MTA CD50 - User Manual

-12V
+12Vcc
-12Vcc
+12Vcc
+12V
+12V
K
L
L
L
I
H
A
B
D
E
F
G
-6V
+6V
TP202
TP301
-12Vcc
-12Vcc
-12V
-6V
+12V
L
K
H
-6V
-12V
M
+6V
TP102
+12V
TP902
TP402
+12V
-6V
TPR
TPL
+6V
-6V
+6V
+6V
+6V
+6V
-6V
TP901
TP201
TP101
TP103
TP401
M
+12V
G
D
F
B
E
C
C
A
+12Vcc
+12V
+6V
+6V
+6V
+6V
+6V
+6V
J
J
J
I
I
U302
4040
U402
4017
8
15
16
14
9
U303
M3050
11 12 7 8 15 8
10
ref
ref
LOW
BAND
DRV
HI
BAND
LMT
DRV
CLIP
MST
RLS
DYN
CTR
OUT
LVL
OFF
ON
LIMITER
(LOW)
(M2)
(M1)
(HI)
9
16
L.P.F.
L.P.F.
ON
OFF
Nome:
Tam.:
Desenho Num.
Des.
Rev.:
Eletrônica Industrial Ltda.
Equip.:
1<1
Escala:
Processador Stéreo
MTA
07072004
Diagrama Geral CD 50
D
M2 HI
ENHACE
1
14
10
4
46
9
2
TURIEL
Apr.:
J.EDUARDO
Ver.:
11
13
11
3 13
8
R301
10M
R302
4K7
R304
1K
R305
4K7
R307
1K
R308
6K8
R310
6K8
R311
1K
R318
22K
L301 L302
L303 L304
C302
47pF
C305
22K
C307
22K
C308
100K
C309
68K
C312
2K2
C315
100K
C507
10uF
+
R178
10K
R179
10K
R320
15K
R175 10K
C154
470p
R279
10K
C503
100K
C505
100K
C504
47uF
+
C506
47uF
+
T506
C501
2.200uF
+
C502
2.200uF
+
C507
100K
C508
47uF
+
C509
100K
C510
47uF
+
R101
680
R102
10K
R103
10K
R105
10K
R107
10K
R110
4K7
R111
10K
R112
2K7
R113
1K8
R115
10K
R116
10K
R117
2K2
R118
2K2
R119
10K
R122
47K
R126
22K
R127
4K7
R128
47K
R129
22K
R130
56K
R132
5K6
R133
6K8
R134
2K2
R136 8K2
R137
2K2
R138
10K
R139
2K2
R142
15K
R143
2K7
R144
10K
R145
2K2
R148
15K
R149
2K7
R154
22K
R155
2K2
R156
10K
R157
2K2
R160
330
R161 10K
R162
5K6
R163
100
R164 22K
R166
10K
R169
10K
R170
10K
R173
10K
R174
10K
R201
680
R202
10K
R203
10K
R204
10K
R205 10K
R207
10K
R210
4K7
R211
10K
R212
2K7
R213
1K8
R214
3K9
R215
10K
R216
10K
R217
2K2
R218
2K2
R131
8K2
R219
10K
R222
47K
R226
22K
R227
4K7
R228
47K
R229
22K
R224
8K2
R230
56K
R232
5K6
R231
1K8
R233
6K8
R234
2K2
R236 8K2
R237
2K2
R238
10K
R239
2K2
R241
15K
R244
10K
R245
2K2
R247
15K
R249
2K7
R250
10K
R251
2K2
R253
22K
R255
2K2
R256
10K
R257
2K2
R260
330
R261 10K
R263 100
R264 22K
R266
10K
R267
10K
R268
10K
R269
10K
R270
10K
R280
10K
R401
3K3
R402
15K
R404
2K7
R405
2K2
R406
4K7
R407
5K6
R408
18K
R410
4K7
R411
3K9
R602
10K
R603
10K
R604
10K
R606
10K
R607
10K
R608
10K
R610
4K7
R611
10K
R612
10K
R613
4K7
R614
4K7
R615
10K
R616
10K
R618
8K2
R619
10K
R620
10K
R622
8K2
R623
10K
R624
10K
R626
4K7
R627
10K
R628
10K
R630
4K7
R632
10K
R701
2M2
R702 4K7
R703
220K
R704
2M2
R705
2M2
R706
10K
R707
10K
R710
4K7
R711
220K
R633
10K
R634
10K
R635
10K
R636
10K
R802
5K6
R804
1M
R805
1K2
R806
1M
R807
1K2
R808
1M
R809
1K2
R810
1M
R811
1K2
R812
1M
R813
1K2
R819
1,8M
R824
10K
R825
10K
R826
10K
R830
10K
R903
4K7
R904
10K
R905
10K
R906
1K
R907
4K7
R908
4K7
R910
10K
R814
10K
R820
470
R821
470
R915
10K
R916
150
R917
100K
R918 820K
R923 100K
R924
3K9
R925
3M3
R926
1K
R929
1M
R718
1M
R928
10K
R927
5K6
C101
47u
+
C102
47u
+
C103
47p
C104
47u
+
C105
47u
+
C106
47p
C107
47p
C108
47p
C109
100K
C110
100K
C111
1K
C113
2K2
C115
470p
C116
2K2
C119 150K
C122
390p
C123
