DDA dmr12 Schematic
DMR12
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
DMR12 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: November 20, 1991 Sheet 1 of 1
Size Document Number REV
D CD1085 5
Title
DMR12 INPUT MODULE
DDA LTD
V-
V+
EQ IN
R48
1K5
C36
33
R50
47K
C38
100/16
R52
10K
R57
10K
R58
10K
S6
SUN2
C39
100/16
D1
LED R
R164
75
R43
10K
C33
15N
R44
10K
R47
1K5
C37
470N
C35
470NR49
47K
R51
75
10
9
8
IC3C
TL074
12
13
14
IC3D
TL074
POT5
10KA
1
2
3
POT17A
100K-
4
5
6
POT17B
100K-
C30
33
R34
1K5
R35
1K5
C29
3N3R36
47K
R37
47K
R40
75
R38
10K
R39
10K
C31
2N2
3
2
1
4
1
1
IC3A
TL074
5
6
7
IC3B
TL074
POT2
10KA
4
5
6
POT16B
100K-
1
2
3
POT16A
100K-
HIGH PASS
R31
100K
C28
33N
R32
47K
R18575C82
100/16
R174
10K
10
9
8
IC2C
TL074
S5
SUJ2
V+
V-
PHASE REVERSE
R11
10K
C12
33
R10
75
R5375C26
100/16
R30
10K
R33
10K
C27
33N 5
6
7
IC2B
TL074
S2
SUJ2
V+
V- R7
15K
C13
100/16
R141
10K
R12
10K
D29
D28
+48V
V+
V-
RP1
501
R173
470
R5
24K
TR2
2SB737
R179
7K5
R134
75
C4
220/25
R182
4K7
C5
680
C7
680
C3
68/16
IN+
-20dB
+48V
MIC
C81
2.2/63
R183
470
R170
1K5
R171
330
R3
24K
C1
33/63
S3
SUJ2
S31
SUJ2R2
6K8 1%
R1
6K8 1%
IN-
C2
33/63
R4
24K
R172
1K5
1
2
3
POT1
10K-
R180
7K5
R181
4K7
TR1
2SB737 C11
68/16
C6
680
R6
15K
V+
V-
MIC/LINE
V+
V-
5
6
7
IC1B
TL072
C8
33
C9
33
R875C10
100/16
R9
10K
C25
100/16
R28
10K
R54
75
3
2
1
8
4
IC1A
TL072
S4
SUJ2
D30
D31
C24
100/16
V+
R90
75
C59
33
R87
4K7
R88
4K7
C60
100/16
R41
3K3
R42
3K3
C32
4N7
3
2
1
4
1
1
IC5A
TL074
C71
100/16
PAN IN
FROM DIRECT LEDTO INPUT LED
R103
10K
R45
3K3
C34
33N
R46
3K3
POT3
10KA
POT4
10KA
S7
SUJ2
D15
LED G
S19
SUJ4
D2
LED G
GRP 1
GRP 2
FROM INPUT LED
R110
10K
S13
SUJ2
D8
LED R
GRP 3
GRP 4
GRP 5
GRP 6
R112
10K
R111
10K
S14
SUJ2
S15
SUJ2
D9
LED R
D10
LED R
D11
LED R
R105
10K
R104
10K
S8
SUJ2
S9
SUJ2
S10
SUJ2
D3
LED R
D4
LED R
D5
LED R
V-
V+
V-
R86
330
R91
330
R89
10K
R94
10K
C62
100/16
R95
75
R92
4K7C61
33
R93
4K7
C73
100/16
10
9
8
IC5C
TL074
R220
330
R219
7K5
R191/B
10
VCC VCC
PEAK
V-
TR5
BC212
R147
100K
1
2
3
POT18A
4K7A
TR6
BC212
D19
LED R
D35
16VZENER
R101
2K2
C77
220N SUBMIN
VCC VCC
VCC
R27
10K
R150
100K
C74
22/25
R142
12K
R143
1K8
TR4
BC182
R144
100K
R145
10K
R146
100K
C75
470N SUBMIN
5
6
7
IC9B
TL072
RP3
502
R29
10K
R169
510
R168
510
C80
33
R167
10K
R208
10K
R209
22K
POT14
10KA
V+ LINE1/LINE2
C17
33
C16
33
R16
7K5
R5675C18
100/16
R19
10K
