Page 1
DCM
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
DCM 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.
Page 2
Date: October 31, 1990 Sheet 3 of 4
Size Document Number REV
D CD1062 2
Title
DCM232 ROUTING AND AUXILIARIES
DDA LTD
DIN2/25B
DIN2/25A
BUS2
BUS18
LED1
LED
LED2
LED
SW19
SUJ4
SW18
SUJ4
R378
10K
R379
10K
S?
SW 4PDT
D?
LED
CON1/1 DIN2/16B
CON1/2 DIN2/16A
S?
SW 4PDT
D?
LED
BUS1
BUS17
R395
10K
R396
10K
CON1/24
CON1/23
SHIFT
R193
39K
R194
75
C107
100/16
R196
100K
R198
39K
CON1/28
PAN IN
V+
V-
R192
22K
R195
75
C106
22
1
2
3
VR17A
4K7 DUAL
4
5
6
VR17B
4K7 DUAL
10
9
8
IC2C
TL074
R190
2K7
CON1/30 CON4/17
LED15
LED
SW10
SUJ4
CHAN/MIX REV
CONA/9
CONA/10
CONA/7
CONA/8
CONB/7
CONB/6
CONB/8
CONB/5
SERIES
SHUNT
SERIES
SHUNT
PC1137
PLUG IN PCB
SW9
SUJ6
FADER REVERSE
LED17
LED
CONB/2 CONB/4
CONB/1 CONB/3
MIX CUT
CHAN CUT
PC1137
PLUG IN PCB
FROM CD1060
EQ AND INSERT
FROM CD1061
SOLO AND MUTE LOGIC
CHANNEL PRE
MIX PRE
TO CD1059
CON3/14
CON3/9
C112
2N2
C113
2N2
R208
10M
R207
10M
TR29
J111
TR30
J111
CHANNEL POST
MIX POST
5 6
SIL3C
18KS
7 8
SIL3D
18KS
VR19
10K
VR18
10K
TR33
J111
TR34
J111
TR35
J111
TR36
J111
DIN1/24B
DIN1/24A
AUX1
AUX2
D27
V+
V-
5
6
7
ICB
TL074
V+
V-
R197
22K
R200
75
C108
22
R202
22K
C110
22
3
2
1
4
1
1
IC2A
TL074
R191
2K7
R199
75
C109
100/16
R201
100K
R203
39K
R204
75
C111
100/16
CON1/26
CON1/27
SUB PCB PC1125
CON1/3 DIN2/15B
CON1/4 DIN2/15A
S?
SW 4PDT
D?
LED
CON1/5 DIN2/14B
CON1/6 DIN2/14A
BUS3
BUS19
BUS5
BUS21
R397
10K
R398
10K
R399
10K
R400
10K
DIN2/24B
DIN2/24A
DIN2/23B
DIN2/23A
BUS4
BUS6
BUS20
BUS22
LED3
LED
SW20
SUJ4
R383
R
R380
10K
R381
10K
R382
10K
DIN2/22B
DIN2/22A
DIN2/21B
BUS8
BUS10
BUS24
LED4
LED
LED5
LED
SW22
SUJ4
SW21
SUJ4
R384
10K
R385
10K
R386
10K
R387
10K
S?
SW 4PDT
D?
LED
CON1/7 DIN2/13B
CON1/8 DIN2/13A
S?
SW 4PDT
D?
LED
CON1/9 DIN2/12B
BUS7
BUS23
BUS9
R401
10K
R403
10K
R404
10K
R402
10K
DIN1/30B
DIN1/30A
DIN1/28B
DIN1/28A
L MIX+
L MIX-
R MIX+
R MIX-
R221
6K8
R222
6K8
R223
6K8
R224
6K8
R206
100K
CON1/20 CON5/12
CON1/19 CON5/11
CON1/21 CON5/15
CON1/22 CON5/16
MIX
LED10
LED
SW11
SUJ6
R205
75
EBO PCB
CON3/19
CON3/20
CON3/23
CON3/24
AUX3
D30
D28
D29
1 2
SIL3A
18KS
VR20
10K
CON3/13
CON3/10
TR31
J111
TR32
J111
C114
2N2
C115
2N2
R210
10M
R209
10M
TR37
J111
C116
2N2
CON3/21
CON3/18
TR38
J111
C117
2N2
R211
10M
R212
10M
TR39
J111
C118
2N2
3 4
SIL3B
18KS
VR21
10K
TR41
J111
TR42
J111
TR43
J111
TR44
J111
DIN1/23B
DIN1/23A
CON3/11
CON3/12
CON3/15
CON3/16
AUX4
D31
D33
D34
D32
CON4/11
CON4/10
1
2
3
VR24A
4K7 DUAL
4
5
6
VR24B
4K7 DUAL
R225
2K2
R226
2K2
CON5/18
CON5/17
CONA/5
CONA/6
COND/5
COND/6
COND/3
COND/4
PC1137
PLUG IN PCB
DIN2/12A
S?
SW 4PDT
D?
LED
DIN2/11B
DIN2/11A
S?
SW 4PDT
D?
LED
CON1/10
CON1/11
CON1/12
BUS25
BUS11
BUS27
R405
10K
R406
10K
DIN2/21A
DIN2/20B
DIN2/20A
BUS12
BUS26
BUS28
LED6
LED
LED7
LED
SW24
SUJ4
SW23
SUJ4
R388
10K
R389
10K
DIN2/19B
DIN2/19A
DIN2/18B
DIN2/18A
BUS14
BUS30
BUS16
BUS32
LED8
LED
SW25
SUJ4
R390
10K
R391
10K
R392
10K
R393
10K
DIN2/10B
DIN2/10A
S?
SW 4PDT
D?
LED
CON1/13
CON1/14
CON1/15
CON1/16
DIN2/9B
DIN2/9A
BUS13
BUS29
BUS15
BUS31
R407
10K
R408
10K
R409
10K
R410
10K
DIN1/14B
DIN1/14A
AFL LEFT
AFL RIGHT
TR58
J111
TR60
J111
TR57
J111
TR59
J111
D43
1N4148
D46
1N4148
D44
1N4148
5 6
SIL5C
10K
1 2
SIL5A
10K
DIN1/26B
AUXA LEFT
3 4
SIL4B
18KS
TR50
J111
VR22
10K
1
2
3
VR23A
4K7 DUAL
R219
3K3
CON3/17
CON3/22
CON4/19
MON RET OPT
B/CAST MODE
TR40
J111
C119
2N2
R213
10M
R214
10M
TR45
J111
C120
2N2
CON4/2
CON4/1
TR46
J111
C121
2N2
R216
10M
TR47
J111
TR48
J111
C122
2N2
C123
2N2
R215
10M
4
5
6
VR23B
4K7 DUAL
R220
3K3
1 2
SIL4A
18KS
7 8
SIL4D
18KS
D38
1N4148
D37
1N4148
D35
1N4148
D36
1N4148
D42
1N4148
D39
1N4148
TR49
J111
TR51
J111
TR52
J111
TR53
J111
TR54
J111
DIN1/26A
CON3/8
CON3/7
DIN1/25B
TO DIRECT SWITCH
AUXA RIGHT
AUXB LEFT
CON3/2
SHUNT
SERIES
MIX SOLO
TR61
J111
D47
1N4148
D45
1N4148
D48
1N4148
FROM CD1061
R227
12K
7 8
SIL5D
12K
DIN1/13B
PFL
TR62
J111
TR64
J111
TR66
J111
TR68
J111
TR63
J111
TR65
J111
TR67
J111
D49
1N4148
D52
1N4148
D50
1N4148
D53
1N4148
D51
1N4148
R228
12K
3 4
SIL5B
12K
DIN1/25A
CON3/6
CON3/5
AUXB RIGHT
CONB/10
CONB/9
CONA/3
COND/9
COND/10
COND/7
DIN1/21B
DIN1/21A
DIN1/19B
PC1137 L MON MIX+
L MON MIX-
R MON MIX+
R MON MIX-
5 6
SIL4C
18KS D41
1N4148 D40
1N4148
TR55
J111
TR56
J111
R217
10M
R236
1M
D91
1N4148
R234
10K
C124
100N
CON4/3
CON4/4
V+
R218
10M
R231
100K
VSS
VSS
CON5/8
AUX TO MONITOR BUS
FROM SUB PCB PC1125 R229
100K
R230
1M
TR69
BC182
VSS
V+
R232
100K
TR70
BC182
R233
100K
R235
100K
C125
100N
AUX TO MONITOR
CONA/4
COND/8 DIN1/19A
PLUG IN PCB
SHUNT
SERIES
CHANNEL SOLO
D54
1N4148
FROM CD1061
Page 3
Date: October 31, 1990 Sheet of 4
Size Document Number REV
D CD1060 2
Title
DCM232 EQUALISER
DDA LTD
R124
10K
R126
10K
1 2
3
VR10A
100K-
R128
6K8
R129
75
10
9
8
IC9C
TL074
C75
33N
4 5
6
VR10B
RV 100K-
R130
6K8
R131
75
5
6
7
IC9B
TL074
C76
100N
V+
FILTER SWITCH
ON SUB PCB
PC1125
R122
2K
100K
100K
R123
2M2
R125
10K
12
13
14
IC9D
TL074
CON2/14
CON2/13
R112
1K5
R114
47K
R121
6K8
C74
100N
C66
100/16
R111
1K5
VR8
10KC
C67
2N2
C68
1N
SW17
SUJ2
C62
100/16
R108
6K8
R109
6K8
C63
2N2
TR19
J175
D17
1N4148
C64
100N
C65
1N
R110
2M2
5
6
7
IC7B
TL072
CON4/20
CON4/19
SW6
SUJ4
R107
100K
LED12
LED
CON2/12
R113
47K 3
2
6
7
4
IC8
TL071
C69
100N
R116
36K
R117
5K6
R115
7K5
1
2
3
VR9A
4K7 DUAL
C70
6N8
R118
2M2
C72
33P
TR18
J111
C71
100/16
D16
1N4148
V-
TR20
J111
D20
1N4148
R119
1M
D19
1N4148
R133
10K
3
2
1
4
1
1
IC9A
TL074
C78
33P
R135
10K
4 5
6
VR9B
RV 4K7 DUAL
TR21
J111
R136
10K
R132
10K
R127
4K7
TR?
JFET N
CON2/18
C79
100/16
R138
100K
TR23
J111
D21
1N4148
C80
100/16
R140
100K
CON2/17
D22
1N4148
R134
75
TR22
J175
R120
1M
D18
1N4148
LED13
LED
SW7
SUJ4
R137
10K
C77
100/16
R139
10K
R143
10K
10
9
8
IC5C
TL074
C82
33P
R141
10K
R141
33P
DIN2/1B
DIN2/1A
R144
75
R142
10K
R145
10K
R146
75
C83
100/16
DIN2/2B
DIN2/2A
R157
100K
R156
100K
C85
100/16
C86
100/16
R149
7K5
R150
7K5
C87
33P
C88
33P
R153
15K
R151
7K5
R152
7K5
C89
33P
C90
33P
R154
15K
5
6
7
IC5B
TL074
CON2/19
C91
100/16
R147
100K
TR26
J111
D24
1N4148
TR25
J111
D23
1N4148
C84
100/16
R148
100K
CONB/2 CONB/4
PLUG IN PCB PC1137
CON2/20
R173
10K
R160
10K
LED14
LED
SW8
SUJ4
C92
100/16
R158
100K
R?
R159
10K
VR11
10KC
R161
4K7
C93
33P
12
13
14
IC10D
TL074
C98
100/16
R172
100K
R189
100k C94
1N5
R163
330
FREQ X3
ON SUB PCB
PC1125
CON5/6
CON5/5
CON5/2
R171
100k
C97
6N8
R173
10K
C99
33P
12
13
14
IC11D
TL074
VR4
10KC
R174
4K7
R177
330
R176
10K
C100
10N
R181
100K
C102
47N
R186
100K
CON3/14
CON3/10
CON3/13
FREQ X3
ON SUB PCB
PC1125 TR?
JFET N
C104
100/16
R187
100K
TR28
J111
C105
100/16
R188
100K
D25
1N4148
D26
1N4148
CON2/4
CON2/3
TO CD1062
ROUTING AND AUXILIARIES
CONB/1 CONB/3
CON3/9
R180
6K8
C101
4N7
10
9
8
IC11C
TL074
4 5
6
VR16B
RV 100K-
R185
6K8
R184
75
R182
75
C103
22N
5
6
7
IC11B
TL074
VR15
10KC
R178
3K3
R179
10K
R183
10K
3
2
1
4
1
1
IC11A
TL074
1 2
3
VR16A
100K-
CON5/1
4 5
6
VR12B
100K-
R170
6K8
R169
75
5
6
7
IC10B
TL074
C96
3N3
C95
680P
VR13
10KC
R164
3K3
3
2
1
4
1
1
IC10A
TL074
R165
10K
R168
10K
R166
6K8
1 2
3
VR12A
100K-
R167
75
10
9
8
IC10C
TL074
Page 4
Date: M arch 8, 1993 Sheet 1 of 4
Size Document Number REV
D CD1059-7 A
Title
DCM INPUT/OUTPUT
DDA LTD
CON 2/8
R103
2M2
3
2
1
8
4
IC7A
TL072
C60
33P
R104
3K3
R10575C61
100/16
R106
100K
MIX PHASE
CON2/7
CON1/34
R100
100K
C58
100/16
R102
3K3
R101
3K3
C59
220N
TR17
J111
D15
1N4148
CON2/6
CON2/5
CON1/33
SUBGROUP SWITCH
ON SUB PCB
PC1125
R26
10K
TR3
J111
C155
33P
C9
33P
5
6
7
IC1B
NE5532
R19
75
R23
10K
R22
10K
R25
2M2
C10
100/16
V-V-
V+
R13
24K
C6
1N5
TR1
2SB737
D1
1N4148
R15
7K5
R16
7K5
D4
1N4148
D2
1N4148
R14
75
VR1
10K-
R20
4K7
R17
27K
VR2
501
CMMR TRIM
CON1/32
CON1/29
OPT NTM1
1:1
+5V
R8
1K5
R9
330
SW2
SUJ2
C2
47/63
R11
24K
C4 100P
S?
SW 4PDT
DIN1/31A
DIN2/32B
DIN2/32A
+48V
MIC INPUT
+
-
C1
2.2/63
R2
6K81%
R1
6K81%
R3
1K
D88
1N4148
RL1
RELAY SPDT
D?
LED
DIN2/30B
DIN2/30A
LK?
LK
BUS1
D/I INPUT
+
-
R4
100K
R5
100K
R6
3K9
R7
3K9
R95
3K6
R10
1K5
C3
47/63
R12
24K
C5
100P
R97
10K
VR7
10KC
R99
1K2
VR6
104
BUS TRIM
TR2
2SB737
D3
1N4148
C7
220/16C8220/16
R21
4K7
R18
27K
12
13
14
IC2D
TL074
R24
75
C11
100/16
R27
2M2
CON2/1
CON2/2
LK?
LK
LK?
LK
CON1/25
TR4
J111
R28
10K
D5
1N4148
D6
1N4148
MIC
TAPE
LK?
LK
CON2/9
TO CD1062
ROUTING AND AUXILIARIES
CON2/15
CON4/16
CON4/15
MIX POST
CON4/18
SW4
SUJ4
MIX PRE
CON2/10 CON4/20
CON2/12 CON4/19
SW5
SUJ4
TO CD1060
EQ AND INSERT
POST
LED16
LED
MIC TO MIX
PRE
CON1/31
CON1/30 CON4/17
LK?
LK
DIRECT
FROM CHANNEL PAN
SW3
SUJ2
LED9
LED
CD1062
ROUTING AND AUXILIARIES
C?
C+
C55
33P
C56
33P
R98
75
R32
10K
C14
33P
C?
C+
DIN2/17AB
LK?
LK
BUS32
BUS MIX
BUS COMMON
R94
100K
R395
10K
R96
100K
C53
100/16
3
2
1
8
4
IC1A
NE5532
DIN2/3B
DIN2/3A
DIN1/13A
BUS OUT
+
-
VR3
502
C12
100/16
C13
100/16
R30
75
R29
75
3
2
1
8
4
IC3A
TL072
5
6
7
IC3B
TL072
5 6
SIL1C
4K7
7 8
SIL1D
4K7
1 2
SIL1A
4K7
3 4
SIL1B
4K7
R31
75
5
6
7
IC4B
TL074
TR6
J111
R37
10K
3 4
SIL2B
2K2
7 8
SIL2D
2K2
1 2
SIL2A
2K2
5 6
SIL2C
2K2
LK?
LK
R33
10K
R34
10K
C15
100/16
R35
100K
DIN1/10B
TAPE REVERSE R361
22K
CON3/32
VDD
R360
1M
8
9
10
IC18C
4011
12
13
11
IC18D
4011
V+
R334
22K
R335
100K
TR87
BC182
R155
100K
R338
100K
TO SUB PCB
PC1125
VSS
VSSVSS
V+VDD
D80
1N4148
D81
1N4148
R332
100K
TR86
BC182
R333
10K
D82
1N4148
R336
1M
R337
220K
R339
47K
R340
100K
TR88
BC182
R341
4K7
LP1
LAMP
CON3/31
R330
100K
5
6
4
IC17B
4011
5
6
4
IC16B
4011
VSS
RESET
MONITOR
BUS
C138
22N
R331
330K
SW15
SPAD
8
9
10
IC16C
4011
R91
22K
TR16
J111
R90
10K
VR5
502
METER ADJUST
TR5
J111
D8
1N4148D71N4148
C20
33P
R42
6K8
C22
100/16
3
2
1
4
1
1
IC5A
TL074
R36
10K
DIN1/12A
DIN1/12B
DIN2/4B
OSC/SLATE INPUT
-
+
C16
100/16
R40
6K8
R41
6K8
DIN2/4A
DIN2/5A
BUS MONITOR
+
-
TAPE A
+
-
R38
100K
R39
100K
C17
100/16
R43
6K8
R44
6K8
C18
33P
C19
33P
R45
6K8
C23
100/16
C26
100/16
R48
6K8
R53
6K8
R49
6K8
R53
6K8
C21
33P
R46
100K
C25
33P
R50
6K8
C38
100/16
R68
10K
C29
100/16
R55
10K
TR10
J111
TR7
J111
5
6
7
IC6B
TL074
R74
4K7
C41
100/16
VR4
10KC D?