470p
C124
390p
C125
390p
1k
1k
C202
47u
+
C203
47p
C204
47u
+
C205
47u
+
C206
47p
C207
47p
C208
47p
C209
100K
C211
1K
C212
2K2
C213
2K2
C215
470p
C216
2K2
C120
390p
C220
390p
C222
390p
C223
470p
C224
390p
C225
390p
C126 100p
C127
22K
C130
100K
C132
10K
C134
2K2
C136
100p
C229
47u
+
C230
100K
C232
10K
C234
2K2
C235
2K2
C236
100p
C138
470p
C139
2K2
C140
2K2
C142
47u
+
C143 470p
C144 2K2
C145
2K2
C240
2K2
C241
47u
+
C243 470p
C244 2K2
C245
2K2
C317
10uF
+
C319
1K
R321
56K
C404
47pF
C601
220K
C605
47K
C607
100K
C805
47uF
+
C806
47uF
+
C226 100p
C228
22K
C901
100K
C902
33K
C903
100K
C904
33K
C905
1uF
+
C906
100K
C907
100K
C610
22uF
+
U301C
8
9
10
U403A
4001
1 2
3
U403B
5 6
4
Q401
BC547
Q402
BC557
D505-508 1N4004
C406
470p
C112
2K2
R713
2M2
C702
1uF
+
D101 D102
D104
D105
D106
D107
D108
D202
D204
D205
D206
D207
D208
D603
D604
D607
D608
D609
D610
D611
D612
D611
D614
D617
D618
D619
D620
D625
D626
D623
D624
D627
D628
D633
D634
D631
D605
D606
D615
D616
D621
D622
D629
D630
D632
D635
D636
D703
D704
D907
D908
D909
D911
D912
D913
D801
D804
D802
D803
D805
C603
100K
6931
10K
RT702 1M
C129
47u
+
C128
47u
+
C228
47u
+
R317
4K7
R319
5K6
C316
100K
RT301
4K7
RT302
2K0
RT303
500
RT304
470
R313
10K
C155
1.000uF
+
R315
R316
RV101A
10K
RV101B
10K
RV102A
10K
C219 150K
RV102B
10K
RV103B
10K
RV103A
10K
RT101
2K0
RV104B
10K
RV105B
10K
RT102
5K0
RT203
2K0
RT202
2K0
RT204
1K
RV301
50K
RT703
5K0
RT901
10K
RT701
1K
U905A
4081
1
2
3
C114
6K8
C214
6K8
U609D
12
13
11
U609A
1
2
3
U609B
4081
5
6
4
R309
2K2
X301
1.432KHz
R629
4K7
R930
3M9
R931
1M
C908
4,7u
+
D201
D103
R104
10K
D203
R409
4K7
C201
47u
+
C118
100K
RT701
10K
R125 56K
R108
68K
R243
2K7
C221
470p
R221
2K2
R208
68K
C117
2K2
R225 56K
C135
2K2
R121
2K2
C121
470p
C133
47K
C217
2K2
C131
220K
R621
4K7
R609
4K7
R601
4K7
R605
4K7
C242
47u
+
U301D
4001
12
13
11
C407
10uF
+
U107C
+
-
10
8
9
U101A
TL074
+
-
3
1
2
U101D
+
-
12
14
13
U101B
+
-
5
7
6
U102B
+
-
5
7
6
U101C
+
-
10
8
9
R209
120K
C210
100K
U102A
TL074
+
-
3
1
2
U102C
+
-
10
8
9
R114
3K9
U102D
+
-
12
14
13
U104C
+
-
10
8
9
U104D
+
-
12
14
13
U105B
+
-
5
7
6
U105A
TL074
+
-
3
1
2
C218
100K
U105D
+
-
12
14
13
U105C
+
-
10
8
9
U107B
+
-
5
7
6
U107A
TL074
+
-
3
1
2
U107C
+
-
10
8
9
U107D
+
-
12
14
13
U108D
+
-
12
14
13
C231
220K
C233
47K
U108A
TL074
+
-
3
1
2
U110C
+
-
10
8
9
U110D
+
-
12
14
13
U110A
TL074
+
-
3
1
2
U109B
+
-
5
7
6
R150
10K
R151
2K2
R617
4K7
U109D
+
-
12
14
13
U109C
+
-
10
8
9
U110B
+
-
5
7
6
U109A
TL074
+
-
3
1
2
R625
4K7
U114B
+
-
5
7
6
U113A
TL074
+
-
3
1
2
R262
5K6
C238 470p
C239
2K2
U113B
+
-
5
7
6
R167
10K
R278
10K
U114A
TL074
+
-
3
1
2
U114C
+
-
10
8
9
U115A
TL074
+
-
3
1
2
U110C
+
-
10
8
9
U115C
+
-
10
8
9
U114D
+
-
12
14
13
U115B
+
-
5
7
6
U115D
+
-
12
14
13
U113D
+
-
12
14
13
U116A
TL074
+
-
3
1
2
U116B
+
-
5
7
6
R180
1K
U116D
+
-
12
14
13
U118C
+
-
10
8
9
R282
1K8
R283
10K
D905
D910
R322
100
U117
TL071
+
-
3
2
6
U904A
TL074
+
-
3
1
2
U904B
+
-
