Sony HCD-RG30 / MHC-DX20 / MHC-RG30 Service Manual ▷ View online
24
24
HCD-DX20/RG30
6-5. PRINTED WIRING BOARD – MAIN SECTION –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D101
D-11
D104
C-9
D107
D-9
D108
C-8
D203
E-5
D204
E-5
D205
F-5
D206
E-3
D207
G-5
D301
E-6
D302
C-5
D303
B-6
D361
F-8
D372
G-10
D383
E-9
D601
D-3
D602
D-3
D661
B-4
D662
B-4
D663
B-5
D664
B-5
D665
B-5
D666
C-4
D667
B-4
D668
B-4
D669
B-4
D670
B-6
D681
G-9
D682
H-8
D683
G-9
D684
H-8
D685
G-6
D686
F-7
D687
G-9
D688
G-9
D689
G-9
D690
G-9
D691
F-6
D692
F-6
D693
F-6
D694
G-10
D695
G-10
IC101
C-10
IC102
A-9
IC103
D-9
IC201
F-4
IC301
D-7
IC401
C-3
IC661
B-5
IC681
C-7
IC682
G-6
IC683
G-7
IC684
G-6
Q101
C-9
Q102
A-10
Q103
C-9
Q104
D-9
Q105
D-9
Q210
E-5
Q211
E-5
Q212
G-4
Q213
E-3
Q214
F-5
Q215
G-5
Q216
F-3
Q217
F-3
Q218
G-3
Q219
G-3
Q220
G-3
Q221
G-3
Q222
F-5
Q223
H-4
Q224
H-4
Q225
F-5
Q226
E-4
Q227
G-5
Q228
H-5
Q229
E-4
Q230
G-4
Q301
H-6
Q302
H-6
Q361
D-3
Q362
D-4
Q363
F-9
Q364
F-9
Q365
F-9
Q381
F-10
Q382
F-10
Q383
F-10
Q384
E-10
Q385
E-9
Q386
E-9
Q387
E-9
Q601
D-3
Q602
D-3
Q603
D-3
Q604
D-3
Q605
D-3
Q606
D-3
Q661
B-5
Q681
C-7
Q682
D-8
JW031
JW032
JW035
JW034
GND1
JW029
JW030
CLP3
JW054
JW059
JW058
JW057
JW056
JW055
JW065
JW064
JW063
JW062
JW060
JW061
JW026
JW027
JW028
JW073
8
9
16
1
JW075
JW074
JW074
JW072
JW076
JW077
JW078
JW079
JW108
JW107
JW106
JW105
JW103
JW102
JW116
JW115
JW109
JW110
JW053
JW052
JW070
JW069
JW068
JW067
JW066
JW071
JW117
JW114
JW113
JW112
JW111
JW051
JW050
JW049
JW048
13
1
JW037
JW038
JW036
JW041
JW039
JW040
JW042
JW043
JW044
JW157
JW156
JW153
JW155
JW154
JW152
JW151
JW046
JW045
1
13
JW150
JW047
12
13
JW018
JW017
JW016
JW001
JW021
JW014
JW013
JW020
JW015
1
24
JW019
JW025
JW022
JW002
JW003
JW004
JW005
JW007
JW006
JW012
JW011
JW010
JW009
JW008
12
13
24
1
JW084
JW083
JW082
JW085
JW087
JW086
19
1
JW089
JW088
JW023
JW024
JW312
JW080
JW081
JW101
JW091
JW092
JW093
JW090
JW104
JW314
JW313
JW096
JW217
JW098
JW099
JW095
JW097
JW094
10
CLP2
JW232
JW231
JW230
JW228
JW229
JW100
1
JW239
JW238
JW237
JW236
JW235
JW243
JW242
JW241
JW240
JW250
JW251
JW223
JW222
JW221
JW220
JW219
JW256
JW227
RG30
RG30
JW226
JW254
JW224
JW225
JW252
JW253
JW260
JW259
JW258
JW257
JW316
JW315
JW269
JW289
JW290
JW298
JW299
JW297
JW291
JW292
JW293
JW281
JW282
JW283
JW285
JW284
JW284
JW286
JW287
JW288
JW294
JW319
JW244
JW246
JW248
JW249
JW247
JW303
JW304
JW305
JW306
JW307
JW302
JW245
JW301
JW308
JW309
JW310
JW311
30
JW300
29
JW161
JW162
JW158
JW163
JW164
JW159
JW160
JW173
JW165
JW171
JW174
JW172
JW167
JW166
JW175
JW169
JW170
JW176
JW178
JW147
JW148
JW317
JW318
JW122
JW125
JW128
JW133
JW134
JW118
JW123
JW124
JW139
JW130
JW137
JW138
JW131
JW132
JW135
JW136
JW145
JW146
JW119
JW120
JW121
JW126
JW129
JW203
JW214
JW215
JW212
JW213
JW127
JW202
JW218
JW216
JW210
JW209
JW208
JW207