D
TR14
J111
R88
10K
R89
100K D13
D
TR11
J111
C52
33N
CON1/39
DIN2/7B
DIN2/7A
CON3/35
R92
3K6
R93
75
12
13
14
IC5D
TL074
TR13
J111
R78
24K
R81
100K
C45
100/16
R82
3K3 3
2
1
8
4
IC4A
TL072
C47
33P
METER
VSSR86
75
R85
3K3
C48
100/16
MONITOR
TAPE
12
13
11
IC16D
4011
C139
22N
R347
330K
SW16
SPAD
1
2
3
IC16A
4011
R346
100K
12
13
11
IC17D
4011
R342
100K
1
2
3
IC17A
4011
D83
1N4148
R350
22K
VSSVSS
VSS
VSS
V+
V+
VDD
D85
1N4148
TR89
BC182
R343
100K
D87
1N4148
R344
1M
R345
220K
R353
100K
D86
1N4148
R354
10K
VSS
VSSVSS VSS
D84
1N4148
TR90
BC182
R355
1M
R356
220K
R357
47K
R358
100K
TR91
BC182
R359
4K7
LP2
LAMP
VSS
R349
1M
1
2
3
IC18A
4011
5
6
4
IC18B
4011
8
9
10
IC17C
4011
CON2/11 DIN1/11A
DIN1/10A
CON3/39
CON3/36
VDD
R87
100K
R351
1M
R352
22K
R348
22K
OVERDUB
RECORD/BUS
CON1/35
CON1/40
R79
10K
D11
1N4148
C51
33N
C44
100/16
R83
3K3
C46
220N
TR15
J111
D14
1N4148
R84
2M2
MIX PHASE
MONITOR BUS
MONITOR -3dB
R77
10K
TR12
J111
D9
1N4148
C49
33N
D10
1N4148
C50
33N
C43
33P
R80
75
10
9
8
IC6C
TL074
R66
10M
R65
100K
C39
100/16 R72
10K
R73
75
C40
33P
R75
10K
C42
100/16
12
13
14
IC6D
TL074
R76
100K
C28
33P
TR9
J111
TR8
J111
C36
100/16
R64
10K
R70
10K
C37
100/16
C32
33P
R59
6K8
3
2
1
4
1
1 IC6A
TL074
R71
10M
R69
10M
R67
10M
DIN2/5B
DIN2/6A
DIN2/6B
TAPE B
+
-
R47
100K
R51
100K
C24
33P
C28
33P
R54
6K8
C30
100/16
C33
100/16
R57
6K8
R61
6K8
R58
6K8
R62
6K8
R56
100K
R60
100K
C31
33P
C35
33P
R63
6K8
C35
33P
CON1/37
CON1/38
TAPE A/B
SELECT
CON1/36
MONITOR TAPE
CON3/40
Page 5
Date: October 3 1, 1990 Sheet 4 of 4
Size Document Number REV
D CD1061 2
Title
DCM232/224 MUTE AND SOLO LOGIC
DDA LTD
D?
LED
CON4/10
CON4/9
CHAN CUT
V+
C137
33N
R319
100K
D78
1N4148
VDD
VSS
SUB PCB PC1125
R309
100K
5
6
4
IC15B
4011
R310
22K
R312
22K
R313
100K
R314
100K
R329
75
TR78
BC182
S?
SW SPST
CON4/8
CON4/7
CHANNEL
CUT
SUB PCB
PC1125
R311
330K
C135
22N
12
13
11
IC15D
4011
12
13
11
IC12D
4011
1
2
3
IC12A
4011
R237
100K
R239
330K
MIX CUT
R243
2K2
MANUAL/AUTOMATION
SELECT
S26
SUJ2
SW12
SPAD
DIN1/11B
AUTOMATION
MUTE SEND
D?
D
DIN1/6A
CON3/29
VDD
R265
1M
R266
100K
R268
22K
12
13
11
IC13D
4001
CON3/38
AUTOMATION CUT
A ENABLE
MUTE A BUS
VDD
VSS
D64
1N4148
R240
22K
R241
100K
TR71
BC182
R242
10K
D58
1N4148
VSS VSS
VSS
VSS
V+
V+
C126
22N
R244
22K
R245
100K
C127
33N
TR72
BC182
R246
9K1
R247
220K
R249
2K2
D57
1N4148
V+
SHUNT FET
MIX CUT
D59
1N4148
R253
1M
TO CD1062
VSS
VDD
CON3/33
CHANNEL CUT
RESET
R316
1M
R317
100K
VSS
D77
1N4148
TR79
BC182
R315
100K
1
2
3
IC14A
4011
VSS
VSS
V+V+
VSS
R318
22K
R320
100K
TR84
BC182
R321
220K
R322
1M
R323
100K
R324
2K2
TR85
BC212
R325
100K
SERIES FET
CONA/8
CONA/7
CHANNEL CUT
SHUNT FET
R326
1M
D79
1N4148
R327
220K
TO CD1062
+5V +5V
D90
1N4148
D89
1N4148
R376
150
TR92
BC212
CON3/27
C141
22/25
DIN1/16A
DIN1/16B
V+
R364
10
VSS
VSS
VSS
SERIES FET
TR73
BC212
R250
100K
R251
1M
D60
1N4148
R252
220K
TR74
BC182
R256
4K7
LP3
LAMP
VSS
ON CUT
R248
100K
R254
47K
R255
100K
VSS
R?
R
VDD
D62
1N4148
DIN1/6B
CON3/25
VDD
VSS
VDD
VSS
R267
1M
R261
1M
R262
100K
R263
1M
R264
22K
D61
1N4148
8
9
10
IC13C
4001
R260
1M
B ENABLE
MUTE B BUS
CON3/30
VDD
DIN1/5B
VDD
CON3/34
R259
100K
1
2
3
IC13A
4001
D66
1N4148
R270
1K
R269
1M
R272
100K
R271
1M
5
6
4
IC14B
4011
MIX CUT
SIP MUTE
SAFE
R?
R
TR?
NPN
VSS
5
6
4
IC13B
4001
D65
1N4148
DIN1/16B
DIN1/16B
DIN1/16B
DIN1/16B
OV
R365
R
C142
220/25
R367
10
R369
10
R370
10
C144
22/25
C146
22/25
C147
22/25
C150
22/25
R374
10
C151
22/25
CONA/1
CON5/19
IC10/11
IC3/4
IC1/2/5/6/EBO
IC7/8/9
V-
R
10K
2/18
4/20
6/22
LED1
LED
LED2
LED
LED3
LED
LED4
LED 8/24
10/26
12/28
14/30
16/32
LED5
LED
LED6
LED
LED7
LED
LED8
LED
CON3/28
CONA/2
CON5/20
IC10/11
C143
220/25
R368
10
C145
22/25
R371
10
DIN1/15A
DIN1/15B
V-
R366
10
V+
R300
100K
D67
1N4148
VDD
DIN1/8A
RESET
R274
100K
R273
1M
12
13
11
IC14D
4011
R275
100K
MIX SOLO
SW13
SPAD
5
6
4
IC12B
4011
8
9
10
IC12C
4011
EXT MUTE
VSS
DIN1/5A
DIN1/4B
DIN1/4A
SIP MODE
SOLO EN
FLASH
VDD
R276
330K
C128
22N
R277
1M
D68
1N4148
D69
1N4148
D70
1N4148
R278
1K
R279
1K
R280
1K
8
9
10
IC14C
4011
MIX SOLO
R286
22K
R287
47K
R288
100K
TR76
BC182
R289
4K7
LP4
LAMP
D?
D
VSS
VSS
V+
TR?
BC182
V+
R295
100K
R296
100K
R297
1M
R299
100K
R298
220K
R307
100K
C132
33N
TR81
BC182
SHUNT FET
SERIES FET
MIX SOLO
R301
100K
R308
100K
C131
100N
TO CD1062
DIN1/1A
DIN1/1B
+5V
R363
10
C154
22/25
CON4/13
C148
22/25
R372
10
C149
22/25
C152
22/25
R375
10
C153
22/25
IC3/4
IC1/2/5/6/EBO
IC7/8/9
DIRECT
MIX
DI
HF/LF EQ
CHANNEL
LED9
LED
LED10
LED
LED11
LED
LED12
LED
LED13
LED INSERT
CHANNEL
MID EQ
CHANNEL
CHAN/MIX
REVERSE
PRE/POST
FADER
REVERSE
LED14
LED
LED15
LED
LED16
LED
LED17
LED
RESET
IC12/13/14/15/16/17/18
R328
10K
C136
22/25
DIN1/2A
DIN1/2B
OV LOGIC
DIN1/7A
DIN1/7B
VDD
VSS
R362
10
C140
22/25
SHUNT FET
SERIES FET
CHANNEL SOLO
C133
100N
VSS
VSS
V+
R302
100K
R303
100K
TR82
BC182
R306
100K
R304
1M
D76
1N4148
TR83
BC182
R305
220K
C134
33N
VSSVSSVSS
VSSVSS
CHAN SOLO
5
6
4
IC15B
4011
R290
22K
R292
47K
R291
3K3
R293
10K
LED18
LED
TR77
BC182
CHANNEL
SOLO
VDD
VSS
RESET
D71
1N4148
D72
1N4148
D73
1N4148
D74
1N4148
R281
1K
R282
1K
R283
1K
R284
1M
C156
100N
SW14
SUJ2
R285
100K
8
9
10
IC15C
4011
VSS
C130
22N
R294
330K
DIN1/3A
DIN1/3B
VSS
Page 6
Date: December 1, 1992 Sheet 1 of 2
Size Document Number REV
D CD1065-3 B
Title
DCM232 SUB PCB
DDA LTD
CON3/38
1
2
3
IC3A
4011
1
2
3
IC3A
4011
D30
1N4148
1
2
3
IC3A
4011
+5V
R3
100K
R2
1M
CON3/30
CON3/33
CON3/29
CON3/25
CON3/34
CON5/8
VDD
5
6
SIL10C
2K2
1
2
SIL10A
2K2
3
4
SIL10B
2K2
7
8
SIL10D
2K2
R204
2K2
AUTOM. CUT
MIX CUT
CHANNEL CUT
INSERT IN
MUTE A
MUTE B
CHAN PHASE
FILTER IN
MID EQ IN
AUX 2 ON
AUX1/2 CHAN
AUX 4 ON
AUX3/4 CHAN
AUX A/B PRE
AUX A/B MON
AUX B ON
MIX PHASE
SAFE
VDD
20
VDD
19
CLK
21
DAT
22
EN
23
VSS
1
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
10
9
11
8
12
7
13
6
14
5
15
4
16
3
17
2
18
40
19
39
20
38
21
37
22
36
23
35
24
34
25
33
26
32
27
31
28
30
29
29
30
28
31
27
32
26
33
25
34
24
IC2
5450
VSS
DATA
VSS
VCC
CLOCK
VCC
A
B
C
BLK EN
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
IC1
74LS138
1
2
3
4
5
6
7
8
9
10
CON6
IDC10
R1
100K
R79
100K
C1
2N2
C35
3N3
VSS
AUX A ON
AUXA/B CHAN
NOT USED
AUX 3/4 PRE
AUX 3 ON
AUX 1/2 PRE
AUX 1 ON
HF/LF EQ IN
+48V ON
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
VSS
R80
10K
R54
4K7
+5V+5V+5V
R53
100K
TR23
BC182
LED23
LED
CHAN
R51
150
D7
D8
+5V +5V
LED1
LED
LED2
LED
LED3
LED
AUX1
AUX2
TR1
BC212
R9
150
TR2
BC182
TR3
BC182
TR4
BC182
R11
100K
R12
4K7
R13
100K
R14
4K7
R15
100K
R16
4K7
TR?
BC182
TR?
BC182
TR?
BC182
+5V
VSS
+5V
R10
10K
D1
1N4148
D2
1N4148
R39
100K
R40
4K7
R41
100K
R42
4K7
R43
100K
R44
4K7
VSS
+5V+5V
TR15
BC212
D6
1N4148
D5
1N4148
R37
150
R38
10K
LED16
LED
LED17
LED
LED18
LED
3/4PRE
3/4CHAN
+5V
R26
4K7
R28
4K7
R30
4K7
VSS
+5V+5V
TR8
BC212
R23
150D31N4148
D4
1N4148
R24
10K
LED8
LED
LED9
LED
LED10
LED
B ON
MIX
PHASE
TR11
BC182
TR10
BC182
TR9
BC182
R25
100K
R27
100K
R29
100K
1
2
3
IC3A
4011
VSS
LED11
LED
LED12
LED
LED13
LED
LED14
LED
INSERT
MUTE A
MUTE B
SAFE
CHANNEL
CUT
TR14
BC182
TR13
BC182
TR12
BC182
R31
100K
R33
100K
R35
100K
CON4/10
CON4/9
V+
R32
4K7
R34
4K7
R36
4K7
VSS
VDDVDD
LED19
LED
LED20
LED
LED21
LED
LED22
LED
A/B PRE
A/B CHAN
MONITOR
A ON
R142
2K2
R143
2K2
TR?
BC182
TR?
BC182
TR?
BC182
R45
100K
R46
4K7
R47
100K
R48
4K7
R49
100K
R50
4K7
VSS
LED4
LED
LED5
LED
LED6
LED
LED7
LED
1/2PRE
1/2CHAN
AUX3
AUX4
TR5
BC182
TR6
BC182
TR7
BC182
R17
100K
R18
4K7
R19
100K
R20
4K7
R21
100K
R22
4K7
VSS
R55
100K
R57
100K
R59
100K
R61
100K
TR24
BC182
TR25
BC182
TR26
BC182
TR27
BC182
LED24
LED
LED27
LED
LED28
LED
LED30
LED
LED31
LED
PHASE
+48V
FILTER
HF/LF EQ
MID EQ
R52
10K
TR22
BC212
R56
4K7
R58
4K7
R60
4K7
R62
4K7
V+
CON1/29
+48V RELAY
R95
100K
R136
10K D18
4V7
VSS
VSS VSS
V+
CON2/15
CHANNEL PHASE
R96
1M
C10
100N
R97
10K
TR34
BC182
R98
220K
C11
100N
VSS VSS
V+
VSS
V+
V+
R150
100K
R151
1M
C36
100N
TR57
BC182
R152
10K
R153
100K
R154
10K
TR58
BC182
R157
100K
D20
1N4148
R155
100K
R156
10K
D19
1N4148
R158
10K
CON3/19
CON3/20
AUX1 0N
V+
C37
100N
A
14
B
13
E
15
Q0
12
Q1
11
Q2
10
Q3
9
U?B
4556
VSS
R144
100K
R?
100K
VSS
R?
10KS
VSS
R?
10KS
V+
PRE
POST
CHANNEL
CON3/21
CON3/18
R195
100K
R196
1M
C27
100N
C28
100N
TR49
BC182
TR50
BC182
1 2
SIL4A
100KS
3 4
SIL4B
100KS
1 2
SIL6A
4K7S
3 4
SIL6B
4K7S
VSS
VSS VSS
V+
V+
CON3/6
AUXB ON
LED15
LED
C46
100N
R197
10K
R198
100K
R199
10K
R200
100K
R201
10K
R202
100K
R203
10K
TR67
BC182
D30
1N4148
D29
1N4148
VSS
CON3/5
V+
CON2/11
MIX PHASE
TR68
BC182
C47
100N
R103
100K
R104
10K
R106
220K
R105
1M
C14
100N
TR36
BC182
C15
100N
VSS
R?
10KS
V+
R?
10KS
V+
PRE
POST
MIX
CON3/17
CON3/22
AUX3/4
C29
100N
C30
100N
TR51
BC182
TR52
BC182
5 6
SIL4C
100KS
7 8
SIL4D
100KS
5 6
SIL6C
4K7S
7 8
SIL6D
4K7S
AUXA ON
CON3/8
CON3/7
R191
100K
R192
10K
C45
100N
D28
1N4148
R193
100K
R194
10K
D27
1N4148
CON3/23
CON3/24
AUX2 0N
VSS VSS
VSS
V+
C39
100N
R186
100K
R187
1M
C44
100N
R188
10K
R189
100K
TR66
BC182
TR65
BC182
R190
10K
VSS VSS
VSS
V+
R159
100K
R160
1M
C38
100N
R161
10K
TR59
BC182
R162
100K
R167
10K
TR60
BC182
R163
100K
D22
1N4148
R164
10K
R166
10K
R165
100K
D21
1N4148
VSS VSS
VSS
V+
CON2/16
FILTER IN
R134
100K
R135
1M
TR43
BC182
C22
100N
R137
10K
TR44
BC182
C12
100N
R101
10K
R102
220K
R107
100K
VSS VSS
V+
CON2/17
V+
HF/LF EQ
R99
100K
R100
1M
TR35
BC182
C13
100N
R108
1M
TR37
BC182
R109
10K
R110
100K
R114
100K
R115
10K
C16
100N
D13
1N4148
V+
VDD
R138
2K2
R139
2K2
R140
100K
R141
100K
A
14
B
13
E
15
Q0
12
Q1
11
Q2
10
Q3
9
U?B
4556
VSS
VSS
R?
10KS
CON3/9
R?
10KS
V+
PRE
POST
V+
VDD
TR45
BC182 C23
100N
1 2
SIL1A
100KS
1 2
SIL3A
4K7S
3 4
SIL3B
4K7S
A
2
B
3
E
1
Q0
4
Q1
5
Q2
6
Q3
7
U?A
4556
VSS
VDDVDD
R148
100K
R149
100K
R147
2K2
R146
2K2
VSS
R?
10KS
CON4/2
V+
R?
10KS
V+
PRE
POST
CHANNEL
VSS
R116
100K
TR53
BC182 C31
C
1 2
SIL7A
100KS
1 2
SIL9A
4K7S
3 4
SIL9B
4K7S
VSS VSS
VSS VSS
V+
V+
CON2/19
INSERT IN
R118
10K
R119
100K
R123
100K
R124
10K
R120
10K
R117
1M
TR39
BC182
D15
1N4148
C18
100N
VSS
CON2/20
R121
100K
R122
10KTR40
BC182
C19
100N
VSS
CON4/1
VSS
R?
10KS
CON4/3
V+
R?
10KS
V+
PRE
MIX
AUXA/B
TR54
BC182
TR55
BC182 C33
100N
C32
100N
3 4
SIL7B
100KS
5 6
SIL7C
100KS
5 6
SIL9C
4K7S
PRE
AUX3 ON
CON3/11
CON3/12
VSS
CON3/9
VSS
R?
10KS
CON3/9
V+
R?
