untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k...
TRANSCRIPT
![Page 1: Untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k 3 2 6 7 4 ic13 tl071 c106 100/16 v+ v 3 2 1 8 4 ic6a ne5532 c40 33 r78 75 c55 100/16](https://reader033.vdocument.in/reader033/viewer/2022041813/5e58d10eda13af4cfe7db5c5/html5/thumbnails/1.jpg)
DMR12 Schematics
Klark Teknik Building Walter Nash Road
Kidderminster Worcestershire
DY11 7HJ
Tel: +44 (0) 1562 741515 Fax: +44 (0) 1562 745371
Email: [email protected]
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.
![Page 2: Untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k 3 2 6 7 4 ic13 tl071 c106 100/16 v+ v 3 2 1 8 4 ic6a ne5532 c40 33 r78 75 c55 100/16](https://reader033.vdocument.in/reader033/viewer/2022041813/5e58d10eda13af4cfe7db5c5/html5/thumbnails/2.jpg)
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
C3633
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
C35470NR49
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
C293N3R36
47K
R37
47K
R40
75
R38
10K
R39
10K
C31
2N2
3
2
1
4
11
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
R185
75
C82
100/16
R174
10K
10
9
8
IC2C
TL074
S5
SUJ2
V+
V-
PHASE REVERSE
R11
10K
C12
33
R10
75
R53
75
C26
100/16
R30
10K
R33
10K
C27
33N 5
67
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
68/16IN+
-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
R424K
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
67
IC1B
TL072
C8
33
C9
33
R8
75
C10
100/16
R9
10K
C25
100/16R28
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
11
IC5A
TL074
C71
100/16
PAN IN
FROM DIRECT LEDTO INPUT LED
R103
10K
R45
3K3
C34
33N
R46
3K3
POT3
10KAPOT4
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
4K7C73
100/16
10
9
8
IC5C
TL074R220
330
R219
7K5
R191/B
10
VCC VCC
PEAK
V-
TR5
BC212
R147
100K
1
2
3
POT18A
4K7A
TR6
BC212
D19LED R
D35
16VZENER
R101
2K2
C77
220N SUBMIN
VCC VCC
VCC
R27
10K
R150100K
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
R56
75
C18
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
21
4
11IC2A
TL074
CON2/9
CON2/10
IN -
IN +
LINE2
C19100/16
C20100/16
R22
15K
R21
15K
R24
10K
R25
10KR20
7K5
5
6
7
IC2B
TL074
CON2/7
CON2/8
V-
C22
33
C21
33
R23
7K5
R55
75
C23
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 SUBMINR211
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
TL074R221
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
10KR109
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
10KC107
33
R226
10K
3
2
6
7
4IC13
TL071
C106
100/16
V+
V-
3
2
1
8
4
IC6A
NE5532
C4033
R78
75
C55
100/16
PRE/OFF/POSTPRE/OFF/POSTS24
C+K
R22310K
R60
3K6
RP2
501
R187
47
R190220K
C41220N
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
0V12
0V10
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
C49100/16
C48100/16
R66
7K5
CON2/6
CON2/5
CON2/4
CON2/3
R68
7K5
R67
7K5
3
21
8
4
IC4ANE5532
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
100KC69
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
IC6BNE5532
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
3POT15A
4K7A
4
5
6
POT15B
4K7A
R12839K
R12939K
OUT+
OUT-
DIRECT
R127
2K2
C56
33
R80
75
C58
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
10KC84
33
D17
LED G
S25
SUJ4
AUX 4
AUX 5
AUX 6
R121
10K
R131
10K
R120
10K
POT10
10KB
POT11
10KBPOT12
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
TR12BC182
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
C9822/25
C90
22/25
C91
22/25
C92
22/25
C93
22/25
-18V
0V
R201
10
R156
10
VIGND
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 LEDSOLO
TO C/SRC1
R140
10K
R139
47K
S27
SUN2
1
2
4
3
S28
PROGLINK
C103
2N2
SOLO ENABLE
SOLO AUDIO
![Page 3: Untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k 3 2 6 7 4 ic13 tl071 c106 100/16 v+ v 3 2 1 8 4 ic6a ne5532 c40 33 r78 75 c55 100/16](https://reader033.vdocument.in/reader033/viewer/2022041813/5e58d10eda13af4cfe7db5c5/html5/thumbnails/3.jpg)
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
C3633
C35470N 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
C293N3R36
47K
R37
47K
R40
75
R38
10K
R39
10K
3
2
1
4
11
IC3A
TL074
5
6
7
IC3B
TL074
POT2
10KA
1
2
3
POT16A
100K-
4
5
6
POT16B
100K-
C3033
HIGH PASS
R31
100K
C28
33N
R32
47K