R184
10K
D32
LED G
IN -
IN +
LINE1
R18
10K
R17
10K
C15
100/16
C14
100/16
R15
15K
R14
15K
R13
7K5
3
2
1
4
1
1
IC2A
TL074
CON2/9
CON2/10
IN -
IN +
LINE2
C19
100/16
C20
100/16
R22
15K
R21
15K
R24
10K
R25
10K
R20
7K5
5
6
7
IC2B
TL074
CON2/7
CON2/8
V-
C22
33
C21
33
R23
7K5
R5575C23
100/16
R26
10K
S1
SUJ4
METER+
METER-
VCC
PEAK LED
PEAK LED
3
2
1
8
4
IC9A
TL072
V-
R210
3K6
R212
100K
R214
100K
R215
2K2
R213
100K
C108
220N SUBMIN
R211
2K2
D2
R151
75
R149
100K
C76
22/25
3
2
6
7
4
IC10
TL071
D34
1
2
4
3
S33
PROGLINK
C104
2N2
SIGNAL
PRESENT
R152
100K 4
5
6
POT18B
4K7A
TR9
BC212
D20
LED G
C105
100/16
R102
2K2
V+
V-
R154
330
R97
4K7
R100
75
C64
100/16
R99
10K
C63
33
R96
330
R98
4K7
C72
100/16
12
13
14
IC5D
TL074
R221
330
R107
10K
R106
10K
S11
SUJ2
S12
SUJ2
D6
LED R
D7
LED R
GRP 7
GRP 8
GRP 9
GRP 10
R114
10K
R113
10K
S16
SUJ2
S17
SUJ2
S18
SUJ2
D12
LED R
D13
LED R
GRP 11
GRP 12
L MIX
R MIX
TO C/SRC2
R178
10K
R177
10K
R116
10K
R109
10K
R115
10K
S20
SUJ4
D14
LED G
TO GROUP2 LED
R108
10K
Sub-Board
INPUT
FROM PAN LED
D27
LED G
S32
SUJ4
R224
10K
R225
10K
C107
33
R226
10K
3
2
6
7
4
IC13
TL071
C106
100/16
V+
V-
3
2
1
8
4
IC6A
NE5532
C40
33
R7875C55
100/16
PRE/OFF/POSTPRE/OFF/POST
S24
C+K
R223
10K
R60
3K6
RP2
501
R187
47
R190
220K
C41
220N
R59
220K
R188
4K7
1
2
3
POT6
10KALPS
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
IC7
SSM2402/1
R186
100K
C50
33
R133
7K5
R71
75
C68
33
5
6
7
IC5B
TL074
V-
VCC
C51
100/16
R228
10K
OUT+
OUT-
IN+
IN-
INSERT
SENDRETURN
C54
100/16
R73
10K
R74
75 R70
10K
R69
10K
C49
100/16
C48
100/16
R66
7K5
CON2/6
CON2/5
CON2/4
CON2/3
R68
7K5
R67
7K5
3
2
1
8
4
IC4A
NE5532
R79
10K
C53
100/16
R76
10K
C52
33
R72
75
R175
10K
R75
10K
R77
10K
C83
33
+18V
EARTH REF.
+48V
+48V
R155
10
R216
10
R192
10R193
10R194
10
R191/A
10
S26
SW SPST
MUTE OUT
MUTE
VDDVDD
V+ IC1
V+ IC2
V+ IC3
V+ IC4
V+ IC9
R138
100K
C70
47N
VDD
VDD
VDD
R135
100K
R189
2K2
D
5
Q
1
CLK
3
Q
2
R
4
S
6
IC8A
4013
D18
1
2
4
3
S29
PROGLINK
R227
100K
C69
100/16
R136
330K
PRE/OFF/POST
PRE/OFF/POST
VDD
S21
C+K
S22
C+K
AUX 1
AUX 2
AUX 3
R119
10K
R117
10K
R118
10K
POT7
10KB
POT8
10KB
POT9
10KB
V+
V-
5
6
7
IC6B
NE5532
R125
220K
C66
220N
R122
220K
R123
4K7
R124
10K
R126
75
C65
33
POT13
10KB
AUX 7
AUX 8
C67
100/16
R130
2K2
1
2
3
POT15A
4K7A
4
5
6
POT15B
4K7A
R128
39K
R129
39K
OUT+
OUT-
DIRECT
R127
2K2
C56
33
R8075C58
100/16
R81
10K
R82
75