10KS
V+
MIX
AUX 1/2
C41
100N
TR46
BC182
TR47
BC182
C24
100N
C25
100N
3 4
SIL1B
100KS
5 6
SIL1C
100KS
5 6
SIL3C
4K7S
VSS VSS
VSS
V+
V+
R168
100K
R169
1M
C40
100N
R170
10K
TR61
BC182
R171
100K
R172
10K
TR62
BC182
R173
100K
R174
10K
D24
1N4148
R175
100K
R176
10K
D23
1N4148
R179
10K
VSS VSS
VSS
CON2/18
V+
V+ MID EQ
CON2/4
R111
10K
TR38
BC182
R112
100K
R113
10K
C19
100N
R126
1M
TR41
BC182
R127
10K
R128
100K
R132
100K
R133
10K
C20
100N
R129
10K
D17
D
R125
100K
VSS VSS
VSS
CON2/3
TR42
BC182
R130
100K
R131
10K
C21
100N
VSS VSS
VSS
V+
R177
100K
R178
1M
C42
100N
TR63
BC182
R180
100K
R181
10K
TR64
BC182
R182
100K
R183
10K
R184
100K
R185
10K
D26
1N4148
D25
1N4148
AUX4 ON
CON3/15
CON3/16
VSS
CON3/9
POST
C43
100N
TR48
BC182 C26
100N
7 8
SIL1D
100KS
7 8
SIL3D
4K7S
VSS
CON4/4
POST
TR56
BC182 C34
100N
7 8
SIL7D
100KS
7 8
SIL9D
4K7S
Page 7
Date: July 4, 1990 Sheet 2 of 2
Size Document Number REV
C CD1066 3
Title
DCM232 SUB BOARD
DDA LTD
CON1/1
CON1/2
LED43
LED
SW8
SUJ4
BUS1
BUS17
SHIFT
LED35
LED
SW16
SUJ6
CON1/28
MIC/DI
TAPE
PAN
LED34
LED
SW17
SUJ4
FROM CD1062
R77
10K
TR30
BC182
R78
10K
TR31
BC182
LED32
LED
LED33
LED
8
9
10
IC4C
4011
R74
100K
1
2
3
IC4A
4011
5
6
4
IC4B
4011
12
13
11
IC4D
4011
R75
330K
SW4
SUJ2
DIN1/32B
DIN1/31B
DIN1/32A
MIC
CHANGE
TAPE
R89
22K
R91
22K
R93
22K
VSS VSS
R94
1M
R90
1M
VSS
VSS
R92
1M
C6
22N
MIC/TAPE
FILTER
LED25
LED
LED26
LED
LED29
LED
SW3
SUJ4
CON1/26
CON1/27
SUB
TAPE A/B
FILTER
CON1/24
CON1/23
FROM CD1062
+5V
+5V
D31
1N4148
CON1/3
CON1/4
LED42
LED
SW9
SUJ4
BUS3
BUS19
CON1/5
CON1/6
LED40
LED
LED41
LED
SW10
SUJ4
SW11
SUJ4
BUS5
BUS21
TR?
PNP
VSS
D32
1N4148
R206
10K
R205
150
VSS
V+
R64
100K
R63
100K
CON2/13
CON2/14
CON1/33
FROM CD1060
SUB
CON1/31
CON1/33
CON2/6
SW1
SUJ4
CON1/25
CON1/34
CON2/7
FROM CD1059
R76
100K
R81
1M
VSS
V+
CON2/2
R82
10K
R84
100K
C8
100N
R87
100K
R83
100K
TR32
BC182
MIC/TAPE
CON1/7
CON1/8
LED39
LED
SW12
SUJ4
BUS7
BUS23
BUS9
CON1/9
CON1/10
CON1/11
LED38
LED
SW13
SUJ4
BUS25
BUS11
TO CD1059
VSS
VSS
V+
CON2/1
R85
100K
R86
100K
R88
100K
D11
1N4148
C9
100N
TR33
BC182
VSS
CON2/10
CON2/13
MID2
X3
CON2/9
SW5
SUJ2
FROM CD1060
CON2/14
MID1
X3
CON2/2
CON2/1
CON2/5
SW6
SUJ2
FROM CD1060
CON3/31
CON3/32
TAPE A/B
SW2
SUJ2
FROM CD1059
VSS
R65
100K
R66
1M
VSS
V+
D?
D
V+
D?
D
CON1/37
TAPE REVERSE
CON1/38
R67
100K
R68
100K
R69
100K
R70
100K
R71
100K
R72
100K
R73
10K
C4
2N2
C5
2N2
TR28
BC182
TR29
BC182
TO CD1059
CON1/12
CON1/13
CON1/14
LED37
LED
SW14
SUJ4
BUS27
BUS13
BUS29
CON1/15
CON1/16
LED36
LED
SW15
SUJ4
BUS15
BUS31
VSS
CHANNEL
CUT
CON2/6
CON4/7
CON4/8
SW7
SUJ2
FROM CD1061
CON1/17
CON1/18
Page 8
Date: October 30, 1990 Sheet 3 of 4
Size Document Number REV
D CD1103 1
Title
DCM224 ROUTING AND AUXILIARIES
DDA LTD
DIN2/25B
DIN2/25A
BUS2
LED1
LED
LED2
LED
SW18
SUJ4
R378
10K
R379
10K BUS14
S?
SW 4PDT
D?
LED
CON1/1 DIN2/16B
CON1/2 DIN2/16A
D?
LED
BUS1R395
10K
R396
10K BUS13
CON1/24
CON1/23
SHIFTR193
39K
R194
75
C107
100/16
R196
100K
R198
39K
CON1/28
PAN IN
SUB PCB PC1125
V+
V-
R192
22K
R195
75
C106
22
1
2
3
VR17A
4K7 DUAL
4
5
6
VR17B
4K7 DUAL
10
9
8
IC2C
TL074
R190
2K7
CON1/30 CON4/17
LED15
LED
SW10
SUJ4
CHAN/MIX REV
CONA/9
CONA/10
CONA/7
CONA/8
CONB/7
CONB/6
CONB/8
CONB/5
SERIES
SHUNT
SERIES
SHUNT
PC1137
PLUG IN PCB
SW9
SUJ6
FADER REVERSE
LED17
LED
CONB/2 CONB/4
CONB/1 CONB/3
MIX CUT
CHAN CUT
PC1137
PLUG IN PCB
FROM CD1060
EQ AND INSERT
FROM CD1061
SOLO AND MUTE LOGIC
CHANNEL PRE
TO CD1059
CON3/14
CON3/9
C112
2N2
C113
2N2
R208
10M
R207
10M
TR29
J111
TR30
J111
MIX PRE
CHANNEL POST
MIX POST
5 6
SIL3C
18KS
7 8
SIL3D
18KS
1
2
3
VR18A
10K DUALCON
4
5
6
VR18B
10K DUALCON
TR34
J111
TR33
J111
TR35
J111
TR36
J111
DIN1/24B
DIN1/24A
AUX1
AUX2
V+
V-
V+
R197
22K
R200
75
C108
22
R202
22K
C110
22
3
2
1
4
1
1
IC2A
TL074
R191
2K7
5
6
7
IC2B
TL074
R199
75
C109
100/16
R201
100K
R203
39K
R204
75
C111
100/16
CON1/26
CON1/27
DCM224 DCM232
S?
SW 4PDT
CON1/3 DIN2/15B
CON1/4 DIN2/15A
S?
SW 4PDT
D?
LED
CON1/5 DIN2/14B
CON1/6 DIN2/14A
BUS3
BUS5
R397
10K
R398
10K
R399
10K
R400
10K
BUS15
BUS17
DIN2/24B
DIN2/24A
DIN2/23B
DIN2/23A
BUS4
BUS6
LED3
LED
SW20
SUJ4
SW19
SUJ4
R383
R
R380
10K
R381
10K
R382
10K
BUS16
BUS18
DIN2/22B
DIN2/22A
DIN2/21B
BUS8
BUS10
LED4
LED
LED5
LED
SW22
SUJ4
SW21
SUJ4
R384
10K
R385
10K
R386
10K
BUS20
S?
SW 4PDT
D?
LED
CON1/7 DIN2/13B
CON1/8 DIN2/13A
S?
SW 4PDT
D?
LED
CON1/9 DIN2/12B
BUS7
BUS9
R401
10K
R403
10K
R402
10K BUS19
DIN1/30B
DIN1/30A
DIN1/28B
L MIX+
L MIX-
R MIX+
R MIX-
R221
6K8
R222
6K8
R223
6K8
R224
6K8
R206
100K
CON1/20 CON5/12
CON1/19 CON5/11
CON1/21 CON5/15
SUB PCB PC1125
MIX
LED10
LED
SW11
SUJ6
V-
R205
75
EBO PCB
CON3/19
CON3/20
CON3/23
CON3/24
D27
D30
D28
D29
CON3/13
CON3/10
TR31
J111
TR32
J111
C114
2N2
C115
2N2
R210
10M
R209
10M
TR37
J111
C116
2N2
CON3/21
CON3/18
TR38
J111
C117
2N2
R211
10M
R212
10M
TR39
J111
C118
2N2
3 4
SIL3B
18KS
1 2
SIL3A
18KS
1
2
3
VR19A
10K DUALCON
4
5
6
VR19B
10K DUALCON
TR41
J111
TR42
J111
TR43
J111
TR44
J111
DIN1/23B
DIN1/23A
CON3/11
CON3/12
CON3/15
CON3/16
AUX3
AUX4
D31
D34
D32
D33
CON4/11
CON4/10
1
2
3
VR24A
4K7 DUAL
4
5
6
VR24B
4K7 DUAL
R225
2K2
R226
2K2
CON1/22 CON5/16
CON5/18
CON5/17
CONA/5
CONA/6
COND/5
COND/6
COND/3
COND/4
PC1137
PLUG IN PCB
DIN1/28A
DIN2/12A
S?
SW 4PDT
D?
LED
DIN2/11B
DIN2/11A
S?
SW 4PDT
D?
LED
CON1/10
CON1/11
CON1/12
BUS11
R404
10K
R405
10K
R406
10K
BUS21
BUS23
DIN2/21A
DIN2/20B
DIN2/20A
BUS12
LED6
LED
LED7
LED
SW24
SUJ4
SW23
SUJ4
R387
10K
R388
10K
R389
10K
BUS22
BUS24
DIN2/19B
DIN2/19A
DIN2/18B
DIN2/18A
LED8
LED
SW25
SUJ4
R390
10K
R391
10K
R392
10K
R393
10K
BUSB
BUSD
DIN2/10B
DIN2/10A
S?
SW 4PDT
D?
LED
CON1/13
CON1/14
CON1/15
CON1/16
DIN2/9B
DIN2/9A
R407
10K
R408
10K
R409
10K
R410
10K
BUSA
BUSC
DIN1/14B
DIN1/14A
AFL LEFT
AFL RIGHT
TR58
J111
TR60
J111
TR57
J111
TR59
J111
D43
1N4148
D46
1N4148
D44
1N4148
5 6
SIL5C
10K
1 2
SIL5A
10K
AUXA LEFT
3 4
SIL4B
18KS
R450
3K3
VR20
10K
1
2
3
VR21A
4K7 DUAL
CON3/17
CON3/22
CON4/19
MON RET OPT
B/CAST MODE
TR40
J111
C119
2N2
R213
10M
R214
10M
TR45
J111
C120
2N2
CON4/2
CON4/1
TR46
J111
C121
2N2
R216
10M
TR47
J111
C122
2N2
R215
10M
R451
3K3
R219
3K3
4
5
6
VR21B
4K7 DUAL
1
2
3
VR23A
4K7 DUAL
1 2
SIL4A
18KS
7 8
SIL4D
18KS
D38
1N4148
D37
1N4148
D42
1N4148
TR49
J111
TR51
J111
TR53
J111
DIN1/26B
DIN1/26A
CON3/8
CON3/7
DIN1/25B
AUXA RIGHT
AUXB LEFT
D35
1N4148
D36
1N4148
D39
1N4148
TR50
J111
TR52
J111
TR54
J111
SHUNT
SERIES
MIX SOLO
TR61
J111
D47
1N4148
D45
1N4148
D48
1N4148
FROM CD1061
R227
12K
7 8
SIL5D
12K
DIN1/13B
PFLTR62
J111
SUB PCB PC1125
TR64
J111
TR66
J111
TR68
J111
CON3/2
TR63
J111
TR65
J111
TR67
J111
D49
1N4148
D52
1N4148
D50
1N4148
D53
1N4148
R228
12K
3 4
SIL5B
12K
DIN1/25A
CON3/6
CON3/5
DIN1/21B
DIN1/21A
DIN1/19B
TO DIRECT SWITCH
AUXB RIGHT
L MON MIX+
L MON MIX-
R MON MIX+
D40
1N4148
TR56
J111
CONB/10
CONB/9
CONA/3
COND/9
COND/10
COND/7
PC1137
5 6
SIL4C
18KS D41
1N4148
TR55
J111
R217
10M
R236
1M
D91
1N4148
R234
10K
R220
3K3
VR22
10K
4
5
6
VR23B
4K7 DUAL
CON4/3
CON4/4
V+
TR48
J111
C123
2N2
R218
10M
R231
100K
VSS
VSS
CON5/8
AUX TO MONITOR BUS
FROM SUB PCB PC1125 R229
100K
R230
1M
TR69
BC182
VSS
V+
R232
100K
TR70
BC182
R233
100K
C124
100N
R235
100K
C125
100N
AUX TO MONITOR
CONA/4
COND/8
PLUG IN PCB
DIN1/19A
R MON MIX-
SHUNT
SERIES
CHANNEL SOLO
D51
1N4148
D54
1N4148
FROM CD1061
Page 9
Date: July 3, 1990 Sheet 2 of 4
Size Document Number REV
D CD1102 1
Title
DCM224 EQUALISER
DDA LTD
3
2
1
8
4
IC21A
TL072
C218
100/16
R484
10K
D?
D
CON2/12
C213
220N
R479
3K9
C214
100N
R480
3K9
R482
6K8
R481
6K8
C215
2N2
C216
1N
C217
100N
R483
1M
TR17
J175
LED13
LED
FILTER TO CHANNEL
SW26
SUJ4
R487
10
R478
10K
CON2/18
TR23
J111
D21
1N4148
R475
100K
R476
100K
C211
100N
10
9
8
IC20C
TL074
C212
100/16
R477
10K
R464
10K
R465
6K8
12
13
14
IC20D
TL074
R466
10K
C207
33P
C79
100/16
C80
100/16
R138
10K
R463
10K
1
2
3
VR9A
100K-
4
5
6
VR9B
100K-
VR9C
10KC
C?
C
C206
100/16
R461
10K
VR10
10KC
R467
4K7
R462
10K
10
9
8
IC19C
TL074
C204
100/16
R453
10K
R455
75
5
6
7
IC7B
TLTL074
C201
33P
R454
10K
R456
10K 5
6
7
IC19B
TL074
VR8
10KC
R458
10K
R457
10KC202
33P
3
2
1
4
1
1
IC19A
TL074
CON4/20
CON4/19
FROM
CD1059
R452
10K
C200
100/16
SW6
SUJ4
LED12
LED
EQ TO CHANNEL
R459
6K8
C203
22N
1
2
3
VR8A
100K-
POT?
POT
R460
3K
4
5
6
VR8B
100K-
R468
4K7
R470
10K
R469
3K3
C219
33P
R471
10K
R472
10K
12
13
14
IC19D
TL074
1 2
3
VR10A
100K-
R473
3K9
5
6
7
IC20B
TL074
C209
2N2
4 5
6
VR10B
100K-
R474
3K9
C210
10N
3
2
1
4
1
1
IC20A
TL074
C208
22N
R140
10K
CON2/17
TR24
J111
D22
1N4148
1
2
3
VR14A
100K-
4
5
6
VR14B
100K-
LED14
LED
SW7
SUJ4
R137
10K
C77
100/16
R139
10K
C81
33
R143
10K
C82
33
10
9
8
IC5C
TL074
R144
75
R142
10K
R141
10K
C83
100/16
R145
10K
R146
75
DIN2/1B
DIN2/1A
DIN2/2B
DIN2/2A
R157
10K
R156
10K
C85
100/16
C86
100/16
R149
7K5
R151
7K5
R150
7K5
R152
7K5
C87
33P
C88
33P
R153
15K
C89
33
C90
33
R154
7K5
5
6
7
IC5B
TL074
CON2/19
C91
100/16
R147
10K
TR26
J111
D24
1N4148
C84
100/16
R148
100K
TR25
J111
D23
1N4148
R488
220K
C223
220N
5
6
7
IC21B
TL072 C224
100/16
R440
10K
R489
220K
CONB/2 CONB/4
PLUG IN PCB PC1137
CON2/20
R175
10K
R160
10K
LED15
LED
SW8
SUJ4
R158
100K
C77
100/16
R159
10K
R161
4K7
R163
330
R162
10K
C94
1N5
R189
100K
C93
33P
C98
100/16
R172
100K
VR12C
10KC
10
9
8
IC10C
TL074
R171
100K
97
6N8
SW27
SUJ2
R173
10K
R174
4K7
C99
33P
10
9
8
IC11C
TL074
R177
330
R176
10K
VR16C
10KC
R181
100K
CON3/14
CON3/10
CON3/13
C102
47N
R186
100K
C100
10N
FREQ X3
ON SUB PCB
PC1125
CON2/4
CON2/3
C104
100/16
R187
100K
TR28
J111
D26
1N4148
TR27
J111
D25
1N4148
C105
100/16
R188
100K
TO CD1103
ROUTING AND AUXILIARIES
CONB/1 CONB/3
CON3/9
5
6
7
IC11B
TL074
C101
4N7
4 5
6
VR16B
100K-
R185
6K8
R184
75
3
2
1
4
1
1
IC11A
TL074
C103
22N
R182
75
VR15
10KC
R178
3K3
R179
10K
R183
10K
12
13
14
IC11D
TL074
1 2
3
VR16A
100K-
R180
6K8
R170
6K8
R169
75
C96
3N3
3
2
1
4
1
1
IC10A
TL074
R164
3K3
R165
10K
R168
10K
12
13
14
IC10D
TL074
1 2
3
VR12A
100K-
R166
6K8
R167
75
C95
680P
5
6
7
IC10B
TL074
4 5
6
VR12B
100K-
VR13
10KC
Page 10
Date: December 1, 1992 Sheet 1 of 2
Size Document Number REV
D CD1104-1 B
Title
DCM224 SUB PCB
DDA LTD
+5V+5V
TR8
BC212
R23
150D31N4148
D4
1N4148
CON3/38
1
2
3
IC3A
4011
D30
1N4148
VDD
R3
100K
R2
1M
CON3/30
CON3/33
CON3/29
CON3/25
CON3/34
CON5/8
VDD
5
6
SIL10C
2K2
1
2
SIL10A
2K2
3
4
SIL10B
2K2
7
8
SIL10D
2K2
R204
2K2
AUTOM. CUT
MIX CUT
CHANNEL CUT
INSERT IN
MUTE A
MUTE B
CHAN PHASE
FILTER IN
MID EQ IN
AUX 2 ON
AUX1/2 CHAN
AUX 4 ON
AUX3/4 CHAN
AUX A/B PRE
AUX A/B MON
AUX B ON
MIX PHASE
SAFE
VDD
20
VDD
19
CLK
21
DAT
22
EN
23
VSS
1
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
10
9
11
8
12
7
13
6
14
5
15
4
16
3
17
2
18
40
19
39
20
38
21
37
22
36
23
35
24
34
25
33
26
32
27
31
28
30
29
29
30
28
31
27
32
26
33
25
34
24
IC2
5450
VSS
DATA
VSS
VCC
CLOCK
VCC
A
B
C
BLK EN
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
IC1
74LS138
1
2
3
4
5
6
7
8
9
10
CON6
IDC10
R1
100K
R79
100K
C1
2N2
C35
3N3
VSS
HF/LF EQ IN
SW6
SUJ2
AUX A ON
AUXA/B CHAN
NOT USED
AUX 3/4 PRE
AUX 3 ON
AUX 1/2 PRE
AUX 1 ON
HF/LF EQ IN
+48V ON
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
VSS
R80
10K
R300
1K
R302
1K
VSS
+5V+5V+5V
R53
100K
R54
4K7
R55
100K
R56
4K7
R59
100K
R60
4K7
TR23
BC182
TR24
BC182
TR26
BC182
LED23
LED
LED24
LED
LED28
LED
CHAN
PHASE
+48V
R51
150
D7
D8
R52
10K
TR22
BC212
+5V +5V
LED1
LED
LED2
LED
LED3
LED
AUX1
AUX2
TR1
BC212
R9
150
TR2
BC182
TR3
BC182
TR4
BC182
R11
100K
R12
4K7
R13
100K
R14
4K7
R15
100K
R16
4K7
+5V
VSS
+5V
R10
10K
D1
1N4148
D2
1N4148
R39
100K
R40
4K7
R41
100K
R42
4K7
R49
100K
R50
4K7
TR?