R185
75
C82
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
R53
75
C26
100/16
R30
10K
R33
10K
C27
33N 5
67
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 6SIL4C
10KSIL
1 2SIL4A
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 IN11BUS IN12
INSERT
RP1
50K
3
2
1
8
4IC1A
NE5532
R170
75
R171
100K
R7
75
R179
10K
R172
3K61
2
3
4
5
6
7
8
9
10
1112
C9
100
R180
75
IN+
IN-
RETURN
C3
33
R3
10K
R4
10KC2
100/16
C1
100/16
3
2
1
8
4
IC11A
TL072
CON2/16
CON2/15 C4
33
5
6SIL3C
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
4IC12A
NE5532
5
67
IC12B
NE5532
7 8
SIL1D
4K7SIL
1
2
SIL1A
4K7SIL
3
4
SIL1B
4K7SIL
7 8
SIL2D
10KSIL
5 6
SIL2C10KSIL
1 2
SIL2A10KSIL
5 6SIL1C
4K7SIL
C25
100/16R28
10K
R54
75
BUS 1-
BUS 1+
BUS 13-
BUS 13+
V-
BUS SELECT
BUS OUT
5
67
IC1B
NE5532
CON2/19
CON2/20
CON2/17
CON2/18
D28
LED R
S46 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
11
IC5A
TL074
C71
100/16
PAN IN
FROM DIRECT LEDTO INPUT LED
R103
10K
R45
3K3
C34
33N
R46
3K3
POT3
10KAPOT4
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
4K7C73
100/16
10
9
8
IC5C
TL074R220
330
R219
7K5
R191/B
10
R101
2K2
VCC VCC
PEAK
V-
R146
100K
TR5
BC212
R147
100K
1
2
3
POT18A4K7A
TR6
BC212
D35
16V
C111
220N
D19LED R
VCC VCC
VCC
R27
10K
R150100K
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
R56
75
C18
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
21
4
11IC2A
TL074
CON2/9
CON2/10
IN -
IN +
LINE2
C19100/16
C20100/16
R22
15K
R21
15K
R24
10K
R25
10KR20
7K5
5
6
7
IC2B
TL074
CON2/7
CON2/8
V-
C22
33
C21
33
R23
7K5
R55
75
C23
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
TL074R221
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
10KR109
10K
R115
10K
D14LED 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
10KC107
33
R226
10K
3
2
6
7
4IC13
TL071
C106
100/16
V+
V-
PRE/OFF/POST
3
2
1
8
4
IC6A
NE5532
C4033
R78
75
C55
100/16 R22310K
R60
3K6
RP2
501
R187
47
R190220K
C41220N
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
0V12
0V10
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
C49100/16
C48100/16
R66
7K5
CON2/6
CON2/5
CON2/4
CON2/3
R68
7K5
R67
7K5
3
21
8
4
IC4ANE5532
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
IC6BNE5532
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
3POT15A
4K7A
4
5
6
POT15B
4K7A
R12839K
R12939K
OUT+
OUT-
DIRECT
5
6
7
IC4B
NE5532
R127
2K2
C56
33
R80
75
C58
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
10KC84
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
C9822/25
C90
22/25
C91
22/25
C92
22/25
C93
22/25
-18V
0V
R201
10
R156
10
VIGND
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 LEDSOLO
TO C/SRC1
1
2
4
3
S28
PROGLINK
R13947K
R14010K
C109
2N2S27
2 POLE SUN
SOLO ENABLE
SOLO AUDIO
![Page 4: Untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k 3 2 6 7 4 ic13 tl071 c106 100/16 v+ v 3 2 1 8 4 ic6a ne5532 c40 33 r78 75 c55 100/16](https://reader033.vdocument.in/reader033/viewer/2022041813/5e58d10eda13af4cfe7db5c5/html5/thumbnails/4.jpg)
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
R6110K
C3733P
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
16VR59
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
67
IC13B
TL072
R187
100K
V-
LED12
RED
S6
4PSUN
1
2
3VR3A
10KX2
+LOG
"CUT L"
METER L
CON F7
CON F8
FROM LED13 TO LED15
TO LED17
C8933P
R190
3K6
3
2
1
8
4
IC14A
TL072
R188100K
LED16
RED
LED14
RED
PR1
5KH
S10
2PSUN
S82PSUN
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
0V12
0V10
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
0V12
0V10
0V 8
IC11
SSM2402
3
21
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
0V12
0V 100V
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
C9033P
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
R6910K
C42
33P
C41
33P
R73
10K
R71
75R
R74
75R
C43
100U16V
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
R8510K
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
3VR2A
10KX2
+LOG
4
5
6VR2B
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
7K5R1
100K
CON A30
C1
100U 16V
C2
100U
16V
R2
100K
CON A10
TAPE1 R+
TAPE1 R-
CON A9
R11
15K
R9
100KR10
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
2SB737C79
680P
C80
680P
C81
680P
C77
100U 16V R178
4K7
R179
4K7
V-
C8633P