R83
10K
R176
10K
CON2/2
CON2/1
DIRECT
VCC
TO GROUP1 LED
5
6
7
IC4B
NE5532
R132
10K
C57
100/16
R84
10K
R85
10K
C84
33
D17
LED G
S25
SUJ4
AUX 4
AUX 5
AUX 6
R121
10K
R131
10K
R120
10K
POT10
10KB
POT11
10KB
POT12
10KB
S23
C+K
D24
LED R
PRE/OFF/POST
V-
CUT
FROM SOLO LED
TR10
BC212
R159
100K
R160
100K
TR11
BC182
D21
VCC
TO MIX LED
R158
100K
R157
100K
TR3
BC182
R162
10K
TR12
BC182
R161
150
D22
D23
MUTE IN
TO SOLO LED
V+ IC5
V- IC3
V- IC4
V- IC5
V+ IC6
V- IC6
R137
10K
C89
22/25
C101
22/25
C94
22/25
C102
22/25
TR13
BC182
R165
75
VDD
VCC
R195
10R206
10
R207
10 R196
10 R197
10 R198
10 R199
10
C100
2.2/63
C97
22/25
C85
22/25
C86
22/25
C87
22/25
C88
22/25
C98
22/25
C90
22/25
C91
22/25
C92
22/25
C93
22/25
-18V
0V
R201
10
R156
10
VI
G
N
D
VO
REG1
LM78L05
C78
220/25
C79
220/25
C95
2.2/63
R203
R OPT
R204
R OPT
R202
10
C96
2.2/63
VSSVSS
R200
10 R217
10
C/SRC1
V- IC1
V- IC2
V- IC9
V- V- V-
C/SRC2
FROM CUT LED
SOLO
TO C/SRC1
R140
10K
R139
47K
S27
SUN2
1
2
4
3
S28
PROGLINK
C103
2N2
SOLO ENABLE
SOLO AUDIO
Date: November 20, 1991 Sheet 1 of 1
Size Document Number REV
D CD1086 5
Title
DMR12 OUTPUT MODULE
DDA LTD
V-
V+
EQ IN
C37
470N
R48
1K5
C36
33
C35
470N R50
47K
C38
100/16
R52
10K
R57
10K
12
13
14
IC3D
TL074
C39
100/16
R58
10K
R164
75
S6
2 POLE SUN
D1
RED
R43
10K
C31
2N2
C33
15N
R44
10K
R47
1K5
R49
47K
R51
75
10
9
8
IC3C
TL074
POT5
10KA
1
2
3
POT17A
100K-
4
5
6
POT17B
100K-
R34
1K5
R35
1K5
C29
3N3R36
47K
R37
47K
R40
75
R38
10K
R39
10K
3
2
1
4
1
1
IC3A
TL074
5
6
7
IC3B
TL074
POT2
10KA
1
2
3
POT16A
100K-
4
5
6
POT16B
100K-
C30
33
HIGH PASS
R31
100K
C28
33N
R32
47K
R18575C82
100/16
R174
10K
10
9
8
IC2C
TL074
S5
2 POLE SUJ
V+
V-
PHASE REVERSE
R12
10K
R11
10K
C12
33
R10
75
R5375C26
100/16
R30
10K
R33
10K
C27
33N 5
6
7
IC2B
TL074
S2
2 POLE
SUJ
C13
100/16
OUT+
OUT-
SEND
INSERT
VCC
C103
33
R218
75
C104
100/16
R222
75
R134
10K
CON2/14
CON2/13
5 6
SIL4C
10KSIL
1 2
SIL4A
10KSIL
7
8
SIL4D
10KSIL
R173
1K2
POT1
10KA
C10
100/16
R181
10K
C11
33
C5
33
5
6
7
IC11B
TL072
3 4
SIL2B
10KSIL
3
4
SIL4B
10KSIL
V+
V-
BUS IN-
GROUPS 1-12
BUS IN1
BUS IN2
BUS IN3
BUS IN4
BUS IN5
BUS IN6
BUS IN7
BUS IN8
BUS IN9
BUS IN10
BUS IN11
BUS IN12
INSERT
RP1
50K
3
2
1
8
4
IC1A
NE5532
R170
75
R171
100K
R7
75
R179
10K
R172
3K6
1
2
3
4
5
6
7
8
9
10
11
12
C9
100
R180
75
IN+
IN-
RETURN
C3
33
R3
10K
R4
10K
C2
100/16
C1
100/16
3
2
1
8
4
IC11A
TL072