BC182
TR?
BC182
TR?
BC182
VSS
+5V+5V
TR15
BC212
D6
1N4148
D5
1N4148
R37
150
R38
10K
LED16
LED
LED17
LED
LED21
LED
3/4PRE
3/4CHAN
TR?
BC182
+5V
VSS
LED20
LED
MONITOR
R47
100K
R48
4K7
R24
10K
LED9
LED
LED11
LED
MIX
PHASE
TR12
BC182
TR10
BC182
R27
100K
R28
4K7
R31
100K
R32
4K7
VSS
CON4/10
CON4/9
LED12
LED
LED13
LED
LED14
LED
LED15
LED
MUTE A
MUTE B
SAFE
CHANNEL
CUT
TR14
BC182
TR13
BC182
R33
100K
R34
4K7
R35
100K
R36
4K7
R?
10KS
V+
PRE
1 2
SIL6A
4K7S
TR?
BC182
TR?
BC182
VSS
VDDVDD
LED18
LED
LED19
LED
A/B PRE
A/B CHAN
A ON
LED8
LED
B ON
TR9
BC182
LED22
LED
R143
2K2
R142
2K2
R144
100K
VSS
R43
100K
R44
4K7
R45
100K
R46
4K7
R25
100K
R26
4K7
LED4
LED
LED5
LED
LED6
LED
1/2PRE
1/2CHAN
AUX3
AUX4
TR5
BC182
TR6
BC182
TR7
BC182
R17
100K
R18
4K7
R19
100K
R20
4K7
R21
100K
R22
4K7
LED7
LED
VSS
V+
R57
100K
R58
4K7
R61
100K
R62
4K7
TR25
BC182
TR27
BC182
LED27
LED
LED30
LED
FILTER
HF/LF EQ
MID EQ
LED10
LED
INSERT
TR11
BC182
R29
100K
R30
4K7
R97
10K
LED31
LED
INSERT IN
MID EQ IN
R303
1K
R301
1K
SW4
SUJ2
SW3
SUJ2
VSS
FILTER IN
SW5
SUJ2
VSS VSS
CON2/15
CHANNEL PHASE
V+
VSS
CON1/29
+48V RELAY
R95
100K
R96
1M
C10
100N
TR34
BC182
R98
220K
C11
100N
R134
100K
R135
1M
TR43
BC182
C22
100N
R136
10K
R137
10K
TR44
BC182
D18
4V7
VSS VSS
V+
VSS
V+
V+
R150
100K
R151
1M
C36
100N
TR57
BC182
R152
10K
R153
100K
R154
10K
TR58
BC182
R157
100K
D20
1N4148
R155
100K
R156
10K
D19
1N4148
R158
10K
CON3/19
CON3/20
AUX1 0N
VSS VSS
V+
VSS
V+
C37
100N
R186
100K
R187
1M
C44
100N
R188
10K
R189
100K
TR66
BC182
TR65
BC182
R190
10K
VSS
AUXA ON
CON3/8
CON3/7
R191
100K
R192
10K
C45
100N
D28
1N4148
R193
100K
R194
10K
D27
1N4148
R145
100K
A
14
B
13
E
15
Q0
12
Q1
11
Q2
10
Q3
9
U?B
4556
VSS
VSS
R?
10KS
V+
R?
10KS
V+
POST
CHANNEL
CON3/21
CON3/18
AUX3/4
C27
100N
C28
100N
TR49
BC182
TR50
BC182
1 2
SIL4A
100KS
3 4
SIL4B
100KS
3 4
SIL6B
4K7S
VSS VSS
V+
CON2/11
MIX PHASE
R103
100K
R104
10K
R106
220K
R105
1M
C14
100N
TR36
BC182
C15
100N
VSS
VSS
R?
10KS
V+
PRE
POST
MIX
CON3/17
CON3/22
C29
100N
C30
100N
TR51
BC182
TR52
BC182
5 6
SIL4C
100KS
7 8
SIL4D
100KS
5 6
SIL6C
4K7S
7 8
SIL6D
4K7S
VSS
V+
CON3/6
CON3/5
AUXB ON
R199
10K
R200
100K
R201
10K
R202
100K
R203
10K
TR68
BC182
C47
100N
D30
1N4148
D29
1N4148
CON3/23
CON3/24
AUX2 0N
VSS VSS
V+
C39
100N
R195
100K
R196
1M
C46
100N
R197
10K
R198
100K
TR67
BC182
VSS VSS
VSS
V+
R159
100K
R160
1M
C38
100N
R161
10K
TR59
BC182
R162
100K
R167
10K
TR60
BC182
R163
100K
D22
1N4148
R164
10K
R166
10K
R165
100K
D21
1N4148
VSS VSS
VSS VSS
V+
CON2/18
V+
CON2/17
HF/LF EQ
R107
100K
R108
1M
TR37
BC182
R109
10K
R110
100K
R111
10K
TR38
BC182
R112
100K
R114
100K
R115
10K
C16
100N
D13
1N4148
R113
10K
C19
100N
VSS VSS
V+
CON2/16
FILTER IN
VSS
V+
CON2/19
R99
100K
R100
1M
TR35
BC182
C12
100N
R101
10K
R102
220K
C13
100N
R118
10K
R123
100K
R124
10K
VSS VSS
V+
V+
R168
100K
R169
1M
C40
100N
R170
10K
TR61
BC182
R171
100K
R172
10K
TR62
BC182
R173
100K
R174
10K
D24
1N4148
R175
100K
R176
10K
D23
1N4148
AUX3 ON
CON3/11
CON3/12
A
14
B
13
E
15
Q0
12
Q1
11
Q2
10
Q3
9
U?B
4556
VSS
VDD
C41
100N
VDD
R138
2K2
R139
2K2
R140
100K
R141
100K
VSS
R?
10KS
CON3/9
R?
10KS
V+
PRE
POST
VDD
V+
TR45
BC182
R148
100K
R149
100K
R147
2K2
C23
100N
1 2
SIL1A
100KS
1 2
SIL3A
4K7S
3 4
SIL3B
4K7S
CHANNEL
A
2
B
3
E
1
Q0
4
Q1
5
Q2
6
Q3
7
U?A
4556
VSS
VSS
R?
10KS
CON4/2
V+
VDD
R?
10KS
V+
CHANNEL
R146
2K2
TR53
BC182 C31
C
1 2
SIL7A
100KS
1 2
SIL9A
4K7S
3 4
SIL9B
4K7S
PRE
POST
5
6
4
IC3B
4011
8
9
10
IC3C
4011
12
13
11
IC3D
4011
VSS
PRE
AUXA/B
VSS
CON4/1
VSS
R?
10KS
CON4/3
V+
R?
10KS
V+
MIX
TR54
BC182
TR55
BC182 C33
100N
C32
100N
3 4
SIL7B
100KS
5 6
SIL7C
100KS
5 6
SIL9C
4K7S
VSS
VSS
R?
10KS
V+
R?
10KS
V+
PRE
MIX
AUX 1/2
TR46
BC182
TR47
BC182
C24
100N
C25
100N
3 4
SIL1B
100KS
5 6
SIL1C
100KS
5 6
SIL3C
4K7S
CON3/14
CON3/10
AUX4 ON
CON3/15
CON3/16
C43
100N
VSS
VSS VSS
V+
V+
R177
100K
R178
1M
C42
100N
TR63
BC182
R179
10K
R180
100K
R181
10K
TR64
BC182
R182
100K
R183
10K
R184
100K
R185
10K
D26
1N4148
D25
1N4148
V+
MID EQ
CON2/4
VSS VSS
VSS
V+
CON2/20
INSERT IN
R125
100K
R126
1M
TR41
BC182
R127
10K
R128
100K
R132
100K
R133
10K
C20
100N
R119
100K
R121
100K
R122
10K
R120
10K
R117
1M
TR39
BC182
TR40
BC182
D15
1N4148
C18
100N
C19
100N
R116
100K
VSS VSS
VSS
V+
CON2/3
TR42
BC182
R129
10K
D17
D
R130
100K
R131
10K
C21
100N
VSS
VSS
POST
TR48
BC182 C26
100N
7 8
SIL1D
100KS
7 8
SIL3D
4K7S
CON3/13
VSS
CON4/4
TR56
BC182 C34
100N
7 8
SIL7D
100KS
7 8
SIL9D
4K7S
POST
Page 11
Date: July 3, 1990 Sheet 2 of 2
Size Document Number REV
C CD1105 1
Title
DCM224 SUB BOARD
DDA LTD
CON1/1
CON1/2
LED43
LED
SW8
SUJ4
BUS1
BUS13
PAN SHIFT
LED34
LED
LED35
LED
SW17
SUJ4
SW16
SUJ6
CON1/28
TR30
BC182
TR31
BC182
LED32
LED
LED33
LED
MIC/DI
TAPE
FROM CD1062
8
9
10
IC4C
4011
R74
100K
R77
10K
R78
10K
1
2
3
IC4A
4011
5
6
4
IC4B
4011
12
13
11
IC4D
4011
R75
330K
SW4
SUJ2
DIN1/32B
DIN1/31B
DIN1/32A
MIC
CHANGE
TAPE
R89
22K
R91
22K
R93
22K
VSS
R94
1M
R90
1M
VSS VSS
VSS
R92
1M
C6
22N
MIC/TAPE
CON1/26
CON1/27
VSS
LED25
LED
LED26
LED
SUB
TAPE A/B
LINK
CON1/24
CON1/23
FROM CD1062
LINK
CON1/3
CON1/4
LED42
LED
SW9
SUJ4
BUS3
BUS15
CON1/5
CON1/6
LED40
LED
LED41
LED
SW10
SUJ4
SW11
SUJ4
BUS5
BUS17
FOR
DCM232
+5V +5V
D31
1N4148
R205
150
MIC/TAPE
FOR
DCM224
V+
R82
10K
R87
100K
R83
100K
SUB
CON1/31
CON1/33
CON2/6
SW1
SUJ4
CON1/25
CON1/34
CON2/7
FROM CD1059
VSS
R76
100K
R81
1M
VSS
VSS
V+
R84
100K
R85
100K
R86
100K
R88
100K
D11
1N4148
C9
100N
C8
100N
TR33
BC182
TR32
BC182
CON2/2
CON2/1
TO CD1059
D32
1N4148
R206
10K
TR69
BC212
CON1/7
CON1/8
LED39
LED
SW12
SUJ4
BUS7
BUS19
BUS9
CON1/9
CON1/10
CON1/11
LED38
LED
SW13
SUJ4
BUS21
BUS11
VSS
CON1/37
TO CD1059
V+
D?
D
V+
D?
D
TAPE REVERSE
R67
100K
R71
100K
R72
100K
R73
10K
C4
2N2
TR28
BC182
R65
100K
R66
1M
CON3/31
CON3/32
TAPE A/B
SW2
SUJ2
FROM CD1059
MID1
X3
CON2/2
CON2/1
CON2/5
SW6
SUJ2
FROM CD1060
VSS VSS
VSS
R68
100K
R69
100K
R70
100K
C5
2N2
TR29
BC182
CON1/38
CON1/12
CON1/13
CON1/14
LED37
LED
SW14
SUJ4
BUS23
BUS A
CON1/15
CON1/16
LED36
LED
SW15
SUJ4
BUS C
CHANNEL
CUT
CON2/6
CON4/7
CON4/8
SW7
SUJ2
FROM CD1061
CON1/17
CON1/18
Page 12
Date: January 30, 1995 Sheet 1 of 1
Size Document Number REV
D CD1095-2 C
Title
DCM224 STEREO GROUP/MONITOR/MATRIX SECTION
DDA LTD
LEFT
RIGHT
MATRIX4
STEREO
TO LEFT SWITCH
(SHEET1)
R267
4K7
R268
4K7
MATRIX4
STEREO
MATRIX3
STEREO
MATRIX2
STEREO
S16
4PSUJ
S17
4PSUJ
S18
4PSUJ
LED11
RED
LED12
RED
LED13
RED
-
+
MONITOR BUS
LEFT
MATRIX1
STEREO
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
IC36
SSM2402
S15
4PSUJ
LED10
RED
V+
5
6
7
IC34B
NE5532
C102
100U
R292
75R
R169
6K8
RP9
5K
1 2
SIL18A
10K
3 4
SIL18B
10K
3
2
1
8
4
IC33A
TL072
C99
100U
C109
100U
R167
75R
5 6
SIL17C
4K7
3
2
1
8
4
IC31A
TL072
R162
4K7
C96
100U
C97
100U
C95
33P
R161
75R
R163
75R
1
2
3
VR3A
4K7X2
8TRACK BUS
8TRACK BUS
LEFT
RIGHT
4TRACK BUS
V+
V-
R133
7K5
R154
4K7
R153
4K7
R136
10K
C84
100U
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
IC27
SSM2402
R134
75R
IN -
IN +
8TRACK
LEFT
(SHEET1)
3
2
1
8
4
IC25A
TL072
R130
15K
R131
15K
R128
10K
R132
7K5
R129
10K
B3
A3
C80
100U
C81
100U
C82
33P
C83
33P
IN -
IN +
8TRACK
RIGHT
5
6
7
IC25B
TL072
R139
15K
R140
15K
R141
7K5
R138
10K
R137
10K
B2
A2
C85
100U
C86
100U
C87
33P
C88
33P
V+
V+
V-
R142
7K5
R158
4K7
R157
4K7
R156
4K7
R155
4K7
R144
10K
C89
100U
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
IC28
SSM2402
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
IC29
SSM2402
R143
75R
3
2
1
8
4
IC31A
TL072
R172
4K7
R186
3K6
R185
6K8
RP1
5K
RP14
100K
METER+
METER-
METER
LEFT
R168
10K
R164
2K
R165
4K7
R166
15K
C98
33P
1
2
SIL17A
4K7
7 8
SIL17D
4K7
V+
V-
V- 3
2
1
8
4
IC34A
NE5532
C103
100U
R293
75R
R170
6K8
3
4
SIL17B
4K7
5 6
SIL18C
10K
7 8
SIL18D
10K
-
+
MIX BUS
LEFT
MATRIX1
MONO
FROM STEREO MATRIX TO METER
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
IC37
SSM2402
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
IC38
SSM2402
S11
2PSUJ
LED6
RED
MATRIX3
MONO
MATRIX4
MONO
MATRIX2
MONO
S12
2PSUJ
S13
2PSUJ
S14
2PSUJ
LED7
RED
LED8
RED
LED9
RED
LEFT
LEFT
LEFT
RIGHT
RIGHT
RIGHT
MATRIX3
MATRIX2
MATRIX1
STEREO
STEREO
STEREO
R269
4K7
R270
4K7
R271
4K7
R272
4K7
R273
4K7
R274
4K7
MATRIX4
MATRIX3
MATRIX2
MATRIX1
MONO
MONO
MONO
MONO
R275
4K7
R276
4K7
R277
4K7
R278
4K7
C119
33P
-
+
-
+
MIX BUS
MONITOR BUS
RIGHT
RIGHT
R190
4K7
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
IC39
SSM2402
V+
V+
V-
V-
5
6
7
IC35B
NE5532
3
2
1
8
4
IC35A
NE5532
C113
100U
C114
100U
R294
75R
R295
75R
R179
6K8
R180
6K8
RP10
5K
1 2
SIL20A
10K
3 4
SIL20B
10K
5 6
SIL20C
10K
7 8
SIL20D
10K
3
2
1
8
4
IC33A
TL072
R178
10K
R174
2K
R175
4K7
R176
15K
C108
100U
C110
100U
C107
33P
R177
75R
5 6
SIL19C
4K7
7 8
SIL19D
4K7
5
6
7
IC31B
TL072
MONITOR
C105
100U
C106
100U
R171
75R
R173
75R
RP15
100K
C104
100U
1
2
3
VR3A
4K7X2
V+
V-
V-
0V LOGIC
R150
7K5
R159
4K7
R160
4K7
R152
10K
C94
100U
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
IC30
SSM2402
R151
75R
IN -
IN +
4TRACK
3
2
1
8
4
IC26A
TL072
R147
15K
R148
15K
R149
7K5
R146
10K
R145
10K
B1
A1
C90
100U
C91
100U
C92
33P
C93
33P
S19
SPAD
R235
100K
8
9
10
IC48C
CD4011
12
13
11
IC48D
CD4011
V+
V+
VSS VSS
TAPE
R237
100K
R238
1K5
R239
15K
TR12
BC182
R240
10K
1
2
3
IC49A
CD4001
LP1
SPAD
DIN1 5A
5
6
7
IC31B
TL072
D5
1N4148
R188
3K6
R187
6K8
RP2
5K
METER+
METER-
METER
RIGHT
SOLO ENABLE
VDD
D7
1N4148
R252
1M
1
2
SIL19A
4K7
3
4
SIL19B
4K7
V+
1
2
3
4
V+
R262
10K
R181
6K8
R182
6K8
SOLO BUS
RIGHT
LEFT
STEREO MATRIX
LEFT
3
2
1
8
4
IC42A
NE5532
B10
A10
B9
A9
B14
A14
C116
100U
C115
33P
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
IC40
SSM2402
R189
75R
R191
75R
1
2
3
VR1A
4K7X2
5
6
7
IC42B
NE5532
R194
6K2
R192
2K
C117
100U
C118
33P
R193
75R
R195
75R
5 6
SIL15C
4K7
7 8
SIL15D
4K7
+
-
5
6
7
IC45B
NE5532
3
2
1
8
4
IC45A
NE5532
B30
A30
R296
75R
C121
100U
RP11
5K
C122
100U
5 6
SIL16C
10K
1 2
SIL16A
10K