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
R8910K
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
R10110K
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
R22375R
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
R1271K6
R1261K6
R12816K
R12916K
R130360K
R131360K
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
100U16V
C16
100U16V
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
R1384K7
R1332M2
R1322M2
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
2PSUNAUX1/2
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
220KCON C13
R104
10K
STUDIO R-
R102
10K
R106
75R
NOTES
V- V-
AUX3
AUX4
AUX5
AUX6
CONB29
CONB31
CONB37
CONB39
AUX3/4
AUX5/6OSC OUT
TO LED23
R164
10KR165
10K
R166
10K
R167
10K
LED21
GRN
LED22
GRN
S4 2PSUN
S13
2PSUN
S14
2PSUN
CON A38
CON A37
TO LED8V+ 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
C10222U
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
100U16V
CON A14
R41
7K5
R36
100KR37
100K
FROM PC1194
SHEET 1
C29
33P
1 OF 4 INTERLOCKMONITOR 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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Date: March 24, 1992 Sheet 1 of 1
Size Document Number REV
D CD1091 4
Title
PC1194 - DMR MONITOR SUB
TW3 2EB ENGLAND
HOUNSLOW, MIDDX
WHITTON RD
UNIT 1, INWOOD BUSINESS PK
DDA LTD
R2
100K
MIX BUS L
MIX BUS COM
CONC 1
CONC 2
R1
100K
R3
75R
C4100pF
C2
220uF
25V
C1
220uF
25V
R73K9
TR1
2SB737
R6 1K5
C6
100pF
C7
100uF
16V
TR2
BC184
5
6
7
IC1B
NE5532
+18V
R11330R
C8100uF
16V
R9
75R
R8
100K
C3220uF
25V
R10 12K
R14 10K
C9 33pF
3
2
1
8
4
IC1A
NE5532
R17
75R
R15
10K
-18V
INVERT
NON INV
SEND L+ RETURN L-
CONA 5 CONA 4
R1810K
C11
100uF
16VV-R22
15K
3
2
1
8
4
IC2A
NE5532
R23
7K5
C1433pF
R24
75R
C12100uF
16V
C16
100uF
16VC19220nF
CONC 4
MAIN FADER
R31
75R
C2033pF
R3215K
R377K5
3
2
1
8
4
IC3ANE5532
5
67
IC2B
NE5532
C18100uF
16V
CONA 2
MIX OUT L-
R38
75R
C23
100uF
16V
-18V
+18V PR1
5K
VERT
CONA 1
MIX OUT L+
R3975R
C2133pF
C22
100uF
16V
LEFT
5
6
7
IC3B
NE5532R29
4K7
R30
4K7
C17
33pF
R35
15K
R3415K
R367K5
R41
7K5
R40
7K5
R33
15K
C43
33pF
R27
220K
R28
220KCONC 6
CONC 5
1
2
3
VR15K
FADER
PR4
500R
VERT
V+
R20
7K5
R64
7K5
C37
33pF
R21
15K
C15
33pF
C13
100uF
16VR517
100K
R518
47R
SEND L- RETURN L+
CONA 6 CONA 3
C523
100uF
16V
R19
75R R25
10K
R26
10K
INSERT
V-
R16 10K
C10
33pF
3
2
1
8
4
IC5ANE5532
R55
10K
C32
33pF
R56
10K
+18V
R13
10K
INVERT
NON INV
INVERT
LK1B
NON INV
LK1A
R4
1K
R5
3K9
R47
1K5R48
3K9
TR3
2SB737
TR4
BC184
5
6
7
IC5B
NE5532
C29
100pF
R49 100K
-18V
+18V
R50
75R
C5
220uF
25V
C31
100uF
16V
C30
100uF
16V
C27
220uF
25V
R51
12K
MIX BUS R
CONC 3
C25
220uF
25V
C24
220uF
25V
R43
100K
R44
75R
R46
3K9
R45
1K
C26
100pF
-18V
R52330R
C28
220uF25V
V+
R58
75R
C33
33pF
R57
10K
R54
10K
INVERT
NON INV
LK2B
LK2A
SEND R+
SEND R-
RETURN R-
RETURN R+
CONB 6
CONB 7
CONB 5
CONB 4
R59
10K
R60
75R R66
10K
R67
10K
C34
100uF16V
C524
100uF16V
INSERT
V+
V-
R61
7K5
R62
15K
C38
33pF
R65
75R
R63
15K
3
2
1
8
4
IC6A
NE5532
C36
100uF
16V
C35100uF
16V
C39
100uF
16V
R519
100K
R520
47R
R69
220K
R68
220K
C42
220nF
CONC 7
CONC 9
CONC 8
MAIN FADER
PR5
500R
VERT
1
2
3
VR2
5K
FADER
3
2
1
8
4
IC7A
NE5532
5
6
7
IC7B
NE5532
R78
7K5
R77
7K5
R70
4K7
R71
4K7
5
6
7
IC6B
NE5532
R72
75R
C40
33pF
R73
15K
R75
15K
R76
15K
R74
15K
C41
100uF
16V
CONB 2
CONB 1
MIX OUT R-
MIX OUT R+
-18V
+18V
R7975R
R80
75R
C46
100uF16V
C45100uF16V
RIGHT
PR2
5K
VERT
V-
V+
CONA 8
MONO OUT -
C44
33pF
R89
75R
C50100uF16V
MONO
PR3
5K
VERT
R82
7K5
R81
7K5
C47
33pF
3
2
1
8
4
IC8A
NE5532
R83
15K
R88
7K5
R85
15K
R86
15K
R95
4K7
3
2
6
7
4 IC9
TL071
C51
33pF
CONB 9
CONB 10
MIX (L)
MIX (R)
R93
10K
R94
10K
R92
7K5R917K5
5
6
7
IC8B
NE5532
R87
7K5
R84
15K
CONA 7
MONO OUT +
R90
75R
C48
33pF
C49100uF16V
REVISION NOTES:
REV 3 R93,R94 WERE 2K4 NOW 10K
R87,R88 WERE 7K5 NOW 1K
R83,R84,R85,R86 WERE 15K NOW 33K
V2+
V2-
TO OP AMPS
C527
22uF
25V
C529
22uF
25V
C533
22uF
25V
C534
22uF
25V
C532
22uF
25V
C530
22uF
25V
C528
22uF
25V
C531
22uF
25V
CONA 9
CONA 10
CONB 3
+18V
GND
-18V R516
10R
R515
10R C535
22uF
25V
C525
22uF
25V
C526
22uF
25V
C536
22uF
25V
REV 4 R517,R519 WERE 220K NOW 100K
R10,R51 WERE 10K NOW 12K
C3 AND C4 REFS REVERSED
R87,R88 WERE 1K NOW 7K5
R83,R84,R85,R86 WERE 33K NOW 15K
ADDED IC9