CON2/16
CON2/15
C4
33
5
6
SIL3C
10KSIL
7
8
SIL3D
10KSIL
3
4
SIL3B
10KSIL
1 2
SIL3A
10KSIL
V+
V-
V+
V-
RP4
502
C7
100/16
C8
100/16
R9
75
R8
75
C6
33
3
2
1
8
4
IC12A
NE5532
5
6
7
IC12B
NE5532
7 8
SIL1D
4K7SIL
1
2
SIL1A
4K7SIL
3
4
SIL1B
4K7SIL
7 8
SIL2D
10KSIL
5 6
SIL2C
10KSIL
1 2
SIL2A
10KSIL
5 6
SIL1C
4K7SIL
C25
100/16
R28
10K
R54
75
BUS 1-
BUS 1+
BUS 13-
BUS 13+
V-
BUS SELECT
BUS OUT
5
6
7
IC1B
NE5532
CON2/19
CON2/20
CON2/17
CON2/18
D28
LED R
S4
6 POLE SUJ
C24
100/16
V+
R90
75
C59
33
R87
4K7
R88
4K7
C60
100/16
R41
3K3
R42
3K3
C32
4N7
3
2
1
4
1
1
IC5A
TL074
C71
100/16
PAN IN
FROM DIRECT LEDTO INPUT LED
R103
10K
R45
3K3
C34
33N
R46
3K3
POT3
10KA
POT4
10KA
D15
LED G
S19
SUJ4
D2
LED R
S7
2 POLE SUJ
GRP 1
GRP 2
FROM INPUT LED
R110
10K
S13
2 POLE SUJ
D8
RED
GRP 3
GRP 4
GRP 5
GRP 6
R112
10K
R111
10K
D10
LED R
D11
LED R
S15
2 POLE SUJ
S14
2 POLE SUJ
D9
RED
R105
10K
R104
10K
R89
10K
R94
10K
D3
LED R
D4
LED R
D5
LED R
S8
2 POLE SUJ
S9
2 POLE SUJ
S10
2 POLE SUJ
V-
V+
V-
R86
330
R91
330
C62
100/16
R95
75
R92
4K7C61
33
R93
4K7
C73
100/16
10
9
8
IC5C
TL074
R220
330
R219
7K5
R191/B
10
R101
2K2
VCC VCC
PEAK
V-
R146
100K
TR5
BC212
R147
100K
1
2
3
POT18A
4K7A
TR6
BC212
D35
16V
C111
220N
D19
LED R
VCC VCC
VCC
R27
10K
R150
100K
C74
22/25
R142
12K
R143
1K8
TR4
BC182
R144
100K
R145
10K
C75
470N SUBMIN
5
6
7
IC9B
TL072
RP3
502
R29
10K
R169
510
R168
510
C80
33
R167
10K
R208
10K
R209
22K
POT14
10KA
V+ LINE1/LINE2
C17
33
C16
33
R16
7K5
R5675C18
100/16
R19
10K
R184
10K
D32
LED G
IN -
IN +
LINE1
R18
10K
R17
10K
C15
100/16
C14
100/16
R15
15K
R14
15K
R13
7K5
3
2
1
4
1
1
IC2A
TL074
CON2/9
CON2/10
IN -
IN +
LINE2
C19
100/16
C20
100/16
R22
15K
R21
15K
R24
10K
R25
10K
R20
7K5
5
6
7
IC2B
TL074
CON2/7
CON2/8
V-
C22
33
C21
33
R23
7K5
R5575C23
100/16
R26
10K
S1
4 POLE SUJ
METER+
METER-
VCC
PEAK LED
PEAK LED
3
2
1
8
4
IC9A
TL072
V-
R210
3K6
R211
2K2R212
100K
R214
100K
R215
2K2
R213
100K
C108
220N SUBMIN
D2
R151
75
R149
100K
C76
22/25
3
2
6
7
4
IC10
TL071
D34
1
2
4
3
S33
PROGLINK
C110
2N2
SIGNAL
PRESENT
R152
100K 4
5
6
POT18B
4K7A
TR9
BC212
D20LED G
C105
100/16
V+
V-
R154
330
R97
4K7
R100
75
C64
100/16
C63
33
R96
330
R98
4K7
C72
100/16
12
13
14
IC5D
TL074
R221
330
R102
2K2
R107
10K
R106
10K
R99
10K
D6
LED R
D7
LED R
S11
2 POLE SUJ
S12
2 POLE SUJ
GRP 7
GRP 8
GRP 9
GRP 10
R114
10K
R113
10K
D12
LED R
D13
LED R
S18
2 POLE SUJ
S17