JW206
JW205
JW204
JW261
2
JW265
JW266
JW262
JW263
JW264
JW198
JW200
1
JW144
JW143
JW140
JW189
JW190
JW142
JW141
JW193
JW191
JW192
JW195
JW199
JW197
JW196
JW188
JW187
JW185
JW186
JW183
JW182
JW272
JW273
17
16
JW268
JW267
JW270
JW271
JW277
JW278
JW279
JW280
JW201
JW275
1
2
JW274
CLP1
JW181
L371
RG30
DX20
DX20
D694
R377
R378
D695
RB101
Q382
C382
RY371
Q381
C302
C301
C381
JK101
JK101
Q383
D688
Q386
Q384
Q365
C362
R362
Q364
C361
Q363
R361
C363
C697
Q385
JW2
C186
C184
C181
C171
C383
Q387
IC103
X102
C308
C681
C311
C307
JW11
JW12
IC683
C685
C690
C691
JW8
D683
CN403
D681
D689
C683
C684
C693
CN402
L372
R379
D682
D684
C694
D687
D690
JW9
R380
C104
FE101:DX20
DX20
DX20
DX20
RG30
RG30
DX20
FE101:RG30
IC101
C676
Q102
T102:DX20
L671
C140
C133
C114
C113
C137
JW1
RV101
C106 C108
C135
C143
C144
C127
C136
IFT101
CF101
C125
CF102
Q101
T101
C116
C117
X101
IC102
C677
CN102
C675
C671
C658
Q682
C304
C312
C314
C303
C310
C309
C687
1 2 3
C686
Q681
E
E
E
E
E
E
E
E
E
E
E
E
E
E
IC681
C319
C327
C339
C325
C328
C326
C333
C337
C338
C313
C318
C320
C315
1 64
32 33
C356
C317
C300
CN1
X602
C665
C661
C321
JW28
JW29
C662
Q661
IC661
C602
C663
X601
C364
C610
Q361
C699
C222
C698
C348
C689
C688
C347
Q301
Q302
JW168
Q227
C225
Q223
C239
C215
C234
Q215
C230
Q212
C272
C214
C212
Q228
Q224
C240
Q230
IC684
Q225
C221
Q222
C257
IC682
C692
D691
D692
D693
C344
C334
C340
16
17
17
49
48
48
C342
C343
C349
C345
C346
JW31
C256
CN2
Q362
JW32
Q226
C218
C232
C233
C217
Q210
Q211
C236
C235
Q214
Q229
C270
C211
C213
C231
C229
C219
IC201
C209
CN203
Q219
Q218
Q213
C271
JW33
DX20
Q605
Q603
Q601
Q602
Q604
E
E
E
E
E
E
E
E
Q606
RV661
CN701
C241
C242
Q221
Q220
C210
L201
CN202
C223
.1
0
JR607
.1
E
E
Q105
L109
L107
L108
C666
C657
R601
R603
FB4
C204
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1 2 3
1 2 3
1 2 3
E
E
C205
R277
R247
DX20
DX20
DX20
R205
R271
R202
R273
R275
C202
C201
R201
R240
R239
Q217
Q216
R203
C203
C206
C208
R210
R224
R209
R229
C227
R223
R223
R227
R221
C207
R207
C243
R215
C265
R218
R270
R262
R673
R670
R217
R204
D206
R656
R640
R641
C605
R325
D302
R309
FB5
C664
C601
R633
R677
R674
R676
R678
R606
D601
JR10
JR8
R679
R671
R628
R626
R627
R627
R659
R657
R658
R660
R632
R680
R637
R636
R635
R369
R370
R675
R672
R639
R638
JR4
R605
D602
R602
R604
C611
R643
R634
R630
R629
R631
IC401
R308
R305
R306
R307
R315
R324
C350
R322
R320
R321
R318
R313
R314
R317
R316
IC301
D301
R231
R323
R342
R341
R237
R219
R246
R256
C235A1
R245
R249
D204
JR17
R263
R257
D203
R235
R233
D205
R220
R250
D686
R261
R258
R222
R238
R264
C236A
R231A
C237
C266
C224
R253
C226
JR7
R260
R226
C238
R225
R274
R272
R276
R228
R230
R278
R214
R236
C244
R234
R232
R232A
R208
C228
R252
R241
R242
R206
R251
R248
D685
R243
R254
R368
R333
R337
R335
R331
R332
R338
R336
R334
R216
R255
D207
R244
R327
D303
R340
JR11
DX20
JR16
D670
JR15
C673