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Date: November 4, 1994 Sheet of
Size Document Number REV
C CD1262-1 A
Title
DMR12 AUXILIARY OUTPUT MODULE
DDA A MARK IV COMPANY
1 2
1 2
1 2
1 2
1 2
AUX OR F/B BUS LINK
CON1/31
CON1/29
CON1/27
CON1/25
C101
100P
R103
75R
R108
10K
R106
10K
R107
75R
R102
10K
C102
100P
C103
100P
3
2
1
8
4
IC102A
TL072
3
2
8 5
6
7
4
IC101
NE5534
C104
100/16C105
220N
1
2
3
LEVEL
10K LOG
S1
CUT
R109
75R
R111
220K
R115
4K7
R114
75R
R113
10K
R112
4k7
C106
100p
C107
100/16
5
6
7
IC102B
TL072
C109
1.5N
5
6
7
IC104B
TL072
C110
100P
HF
47K R118
4K7
5
6
7
IC103B
TL072
R124
10K
R122
10K 3
2
1
8
4
IC103A
TL072
R130
2K2
R134
75R
R138
4K7
VR1
5K
CON2/1
C117
100/16
CON2/2
C118
100/16
AUX 2 CON2/3,4
AUX 3 CON2/5,6
AUX 4 CON2/7,8
3
2
1
8
4
IC104A
TL072
R131
2K2
R132
2K2
R133
2K2
R135
75R
R137
R139
R140
1 2
3
100K LIN
1 2
3
R121
6K8
R123
6K8
C112
3N3
C113
1N5
C108
22NC111
22N
R119
6K8
R117
22K
R120
75R
LF
47K
10K LIN
R116
6K8
D2
RED LED
V-
R105
100KR104
75R
1 2
1 2
1 2
CON1/35
CON1/33
CON1/39
CON1/37
THERE ARE FOUR IDENTICAL SECTIONS OF CIRCUIT ON THE BOARD
SECTION 2 COMPONENTS ARE NUMBERED FROM 200
SECTION 3 COMPONENTS ARE NUMBERED FROM 300
SECTION 4 COMPONENTS ARE NUMBERED FROM 400
CON1/1 METALWORK
D1
YELL LED
V-
SOLO ENABLE
R126
47K
R125
10K
CON1/2
R127 10K
CON1/4 SOLO ENABLE
V+
S2
SOLO
C115
22/25
C116
22/25
+17V
-17V
OV
R128
10R
R129
10R
CON1/30,32,34
CON1/24,26,28
CON1/40,36,22,20,18
CON1/23 AUDIO REFERENCE
21 MIX L
22 0V
23 AUDIO REF
24 V-
26 V-
28 V-
32 V+
34 V+
36 0V
38 0V
25 AUX 4
27 AUX 3
29 AUX 2
31 AUX 1
33 F/B 2
35 F/B 1
37 F/B 4
39 F/B 3
11 GROUP 4
13 GROUP 3
15 GROUP 2
17 GROUP 1
18 0V
19 MIX R
16
14
12
1 MWK GND
4 SOLO ENABLE
2 SOLO AUDIO
6 48V
3 GROUP 8
5 GROUP 7
7 GROUP 6
9 GROUP 5
8
10 20 0V 30 V+ 40 0V
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Date: February 17, 1992 Sheet 1 of 1
Size Document Number REV
D CD1134 (PC1253 & PC1254) 2
Title
DMR Stereo Input
Hounslow
Whitton Road
Unit 1, Inwood Business Park
DDA Ltd
Sub-Board
L PST HPF 50Hz
L PST HPF 100H
R93
36K R95
10K
C37100U
16V 3
2
1
8
4
IC13A
TL072
R94
18K
C38100U
16V 5
6
7
IC13B
TL072
R96
10K
R91
22K
R92
11KC33100N
C34
100N
C35100N
C36100N
S8
2PSUJ
A
B
CON 6/11
CON 6/12
D6 LED
3
2
1
8
4
IC11ATL072
C113
100U16V
R238
47K
5
6
7
IC11B
TL072
C114100U16V
C1
2N2
C2
1N
C3
3N3
C4
1N5
S6
2PSUJ
S7
4PSUJ
WIDTH IN
D5 LED
10
9
8
IC9C
TL074C27100U
16V
R211K
R1
11K
R44K7
R34K7
S5
4PSUN
BAL WIDTH
C9933P
3
2
1
4
11
IC10ATL074
12
1314
IC10DTL074
5
6
7
IC9BTL074
R7856K
1
2
3
POT3A
4K7X2
R222
75R
R64
10K
C24
100U
16V
R692K2
R7322K
L/R/MONO
R60
10K
R61
24K
R63
24K
C97
33P
R62
24K
R59
10K
3
2
1
8
4
IC5A
TL072
C2233P
PHASEMETER
R246
75R
R247
10K
3
2
1
8
4
IC3ATL072
R3103K6
R5710K
R248
22K
RP3
5K 1/4
METER L+
METER L-
+10db
LK6-A
3
2
1
8
4
IC1A
TL072
C9100U
16V
R2715K
R26
15K
C45
33P
R287K5
C10
100U
16V
R24100K
R25100K
C11
33P
R30
7K5
C44100U
16VR2975R
R295
24K
LEFT -
LEFT +
L PRE PH
R3510K
5
6
7
IC1BTL072
R34
75R
C12
100U16V
R53
10K
R5475R
5
6
7
IC3BTL072
5
6
7
IC5BTL072
R3113K6
R250
10K
R251
22K
C4333P
R10310K
R32330R
R33330R
RP4
5K 1/4
1 2
3
POT1A
4K7X2
CON 6/1
Sub-Board
L PRE MONO L PST PH
R305
75R
R5875R
C23
100U16V
R52
10K
R65
10K
3
21
8
4
IC6A
TL072
R30124K
R30224K
S1
2PSUJ
S3
2PSUJ
CON 6/3 CON 6/2
C127
100U16V
R7575R
R67
1K
R681K5
R7675R
R70
2K2
R721K5
R71
1K
R74
22K
1
2
3
POT2A
4K7X2
4
5
6
POT2B
4K7X2
S2
2PSUJ
R224
75R
C25100U
16V
R22375R
C9833P
C26100U
16V
R8110K
R83
100K
3
2
1
4
11
IC9ATL074
5
6
7
IC10BTL074
R77
56K
4
5
6
POT3B
4K7X2
R85
47K
10
9
8
IC10C
TL074
R6
11K
R5
11K 3
2
1
8
4 IC12A
TL072
C115100U16V
R23947K
R240
47K
C5
2N2
C6
1N
C73N3
R PST HFP 50Hz
L PRE HPF
R PRE HPF
R8736K
3
21
8
4
IC14A
TL072
C39
100U
16V
R8818K
R97
10K
R8911K
C29
100NC30
100N
CON 6/13
CON 6/17
CON 6/15
R PST HPF 100H
D2 LED
R12
10K
R11
10K
5
6
7
IC14BTL072
C40100U
16V
R98
10K
LK3-B
LK3-A
LK3-C
LK3-D
R90
22K
C31
100N
C32
100N
S11
4PSUN
solo
CON 6/14
SOLO
NOTE:
R10
47K
5
6
7
IC12BTL072
C116
100U16V
R241
47KC8
1N5
solo en
PRE F L
PRE F R
POST F L
R86
47K
TR3
BC212
C28
100U
16V
R218100K
R21710K
R84K7
R74K7
C95
470NV+
V+
PEAK LED
R8210K
R84100K
12
13
14
IC9DTL074
R215100K
V+
INSERT
R306
10K
R PRE MONOR PRE MONOR PST PH
R49
10KR128
10K
C136
33P
R66
10K
R304
10K
R307
24K