2 POLE SUJ
S16
2 POLE SUJ
GRP 11
GRP 12
L MIX
R MIX
TO C/SRC2
R178
10K
R177
10K
R116
10K
R109
10K
R115
10K
D14
LED G
S20
4 POLE SUJ
TO GROUP2 LED
R108
10K
Sub-Board
INPUT
FROM PAN LED
S32
SUJ4
D27
LED G
S24
C+K
R224
10K
R225
10K
C107
33
R226
10K
3
2
6
7
4
IC13
TL071
C106
100/16
V+
V-
PRE/OFF/POST
3
2
1
8
4
IC6A
NE5532
C40
33
R7875C55
100/16
R223
10K
R60
3K6
RP2
501
R187
47
R190
220K
C41
220N
R59
220K
R188
4K7
1
2
3
POT6
10KALPS
R186
100K
C50
33
R133
7K5
R71
75
C68
33
5
6
7
IC5B
TL074
VCC
V-
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
IC7
SSM2402/1
C51
100/16
R228
10K
OUT+
OUT-
IN+
IN-
INSERT
SENDRETURN
C54
100/16
R73
10K
R74
75 R70
10K
R69
10K
C49
100/16
C48
100/16
R66
7K5
CON2/6
CON2/5
CON2/4
CON2/3
R68
7K5
R67
7K5
3
2
1
8
4
IC4A
NE5532
R79
10K
C53
100/16
R76
10K
C52
33
R72
75
R175
10K
R75
10K
R77
10K
C83
33
+18V
EARTH REF.
+48V
+48V
R155
10
R216
10
R194
10
R193
10
R192
10
R191/A
10
S26
SW SPST
MUTE OUT
MUTE
VDDVDD
V+ IC1
V+ IC2
V+ IC3
V+ IC4
V+ IC9
R138
100K
C70
47N
VDD
VDD
R135
100K
R189
2K2
D
5
Q
1
CLK
3
Q
2
R
4
S
6
IC8A
4013
D18
1
2
4
3
S29
PROGLINK
C69
100/16
R227
100K
R136
330K
PRE/OFF/POST
PRE/OFF/POST
VDD VDD
R158
100K
AUX 1
AUX 2
AUX 3
R119
10K
R117
10K
R118
10K
POT7
10KB
POT8
10KB
POT9
10KB
S21
C+K
S22
C+K
V+
V-
5
6
7
IC6B
NE5532
R125
220K
C66
220N
R122
220K
R123
4K7
R124
10K
R126
75
C65
33
POT13
10KB
AUX 7
AUX 8
C67
100/16
R130
2K2
1
2
3
POT15A
4K7A
4
5
6
POT15B
4K7A
R128
39K
R129
39K
OUT+
OUT-
DIRECT
5
6
7
IC4B
NE5532
R127
2K2
C56
33
R8075C58
100/16
R81
10K
R82
75
R83
10K
R176
10K
CON2/1
CON2/2
DIRECT
VCC
TO GROUP1 LED
R132
10K
C57
100/16
R84
10K
R85
10K
C84
33
D17
LED G
S25
4 POLE SUJ
AUX 4
AUX 5
AUX 6
R121
10K
R120
10K
POT10
10KB
POT11
10KB
POT12
10KB
S23
C+K
D24
LED R
R131
10K
PRE/OFF/POST
V-
CUT
FROM SOLO LED
TR10
BC212
R159
100K
R160
100K
TR11
BC182
D21
VCC
TO MIX LEDTO SOLO LED
R157
100K
TR3
BC182
R162
10K
TR12
BC182
R161
150
D22
D23
MUTE INV+ IC5
V- IC3
V- IC4
V- IC5
V+ IC6
V- IC6
R137
10K
C89
22/25
C101
22/25
C94
22/25
C102
22/25
TR13
BC182
R165
75
VDD
VCC
R195
10R206
10
R207
10 R196
10 R197
10 R198
10 R199
10
C100
2.2/63
C97
22/25
C85
22/25
C86
22/25
C87
22/25
C88
22/25
C98
22/25
C90
22/25
C91
22/25
C92
22/25
C93
22/25
-18V
0V
R201
10
R156
10
VI
G
N
D
VO
REG1
LM78L05
C78
220/25
C79
220/25
C95
2.2/63
R203
R OPT
R204
R OPT
R202
10
C96
2.2/63
VSSVSS
R200