3 4
SIL16B
10K
7 8
SIL16D
10K
R297
75R
C120
33P
C127
33P
3
4
SIL15B
4K7
3 4
SIL12B
10K
STEREO MATRIX MASTER
1
2
SIL15A
4K7
PFL BUS
R197
4K7
B13
C123
33P
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
IC41
SSM2402
VSS
VSS
MON BUS
SOLO
MONITOR
V+
V-
V-
0V LOGIC
R260
1K5
TR10
BC182
R183
15K
R184
15K
LP3
SPAD
VSS
SOLO
FLASH
DIN1 4A
DIN1 4B
D8
1N4148
R256
22K
R259
47K
R254
100K
R255
330K
R261
15K
S21
SPAD
C142
22N
1
2
3
IC50A
CD4011
5
6
4
IC50B
CD4011
MONITOR
SIP
D6
1N4148
V+
V+
R241
15K
R243
15K
R245
15K
R244
10K
R246
10K
R242
10K
5
6
4
IC49B
CD4001
8
9
10
IC49C
CD4001
12
13
11
IC49D
CD4001
VSS
TAPE
BUS
R247
100K
R236
330K
C140
22N
1
2
3
IC48A
CD4011
5
6
4
IC48B
CD4011
VSS
VSS
VDD
8TRACK
4TRACK S20
SPAD
R248
330K
R249
10K
C141
22N
C139
33U
VSS VSS
4TRACK
0V LOGIC
TR9
BC182
R250
100K
R251
1K5
LP2
SPAD MONITOR
VSS
CUT
R263
100K
R264
330K
R265
100K
S22
SPAD
ON
CUT
C143
22N
8
9
10
IC50C
CD4011
12
13
11
IC50D
CD4011
MIX BUS
V+
MONITOR
CUT
FROM INSERT
SWITCH (SHEET1)
V-
0V LOGIC
TR11
BC182
R267
15K
R268
10K
S23
4PSUJ
LP4
SPAD
LED14
1
2
3
4
STEREO MATRIX
RIGHT
3
2
1
8
4
IC43A
NE5532
B12
A12
B11
A11
C124
100U
R196
75R
R198
75R
4
5
6
VR1B
4K7X2
5
67IC43B
NE5532
R200
6K2
R199
2K
C125
100U
C126
33P
R201
75R
R302
75R
5 6
SIL11C
4K7
7 8
SIL11D
4K7
+
-
5
6
7
IC46B
NE5532
3
2
1
8
4
IC46A
NE5532
B29
A29
C128
33P
R298
75R
C129
100U
1 2
SIL12A
10K
5 6
SIL12C
10K
R299
75R
7 8
SIL12D
10K
C130
100U
RP12
5K
+
5
6
7
IC47B
NE5532
3
2
1
8
4
IC47A
NE5532
B28
C135
33P
3
4
SIL11B
4K7
RP13
5K
C137
100U
R300
75R
5 6
SIL14C
10K
1 2
SIL14A
10K
3 4
SIL14B
10K
5
67IC44B
NE5532
R205
4K3
C133
100U
C134
33P
R208
75R
R207
13K7
1
2
SIL11A
4K7
5 6
SIL13C
4K7
7 8
SIL13D
4K7
1
2
3
4
MONO MATRIX
3
2
1
8
4
IC44A
NE5532
R203
4K7
B23
A23
B22
A22
C132
100U
C131
33P
R202
75R
R204
75R
VR2
10K
VSS VSS
METER+
METER-
MONO METER
R266
1K5
B31
A31
V+
5
6
7
IC31B
TL072
R230
3K6
R215
10K
R216
10K
R217
10K
C144
33P
R219
6K8
RP3
5K
R211
4K7
R210
4K7
R209
4K7
R213
4K7
R214
4K7
R212
4K7
INH
6
A
11
B
10
X
14
Y
15
X0
12
X1
13
Y0
2
Y1
1
Z0
5
Z1
3
C
9
Z
4
VSS
8
VEE
7
VDD
16
IC51
4053
V+
V-
V+V+
R232
15K
R258
10K
R257
10K
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
IC52
SSM2402
STEREO
MATRIX
TO
METER
TO MONO MATRIX1
V-
TR8
BC212
D4
1N4148
D3
1N4148
R234
10K
R231
15K
V+ V+
V+
R326
100K
R327
100K
R233
150R
S9
2PSUJ
S10
2PSUJ
LED4
RED
LED5
RED
Mono Matrix
to Meter
VCC VCC
R324
100K
R325
100K
V-
R218
10K
R206
75R
1
2
SIL13A
4K7
-
A28
C136
33P
3
4
SIL13B
4K7
C138
100U
R301
75R
7 8
SIL14D
10K
Page 13
Date: November 30, 1992 Sheet 1 of 1
Size Document Number REV
D CD1094-2 B
Title
DCM224 STEREO GROUP SECTION
DDA LTD
8TRACK LEFT
B27
C51
100U
C52
100U
R282
75R
R283
75R
RP4
5K
1 2
SIL2A
10K
5 6
SIL2C
10K
5
6
7
IC14B
NE5532
3
2
1
8
4
IC14A
NE5532
R82
10K
C49
33P
C48
100U
5 6
SIL1C
4K7
7 8
SIL1D
4K7
3 4
SIL2B
10K
LEFT
FROM MONO MATRIX4 SWITCH
(SHEET2)
R67
10K
C38
100U
C39
100U
S2
4PSUJ
LED2
RED
V-
V+
3
2
1
8
4
IC12A
TL072
R63
4K7
A
4
B
6
C
2
V
+
1
4
V
-
7
G
N
D
1
0V
3
0V
5
0V
8
0V
12
0
V
1
2
IC11A
SSM2402
R65
15KC37
33P
R64
75R
R66
75R
OUT+
OUT-
INSERT SEND
LEFT
R12
10K
R13
10K
C7
33P
C8
100U
R11
75R
R14
75R
5
6
7
IC3B
NE5532
R6
4K7
R8
10K
R9
10K
R279
10K
R10
10K
C6
33P
C5
100U
C4
100UR775R
5
6
7
IC1B
NE5532
R4
4K7
C3
33P
C2
100U
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
IC6
SSM2402
R5
75R
A
B
C
D
MIX COM
3
2
1
8
4
IC1A
NE5532
R1
100K
B16
A16
B15
A15
R2
5K1C1
33P
R3
75R
3
2
1
8
4
IC3A
NE5532
R17
4K7
R16
220K
R15
220K
R19
10K
C10
33P
C11
100U
C9
220N
1
2
3
FDR1A
P&G
R18
75R
V-
V-
V+
V+
R20
10K
B14
B19
A14
A19
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 2
SIL22A
4K7
3 4
SIL22B
4K7
5 6
SIL22C
4K7
7 8
SIL22D
4K7
IN +
LEFT
INSERT
RETURN
3
2
1
8
4
IC5A
TL072
R44
15K
R45
15K
B5
R47
15K
R46
15K
C25
33P
C26
33P
C23
100U
C24
100U
C27
100U
R48
75R
TO MON/MIX
SWITCH
FROM RIGHT
SWITCH
(SHEET2)
R49
10K
3
2
1
8
4
IC10A
TL072
C33
220N
1
2
3
FDR2A
P&G
S1
4PSUJ
LED1
GRN
MONO TRIM
5
6
7
IC13B
TL072
R69
4K7
R68
4K7
R71
10KC40
33P
C41
100U
R70
75R
R72
75R
3
2
1
8
4
IC13A
TL072
R77
10K
R73
4K3
R75
4K3C43
33P
C44
100U
C47
100U
R74
75R
R76
75R
C42
100U
1
2
3
VR4
10K
5
6
7
IC16B
NE5532
C50
33P
C54
33P
C53
100U
1
2
SIL1A
4K7
3
4
SIL1B
4K7
5 6
SIL5C
4K7
7 8
SIL2D
10K
3 4
SIL6B
10K
A27
B25
C56
100U
R284
75R
RP5
5K
1 2
SIL6A
10K
4TRACK
A25
C57
100U
R285
75R
5 6
SIL6C
10K
V+
V-
3
2
1
8
4
IC16A
NE5532
C55
33P
C59
33P
1
2
SIL5A
4K7
3
4
SIL5B
4K7
7 8
SIL5D
4K7
7 8
SIL6D
10K
RIGHT
R81
10K
C46
100U
S3
4PSUJ
LED3
RED
A
11
B
9
C
13
IC11B
SSM2402
5
6
7
IC12B
TL072
R59
10K
R61
10K
R62
4K7
R79
15KC45
33P
R78
75R
R80
75R
R57
10K
5
6
7
IC10B
TL072
R58
220K
R281
220K
R280
220K
R60
22K
4
5
6
B
C34
100U
C36
100U
C35
220N
IN -
IN -
IN +
RIGHT
INSERT
RETURN
5
6
7
IC5B
TL072
R42
10K
R43
10K
R52
15K
R53
15K
A5
B4
R55
15K
R54
15K
C30
33P
C31
33P
C28
100U
C29
100U
C32
100U
R56
75R
V-
V+
V+
R26
10K
B13
B18
A13
A18
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
IC8
SSM2402
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
1 2
SIL21A
4K7
3 4
SIL21B
4K7
5 6
SIL21C
4K7
7 8
SIL21D
4K7
3
2
1
8
4
IC4A
NE5532
R23
4K7
R21
220K
R22
220K
4
5
6
B
R25
10K
C13
33P
C14
100U
C12
220N
R24
75R
A
B
C
D
MIX COMM
REROUTE PROGRAMMING
(GROUP1 SHOWN)
3
2
1
8
4
IC2A
NE5532
R27
100K
B21
A21
B20
A20
R28
5K1C15
33P
R29
75R
V-
LINK
5
6
7
IC2B
NE5532
R30
4K7
C17
33P
C16
100U
R31
75R
5
6
7
IC4B
NE5532
R32
4K7
R34
10K
R35
10K
R39
10K
R50
10K
R51
10K
A4
R36
10K
C20
33P
C18
100U
C19
100U
R33
75R
OUT+
OUT-
INSERT SEND
RIGHT
OSC/SLATE
BUS
DIN1/13A
DIN1/12B
R38
10K
R40
10K
C21
33P
C22
100U
R37
75R
R41
75R
3
2
6
7
4
IC21
TL071
TR1
J111
TR2
J111
R86
10K
R87
10K
R88
10K
R89
10K
C73
33P
C74
100U
R90
12K
R91
12K
V+
V-
TO INSERT SWITCH
5
6
7
IC15B
NE5532
R83
10K
3
2
1
8
4
IC15A
NE5532
C58
100U
5 6
SIL3C
4K7
7 8
SIL3D
4K7
3 4
SIL4B
10K
7 8
SIL4D
10K
8TRACK RIGHT
B26
A26
C61
100U
C62
100U
R286
75R
R287
75R
RP6
5K
1 2
SIL4A
10K
5 6
SIL4C
10K
STEREO MIX BUS
LEFT
B30
A30
V+
5
6
7
IC17B
TL072
C60
33P
C66
100U
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
IC19
SSM2402
R288
75R
R124
6K8
RP7
5K
1
2
SIL3A
4K7
3
4
SIL3B
4K7
1 2
SIL8A
10K
3 4
SIL8B
10K
5 6
SIL8C
10K
R84
10K
C63
100U
C148
22U
C150
22U
C165
22U
R323
10R
5 6
SIL7C
4K7
D1
1N4148
D2
1N4148
V-
Vdd
Vss
R303
4R7
1W
R304
4R7
1W
C147
22U
C149
22U
R305
10R
R306
10R
R307
10R
R308
10R
R310
10R
OSC/SLATE
ENABLE
DIN1/12A
V+
V+
0VLOGIC
1 6
2,4,6
1,4,6
1,2,6
1,3,5
TR3
BC182
R94
15K
R95
10K
R96
100K
LP5
SPAD
GROUP1
GROUP2
GROUP3
GROUP4
R93
100K
1
2
3
IC22A
CD4011
5
6
4
IC22B
CD4011
Vss
RESET
S4
SPAD
S5
SPAD
R92
330K
R98
100K
8
9
10
IC22C
CD4011
12
13
11
IC22D
CD4011
C75
22N
Vss Vss
V+
0VLOGIC
TR4
BC182
R97
1K5
R103
1K5
R102
100K
R101
10K
R100
15K
LP6
SPAD
R111
100K
1
2
3
IC24A
CD4011
V+
0VLOGIC
GROUP
CUT
R113
10K
R112
15K
CUT ON
5
6
4
IC24B
CD4011
LP8
SPAD
C151
22U
C153
22U
C155
22U
C157
22U
R309
10R
R311
10R
R312
10R
R313
10R
R314
10R
R315
10R
R316
10R
R318
10R
C152
22U
C154
22U
C156
22U
C158
22U
1
2
SIL7A
4K7
7 8
SIL7D
4K7
V- 3
2
1
8
4
IC17A
TL072
C67
100U
R289
75R
R125
6K8
3
4
SIL7B
4K7
7 8
SIL8D
10K
STEREO MIX BUS
RIGHT
B28
A28
V-V-V-
V+
5
6
7
IC18B
TL072
3
2
1
8
4
IC18A
TL072
C71
100U
C72
100U
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
IC20
SSM2402
R290
75R
R291
75R
R126
6K8
R127
6K8
RP8
5K
1 2
SIL10A
10K
3 4
SIL10B
10K
5 6
SIL10C
10K
7 8
SIL10D
10K
R85
10K
C68
100U
C160
22U
C162
22U
C164
22U
5 6
SIL9C
4K7
7 8
SIL9D
4K7
V+
C145
220U
C146
220U
C159
22U
C161
22U
C163
22U
R317
10R
R319
10R
R320
10R
R321
10R
R322
10R
0VLOGIC
Vss Vss
MIX
TR6
BC182
TR7
BC182
R114
100K
R151
1K5
R119
1K5
R118
100K
8
9
10
IC23C
CD4011
LP9
SPAD
Vss
GROUP
CUT
S7
SPAD
S8
SPAD
R110
330K
R117
100K
12
13
11
IC23D
CD4011
C78
22N
Vss Vss
Vss Vss
V+
0VLOGIC
TR5
BC182
R109
1K5
R108
100K
R106
15K
R107
10K
LP7
SPAD
Vss
S6
SPAD
R99
330K
R105
330K
R104
100K
1
2
3
IC23A
CD4011
5
6
4
IC23B
CD4011
C76
22N
Vss
C77
22N
Vss
MIX
R116
330K
C79
22N
Vss Vss R120
15K
R121
10K
RIGHT 8TRACK BUS
LEFT 8TRACK BUS
4TRACK BUS
1
2
SIL9A
4K7
(SHEET1)
3
4
SIL9B
4K7
Page 14
Date: July 13, 1994 Sheet of
Size Document Number REV
C CD1058-5
Title
FADER BUFFER BOARD
DDA LTD.
R17
6K8 6D
R25
75R
5
6
7
IC3B
TL072
C17
100u
CHANNEL PATH
2B
C1
220n
3
2
1
8
4
IC1A
NE5532
R1
220k
R2
220k
C2
100u R3
100k
4B 7B
5C
3C
3C
4C
4C
5C
FADER
10K
C25
10u
C7
22n
FET1
D1 D2
7A 8A
FET2
R4
220k
C3
220n
R5
4k7
3
2
1
8
4
IC2A
NE5532
C8
22n
R6
10k
C5
33p
R7
75R
C6
100u
R8
100k
8B
5A
1 2
RP2A
3 4
RP2B
5 6
RP2C
7 8
RP2D
R26
75R
3
2
1
8
4
IC3A
TL072
C18
100u
1 2
RP1A
18K
3 4
RP1B
18K
5 6
RP1C
18K
7 8
RP1D
18K
R18
6K8
VR1
5K
LEFT MIX
5D
RIGHT MIX
VR2
5K
R19
6K8 4D
5
6
7
IC4B
TL072
1 2
RP3A
18K
3 4
RP3B
18K
1 2
RP4A
3 4
RP4B
5 6
RP4C
7 8
RP4D
R27
75R
C19
100u
6A
C13
33p
R15
75R
R15
75R
C14
100u
R16
100k
5B
FET3 C11
220n
R12
220k
5
6
7
IC2B
NE5532
10C
10C
9C
9C
FADER
10K
C26
10u
R11
100k
R11
100k
C10
100u
3B 6B
1B
R9
220k
C9
220n
R10
220k
5
6
7
IC1B
NE5532
8C
8C
C15
10n
FET4
D3 D4 R13
4k7
C16
22n
9A 10 A
R14
10k
3
2
1
8
4
IC4A
TL072
5 6
RP3C
18K
7 8
RP3D
18K
R28
75R
C20
100u
R20
6K8 3D
L MON MIX
VR3
5K
R21
6K8
R22
6K8
10D
9D
1 2
RP5A
18K
3 4
RP5B
18K
5 6
RP5C
18K
1 2
RP6A
3 4
RP6B
5 6
RP6C
7 8
RP6D
R29
75R
R30
75R
C21
100u
C22
100u
5
6
7
IC6B
TL072
3
2
1
8
4
IC6A
TL072
FET5
FET6
D5 D6
10B
MIX PATH
ALL DIODES 1N418
ALL FETS J111
1A
R33
10R
R34
10R
C28
22u
C27
22u
+18V
-18V
0V
1D 2D
2A
CON A CON B
10 10
9B
7 8
RP5D
18K
1 2
RP7A
18K
1 2
RP8A
3 4
RP8B
R31
75R
C23
100u
5
6
7
IC5B
TL072
R MON MIX
VR4
5K
R23
6K8 8D
R24
6K8 7D
3 4
RP7B
18K
5 6
RP7C
18K
7 8
RP7D
18K
5 6
RP8C
7 8
RP8D
R32
75R
C24
100u
3
2
1
8
4
IC5A
TL072
D7
D8
FET7
FET8
3A 4A
CON C
10
PC1137-5
CON D
10
Page 15
Date: December 14, 1993 Sheet 1 of 1
Size Document Number REV
C CD1219-1 A
Title
HD/DCM/DCM HD AUDIO POWER SUPPLY
DDA LTD.