3
2
1
8
4
IC15A
NE5532
C20
33P
R56
75R
C21100U
16V
R30310K
S4
2PSUJCON 6/4
CON 6/5
CON 6/6
R PRE PH
R249
75R
R55
10K
R50
10K
R5175R
5
6
7
IC2BTL072
R4875R
C19100U
16V
R47
10K
5
6
7
IC6B
TL072
R44
10K
C1833P
R46330RR45
330R
4 5
6
POT1B
4K7X2
METER R+
METER R-+10db
C16
33P
C15
33P
R37
100K
C13
100U16V
R38
15K
R39
15K
R36
100K
C17100U
16VR4275R
R41
7K5
R40
7K5
3
2
1
8
4
IC2A
TL072
C14100U
16V
LK6-B
R296
24K
RIGHT +
RIGHT -
R102
47K
R104680R
C4133P
R105680R
3
2
1
4
11 IC7A
TL074
R9947K
C42
3N3
1 2
3
POT4A
4K7X2
R121
47K
R123
47K
C56
33P
10
9
8
IC7CTL074
R122
75R
R126
10K
R127
10K
R9
3K3
12
13
14
IC7D
TL074
R124
680RR125
680R
C58
4N7
C551U
C57
1U
4
5
6
POT5B
100KX4
1
2
3POT5A
1 2
3
POT7A
4K7X2
Sub-Board
R135
75R
R170
10K
R198
75R
R201
10K
C90
33P
C93
33P
C54
100U16V
C8933P R129
10K
3
2
1
8
4IC16A
NE5532
C92
33P
5
6
7
IC7B
TL074
R31810K
R32175R
C138
33P
R31910K
R32075R
SEND RETURN
C66
100U
16V R13810K
C68
100U
16V
C75
100U
16V
C76
100U
16V
R199
10K
R20075R
C91
100U
16V
C69
33P
C67100U16V
R142
7K5
R1447K5
R140
100KR141100K
R1527K5
R153
7K5
R143
7K5
L SEND+
L SEND-
R SEND+
R SEND-
L RET+
L RET-
R RET+
R RET-
C71
100U
16V
C72
100U16V
R213
1K8
R145
7K5
5
6
7
IC15BNE5532
R21212K
R21112K
C60
100U16V
LK2-B
LK2-A
LK2-C
TR1BC182
R216
100K
TR2BC182
LK2-D
C94
100U16V R214
1K8
R14675R
C7033P
5
6
7
IC16BNE5532
R15075R
C7333P
PRE F L
PRE F R
PRE F L
POST F L
POST F R
PRE F R
V+
PEAK
D9
LED
When P&G Faders are fitted:-
1) Do NOT fit R156 and R163
2) Replace R157 and R164 with wire links
R300
100RTR5
BC212
V+ 14
AI 4
AO 6
AC 2
BI 11
BO 9
BC 13
V- 7
0V 1
0V 3
0V 5
0V12
0V10
0V 8
IC19
SSM2402
R26847KR220
100K
R21910K
R221100K
TR4BC212
C96
470N
PRE F L
V+
V+10K
R160
4K7
R156
220K
R16275R
R158
220K
C78
33P
3
2
1
8
4
IC17ANE5532
R15747R
R159680K
R1613K6
C77220N
RP1500RH
1
2
3
FADER1A
P&G ST POST F L
POST F R
POST F R
R173
1K
C83
33P
R175
75R R180
100K
R172
1K
5
6
7
IC17BNE5532
R17122K
C85100U16V
C79
100U16V
R174
20K
L BUS
C84
33P
R179
100K
R21
1K
R23
75R
R177
22K
5
6
7
IC23B
NE5532
R22
1K
C86100U
16V
D3
1N4148
C82100U16V
D13RED
R178
20K
D6
GRN
R308
150R
R BUS
LED A LED B
V+
ON
10K
R163220K
R1674K7
R169
75R
R165220K
C8133P
3
2
1
8
4
IC23ANE5532
LK4-A
R16447R
R166680K
R1683K6
C80220N
RP2
500RH
4
5
6
FADER1B
P&G ST
C126
47N
R297
1K
R299
100R
D 5
Q 1
CLK 3
Q 2
R
4
S
6
IC21A
4013
R270
2K2
V+ 14
AI 4
AO 6
AC 2
BI 11 BO 9
BC 13
V- 7
0V 1
0V 3
0V 5
0V12
0V10
0V 8
IC20
SSM2402
PRE F R
+5V
V-
AUX 7/8
R149
7K5
R2010K
R19
10K
AUX 7
AUX 8
MUTE IN
DIR
D10 LED
R139
75R
R17
10K
R18
10K
C7433P
R151
7K5
R155100K
R154100K
1
2
3
POT12A10KX2+LOG
1
2
3
POT13A10KX2
+LOG
4
5
6
POT13B10KX2
+LOG
S23
6PSUJ
AUX 5
pre/off/post
D1 LED
R136
10KR137
10K
R120
10K
S10
4PSUN
S15
DPDT
C/OFF
PRE F L
R116
47K
C4933P
R11547K
R113
10K
12
13
14
IC8D
TL074
R112
10K
R313K3
R118
680RR117680R
C5910N
C51
1U
C521U
1
2
3 POT6A
4K7X2
4 5
6
POT7B
4K7X2
L EQ IN
D17 LED
R107
680R
C4633P
R106
680R
R100
75R
C50
3N3
4 5
6
POT4B
4K7X2
S22
4PSUJ
A
B
CON 6/15
CON 6/17
CON 6/16
R EQ IN
Sub-Board
R111
75R
5
67
IC8B
TL074
R109
47KR108
47K
CON 6/18
10
9
8
IC8C
TL074
R114
75RR1013K3
R1103K3
R31410K
R317
75R
3
2
1
4
11
IC8A
TL074
C137
33P
C4710N
C484N7
10
11
12
POT5D
100KX4
7
8
9
POT5C
4
5
6
POT6B
4K7X2
pre/off/post
R119
10K
C53
100U
16V
R31675R
R31510K
POT9
10K +LOG
S13
SPDT
C/OFF
PRE FDR
PST FDR
PRE F R
POST F L
POST F R
POST F L
POST F R
AUX
5/6
C120
33P
R25810K
R312
10K
R266
10K
R31310K
C119100U16V
C123100U
16V
R13
10K
POT8
10K +LOG
4
5
6POT12B
10KX2
+LOG
AUX 1
AUX 6
DIRECT
LEFT
R25610K
C118
33P
R25275R
C117100U16V
R255
10K
5
6
7
IC18BNE5532
R257
10K
R25475R
C121100U
16V
R26075R
R25310K
3
2
1
8
4
IC18ANE5532
L DIR +
R DIR +
L DIR -
MUTE OUT
R271100K
R2734K7
R274150K
TR6BC182
R298
10K
TR10BC182
R272
100K
+5V+5V
+5V
OV
OV
OV
OV
C135
2U263V
CUT LED
CUT
R278
100K
R279
100K
TR7BC212
LK4-B
R280100K
R281
1K
TR8
BC212
D231N4148
R32410K
TR12BC182
CUT +VE
+5V+5V
+V9
V-
-V4
Sub-Board
D19
LED
LPF
EQ
DIR
1/2
HPF IN
3/4
5/6 SIG
PEAK
MIX
11/12
9/10
TR11BC212
D41N4148
R30910K
D12RED
D9
RED
D15
RED
D16
RED
D11
RED
D1
RED
D10GRN D7
GRN
D22GRN
D17
GRN
D25
16V
CON 6/19
CON 6/20
+V9
-V4
MWK GND
GRP 8
GRP 7
GRP 6GRP 5
GRP 4
GRP 3
GRP 2
GRP 1
SOLO
SOLO EN
+48V
GRP 12GRP 11
GRP 10
GRP 9
7/8WIDTH IN
CUT
SOLO
D14RED