10 R217
10
V-
C/SRC1
V- IC1
V- IC2
V- IC9
V- V-
C/SRC2
FROM CUT LED
SOLO
TO C/SRC1
1
2
4
3
S28
PROGLINK
R139
47K
R140
10K
C109
2N2
S27
2 POLE SUN
SOLO ENABLE
SOLO AUDIO
Date: August 4, 1994 Sheet 1 of 1
Size Document Number REV
D CD1087-4 C
Title
DMR MONITOR MODULE
TW3 2EB ENGLAND
HOUNSLOW MIDDX
WHITTON RD
UNIT 1, INWOOD BUSINESS PK
DDA LTD
CON C2
CON C1
MAIN L-
MAIN L+
R64
10K
3
2
1
8
4
IC5A
NE5532
R61
10K
C37
33P
C36
33P
R65
10K
R63
75R
R66
75R
C38
100U
16V
R60
10K
TO LED13
R62
10K
3
2
1
8
4
IC16A
TL072
C107
10P
R219
75R
C35
100U
16V
R59
220K
R207
22K
R208
100K
CONTROL ROOM
LEVEL
ALT SPK
VCC
VCC
CON F6
CON F5
CON F2
PEAKLED
FROM LED11
R189
2K2
3
2
1
8
4
IC13A
TL072
5
6
7
IC13B
TL072
R187
100K
V-
LED12
RED
S6
4PSUN
1
2
3
VR3A
10KX2
+LOG
"CUT L"
METER L
CON F7
CON F8
FROM LED13 TO LED15
TO LED17
C89
33P
R190
3K6
3
2
1
8
4
IC14A
TL072
R188
100K
LED16
RED
LED14
RED
PR1
5KH
S10
2PSUN
S8
2PSUN
R186
33K
"MONO"
VCC
FROM LED15
R51
47K
R185
10K
R53
4K7
C32
100U
16V
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
IC9
SSM2402
SIP SWITCHING
VCC
C31
33P
R114
10K
R48
7K5
R47
75R
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
IC11
SSM2402
3
2
1
8
4
IC7A
NE5532
V-
V+
3
2
1
8
4
IC12A
TL072
C67
33P
R110
10K
R113
10K
R111
10K
R112
75R
C68
100U
16V
AFLL
BUSCOM
5
6
7
IC12B
TL072
CON B2
CON B23
C66
33P
R108
10K
R109
100K
R107
75R
V+
V+
V-V-V-
R117
100K
R118
100K
TR1
BC182
TR2
BC212
R119
3K3
SOLO DC
CONB4
C69
2U2
63V
R116
100K
SOLO
V+
V+
V-
R120
100K
R121
100K
R122
100K
R123
10K
TR3
BC212
TR4
BC212
LED18
YEL
VCC
VDD
C33
33P
R45
OPT
R43
10K
R44
10K
R115
10K
R50
7K5
R49
75R
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
IC10
SSM2402
5
6
7
IC7B
NE5532
VDD
FROM LED14
R52
47K
R54
4K7
C34
100U
16V
"CUT R"
METER R
CON F3
CON F4
TO LED 16
R191
10K
C90
33P
R196
3K6
5
6
7
IC14B
TL072
V-
R193
100K
LED15
RED
PR2
5KH
S9
2PSUN
R192
33K
CON F1
PEAKLED
R194
100K
R195
2K2
4
5
6
VR3B
10KX2
+LOG
R68
10K
R70
10K
5
6
7
IC16B
TL072
C108
10P
R220
75R
C40
100U
16V
R67
220K
R209
22K
R210
100K
MAIN R-
MAIN R+
R72
10K
5
6
7
IC5B
NE5532
CON C4
CON C3
R69
10K
C42
33P
C41
33P
R73
10K
R71
75R
R74
75R
C43
100U
16V
CON C6
CON C5
ALT1 L+
ALT1 L-
R80
10K
3
2
1
8
4
IC4A
NE5532
R77
10K
C47
33P
C46
33P
C51
33P
R85
10K
R81
10K
R79
75R
R82
75R
C48
100U
16V
R76
10K
R78
10K
R86
10K
3
2
1
8
4
IC15A
TL072
C109
10P
C110
10P
R221
