
LL6
+V1
C109
33P
1 2
SIL102A
10K
-V2
3
2
1
8
4
IC103A
NE5532
5
6
7
IC103B
NE5532
C110
33P
R115
75R
R116
75R
C111
100U
16V
C112
100U
16V
5 6
SIL102C
10K
3 4
SIL102B
10K
PR6
5K
7 8
SIL102D
10K
AUX6A
AUX6B
+V2
AUX6 SOLO
R112
10K
R111
47K
D101
RED
R117
10K R114
910R
C108
100U
16V
LK101
SW101
2PSUJ
1 2
SIL101A
4K7
3 4
SIL101B
4K7
5 6
SIL101C
4K7
7 8
SIL101D
4K7
SOLO
SOLOEN
LL6
-V1
R106
75R
C105
220N
R107
680K
R108
4K7
R109
10K
C106
33P
3
2
1
8
4
IC102A
TL072
R110
75R
C107
100U
16V
1
2
3
VR101
10KA
-V1
R101
75R
R102
100K
C102
22P
3
2
8567
4
IC101
NE5534
R104
10K 5
6
7
IC102B
TL072
AUX6
AUXREF
-V1
+V1
L101
0H
R206
22K
PR9
5K
PR7
500R
C127
2U2
63V
R203
10K
V-LED
V-LED
V-LED
METER INPUT
PR8
5K
R205
10K
1
2
3
CN3
3WAY
MH
C130
10N
C129
10N
+V2
+V1
V+LED
R127
2K2
R211
15K
R121
10R
R122
10R
R123
10R
R126
10R
V+
0V
C126
220U
25V
C123
220U
25V
C124
220U
25V
C121
220U
25V
C122
220U
25V
R124
10R
C120
10N
V-
MWK
C125
220U
25VR125
10R
R120
33R
R208
10K
-V1
-V2
V-LED
EXT. METER
R207
3K6
R209
22K
R210
3K6
3
2
1
8
4
IC201A
TL072
5
67IC201B
TL072
PR10
5K
-V1
+V1
1
2
3
CN4
3WAY
MHR/A
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