D19
RED
1
2
3
CON13WAYMH
1 2
3 45 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 2829 30
31 32
33 34
35 36
37 38
39 40
CON340WAY
IDCMH
D2YEL
D5GRN
1
2
3
4
CON6
4WAYMH
LED A LED B
OV
SIGNAL
PRESENT
Fader Start
Connects to
CUT Switch & Led
D22
LED
MIDI
R286
47K
TR9
BC212
D241N4148
R32575R
C143100N
1
2
3
CON23WAY
MH
1
2
3
CON9
3WAYMH
CUT +VE
CUT -VE
MUTE IN
MUTE OUT
-V4
R285
75R
R282100K
R283
1K
R284100K
C13122U25V
C1322N2
3
2
6
7
4
IC22TL071
LK1-A
LK1-B
R32375R
+V
DIRECTRIGHT
R26510K
R263
10KR26410K R262
75R
R26110K
C122
33P
R130
10R
R233
10R
R232
10R
R228
10R
R229
10R
R DIR -
PRE FDR
PST FDR
+18V
R275
100R
C124
33P
R23610R
R131
10R
R133
10R
R234
10R
R1410K
R1610K
R1510K
POT10
10K +LOG
AUX 2
AUX 3
AUX 4
+18V
pre/off/post
R294
10K
C134
100U
16V
POT1110K +LOG
S14SPDT
C/OFF
PRE FDR
PST FDR
8 10 12
PRE FDR
PRE FADE MONO
R290
10K
R291
10K
R28824K
R28924K
C133
33PR29224K
5
6
7
IC4B
TL072
R29375R
PST FDR
4 6
PRE F L
PRE F R
POST FADE MONO
R187
10KR183
10K
R184
10K
C88
100U
16V
C87
33PR18524K
R18124K
3
2
1
8
4
IC4A
TL072
R18675R
R18224K
2
POST F L
POST F R
RIGHT
D7LED
D11LED
R18810K
R18910K
R19010K
S9
4PSUJ S16
4PSUJ
1
L BUS
R BUS
LEFT
D14
LED
D15
LED
D16
LED
R19110K
R19210K
R19310K
R194
10KR19510K
S17
4PSUJ
S18
4PSUJ
3 5
D12
LED
D13
LED
R19610K
R19710K
R24210K
R24310K
S19
4PSUJ
S20
4PSUJ
S21
4PSUJ
7 9 11
R24510K
R24410K
C102220U
25V
R23510R
C101
220U25V
R13410R
R13210R
R22510R
C62
22U25V
C6522U
25V
C11222U
25V
C104
22U25V
C111
22U25V
C10522U
25V
+V1 +V2
-18V
-V1 -V2
R26910R
R22610R
R22710R
R23110R
R23010R
C12522U
25V
C63
22U25V
C139
22U25V
C14022U
25V
C10622U
25V
C110
22U25V
C103
22U25V
C10722U
25V
C10822U
25V
C141
22U25V
+V3 +V4 +V5 +V6 +V7 +V8
-V3 -V4 -V5 -V6 -V7 -V8 -V9
-18V
-18V
R322100R
C128
220U25V
C142220U
25V
V2 IC5,6,9,10
V1 IC1,2,3
V3 IC11,12,13,14
V4 LED CHAIN
V5 IC7,8
V6 IC15,16V7 IC4,17,23
V8 IC18
V9 IC19,20,22
C129
2U263V
LK5
VIN 1
0V
2
VOUT 3
REG178L05 +5V+V9
OV LEFT +
RIGHT +
R SEND +
L RET +
R RET +
L DIR +
R DIR +
LEFT -
RIGHT -
L RET -
R RET -
L DIR -
R DIR -
L SEND -
R SEND -
L SEND +1 2
3 4
5 6
7 8
9 1011 12
13 14
15 16
17 18
19 20
CON5
20WAYIDCMRH
METER L+
METER L-
METER R+
METER R-
MUTE OUT
VCC
PA R
PA L
VREF
AUX 8
AUX 7
AUX 6
AUX 5
AUX 3
AUX 4
AUX 1AUX 21
2
3
4
CON44WAYMH
+18V
-18V
![Page 8: Untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k 3 2 6 7 4 ic13 tl071 c106 100/16 v+ v 3 2 1 8 4 ic6a ne5532 c40 33 r78 75 c55 100/16](https://reader033.vdocument.in/reader033/viewer/2022041813/5e58d10eda13af4cfe7db5c5/html5/thumbnails/8.jpg)
Date: September 24, 1991 Sheet of 1
Size Document Number REV
C CD1130-2 2
Title
MIDI I/O PCB
MIDDLESEX TW3 2EB
HOUNSLOW
WHITTON ROAD
UNIT 1, INWOOD BUSINESS PARK
DDA LTD
IN25
IN26
IN27
IN28
IN29
IN30
IN31
IN32
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U14
74HCT245
VCC
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7IN17
IN18
IN19
IN20
IN21
IN22
IN23
IN24
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U4
74HCT245
VCC
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U12
74HCT245
D0
D1
D2
D3
D4
D5
D6
D7IN9
IN10
IN11
IN12
IN13
IN14
IN15
IN16
VCC
IN6
IN7
IN8
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U2
74HCT245
VCC
D0
D1
D2
D3
D4
D5
D6
D7IN1
IN2
IN3
IN4
IN5
A 1
B 2
C 3
G1 6
G2A 4
G2B 5
Y015
Y114
Y213
Y312
Y411
Y510
Y6 9
Y7 7
U5
74HCT138
VCC
RD*
A0
A1
A2
-IO1
IN33
IN34
IN35
IN36
IN37
IN38
IN39
IN40
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U8
74HCT245
VCC
D0
D1
D2
D3
D4
D5
D6
D7 IN41
IN42
IN43
IN44
IN45
IN46
IN47
IN48
VCC
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U16
74HCT245
D0
D1
D2
D3
D4
D5
D6
D7 IN49
IN50
IN51
IN52
IN53
IN54
IN55
IN56
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U10
74HCT245
VCC
D0
D1
D2
D3
D4
D5
D6
D7 IN57
IN58
IN59
IN60
IN61
IN62
IN63
IN64
A1 2
B118
A2 3
B217
A3 4
B316
A4 5
B415
A5 6
B514
A6 7
B613
A7 8
B712
A8 9
B811
G 19
DIR 1
U18
74HCT245
VCC
D0
D1
D2
D3
D4
D5
D6
D7
0V0V0V0V
VCC
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
JP3
HEADER 10X2
D0
D1
D2
WR*RD*
A0
A1
A2
-IO1
D3
D4
D5
D6
D7
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
OUT16
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
JP1
HEADER 17X2
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