75R
C45
100U
16V
R75
220K
R211
22K
R212
100K
R214
100K
STUDIO LEVEL
R148
10K
R56
10K
R58
10K
R55
4K7
R57
4K7
BUS1
CONB17
1
2
3
VR2A
10KX2
+LOG
4
5
6
VR2B
10KX2
+LOG
V+
STUDIO ON
FROM LED12
TO LED14
R184
100K
LED13
RED
S7
4PSUN
VDD
DIM
FROM LED16 TO LED19
R46
OPT
LED17
GRN
S11
2PSUN
TAPE 1
3
2
1
8
4
IC1A
TL072
FROM LED7
R6
7K5
C3
33P
R7
10K
C4
33P
R13
7K5
C5
100U
16V
LED8
RED
S5A
TAPE1 L+
TAPE1 L-
CON A29
R3
15K
R4
15K
R5
7K5
R1
100K
CON A30
C1
100U 16V
C2
100U
16V
R2
100K
CON A10
TAPE1 R+
TAPE1 R-
CON A9
R11
15K
R9
100K
R10
7K5
R12
15K
R8
100K
C7
100U 16V
C6
100U 16V
5
6
7
IC1B
TL072
C8
33P
R14
10K
C9
33P
R19
7K5
C13
33P
C10
100U 16V
LED9
RED
V+
CON F9
R173
24K
R172
24K
R174
24K
R175
7K5
R176
7K5
TALKBACK MIC
TR6
2SB737
C79
680P
C80
680P
C81
680P
C77
100U 16V
R178
4K7
R179
4K7
V-
C86
33P
R177
75R
C82
100U
16V
C88
100N
0.2
1
2
3
VR4
10K
-LOG
C83
100U
16V
R181
68K
STUDIO
LED25
RED
S18
4PSUN
"TO BUS"
R155
10K
R154
10K
R153
10K
R152
10K
R151
10K
R150
10K
R149
10K
BUS2
BUS3
BUS4
BUS5
BUS6
BUS7
BUS8
CONB5
CONB7
CONB9
CONB11
CONB13
CONB15
LED24
GRN
R84
10K
5
6
7
IC15B
TL072
C111
10P
R222
75R
C50
100U
16V
R83
220K
R213
22K
R216
100K
ALT1 R+
ALT1 R-
R88
10K
5
6
7
IC4B
NE5532
CON C8
CON C7
C52
33P
C56
33P
R93
10K
R89
10K
R87
75R
R90
75R
C53
100U
16V
CON C14
R96
10K
3
2
1
8
4
IC6A
NE5532
5
6
7
IC6B
NE5532
CON C12
CON C11
STUDIO L+
STUDIO L-
STUDIO R+
C61
33P
R101
10K
R94
10K
R105
10K
R97
10K
R95
75R
R98
75R
R103
75R
C58
100U
16V
C63
100U 16V
R92
10K
R100
10K
C57
33P
3
2
1
8
4
IC18A
TL072
5
6
7
IC18B
TL072
C112
10P
R223
75R
C60
100U
16V
C55
100U
16V
R91
220K
R217
22K
R215
22K
R218
100K
CONB8
"TO MIX"
R159
10K
R158
10K
R156
10K
R157
10K
BUS9
BUS10
BUS11
BUS12
CONB10
CONB12
CONB14
CONB3
LED23
GRN
S17
2PSUN
S16
2PSUN
COMM
R183
10K
LED26
RED
S19
4PSUN
C87
100U
16V
3
2
6
7
4
IC8
TL071
C85
33P
R124
1K1
R125
1K1
R127
1K6
R126
1K6
R128
16K
R129
16K
R130
360K
R131
360K
R182
75R
S1A2 S1A3
S1B3
S1C3
S1D3S1D2
S1C2
S1B2
C84
100U 16V
R180
68K
15KHz
10KHz
1KHz
50Hz
CON F10
V+
TR7
2SB737
LED1
GRN
C78
100U
16V
TAPE 2
3
2
1
8
4
IC2A
TL072
C14
33P
R26
7K5
C18
33P
R21
10K
C15
100U 16V
S5B
TAPE2 L+
TAPE2 L-
CON A31
CON A32
R17
15K
R18
15K
R16
100K
R15
100K
R20
7K5
C11
100U 16V
C12
100U 16V
CON A11
CON A12
TAPE2 R+
TAPE2 R-
EXT L+
CON A33
R25
15K
R24
15K
R23
100K
R31
15K
R27
7K5
R22
100K
C21
100U
16V
C16
100U
16V