+48V [1 0]
CHASSIS
R45
10k
R46
10k
FRONT PANEL TEST POINT
R3
470R
R1
82R
R2
2k7 1W
PR1
500R
C3
33/63
FL1
0.25A Q
C1
1000/63
VI
1
2
VO
3
IC1
LM783
D1
2KBP02
FL4
3.15A Q
R42
100R
C22
100n
240V BROWN
220V PINK
VIOLET
RED
100
110
240
220
S1
TH1
SG200
FL5
SEE REAR PANEL
100V BLACK
110V BLUE
GREY
RED
YELLOW/BLUE
PHAN
PHAN
0V
D3
35A BRIDGE
BROWN
BLUE
YELLOW
BLUE
C6
100n
C4
10,000/40
C5
10,000/40
C2
33/63
FL2
15A Q/B
R6
0.1R
R7
0.1R
R8
0.1R
TR2
TR1
MJ2955
PC1141
R10
0.1R
R11
0.1R
R470.1R
R48
0.1R
REG
D20
LED
R43
3K3
9
[1] [2]
R13
1K5
+18V
FRONT PANEL TEST POINT
[5] [6] [7] [8] [9]
D17
1N5402
0V
R44
3K3
6
5
D15
LED
SENSE
DRIVE
DRIVE-
SENSE-
UNREG
UNREG-
R9
0.1R
R19
0.1R
TR3
TR4
TR8
TR7
8
7 10
14
3
C9
100n
C8
10,000/40
C7
10,000/40
E L N
MAINS FUSE 6.3A/T 20mm 220/240V
10A/T 20MM 110/120V
FL3
15A Q/B
R18
0.1R
R17
0.1R
R16
0.1R
TR6
R21
0.1R
R20
0.1R
R49
0.1R
R500.1R
RESISTORS R47, 48, 49, 50 NOT FITTED IN HEAVY DUTY SUPPLY
FL2 AND 3 FITTED AS 6.3A/Q IN HEAVY DUTY SUPPLY
TR5
2N3055
REG-
2
D16
LED
[3] [4]
R15
1K5
-18V
D18
1N5402
FRONT PANEL TEST POINT
(9)REG
R30
6k8
FL2 AND 3 FITTED AS 10A/Q IN DCM POWER SUPPLY
FL2 AND 3 FITTED AS 15A/Q IN DCM HD SUPPLY
R29
2k2
R28
2K2
R23
100R
TR10
BC212
D6
1N4002
R22
1R
TR21
TIP31
SENSE
DRIVE
(8)
(7)
PC1141
(10) UNREG
R26
75R
R24
100R
R25
3k3
D8
1N4148
D7
1N4148
TR9
BC212
TR22
BC441
C10
100/40
R27
3k3
TR11
BC182
TR12
BC182
D9
1N4148
D10
12V
TR14
BC182
TR13
BC212
C13
100p
C15
100n
C14
100/40
PR2
5k
R31
15k
0V
+48V
CHASSIS
0V
+18V
ORANGE
GREEN
GREEN/YELLOW
1
2
3
6
7
8
459
10 +48V
-18V
HARTING
BLUE
BLUE
BROWN
BROWN
+18V
-18V
C17
100N
C16
100/40
R32
15k
PR3
5k
D11
12V
C12
100/40
C18
100/40
TR16
BC182
C19
100p
TR15
BC212
TR18
BC212
R36
3k3
TR17
BC212
C20
100n
C11
100n
UNREG-
0V
R38
75R
R39
100R
TR20
BC182
R37
3k3
C21
100/40
D12
1N4148
D13
1N4148
(5)
(6)
(1)
(4)
(3)
R40
1R
TR23
TIP32
TR24
2N5322
DRIVE-
SENSE-
R41
100R
TR19
BC182
D14
1N4002
R34
R2k2
R35
2k2
(2)REG-
R33
6k8
Page 16
Date: June 23, 1994 Sheet 1 of 1
Size Document Number REV
C CD1231-1
Title
DCM LOGIC POWER SUPPLY UNIT
DDA LTD.
CHASSIS
FRONT PANEL TEST POINT
R29
1K5
+12V
C3
100/16
R3
3k3
D3
LED
D2
1N5402
C1
15000/25
R2
1k5
R1
100R
VI
1
2
VO
3
IC1
LM396
D1
1N4002
YELLOW
GREEN
BLUE
RED
BLACK
R26
100R
C17
100n
D17
35A
100V BLACK
240V BROWN
220V PINK
110V BLUE
240V
XC377P
PINK
BROWN
S1
TH1
SG200
FL1
SEE REAR PANEL
220V
WHITE
VIOLET
D18
35A
C4
10,000/40
C2
100/16
1
2
3
RV1
500R
R4
100R
1
2
3
RV2
500R
VI
1
2
VO
3
IC3
LM396
D4
1N4002
C5
100/16
R33
1k8
R5
680R
C6
100/16
D6
1N5402
D7
LED
R6
1k5
0V
FRONT PANEL TEST POINT
R30
1K5
D5
1N6267
+5V
FRONT PANEL TEST POINT
R15
5k6
D8
LED
D9
1N5402
514
3
2
,6
PC1141
R7
0.1R
R8
0.1R
R9
0.1R
R11
0.1R
R12
0.1R
TR1
TR2
TR3
DRIVE-
SENSE-
UNREG-
C8
10,000/40
C7
10,000/40
GREEN
BLUE
SLATE
D19
35A
FAN
BLUE
BLACK
E L N
120V
110V
MAINS FUSE 6.3A/T 20mm 220/240V
10A/T 20MM 110/120V
RED
RED
YELLOW
D20
35A
BLACK
WHITE
BROWN
PINK
R10
0.1R
R130.1R
R14
0.1R
TR4
2N3055
C9
15000/25
R16
100R
VI
1
2
VO
3
IC4
LM396
D16
1N4002
R18
3k3
REG-
FRONT PANEL TEST POINT
R32
1K5
R31
3k3
FL2
10A F
-22V
-10V
FRONT PANEL TEST POINT
C11
100/16
D10
LED
D11
1N5402
C10
100/16
1
2
3
RV3
500R
R17
1k5
(6)
(5)
R20
3k3
0V
PC1141
R22
3k3
TR6
BC212
C13
100/40
D12
12V
1
2
3
RV4
5k
-22V
-22V
-10V
-10V
1
RED
BLACK
WHITE
GREY 9
2
3
4
5
HARTING
PINK
BLUE
ORANGE
YELLOW
BROWN
RED
GREEN
7
6
8
10
11
12
13
14
15
16
0V
0V
0V
+5V
+5V
+12V
+12V
C16
100N
R23
15k
R24
6k8
TR8
BC212
C15
100/40
TR7
BC182
C14
100p
R21
75R
TR5
BC182
TR9
2N5322
(1)
R19
100R
C12
100/40
D13
1N4148
D14
1N4148
UNREG-
(4)
(3)
DRIVE-
SENSE-
R27
100RR28
1R
D15
1N4002
TR10
TIP32
TR11
BC182
R25
2k2
(2)REG-
Page 17
Page 18
Date: May 17, 1994 Sheet of
Size Document Number REV
B CD1249-1 A
Title
PHASEMETER
DDA - A MARK MKIV COMPANY
D2
D1
V+
IN -
LEFT
C1
10/16
R3
47K
R4
47K
R5
47K
C3
22
3
2
1
4
1
1
IC1A
TL074
C2
10/16
V+
V-
C4
220NR72K2
R9
47K
12
13
14
IC1D
TL074
D3
D4
1
2
3VR1
100K
V-
13.4V
R11
680K
R12
47K
5 BIAS
8
V+
R16
39KR13
4K7
C9
22/25
2
3
10
6
GAIN ADJUST
CARRIER IN
CARRIER INA
A1
R10
1K5
R8
47K
R6
47K
R2
47K
V2
13.2v
V2
IN +
R1
47K
24V
V+
R18
3K3
VIN
1
0
V
2
VOUT
3
REG 1
78L15
+18v
D9
C11
22/25
ZD1
9V1
-18v
R20
3K3
R19
1K2
C12
22/25
C14
100/16
V1
R26
47K
C7
22
C13
100/16
V-
R28
47K
D5
D6
1
2
3
VR2
100K
V+
V-
MC1496
R14
4K7
VR3
5K
C10
22/25
V+
VR4
100K
METER
+/- 100uA
+
-
R?
RR31
680K
1
4
12
SIGNAL IN
SIGNAL IN
V-
B
14
D7
D8
R30
1K5
9.8V
C8
220N
R27
2K2
R29
47K
10
9
8
IC1C
TL074
C5
10/16
R23
47K
R24
47K
R25
47K
5
6
7
IC1B
TL074
R22
47K
C6
10/16
IN -
IN +
RIGHT
R21
47K
0V
9.8V
V1
AUDIO 0V
+ - + -
AUDIO 18 18
-+
B1
VR1
VR2
ALIGNMENT
ADJUST VR1 FOR SAME VOLTAGE AT 'A' AND 'A1'
ADJUST VR2 FOR SAME VOLTAGE AT 'B' AND 'B1'
ADJUST VR3 FOR CENTRE READING ON THE METER
ADJUST VR4 FOR FSD WITH 0dBv ON BOTH INPUTS (+1 ON METER)
REVERSE THE PHASE OF ONE INPUT AND CHECK THE METER READS -1
VR4
VR3
Page 19
Date: October 30, 1991 Sheet 1 of 1
Size Document Number REV
C CD1101 3
Title
DCM CHANNEL SWITCH CONTROLLER
MIDDLESEX TW3 2EB
HOUNSLOW
WHITTON ROAD
UNIT 1, INWOOD BUSINESS PARK
DDA LTD
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
CON9
D0
D1
D2
D3
D4
CLK03
RAM 2
Address Bus
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
CS1
20
CS2
26
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
IC4
6264
D0 3Q0
2
D1 4Q1
5
D2 7Q2
6
D3 8Q3
9
D413Q4
12
D514Q5
15
D617Q6
16
D718Q7
19
OC
1
CLK
11
IC5
74HC374
RAM 1
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
CS1
20
CS2
26
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
IC3
6264
EPROM
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
27
CE
20
OE
22
VPP
1
O0
11
O1
12
O2
13
O3
15
O4
16
O5
17
O6
18
O7
19
IC2
27C256
RFSH
WRN
RDN
A0
30
A1
31
A2
32
A3
33
A4
34
A5
35
A6
36
A7
37
A8
38
A9
39
A10
40
A11
1
A12
2
A13
3
A14
4
A15
5
D0
14
D1
15
D2
12
D3
8
D4
7
D5
9
D6
10
D7
13
M1
27
MREQ
19
IORQ
20
WR
22
RD
21
REFSH
28
HALT
18
WAIT
24
INT
16
NMI
17
RESET
26
BUSRQ
25
BUSAK
23
CLK
6
IC1
Z80
MREQ
IORQ
M1
HALT
CLK
1
SDA
2
SCL
3
IACK
4
INT
5
A0
6
DB0
7
DB1
8
DB2
9
VSS
10
DB3
11
DB4
12
DB5
13
DB6
14
DB7
15
RD
16
CS
17
WR
18
RES
19
VDD
20
IC15
PCD8584
IICSEL
+5v
IIWRN
IIRDN
IICRES
+5V
R26
12K
R25
12K
A0
R1
110R
R2
110R
CLK_UP
+5V
+5V
1
2
3
CON1
HEADER 3
IICINT
R21
2k
R22
2k
+5V
0V
XL1
4MHZC1
33pF
R7
5k6
R5
1K
R6
1K
1 2
IC20A
74HCT04
3 4
IC20B
74HCT04
+5V
CLK_UP
INT
NMI
+12V
R9
3k
R8
1K
5 6
IC20C
74HCT04
RESET
BUSAK
BUSRQ
+5V
RDN
ROMCS
RDN
A13N
MRQN
A15
A14N
WRRAMN
+5v
1
2
13
12
IC25A
74HCT10
kr0
kr1
kr2
kc0
A13
0V
0V
+5V
A
3
QA
14
B
4
QB
13
C
5
QC
12
D
6
QD
11
RCO
15
ENP
7
ENT
10
CLK
2
LOAD
9
CLR
1
IC6
74HCT163
kc0
kc1
kc2
kc3
D5
D6
D7
LAMPS
SRCOM
A0
A1
A2
A3
kr0
kr1
kr2
kret
0V
KEY BOARD
INTERFACE
0V
R19
1K
kc1
kc2
kc3
+5V
3 4
IC22B
74HCT14
A
3
QA
14
B
4
QB
13
C
5
QC
12
D
6
QD
11
RCO
15
ENP
7
ENT
10
CLK
2
LOAD
9
CLR
1
IC7
74HCT163
CLK04
9
10
8
IC16C
74HC132
+5V
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
IC18A
74HCT74
LAMPS
SRCOM
IOCSN
IORQN
A15
A14
A11
A12
A13
ADDB01
ADDB02
IICSEL
3
4
5
6
IC25B
74HCT10
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
IC11
74HCT138
ROMCS
MREQ
IORQ
IOCSN
A14 A14N
A15
M1
9 8
IC20D
74HCT04
1
2
3
IC21A
74HCT32
11 10
IC20E
74HCT04
RESET
1
2
3
7
6
5
IC19
7702
VBAT
RAMRES
ICs 3,4 & 21
R20
12K
R10
1K
0V
1
2
CON3
HEADER 2 C2
47nF
+5v
R11
160R
C3
10uF
D1
1N4148 D2
1N4148
LINK TO ENABLE
BATTERY BACKUP
1 2
CON2
0V
3.6V
BATTERY
C4
47nF
RESET
C31
100pF
D5
1N4148
R12
12K
RAMRESET
C5
47nFC647nF
VBAT
TR1
BC182
R13
3k
A13 A13N
MREQ MRQN
IORQ IORQN
0V
0v
1 2
IC22A
74HCT14
13 12
IC20F
74HCT04
A0
A1
A2
CHANMAX
KEYNUMB
GPMUTES
A_TYPE
LCD_BUF
LCD_CNT
PNL_LEDS
INT
+5v
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
IC12
74HCT138
1 2
IC24A
74HCT05
GPMUTES
MS1
MS2
MS3
MS4
MS5
MS6
MS7
MS8
MS1
MS2
MS3
MS4
MS5
MS6
MS7
MS8
+5V
0V
GROUP MUTE SWITCH
INTERFACE CONNECTOR
MSTAT
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN1
3k3
1
2
3
4
5
6
7
8
9
10
CON8
CONNECTOR
D1
2
Q1
19
D2
3
Q2
18
D3
4
Q3
17
D4
5
Q4
16
D5
6
Q5
15
D6
7
Q6
14
D7
8
Q7
13
D8
9
Q8
12
CLK
11
OC
1
IC8
74HCT574
D0
D2
D4
D6
D7
+5v
Select Maximum Channel Number
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SP2
SW DIP-8
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN2
3k3
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
IC9
74HCT244
MS1
MS2
MS3
MS4
MS5
MS6
MS7
MS8
+5V
1
2
3
4
5
6
11
12
8
IC23
74HCT30
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
IC17A
74HCT74
+5V
+5V
R18
2k
0V
D3
1N4148
C12
1nF
R4
10M
D4
1N4148
K_STAT
M_STAT
GPMUTES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CON10
3 4
IC24B
74HCT05
D12Q
9
CLK
11
Q
8
P
R
1
0
C
L
1
3
IC18B
74HCT74
D0
D1
D2
D3
D4
D5
D6
D7
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
+5V
0V
RS
EN
RW
Display Interface
DD1
DD0
DD3
LCD
RP1
5kC11
47nF
D1
2
Q1
19
D2
3
Q2
18
D3
4
Q3
17
D4
5
Q4
16
D5
6
Q5
15
D6
7
Q6
14
D7
8
Q7
13
D8
9
Q8
12
CLK
11
OC
1
IC13
74HCT574
LCD_BUF
WRN
WRRAMN
0V
IICRES
+5V
R16
2k
4
5
6
IC21B
74HCT32
5 6
IC24C
74HCT05
A0
A1
A2
A3
A4
A5
A6
A7
A8
+5V
EXPANSION PORT
RAMRESET
RAMRES
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
CON4
D0
D1
D2
D3
D4
D5
D6
D7
BUSRQ
INT
NMI
REFSH
MREQ
IOREQ
ADDB01
ADDB02
+5V
HALT
R14
1K
11 10
IC24E
74HCT05
LCD_CNT
WRN
LD1
LED
+5V
R15
1K
IORQN
+5V
R27
3k
9 8
IC24D
74HCT05
DD2
DD5
DD4
DD7
DD6
D0
D1
D2
D3
D4
D5
D6
D7
EN
RS
RW
PNL_LEDS
+5V
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
G
1
IC14
74HCT377
WRN
12
34
56
78
910
1112
1314
1516
CON7
HEADER 8X2
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
G
1
IC27
74HCT377
0V
4
5
6
IC16B
74HC132
C13
2n2
R17
1K
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN4
3k3
1
2
3
IC16A
74HCT132
+5V
CLK03
CLK04
+5V
5 6
IC22C
74HCT14
9 8
IC22D
74HCT14
D
12
Q
9
CLK
11
Q
8
P
R
1
0
C
L
1
3
IC17B
74HCT74
CHANMAX
0V
Select Automation Type
D1
D3
D5
D0
D1
D2
D3
D4
D5
D6
D7
0V
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN3
3k3
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
IC10
74HCT244
+5v
K_STAT
M_STAT
A_TYPER
1
2
3
4
8
7
6
5
SP1
SW DIP-4
+5V
R24
10M
11 10
IC22E
74HCT14
0V
+5v
3 4
IC26B
74HCT14
C14
33nF
D8
1N4148 D9
1N4148
C33
3n3 12
13
11
IC16D
74HCT132
GPMUTES
KEYNUMB
+5V
0V
9
10
11
8
IC25C
74HC10
R23
10M
C32
1nFD6
1N4148 D7
1N4148
keynumb
1 2
IC26A
74HCT14
IIWRN
IIRDN IICINT
+5V
5 6
IC26C
74HCT14
R3
2k
WRN
RDN
CLK_UP
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
IC29A
74HCT74
D
12
Q
9
CLK
11
Q
8
P
R
1
0
C
L
1
3
IC29B
74HCT74
12
13
11
IC21D
74HCT32
9
10
8
IC21C
74HCT32
RESET
RDN
WRN
M1
BUSAK
0V
CLK_UP
POWER IN
1
2
3
4
5
6
CON5
HEADER 6
IICSEL
POWER OUT
-22V
-22V
-6V
-6V
+12V
+12V
0vd
0vd
0vd
0vd
+5V
+5v
1
2
3
4
5
6
CON6
HEADER 6
C9
100UF
C10
220nF
C17
100UF
C16
100UF
C15
100UF
C21
47nF
C34
100UF
C20
100UF
C18
100UF
C19
100UF
C22
47nF
C23
47nF
C24
47nF
C25
47nF
NMI
C26
47nF
C27
47nF
C28
47nF
C29
47nF
C30
47nF
+5v
0v
OV
Page 20
Date: October 20, 1992 Sheet 1 of 1
Size Document Number REV
B CD1092-3 A
Title
DCM 232/224 KEYBOARD EMULATOR
DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND.