IN9
IN10
IN11
IN12
IN13
IN14
IN15
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN1
10K
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN3
10K
OUT17
OUT18
OUT19
OUT20
OUT21
OUT22
OUT23
OUT24
OUT25
OUT26
OUT27
OUT28
OUT29
OUT30
OUT31
OUT32
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
JP1
HEADER 17X2
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN2
10K
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN4
10K
IN17
IN18
IN19
IN20
IN21
IN22
IN23
IN24
IN25
IN26
IN27
IN28
IN29
IN30
IN31
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
JP1
HEADER 17X2
OUT33
OUT34
OUT35
OUT36
OUT37
OUT38
OUT39
OUT40
OUT41
OUT42
OUT43
OUT44
OUT45
OUT46
OUT47
OUT48
OUT49
OUT50
OUT51
OUT52
OUT53
OUT54
OUT55
OUT56
OUT57
OUT58
OUT59
OUT60
OUT61
OUT62
OUT63
OUT64
IN33
IN34
IN35
IN36
IN37
IN38
IN39
IN40
IN41
IN42
IN43
IN44
IN45
IN46
IN47
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN5
10K
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN7
10K
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
JP1
HEADER 17X2
IN49
IN50
IN51
IN52
IN53
IN54
IN55
IN56
IN57
IN58
IN59
IN60
IN61
IN62
IN63
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN6
10K
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
RN8
10K
0V
IN64
0V
IN48IN32
0V0V
IN16
A 1
B 2
C 3
G1 6
G2A 4
G2B 5
Y015
Y114
Y213
Y312
Y411
Y510
Y6 9
Y7 7
U6
74HCT138
VCC
WR*
A0
A1
A2
-IO1
D1 2
Q119
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U1
74HCT574
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7D1
2Q1
19
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U11
74HCT574
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
OUT16
D1 2
Q119
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U3
74HCT574
D0
D1
D2
D3
D4
D5
D6
D7 OUT17
OUT18
OUT19
OUT20
OUT21
OUT22
OUT23
OUT24
D1 2
Q119
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U13
74HCT574
OUT25
OUT26
OUT27
OUT28
OUT29
OUT30
OUT31
OUT32D0
D1
D2
D3
D4
D5
D6
D7
D1 2
Q119
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U17
74HCT574
OUT57
OUT58
OUT59
OUT60
OUT61
OUT62
OUT63
OUT64D0
D1
D2
D3
D4
D5
D6
D7OUT49
OUT50
OUT51
OUT52
OUT53
OUT54
OUT55
OUT56
D1 2
Q119
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U9
74HCT574
D0
D1
D2
D3
D4
D5
D6
D7D1
2Q1
19
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U15
74HCT574
OUT41
OUT42
OUT43
OUT44
OUT45
OUT46
OUT47
OUT48D0
D1
D2
D3
D4
D5
D6
D7D1
2Q1
19
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
CLK 11
OC 1
U7
74HCT574
OUT33
OUT34
OUT35
OUT36
OUT37
OUT38
OUT39
OUT40D0
D1
D2
D3
D4
D5
D6
D7
C1
100n
C2
100n
C11
100n
C12
100n
C13
100n
VCC
C14
100n
C15
100n
C16
100n
C17
100n
C18
100n
C10
100n
C9
100n
C8
100n
C7
100n
C4
100n
C3
100n
C5
100n
C6
100n
![Page 9: Untitled-8 [ddaconsoles.com]ddaconsoles.com/pdf/schematics/dmr12-schematics.pdf · c107 3 r226 10k 3 2 6 7 4 ic13 tl071 c106 100/16 v+ v 3 2 1 8 4 ic6a ne5532 c40 33 r78 75 c55 100/16](https://reader033.vdocument.in/reader033/viewer/2022041813/5e58d10eda13af4cfe7db5c5/html5/thumbnails/9.jpg)
Date: September 21, 1992 Sheet of 1
Size Document Number REV
B CD1131 2
Title
MIDI DISPLAY AND KEYBOARD
DDA, HOUNSLOW, MIDDX, TW3 2EB ENGLAND.
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
JP1
26WAY
Fitted to track
side of pcb
KC0
KC1
KC2
KC3
KC4
KR0
KR1
KR2
KR3
1
2
6
SW1
SW2
SW11
3
4
8
SW13
SW4
SW3
5
MUTE
0
SW5
SW6
SW15 SW17
SW8
SW7
INC
RECALL
DEC
SW9
SW10
SW19
KR0
KR1
KR2
KR3
KC0
KC1
KC2
KC3
KC4
LR5
GROUP
MIDI
CLEAR
LR0
LR1
LR2
LR3
LC0
LC1
LC2
LC3
LC4
LC5
LC6
LC7
LR4
DUMPSTORE
SW20
SOLO
SW16 SW18
9
SW14
7
SW12
LC0
LC1
LC2
LC3
LC4
LC5
LC6
LC7
GROUP
D9
RED
109854237
16
LD1
HDSP7303
109854237
16
LD2
HDSP7303
#4109854237
16
LD3
HDSP7303
#8
D4
RED
D13
RED
MUTE
#3
D6
RED
D3
RED
D5
RED
D16
RED
#1
#2
SOLO
D1
RED
D2
RED
#9
#0
D11
RED
D12
RED
D15
RED
D14
RED
#6
#7
RECALL
D8
RED
D20
RED
DUMP
MIDI
D10
RED
STORE
D18
RED
#5
LR0
LR1
LR2
LR3
LR4
LR5
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Date: November 1, 1991 Sheet 1 of 1
Size Document Number REV
C CD1132-2 3
Title
MIDI LOGIC BOARD
MIDDLESEX TW3 2EB
HOUNSLOW
WHITTON ROAD
UNIT 1, INWOOD BUSINESS PARK
DDA LTD
R6
220R
D5
1N4148
VCC
R3
470R
2
3
5
6
8
7
U11
6N138
P1,0
P1,1
P1,2
P1,3
P1,4
P1,5
P1,6
P1,7
VCC
1