C17
100U
16V
5
6
7
IC2B
TL072
3
2
1
8
4
IC3A
TL072
R28
10K
C19
33P
R33
7K5
C23
33P
C20
100U
16V
C25
100U
16V
LED10
RED
S5C
15KHz
10KHz
1KHz
TR10
J111
R143
10K
R142
10K
TR9
BC182
R134
1K6
R225
AOT
LED2
GRN
LED3
GRN
LED4
GRN
S1A1
S1B1
S1C1
TR8
BC212
3
2
1
8
4
IC15A
NE5532
R137
10K
R136
3K3
R140
47K
R139
100K
R138
4K7
R133
2M2
R132
2M2
D2
R135
OPT
C74
100U 16V
C70
10N
C71
10N
D3
4V7
LED5
RED
S2
2PSUN
1
2
3
VR1
10K
+LOG
OSC ON/OFF
"TO BUS"
"TO MIX"
5
6
7
IC15B
NE5532
R146
10K
C75
33P
R144
6K8
R145
10K
R206
10K
R147
10K
C105
33P
R204
75R
C76
100U 16V
LED6
GRN
S3
2PSUN
AUX1/2
FROM LED17
R161
10K
R160
10K
R162
10K
R163
10K
LMIX
RMIX
CONB19
CONB21
LED7
GRN
LED19
GRN
LED20
GRN
S12
2PSUN
V+
R170
10K
TR5
BC182
C62
33P
D5
D4
AUX1
AUX2
R224
75R
CONB33
CONB35
R171
150R
R99
220K
CON C13
R104
10K
STUDIO R-
R102
10K
R106
75R
NOTES
V- V-
AUX3
AUX4
AUX5
AUX6
CONB29
CONB31
CONB37
CONB39
AUX3/4
AUX5/6
OSC OUT
TO LED23
R164
10K
R165
10K
R166
10K
R167
10K
LED21
GRN
LED22
GRN
S4 2PSUN
S13
2PSUN
S14
2PSUN
CON A38
CON A37
TO LED8
V+ IC15
V- IC15
0V
13,14
V+ IC1,2,3,4,5,6
V+ IC7,8,9
10,11,12
R205
10K
R203
10R
C104
220U
25V
C103
220U
25V
C101
22U
25V
C102
22U
25V
V- V-
C72
100P
D1
R201
10R
R202
10R
R199
10R
C93
22U
25V
C95
22U
25V
C97
22U
25V
C99
22U
25V
C100
22U
25V
C98
22U
25V
C96
22U
25V
C94
22U
25V
C73
10U
16V
V-
50Hz
TO LED12
R141
4K7
-18V
0V
+18V R197
10R
R198
10R
CONB30/32/34
CONB36/38/40
CONB24/26/28
CONB18/20/22
AUDIO COMMON
C91220U
25V
C92220U
25V
LED11
GRN
S5D
S1D1
EXT
CON E9
CON E10
MIX L
MIX R
5
6
7
IC3B
TL072
C24
33P
R35
10K
R40
7K5
C28
33P
R42
10K
C30
100U
16V
EXT L-
EXT R+
EXT R-
CON A34
R32
15K
R30
100K
R39
15K
R38
15K
R34
7K5
R29
100K
CON A13
C26
100U 16V
C27
100U
16V
C22
100U
16V
CON A14
R41
7K5
R36
100K
R37
100K
FROM PC1194
SHEET 1
C29
33P
1 OF 4 INTERLOCK
MONITOR SELECT
MIX V REF GND
METALWORK GND
CONB23
CONB1
LINK
LINK
R200
10R
V- IC1,2,3,4,5,6
13,14
V- IC7,8,9
10,11,12
AUX7/8
R168
10K
R169
10K
S15
2PSUN
AUX7
AUX8
CONB25
CONB27
REV B
CHANGE C107-C112 INCLUSIVE FROM 33P TO 10P
ADD MISSING CONNECTOR INFORMATION
R208,210,212,214,216,218 CHANGE 47K TO 100K
R207,209,211,213,215,217 CHANGE 10K TO 22K
R59,67,75,83,91,99 CHANGE 10K TO 220K
R180 AND R181 CHANGE FROM 24K TO 68K
R116 CHANGE FROM 10K TO 100K
REV C
IC7A & B ALTD FROM TL072 TO NE5532
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