+5v
(40)
C15
10U
16V
u2,5
20
C13
47N
C14
47N
D
12
Q
9
CLK
11
Q
8
P
R
1
0
C
L
1
3
U9B
74HCT74
+5v
4
5
6
U8B
74HCT132
C1
1N
+5v
*intack
(27)
+5v
0v
11 10
U3E
74HCT14
D1
1N4148
9 8
U3D
74HCT14
C2
2N2
R1
10M
D3
1N4148
14
0v 0v
0v
16
10
+5v
(40)
0v
(20)
0v
(20)
C9
10U
16V
+5v
C10
47N
C11
47N
C12
47N
u4,6,7
8
C8
47N
C5
47N
C6
47N
C7
47N
7
u1,3,8,9
1
2
3
U8A
74HCT132
3 4
U3B
74HCT14R2
10M
D4
1N4148
0v
5 6
U3C
74HCT14
D2
1N4148
*keyb1
a2
a0
a1
*wr
(31)
(32)
(28)
(33)
(30)
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U4
74HCT138
D
12
Q
9
CLK
11
Q
8
P
R
1
0
C
L
1
3
U1B
74HCT74
+5v
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
U1A
74HCT74
+5v
R6
8K2
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
U9A
74HCT74
+5v
0v
*int
kret
(15)
R5
1K
(22)
CON1
12
13
11
U8D
74HCT132
9
10
8
U8C
74HCT132
13 12
U3F
74HCT14
R4
1K
0v
+5v
+5v
+5v
0v
R3
2K
C3
0.47U
50V
0v
0v +5v
1
2
U3A
74HCT14
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U5
74HCT244
0v
d0
d1
d2
d3
(16)
(17)
(18)
(19)
d4
d5
d6
d7
(23)
(24)
(25)
(26)
CON1
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OC
1
CLK
11
U2
74HCT374
A
3
Q
A
1
4
B
4
Q
B
1
3
C
5
Q
C
1
2
D
6
Q
D
1
1
R
C
O
1
5
E
N
P
7
E
N
T
1
0
C
L
K
2
L
O
A
D
9
C
L
R
1
U6
74HCT163
+5v
+5v
A
3
Q
A
1
4
B
4
Q
B
1
3
C
5
Q
C
1
2
D
6
Q
D
1
1
R
C
O
1
5
E
N
P
7
E
N
T
1
0
C
L
K
2
L
O
A
D
9
C
L
R
1
U7
74HCT163
0v
kr0 (10)
+5v
CON1
C4
4N7
kr1
kr2
kkc0
kc1
kc2
kc3 (4)
(5)
(6)
(7)
(8)
(9)
Page 21
Date: September 22, 1993 Sheet 1 of 3
Size Document Number REV
D CD1158-1 B
Title
DCM STEREO MODULE ROUTING
TEL: (0)81 570 7161 FAX: (0)81 577 3677
DDA LTD., HOUNSLOW, MIDDX., TW3 2EB, ENGLAND
BUS1
BUS3
BUS17
BUS2
BUS18
BUS4
(BUS14) (BUS13)
R240 10K
R241 10K
R242 10K
R243 10K
CON1/1 DIN2/16B
CON1/2 DIN2/16A
CON1/3 DIN2/15B
LED1
RED
LED2
RED
R224 10K
R225 10K
R226 10K
R227 10K
SW5
4PSUJ
SW6
4PSUJ
DIN2/25B
DIN2/25A
DIN2/24B
C/SRCE
RIGHT
3
2
1
8
4
IC25A
NE5532
C104
100U
16V
C108
33P
C109
100U
16V
R183
100K
1 2
SIL9A
10K
3 4
SIL9B
10K
5 6
SIL9C
10K
CON1/28
CON1/24
V9-
V9+
5
6
7
IC23B
NE5532
C102
220N
C103
33P
R171
5K1
R172
680K
R173
12K
R174
8K2
R175
75R1
2
3
7
VR19A
4K7X2
C96
220N
C97
33P
C98
100U
16V
3
2
1
8
4
IC23A
NE5532
R162
680K
R163
4K7
R164
10K
R165
75R
V6+
V6-
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
IC21
SSM2402
R161
220K
1
2
3
4
5
6
7
8
9
10
CON8
10WAY
MHRLK
CHANON
CHANOFF
V6+
V6-
1
2
3
J2
3WAY
C195
470N
5
6
7
IC19B
NE5532
C83
100U
16V
C84
220N
R145
75R
R144
10K
C85
100U
16V
DIN2/4B
DIN2/4A
1
2
3
J1
3WAY
R148
0R
3
2
1
8
4
IC19A
NE5532
TR16
J111
C79
100U
16V
C80
100U
16V
C81
33P
C82
33P
R143
75R
3
4
SIL5B
10K
5 6
SIL5C
10K
7 8
SIL5D
10K
1 2
SIL5A
10K
LSENDIP
V8+
V8-
TR15
J111
TR17
J111
C87
100U
16V
C78
100U
16V
D24
1N4148
2
6
4
3
715
IC18
SSM2141
2
6
4
3
715
IC17
SSM2141
R137
10K
R138
10K
R149
10K
D25
1N4148
D26
1N4148
DIN2/5B
DIN2/5A
DIN2/2B
DIN2/2A
V5+
V5+
V5-
C93
220N
C86
100U
16V
5
6
7
IC20B
NE5532
R146
220K
R147
680K
CON2/19
CON2/20
1
2
3
J3
3WAY
R160
0R
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
IC22
SSM2402
R166
220K
C94
100U
16V
V6+
V6-
1
2
3
J4
3WAY
C196
470N
C100
33P
C99
220N
3
2
1
8
4
IC24A
NE5532
C101
100U
16V
R170
75R
R169
10K
R168
4K7
R167
680K
V6+
V6-
5
6
7
IC24B
NE5532
C106
33P
C105
220N
R180
75R
R179
8K2
R178
12K
R177
680K
R176
5K1
4
5
6
VR19B
4K7X2
24BUS 32BUS
SHIFT R
5
6
7
IC25B
NE5532
C110
33P
C111
100U
16V
C107
100U
16V
R186
100K
7 8
SIL9D
10K
CON1/26
CON1/23
LK7LK6LK5 LK8
LED3
RED
LED4
RED
R228 10K
R229 10K
SW7
4PSUJ
SW8
4PSUJ
DIN2/24A
DIN2/23B
DIN2/23A
BUS5
BUS19
BUS21
BUS20
BUS6
BUS22
(BUS16)
(BUS18)
(BUS15)
(BUS17)
R244 10K
R245 10K
CON1/4 DIN2/15A
CON1/5 DIN2/14B
CON1/6 DIN2/14A
BUS7
BUS9
BUS23
BUS25
BUS8
BUS24
BUS10
BUS26
(BUS20)
(BUS22)
(BUS19)
(BUS21)
R247 10K
R246 10K
R248 10K
R249 10K
CON1/7 DIN2/13B
CON1/8 DIN2/13A
CON1/9 DIN2/12B
DIN2/12ACON1/10
LED5
RED
R230 10K
R231 10K
R232 10K
R233 10K
SW9
4PSUJ
DIN2/22B
DIN2/22A
DIN2/21B
DIN2/21A
C113
100U
16V R198
10K
1 2
SIL8A
4K7
R195
3K3
3
2
1
8
4
IC27A
NE5532
5
6
7
IC27B
NE5532 5 6
SIL8C
4K7
7 8
SIL8D
4K7
3 4
SIL8B
4K7
V9-
V9+
C112
100U
16V R192
10K
LK9 LK10 LK12
LK11
5
6
7
IC26B
NE5532
3
2
1
8
4
IC26A
NE5532
5 6
SIL7C
4K7
7 8
SIL7D
4K7
3 4
SIL7B
4K7
1 2
SIL7A
4K7
V9+
V9-
C92
100U
16V
C95
100U
16V
R155
75R
R156
10K
R158
220K
R159
680K
7 8
SIL6D
10K
DIN2/1B
DIN2/1A
3
2
1
8
4
IC20A
NE5532
TR18
J111
C88
100U
16V
C89
100U
16V
C91
33P
D27
1N4148
R150
10K
5 6
SIL6C
10K
3
4
SIL6B
10K
1 2
SIL6A
10K
RSENDIP
V8+
V5-
V8-
MONOPRE
MONOPOST
STEREOLPRE
STEREOLPOST
STEREORPRE
STEREORPOST
TR19
J111
TR20
J111
C90
33P
C115
2N2
C114
2N2
TR23
J111
TR24
J111
C118
2N2
C119
2N2
1
2
3
VR13A
10K/10K
4
5
6
VR13B
10K/10K
R157
75R
AUX1
TR27
J111
TR28
J111
R189
3K3
5 6
SIL1C
18K
DIN1/24B
TR31
J111
TR32
J111
C129
2N2
C130
2N2
TR35
J111
TR36
J111
TR39
J111
C133
2N2
C134
2N2
1
2
3
VR14A
10K/10K
4
5
6
VR14B
10K/10K
1 2
SIL1A
18K
AUX3
TR40
J111
DIN1/23B
(STEREO B)
LED6
RED
LED7
RED
R234 10K
R235 10K
R236 10K
R237 10K
SW10
4PSUJ
SW11
4PSUJ
DIN2/20B
DIN2/20A
DIN2/19B
DIN2/19A
BUS11
BUS27
BUS12
BUS28
BUS14
(BUS24)
(STEREO A)
BUS13
(BUS23)
R250 10K
R251 10K
R252 10K
R253 10K
DIN2/11B
DIN2/11A
DIN2/10B
DIN2/10A
CON1/11
CON1/12
CON1/13
CON1/14
BUS30
BUS16
BUS32
(STEREO C)
BUS29
BUS31
BUS15
BUS GROUND REF
R254 10K
R255 10K
R256
10K
CON1/15
CON1/16
DIN2/9B
DIN2/9A
DIN2/17A
DIN2/17B
MIX
(STEREO D)
LED8
RED
LED9
GRN
R238 10K
R239 10K
SW12
4PSUJ
SW13
6PSUJ
DIN2/18B
DIN2/18A
AUX4
AUX3 ON
AUX3 OFF
AUX4 ON
AUX4 OFF
TR42
J111
D41
D40
D43
D42
DIN1/23A
CON3/11
CON3/12
CON3/15
CON3/16
TR37
J111
TR38
J111
TR41
J111
C135
2N2
C136
2N2
R220
10M
R221
10M
R222
10M
R223
10M
3 4
SIL1B
18K
MONO POST
MONO PRE
AUX3/4
TR33
J111
TR34
J111
C131
2N2
C132
2N2
R216
10M
R217
10M
R218
10M
R219
10M
CON3/18
CON3/21
AUX2
AUX1 ON
AUX1 OFF
AUX2 ON
AUX2 OFF
TR29
J111
TR30
J111
D29
D28
D31
D30
7 8
SIL1D
18K
DIN1/24A
CON3/19
CON3/20
CON3/23
CON3/24
TR25
J111
TR26
J111
C120
2N2
R204
10M
R205
10M
R206
10M
R207
10M
C159
2N2
MONO POST
MONO PRE
AUX1/2
TR21
J111
TR22
J111
C116
2N2
C117
2N2
R200
10M
R201
10M
R202
10M
R203
10M
CON3/14
CON3/9
STEREO POST
STEREO PRE
MONO POST
AUX1/2
TR43
J111
C121
2N2
C122
2N2
R208
10M
R209
10M
TR44
J111
CON3/13
CON3/10
TR47
J111
TR48
J111
C125
2N2
C126
2N2
R212
10M
R213
10M
4
5
6
VR15B
10KX2
+LOG
TR51
J111
TR53
J111
1
2
3
VR16
10K
+LOG
3 4
SIL2B
18K
1 2
SIL2A
18K
D32
D34
1
2
3
VR15A
10KX2
+LOG
MONO SENDS
VR15A FOR 2 x
SINGLE POT IN
FIT VR16 AND
STEREO POST
STEREO PRE
AUX3/4
TR52
J111
TR54
J111
D33
D35
CON3/17
CON3/22
DIN1/26B
DIN1/26A
CON3/8
AUX A R
AUX A L
3
2
1
4
1
1
IC36A
TL074
C152
100U
16V
D44
1N4148
R271
100K
R274
10K
R272
10K
D50
1N4148
V11+
V11-
R273
10K
TR60
J175
C140
100U
16V
C137
100U
16V
R275
10M
R280
10M
10
9
8
IC36C
TL074
C219
22U
25V
8
6
4
3
7
215
IC33
SSM2142
8
6
4
3
7
215
IC32
SSM2142
C143
100U 16V
C142
100U
16V
C141
100U
16V
C139
100U
16V
C138
100U
16V
R262
10K
V10+
V10+
V10-
V10-
AFL LEFT
L MIX+
L MIX-
R MIX+
R MIX-
AUX GROUND REF
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
IC34
SSM2402
R257 6K8
R258 6K8
R259 6K8
R260 6K8
R261
10K
CON1/20 CON5/12 DIN1/30B
CON1/19 CON5/11 DIN1/30A
CON1/21 CON5/15 DIN1/28B
CON1/22 CON5/16 DIN1/28A
LED10AN
DIN1/27A
DIN1/27B
V7+
AFL RIGHT
PFL
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
IC35
SSM2402
DIN1/14B
DIN1/14A
DIN1/13B
V7-
V7+
V7-
C145
100U
16V
C147
100U
16V
R266
12K
R264
10KC144
100U 16V
SOLO
AUX7/8 OFF
8
6
4
3
7
215
IC30
SSM2142
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
IC28
SSM2402
TR61
J111
R281
10M
V9+
V9+
C220
22U
25V
R278
10K
R400
10M
5
6
7
IC36B
TL074
C154
100U
16V
D46
1N4148
R279
10K
R276
100K
R277
10K
D45
1N4148
TR56
J111
TR58
J111
D37
D39
CON3/7
DIN1/25B
DIN1/25A
CON3/6
CON3/5
AUX B
AUX B
AUX B R
AUX B L
AUX A
AUX A
TR55
J111
1
2
3
VR18A
10KX2
+LOG
1
2
3
VR17A
10KX2
+LOG
4
5
6
VR17B
10KX2
+LOG
7 8
SIL2D
18K
5 6
SIL2C
18K
TR57
J111
D36
D38
LK13
TR49
J111
TR50
J111
C127
2N2
C128
2N2
R214
10M
R215
10M
STEREO POST
MONO PRE
AUX5/6
AUX5/6
TR45
J111
TR46
J111
C123
2N2
C124
2N2
R210
10M
R211
10M
CON4/2
CON4/1
CON4/4
CON4/3VSS
5VLED
5VLED
STEREO PRE
TO PANPOT
BRACKET
AUX GROUND
MAIN GROUND
METALWORK
GROUND
D47
1N4148
D48
1N4148
TR62
BC212
R282
150R
MWKGND
V-
V+
MGND
AGND
5VLEDV+
VSS
V-
V10-
R283
47K
OPT MON BUS SEND
R346
10R
R347
10R
R348
10R
C172
22U
25V
C173
22U
25V
C174
22U
25V
C/SRCE
V5+
V+ V- V+
V5-
4
5
6
VR18B
10KX2
+LOG
R349
10R
R350
10R
R351
10R
R352
10R
C175
22U
25V
C176
22U
25V
C177
22U
25V
C178
22U
25V
V6+
V-
V7+
V+ V- V+
V6- V7-
LK14 IF VR18 NOT FITTED
FIT LK13, LK14
R353
10R
C179
22U
25V
C180
22U
25V
C181
22U
25V
C182
22U
25V
C183
22U
25V
V8+
V-
V9+
V+ V- V+ V-
V8- V9-
R355
100R
R354
100R
R356
100R
R357
100R
C193
22U
25V
C194
22U
25V
MONBUSON
MONBUSOFF
V+ V-
V10+ V11+
V10- V11-
R358
100R
R359
100R
8
6
4
3
7
215
IC31
SSM2142
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
IC29
SSM2402
C146
100U
16V
C149
100U
16V
R303
10K
R302
10K
V9+
V9+
V9-
V9-
R MONITOR BUS +
R MONITOR BUS -
L MONITOR BUS -
L MONITOR BUS +
C148
100U
16V
C150
100U
16V
C151
100U
16V
3 4
SIL10B
10K
1 2
SIL10A
10K
7 8
SIL10D
10K
5 6
SIL10C
10K
DIN1/21B
DIN1/21A
DIN1/19B
DIN1/19A
V9-
V9-
METER
12
13
14
IC36D
TL074
R269
22K
R270
3K6
PR1
5K
1/4
DIN2/7B
Page 22
Date: December 1, 1992 Sheet 2 of 3
Size Document Number REV
D CD1159-1 A
Title
DCM STEREO INPUT/EQUALISER
DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND.