2 3 4 5 6 7 8 9
RP2
8X10K
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S1
8DIL
RESET
RESET*
RESIN*
VCC
1
2
RESET
2WAY
C1
47N
SENSE 7
RSIN 2
REF 1
CT 3
RS 5
RS 6
+
8
-
4
U1
7705C13
10U
IRQ*
NMI*
RESET*
X1 2
EX2 3
RESET 6
NMI 4
IRQ1 5
P10 13
P11 14
P12 15
P13 16
P14 17
P15 18
P16 19
P17 20
P20 8
P21 9
P22 10
P23 11
P24 12
VCCSTB21
P3037
P3136
P3235
P3334
P3433
P3532
P3631
P3730
P4029
P4128
P4227
P4326
P4425
P4524
P4623
P4722
SC139
SC238
E40
U3
6303
C3
22P
C4
22P
X1
4MHZ
VCC
D0
D1
D2
D3
D4
D5
R7
1K
A0
A1
A2
A3
A4
A5
D1 2
Q119
D2 3
Q218
D3 4
Q317
D4 5
Q416
D5 6
Q515
D6 7
Q614
D7 8
Q713
D8 9
Q812
C 11
OC 1
U12
74HCT573
RXMID
TXMID
R5
220R
6 14
U10C
74HCT240
4 16
U10B
74HCT240
8 12
U10D
74HCT240
2 18
1
U10A
74HCT240
VCC
R2
220R
R1
220R
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
SKT1
15WAY
SP1
10NR8
27R
VCC
R4
220R
VIG
ND
VO
U9
7805
RESET*
NMI*
IRQ*
RESIN*
CLKEN*
SL0
SL1
SL2
1
2
3
4
5
6
7
8
9
RP1
8X10K
WR*
VCC
A6
A7
R*/W
1
2
3
U13A
74HCT00
4
5
6
U13B
74HCT00
A8
A9
A10
A11
A12
A13
A14
A15
AS*
R/W*
E
D6
D7
L
H
L
MIDCLK
RXMID
TXMID
CLKEN*
P1,0
P1,1
P1,2
P1,3
P1,4
P1,5
P1,6
P1,7
9
10
8
U13C
74HCT00
RD*
A8
A9
A10
A11
A12
A13
A14
A15
1
2
3
4
5
6
11
12
8
U14
74HCT30
11 9
U10E
74HCT240
A15
ROM*
IO*
A5
A6
A7
VCC
12
13
11
U13D 74HCT00
A 1
B 2
C 3
G1 6
G2A 4
G2B 5
Y015
Y114
Y213
Y312
Y411
Y510
Y6 9
Y7 7
U15
74HCT138
KEY*
-IO1
-IO2
-IO3
-IO4
-IO5
-IO6
-IO7
C12
22U
C10
47N
A2
A1
A0
VCC
C11
4700U
D0
D1
D2
D3
D4
D5
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
JP1
20WAY
D6
D7
-IO1
WR*RD*
VCC
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
U8
74HCT138
LR0
LR1
LR2
LR3
LC0
LC1
LC2
LC3
LC4
LC5
LC6
LC7
LR4
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
JP4
26WAY
KC0
KR0
KR1
KR2
KR3
KC4
KC3
KC2
KC1
KC0
LR5
D0DB0
12
DB1 13
DB2 14
DB3 15
DB4 16
DB5 17
DB6 18
DB7 19
RD 10
WR 11
CS 22
CLK 3
RESET 9
A0 21
IRQ 4
RL038
RL139
RL2 1
RL3 2
RL4 5
RL5 6
RL6 7
RL7 8
SHFT36
CN/ST37
BD23
SL032
SL133
SL234
SL335
OA027
OA126
OA225
OA324
OB031
OB130
OB229
OB328
U7
8279
D0
D1
D2
D3
D4
D5
D6
D7
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
CE 20
OE 22
PGM 27
VPP 1
O011
O112
O213
O315
O416
O517
O618
O719
U6
27C256
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
ROM*
RD*
VCC
A0
A1
A2
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
D011
D112
D213
D315
D416
D517
D618
D719
U5
GR881
D0
D1
D2
D1
D2
D3
D4
D5
D6
D7
RESET
A0
KEY*
RD*
WR*
E
15 5
U10G
74HCT240
KC1
KC2
KC3
KC4
KC5
KC6
KC7
SHIFT0
CTRL0
SL0
SL1
SL2
1 2RP3A 100R
5 6RP3C 100R
5 6RP4C 100R
1A1 2
1Y118
1A2 4
1Y216
1A3 6
1Y314
1A4 8
1Y412
2A1 11
2Y1 9
2A2 13
2Y2 7
2A3 15
2Y3 5
2A4 17
2Y4 3
1G 1
2G 19
U16
74HCT244
KR0
KR1
KR2
KR3
LC0
LC1
D1 1N4148
D3 1N4148
D2 1N4148
D4 1N4148
X0 13
X1 14
X2 15
X3 12
X4 1
X5 5
X6 2
X7 4
INH 6
A 11
B 10
C 9
X 3
+
V
1
6
0
VA
7
0
VD
8
U17
4051
LR0
LR1
LR2
LR3
LR4
LR5
LR6
LR7
VCC
I0 1
I1 2
I2 3
I3 4
I4 5
I5 6
I6 7
I7 8
O0 18
O1 17
O2 16
O3 15
O4 14
O5 13
O6 12
O7 11
GND 9
+V 10
U18
2803
LC2
LC3
LC4
LC5
LC6
LC7
3 4RP3B 100R
7 8RP3D 100R
1 2RP4A 100R
3 4RP4B 100R
7 8RP4D 100R
VCC
17 3
19
U10H
74HCT240
D3
D4
D5
D6
D7
IRQ*A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
RD*
WR*
A15
VCC
NON-VOLATILE
E
CLKEN* 13 7
U10F
74HCT240
D 2
Q 5
CLK 3
Q 6
PR
4
C
L
1
U2A
74HCT74
D 12
Q 9
CLK 11
Q 8
PR
10
C
L
13
U2B
74HCT74
MIDCLK
VSS
VDD
VCC
C1
47N
C4
47N
C5
47N
C6
47N
C7
47N
C8
47N
C9
47N
C14
47N
C15
47N
C16
47N
C17
47N
C18
47N
C19
47N
C20
47N
C21
47N
C23
47N
C22
47N
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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 [10]
CHASSIS
R45
10k
R46
10k
FRONT PANEL TEST POINT
R3
470R
R1
82R
R2
2k7 1W
PR1
500R
C3
33/63
FL1
0.25A QC1
1000/63
VI 1
2
VO3
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
R110.1R
R470.1R
R480.1R
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
3C9
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
R210.1R
R20
0.1R
R490.1R
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
4
5
9
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
C21100/40
D12
1N4148
D13
1N4148
(5)
(6)
(1)
(4)
(3)
R40
1RTR23
TIP32
TR24
2N5322
DRIVE-
SENSE-
R41
100R
TR19
BC182
D14
1N4002
R34
R2k2
R35
2k2
(2)REG-
R33
6k8
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