5
7
6
D902
R912
10K
R909
10K
R913
10K
R902
4K7
D906
D901
C408
100K
R921
10K
U902C
+
-
10
8
9
U904D
+
-
12
14
13
U904C
+
-
10
8
9
D914
U902A
TL074
+
-
3
1
2
U902B
+
-
5
7
6
U902D
+
-
12
14
13
U901A
TL074
+
-
3
1
2
U902B
+
-
5
7
6
U908A
TL074
+
-
3
1
2
D903
D904
U601C
+
-
10
8
9
R901
1K
D812-820
R801
10 /1W
R152
2K2
R252
2K2
R922
10K
U608A
TL074
+
-
3
1
2
U608D
+
-
12
14
13
U608C
+
-
10
8
9
U608B
+
-
5
7
6
U608C
+
-
9
8
14
U608D
+
-
11
10
13
U608A
LM339
+
-
7
6
1
U608B
+
-
5
4
2
R631
10K
D601
D602
U602D
+
-
12
14
13
U602A
TL074
+
-
3
1
2
U604B
+
-
5
7
6
U602B
+
-
5
7
6
U604C
+
-
10
8
9
U604D
+
-
12
14
13
U603B
+
-
5
7
6
U603A
TL074
+
-
3
1
2
U603C
+
-
10
8
9
U603D
+
-
12
14
13
U601B
+
-
5
7
6
U601A
TL074
+
-
3
1
2
U602C
+
-
10
8
9
U604A
TL074
+
-
3
1
2
R803
220
C313
100K
1k
U401B
+
-
5
4
2
R403
4K7
U401A
LM339
+
-
7
6
1
C301
47pF
U701A
LM339
+
-
7
6
1
U701B
+
-
5
4
2
D701
R715
1K
R314
10K
R709
100K
R920
10K
R146
2K2
R158
2K2
U703A
TL074
+
-
3
1
2
U703B
+
-
5
7
6
U701C
+
-
9
8
14
U703C
+
-
10
8
9
U111A
4066
1 2
13
U111D
1110
12
U112D
1110
12
U111C
8 9
6
U111B
4 3
5
U112C
8 9
6
U112B
4 3
5
U112A
4066
1 2
13
U609C
4081
8
9
10
U903D
11 10
12
U903A
4066
1 2
13
U903C
89
6
U105A
4066
1 2
13
U105D
11 10
12
U106B
4 3
5
U106C
8 9
6
U103A
4066
1 2
13
U103B
4 3
5
U702A
4066
1 2
13
U702D
11 10
12
U702C
89
6
U702B
43
5
U606C
8 9
6
U606D
11 10
12
U606A
4066
1 2
13
U606B
43
5
D812-820
D812-820
D812-820
D812-820
R109
120K
C802
100K
C403
100K
C320
100K
R168
10K
C141
47u
+
RV104A
10K
RV105A
10K
U601D
+
-
12
14
13
U601C
+
-
10
8
9
C804
100K
J601
C803
100K
R306
1K
R240
2K2
R220
330
R712
470
R832 10K
C801
100K
R817
470K
R820-822
8K2
R153
15K
C318
100K
R106
10K
R135
47K
C306
47K
R147
3K3
R254
15K
R141
3K3
R248
3K3
R265
10K
U903B
43
5
R120
330
R123
8K2
R235
47K
D501-504
1N4004
R242
3K3
C405
120p
R206
10K
R223
8K2
C310
100K
R312
15K
R165
10K
D702
C311
68K
R911
220K
DL802
C303
100K
DL801
C314
100K
C247
4K7
R281
10K
C401
220
100K
F601
1A
R140
2K2
R258
2K2
R246
2K2
C147
4K7
R831 10K
1k
C402
220
R708
470
R814-816
10K
R818
470K

Summary

Circuit Schematic Overview

Signal Processing Stages

Identifies key functional blocks like LPF, LIMITER, and CLIP within the main circuit diagram.

Power Supply and Control Circuits

Highlights power supply connections (+12V, -12V) and control signal pathways shown in the schematic.

Component Identification and Functions

Integrated Circuit (IC) Allocation

Lists integrated circuits (ICs) and their types (e.g., TL074, LM339) used in the device.

Potentiometer Controls and Adjustments

Details specific controls like Pilot Level, Carrier Null, Audio Null, and Gain Controls with their respective potentiometers.

Power Supply Distribution

Shows the distribution of various voltage levels (+6V, -6V, +12V, -12V) to different circuit sections.

MTA CD50 Specifications

General

Brand	MTA
Model	CD50
Category	Recording Equipment
Language	English