R TO BOTH
LED13
RED
LED12
GRN
VSS
WIDTH IN
C22
100U
16V
1
2
SIL15A
10K
C21
33P
R37
10K
R38
75R
5
6
7
IC6B
NE5532
TR5
J111
C20
100U
16V
1 2
SIL13A
10K
3
4
SIL13B
10K
L BALANCE
C18
100U
16V
C19
33P
R32
4K7
R33
2K2
R34
4K7
V2-
V2+
1 2
3
VR11A
4K7X2
3
2
1
8
4 IC6A
NE5532
MIC GAIN
1 2
3
VR1A
5KRD
R7
10RC41000U
6.3V
C5
100U
16V
TR1
J111
R9
10K
MIC
INPUT
LEFT
D1
12V
D2
12V
3
2
6
5
1
8
7
4
IC1
SSM2017
R6
24K
C1
33U
63V
C3
220P
DIN1/31A
V1+
R4
12K
+48V
C17
33U
63V
D9
1N4148
R290
470R
7
2
8
4
5
1
RL1
MINPCB
CON1/29CON1/32
DIN2/32B
R1
1K8R286
6K8
LK1
-20dB
8 2
6 4
1
T1
(OPT)
NTM1
DIN2/32A
DIN2/6B
DIN2/6A
1
2
3
CON9
3WAY
MH
1
2
3
CON10
3WAY
MH
R2
1K8
R287
6K8 LK2
LINE GAIN
LEFT
D3
12V
D4
12V
C2
33U
63V
C6
100U
16V
2
6
4
3
715
IC3
SSM2143
R10
4K7 R11
910R
R284
(OPT)
2K2
V5+
V5-
V1-
R5
12K
D10
1N4148
3
2
1
8
4
IC5A
NE5532C8100U
16V R15
10K
TR2
J111
V1+
V1-
C215
470P
R16
10K
R58
10K
5 6
SIL11C
10K
7 8
SIL11D
10K
C32
100U
16V
C31
33P
D14
1N4148
1 2
SIL11A
10K
3
4
SIL11B
10K
5 6
SIL13C
10K
7
8
SIL13D
10K
V3+
V3-
3
2
1
8
4
IC9A
TL072
D15
1N4148
TR6
J111
C29
33P
1
2
3
VR12A
4K7X2
4
5
6
VR12B
4K7X2
R49
10K
WIDTH
C155
220N
3
2
1
8
4
IC10A
NE5532
5
6
7
IC10B
NE5532
C156
100U
16V
C158
100U
16V
R295
33R
R294
680K
R291
680K
R292
33R
C157
220N
3
4
SIL15B
10K
5
6
SIL15C
10K
V3+
V3-
L TO BOTH
SW2
4PSUJ
SW4
4PSUJ
LED11
GRN
LEQIN
SW3
4PSUJ
REQIN
C30
100U
16V
C37
100U
16V
C36
33P
3
2
1
84IC11A
NE5532 R69
75R 7
8
SIL16D
10K
1
2
SIL16A
10K
7
8
SIL15D
10K
V3+
V3-
TR7
J111
D16
1N4148
C38
100N
R72
100K
R50
75R
3
4
SIL16B
10K
5
6
SIL16C
10K
5
6
7
IC7B
NE5532
C35
100U
16V
C34
33P
3
4
SIL12B
10K
1 2
SIL12A
10K
1 2
SIL14A
10K
3
4
SIL14B
10K
5
6
7
IC9B
TL072
MIC
LINE
C33
33P
R57
10K
5 6
SIL12C
10K
7 8
SIL12D
10K
CON2/2
CON2/1
V2-
V2+
3
2
1
8
4
IC8A
TL072
5
6
7
IC5B
NE5532
D11
1N4148
C15
33P
D12
1N4148
C16
100U
16V
C7
33P
R12
910R
R31
10K
R23
4K7
R20
910R
TR3
J111
R13
4K7
C216
470P
C217
470P
D5
12V
C9
33U
63V
C14
100U
16V
2
6
4
3
715
IC4
SSM2143
1 2
3
VR2A
4K7X2
4 5
6
VR2B
4K7X2
R19
910R
R3
4K7
V5+
V5-
R24
12K
LINE
INPUT
RIGHT
SW1
4PSUJ
R17
360R
R18
360R
DIN2/30B
DIN2/3B
DIN2/3A
R21
1K8
LK3
8 2
6 4
1
T2
(OPT)
NTM1
DIN2/30A
1
2
3
CON11
3WAY
MH
1
2
3
CON12
3WAY
MH
R22
1K8
R289
6K8
R288
6K8 LK4
MIC
INPUT
RIGHT
3
2
6
5
1
8
7
4
IC2
SSM2017
D6
12V
D7
12V
D8
12V
R26
24K
C10
33U
63V
C11
220P
R285
(OPT)
2K2
V1+
V1-
R25
12K
MIC GAIN
4 5
6
VR1B
5KRD
D13
1N4148
R27
10R
C12
1000U
6.3V
C13
100U
16V
TR4
J111
R29
10K
C218
470P
R BALANCE
C23
100U
16V
C24
33P
C25
100U
16V
D49
1N4148
4 5
6
VR11B
4K7X2
R40
4K7
R41
2K2
R42 4K7
R379
100K
CON2/15
V2-
V2+
3
2
1
8
4
IC7A
NE5532
C26
220N
C27
33P
TR59
J111
C28
100U
16V
R44
4K7
R43
4K7
R45
4K7
R46
1M
5 6
SIL14C
10K
7
8
SIL14D
10K
5
6
7
IC8B
TL072
M/S DECODE
TR8
J111
SW14
4PSUJ
D17
1N4148
R71
100K
LED10
RED
LED10AN
V2+
5
6
7
IC11B
NE5532
R68
3K9
3
2
1
8
4
IC16A
TL072
R104
33R
LSENDIP
V4+
V4-
C55
100N
C57
1N
C56
2N2
C58
100N
R99
3K9
R101
6K8
R102
6K8
R103
1M
R100
3K9
4
6
5 VR10B
100KX4
1
3
2VR10A
100KX4
V2-
D18
1N4148
TR9
J111
C39
100N
C54
220N
R97
33R
R98
10K
1
2
SIL21A
10K
0 REVERSE
C51
33P
C52
100U
16V
1
2
3
VR8A
100KX2
-LOG
R93 10K
R94
6K8
10
9
8
IC12C
TL074
7 8
SIL18D
10K
5 6
SIL18C
10K
C50
10N
12
1314IC12D
TL074
C44
100U
16V
C45
33P C49
100U
16V
R83
4K7
1
2
3VR9A
20KB
ALPSCD
1 2
3
VR7A
20KB
ALPSCD
3 4
SIL18B
10K
1 2
SIL18A
10K
5
6
7
IC12B
TL074
R78
10K
C42
33P
1
2
3
VR4A
20KB
ALPSCD
5 6
SIL17C
10K
3
2
1
4
1
1
IC13A
TL074
7 8
SIL17D
10K
V4+
R80
5K1
C43
10N
C41
33P
C40
100U
16V
3
2
1
4
1
1
IC12A
TL074
R73
10K
3 4
SIL17B
10K
1 2
SIL17A
10K
LEQIN
V4-
V4+
1
2
3
VR3A
100KX2
-LOG
R79
6K8
V4-
5
6
7
IC13B
TL074
C46
33P
132
VR5A
100KX4
R88
10K
R87
10K
R86
10K
R89
3K9
1
2
3
VR6A
20KB
ALPSCD
R84
330R
R85
4K7
10
9
8
IC13C
TL074
12
13
14
IC13D
TL074
C47
2N2
C48
10N
C53
100U
16V
465
VR5B
100KX4
R90
3K9
EQ IN
D19
1N4148
TR10
J111
3
4
SIL21B
10K
CON2/17
CON2/18
FILTER IN
TR13
J175
D22
1N4148
CON2/16
V+
V-
V+
V-
R136
33R
RSENDIP
5
6
7
IC16B
TL072
TR14
J175
D23
1N4148
C75
2N2
C76
1N
C77
100N
C74
100N
R131
3K9
R132
3K9
R133
6K8
R134
6K8
R135
1M
1
0
12
1
1
VR10D
100KX4
7
9
8
VR10C
100KX4
D20
1N4148
TR11
J111
C73
220N
R129
33R
R130
10K
5
6
SIL21C
10K
C70
33P
C71
100U
16V
C72
100U
16V
4
5
6
VR8B
100KX2
-LOG
R125 10K
R126
6K8
5 6
SIL20C
10K
7 8
SIL20D
10K
10
9
8
IC14C
TL074
C69
10N
12
13
14
IC14D
TL074
C63
100U
16V
C64
33P C65
100U
16V
R115
4K7
4
5
6
VR9B
20KB
ALPSCD
4 5
6
VR7B
20KB
ALPSCD
3 4
SIL20B
10K
1 2
SIL20A
10K
5
6
7
IC14B
TL074
C61
33P
4
5
6
VR3B
100KX2
-LOG
R110
10K
R111
6K8
4
5
6
VR4B
20KB
ALPSCD
5 6
SIL19C
10K
7 8
SIL19D
10K
V4+
3
2
1
4
1
1
IC15A
TL074
R112
5K1
C62
10N
C60
33P
C59
100U
16V
3
2
1
4
1
1
IC14A
TL074
R105
10K
3 4
SIL19B
10K
1 2
SIL19A
10K
REQIN
V4-
V4+
V4-
5
6
7
IC15B
TL074
C66
33P
798
VR5C
100KX4
R118
10K
R119
10K
R120
10K
R121
3K9
4
5
6
VR6B
20KB
ALPSCD
R116
330R
R117
4K7
10
9
8
IC15C
TL074
12
13
14
IC15D
TL074
C67
2N2
C68
10N
10
1
2
11
VR5D
100KX4
R122
3K9
D21
1N4148
TR12
J111
R371
10R
R372
10R
C203
22U
25V
C204
22U
25V
7
8
SIL21D
10K
V1+
V+ V-
V1-
R373
10R
R374
10R
R375
10R
R376
10R
C195
22U
25V
C196
22U
25V
C197
22U
25V
C198
22U
25V
V2+
V+ V- V+ V-
V2-
R377
10R
R378
10R
C199
22U
25V
C200
22U
25V
V4+
V+ V-
V3+
V4-V3-
MGND
VSS
VSS
Page 23
Date: December 1, 1992 Sheet 3 of 3
Size Document Number REV
C CD1160 1
Title
DCM232/224 MUTE AND SOLO LOGIC
DDA LTD
R381
15K
R382
10K
R384
10K
MONBUSON
V+
V+
R380
1M
VDD
5
6
4
IC37B
CD4011
RESET
R311
100K
C170
22N
0.2
R312
330K
1
2
3
IC37A
CD4011
VSS
MANUAL/AUTOMATION
SELECT
R310
2K2
SW15
2PSUJ
1
2
3
4
CON7
4WAY
MH
CUTLAMP
MUTESEND
MIX CUT
D56
1N4148
1
2
3
IC39A
CD4011
VDD
R324
100K
R323
1M
EXTMUTE
VDD
R325
1M
R326
100K
D57
1N4148
SIPMUTE
SAFE
VDD
R361
1K
R360
1M
D61
1N4148
1
2
3
IC38A
CD4001
5
6
4
IC39B
CD4011
R313
1M
R314
100K
AUTOMCUT
VDD
D51
1N4148
8
9
10
IC37C
CD4011
VSS
AUXMON
R340
10K
8
9
10
IC39C
CD4011
R385
100K
V+
12
13
11
IC39D
CD4011
R383
15K
MONBUSOFF
R339
15K
R342
10K
R341
15K
CHANON
CHANOFF
V+
5
6
4
IC38B
CD4001
12
13
11
IC37D
CD4011
D52
1N4148
8
9
10
IC38C
CD4001
R315
1M
R316
100K
R317
22K
D53
1N4148
MIXCUT
AENABLE
MUTEA
VDD
R338
10K
V+
R327
100K
5
6
4
IC40B
CD4011
SOLO
R328
330K
1
2
3
4
CON6
4WAY
MH
1
2
3
IC40A
CD4011
RESET
SOLOLAMP
R329
1M
R330
1K
E331
1K
D58
1N4148
D59
1N4148
C171
22N
0.2
SIPMODE
SOLOEN
VSS
R333
22K
R334
47K
8
9
10
IC40C
CD4011
12
13
11
IC40D
CD4011
VDD
R337
15K
TR64
BC182
SOLO
SOLOLAMP
R318
1M
R319
1M
R320
100K
BENABLE
VDD
VDD
D54
1N4148
12
13
11
IC38D
CD4001
ON CUT
R343
47K
LK15
LK16
R344
100K
TR63
BC182
CUTLAMP
VSSVSS
VSS
R345
1K5
1 2
3 4
5 6
7 8
9 10
11 1 2
13 1 4
15 1 6
17 1 8
19 2 0
CON2
20WAY
IDCMD
CON2/2CON2/11 2
3 4
5 6
7 8
9 10
11 1 2
13 1 4
15 1 6
17 1 8
19 2 0
21 2 2
23 2 4
25 2 6
27 2 8
29 3 0
31 3 2
33 3 4
35 3 6
37 3 8
39 4 0
CON3
40WAY
IDCMD
CON3/6
CON3/8
CON3/5
CON3/7
R321
22K
R322
1M
D55
1N4148
1 2
3 4
5 6
7 8
9 10
11 1 2
13 1 4
15 1 6
17 1 8
19 2 0
21 2 2
23 2 4
25 2 6
27 2 8
29 3 0
31 3 2
33 3 4
35 3 6
37 3 8
39 4 0
CON1
40WAY
IDCMD
CON1/2
CON1/4
CON1/6
CON1/8
MUTEB
VDD
R335
100K
CON1/1
CON1/3
CON1/5
CON1/7
VSSVSSVSS
R336
1K5
V+
V+
V12+
R332
1K
D60
1N4148
R364
10R
R362
4R7 1W
FLASH
+18V
R366
10R
C188
22U
25V
0V
C186
220U
25V
C187
220U
25V
C190
22U
25V
C191
22U
25V
C189
22U
25V
LK17
MGND
V13+
CON1/9
CON1/11
CON1/13
CON1/15
CON1/19
CON1/21
CON1/23
CON1/29
AGND
CON1/10
CON1/12
CON1/14
CON1/16
CON1/20
CON1/22
CON1/24
CON1/26
CON1/28
CON1/32
CON3/9
CON3/11
CON3/13
CON3/15
CON3/17
CON3/19
CON3/21
CON3/23
AENABLE
BENABLE
V12+
CON3/10
CON3/12
CON3/14
CON3/16
CON3/18
CON3/20
CON3/22
CON3/24
SAFE
AUTOMCUT
MIXCUT
V12-
CON2/15
CON2/17
CON2/19
CON4/1
CON4/3
VSS
1 2
3 4
5 6
7 8
9 10
11 1 2
13 1 4
15 1 6
17 1 8
19 2 0
CON4
20WAY
IDCMD
CON2/16
CON2/18
CON2/20
CON4/2
CON4/4
VDD
1 2
3 4
5 6
7 8
9 10
11 1 2
13 1 4
15 1 6
17 1 8
19 2 0
CON5
20WAY
IDCMD
CON5/12
CHANGE
AUXMON
CON5/11DIN2/17B
DIN2/18B
DIN2/19B
DIN2/20B
DIN2/21B
DIN2/22B
DIN2/23B
DIN2/24B
DIN2/25B
DIN2/30B
DIN2/32B
MIC
LINE
5VLED
32A 32B
31A 31B
30A 30B
29A 29B
28A 28B
27A 27B
26A 26B
25A 25B
24A 24B
23A 23B
22A 22B
21A 21B
20A 20B
19A 19B
18A 18B
17A 17B
16A 16B
15A 15B
14A 14B
13A 13B
12A 12B
11A 11B
10A 10B
9A 9B
8A 8B
7A 7B
6A 6B
5A 5B
4A 4B
3A 3B
2A
1A 1B
2B
DIN2
64WAY PLUG
DIN2/17A
DIN2/18A
DIN2/19A
DIN2/20A
DIN2/21A
DIN2/22A
DIN2/23A
DIN2/24A
DIN2/25A
DIN2/30A
DIN2/32A
0V
32A 32B
31A 31B
30A 30B
29A 29B
28A 28B
27A 27B
26A 26B
25A 25B
24A 24B
23A 23B
22A 22B
21A 21B
20A 20B
19A 19B
18A 18B
17A 17B
16A 16B
15A 15B
14A 14B
13A 13B
12A 12B
11A 11B
10A 10B
9A 9B
8A 8B
7A 7B
6A 6B
5A 5B
4A 4B
3A 3B
2A
1A 1B
2B
DIN1
64WAY PLUG
DIN1/19B
DIN1/21B
DIN1/23B
DIN1/24B
DIN1/25B
DIN1/26B
DIN1/27B
DIN1/28B
DIN1/30B
MIC
CHANGE
DIN1/19A
DIN1/21A
DIN1/23A
DIN1/24A
DIN1/25A
DIN1/26A
DIN1/27A
DIN1/28A
DIN1/30A
DIN1/31A
0V
LINE
V-
V-
V13-
V12-
R368
10R
R365
10R
R367
10R
R363
4R7
1W
-18V
C192
22U
25V
+5V
0VLOGIC
MWKGND
5VLED
-10V
-22V
5VLED
R369
10R
C201
22U
25V
C202
22U
25V
R370
10K
RESET
VDD
DIN1/14A
VSS
-22V
0VLOGIC
+5V
SIPMODE
FLASH
+18V
-18V
-10V
EXTMUTE
MUTEA
VSS
DIN41612
DIN1/13B
DIN1/14B
0VLOGIC
SOLOEN
SIPMUTE
MUTESEND
DIN41612
DIN2/1A
DIN2/2A
DIN2/3A
DIN2/4A
DIN2/5A
DIN2/6A
DIN2/9A
DIN2/10A
DIN2/11A
DIN2/12A
DIN2/13A
DIN2/14A
DIN2/15A
DIN2/16A
-22V
+5V
+18V
-18V
-10V
MUTEB
CON5/15
DIN2/1B
DIN2/2B
DIN2/3B
DIN2/4B
DIN2/5B
DIN2/6B
DIN2/7B
DIN2/9B
DIN2/10B
DIN2/11B
DIN2/12B
DIN2/13B
DIN2/14B
DIN2/15B
DIN2/16B
V13+
CON5/16
V13-
Page 24
Date: December 12, 1995 Sheet 1 of 1
Size Document Number REV
C CD1255-2 B
Title
DCM VCA FADER (PC1373-2)
DDA, HOUNSLOW, MDDX. TW3 2EB ENGLAND
R20
3K9
SET -20dB
R18
22K
C24
100P
TP2
2 1
3
PR2
1K
MTRA
SET 0dB
3
2
1
8
4
IC7A
TL072
R12
27K
R55
5K6
R56
3K3
R17
68K
+10VREF
V+
2
1
3PR1
1K
MTRA
R8
9K1
R10
6K8
R11
100R
+10VREF+10VREF
+10VREF
C22
100N
0.2
R13
68K
STATUS
SW2
SPDT
MOMRA
TP1
+5V V+
1 2
3 4
5 6
7 8
9 10
CON2
10WAY
IDCMH
R40
5K6
R39
5K6
+5V +5V
IC5
CNY17
3
2
1
8
4
IC4A
TL072
R2
22K
R4
22K
R1
22K
R3
22K
C12
100P
C13
100P
R7
1K
V-
C20
47N
0.2
R6
12K
TR1
BC182
TR2
BC182
R5
47K
R9
9K1
R14
2K
RA6
200K
V-
R15
100K
R16
1K
V-
5
6
7
IC7B
TL072
5
6
7
IC1B
NE5532
R19
10K
25CC1
4U7
16VTANT
R32
33R
V+
C2
470N
0.2
VCA CONTROL VOLTAGE
TP3
TEST POINT 3
FROM SERIAL
DISTRIBUTION
1 2
3 4
5 6
7 8
9 10
CON4
10WAY
IDCMH
1 2
LKB
I
1
O
8
E
C
+
4
V
+
7
E
C
-
2
G
N
D
6
E
C
-
3
V
-
5
IC2
DBX2150
R57
10K
R26
4K7
C5
100P
R24
20K
V+
V-
3
1
2
PR3
50K
1/4VS
SYMMETRY
R22
20K
REFERENCE 10V
R43
1K
C16
15U
16VTANT
R45
2K
IC6
TL431
+10VREF
C15
47N
0.2
R44
6K2
RA44
240K
READ
LED
D2
GRN
R33
10K
R34
47K
TR3
BC182
R35
1K
+5V V+
WRITE
LED
D1
RED
R36
10K
R37
47K
TR4
BC182
R38
1K5
+5V
TOP
WIPER
BOTTOM
GROUND
FADER CONNECTOR
CH CUT
1
2
3
4
CON3
4WAY
MH
1
2
3
4
5
6
7
8
9
10
CON1
10WAY
MHL
R52
220R
*
VCA IN
SW1
4PSUJ
R54
220K
R42
470K
+10VREF
*
FADER DC OUT
5
6
7
IC4B
TL072
R53
33R
C9
220N
0.2
TEST POINT
R23
20K
C3
100U
16V
R21
100K
I
1
O
8
E
C
+
4
V
+
7
E
C
-
2
G
N
D
6
E
C
-
3
V
-
5
IC3
DBX2150
R29
33R
R28
270K
R58
10K
R25
20K
C6
100P
V+
V-
1 2
LKA
1 2
LKD
1 2
LKC
1 2
LKF
1 2
LKE
TO CHANNEL
MODULE
PRE MARCH 1988
POST MARCH 1988
LINK A, C, E.
LINK B, D, F.
1 2
3 4
5 6
7 8
9 10
CON5
10WAY
IDCTR
R27
4K7
V+
V-
V-
3
2
1
8
4
IC1A
NE5532
C7
100P
C25
470N
C26
470N
C8
100U
16V
R31
10K
R59
47R
AUDIN IN
AUDIO OUT
R46
1K
R47
470K
C23
47N 0.2
FADER DC
TRIM
R48
22K
+10VREF
V+
C18
47N
0.2
3
1
2
PR5
50K
1/4VS
AUDIO
TO
CHANNEL
R50
10R
C10
100U
16V
1
2 PB1
PB
1
2 PB2
PB
R51
10R
C11
100U
16V
R49
10KV-
V-
C19
47N
0.2
D3
5V1
DIGITAL
AUDIO
0VOLTS
METALWORK
M
A
R30
3K
FOR CHANNEL VCA ONLY
ON CHANNEL VCA FIT 220R FOR R52.
*
ON GROUP VCA FIT 0R(LINK) FOR R52.
FOR `GROUP VCA' AND `CHANNEL VCA'
Loading...