R647
R648
JR14
D662
R646
R655
D661
D667
D668
R662
R661
D664
D669
D665
D663
C656
R664
R644
JR1
C607
C608
R663
D666
R665
C603
R607
C606
R625
C644
C614
R615
R624
R623
R621
R614
R610
R613
R612
C613
R609
C612
R622
R650
R649
R645
FB6
R611
R608
C604
R620
R616
R617R618
R619
R101
JR642
R112
R3
C112
R113
PH671
1
3
R114
R116
C115
JR602
R104
JR641
R123
C105
R7
R109
C103
R107
JR109
C118
C123
R120
C124
C121
C122
R136
JR603
C119
JR606
C120
R122
R135
R111
C101
R121
R119
JR633
FB2
FB3
C672
C679
C678
JR640
C659
FB1
C674
D108
R126
R118
R106
C374
C372
C373
C371
C375
C376
D372
JR638
D361
C322
R367
JR636
JR639
Q104
R130
R129
R128
R105
C102
C102
R103
R138
R681
R329
R339
C660
R172
R174
C175
D107
R328
R326
R181
R177
R183
JR637
C172
R171
C183
C182
C180
C179
R175
C29
R115
R117
R139
D101
C111
RG30
RG30
C109
C110
C128
JR634
C107
R110
JR635
R108
R125
C130
C129
C126
D104
R132
R131
R137
C141
R127
C134
C131
C132
R4:RG30
C138
JR110
C139
C142
Q103
R102
R124
R134
R133
C187 C185
C173
R382
R381
R383
C351
C352
R304
R303
R301
R302
C360
R387
R393
R385
R366
R365
R363
R364
R384
R388
R394
R386
R389
D383
C176
E
3
1
E
31 30
80 81
50
51
51
1
100
100
1
12
13
24
1
4
5
8
8
5
4
1
3
1
7
1
MAIN BOARD
DX20 RG30
11
(14)
21
(21)
1-681-440-
D
POWER AMP
BOARD
(Page 30)
POWER AMP
BOARD
(Page 30)
F
A
PANEL
BOARD
(Page 32)
B
DRVER
BOARD
BOARD
(Page 36)
E
BD
BOARD
(Page 22)
PH671
CD DIGITAL OUT
OPTICAL
R-CH
L-CH
ERASE
R-CH
L-CH
A DECK
PLAYBACK
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
B DECK
RECORD/PLAYBACK/ERASE
J302
SPEAKER
IMPEDANCE
USE 6-16Ω
–
+
L
–
+
R
FM
75
Ω
AM
FM
75
Ω
AM
L
JK301
MD/VIDEO
(AUDIO)
R
2
3
4
5
6
7
8
9
10
11
12
A
1
B
C
D
E
F
G
H
I
25
25
HCD-DX20/RG30
6-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/5) –
• See page 42 for IC Block Diagrams.
IC201
Q210
Q211
Q217
Q219
Q220
Q221
Q224
Q218
Q222
Q223
Q216
Q214
Q215
R234
R232
R232A
R214
R216
C244
R272
R278
R276
R274
R237
R220
R208
R206
R201
R202
R239
R240
R210
C206
C203
C204
C201
C202
R228
R230
R222
R224
C224
JR17
R258
R256
R249
R257
R261
R250
R218
R238
R264
C235A
R262
R263
R236
R217 C265
C207
R209
C205
C208
R205
R223
C237
R229
R227
R207
R271
R273
R275
R277
R215
R247
C243
R226
R231
R231A
R233
JR7
R252
R241
R242
R245
R243
R244
R246
R251
R248
C266
R260
R253
R254
C240
C215
C221
C256
C235
C236
C270
R270
C230
C229
C217
C210
R203
R204
CN202
C209
C271
C213
C272
C218
C257
C236A
C233
C242
C241
C239
L201
C223
Q213
R225
R221
C211
C234
C214
C212
Q212
R235
Q228
Q225
Q227
D206
D203
D204
D207
D205
R219
C219
C222
C225
C231
C232
C226
C238
Q229
Q226
Q230
R255
R259
CN203
C228
C227
TA8189N
2SC2785
2SC2785
2SC3623A
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2001
2SC3623A
2SC3623A
2SC3623A
68k
2.2k
1k
4.7k
100k
0.0015
1M
100k
4.7k
1.5k
10k
22k
8.2k
47
10
10
10k
10k
270k
220p
680p
680p
680p
680p
120k
1.8k
220
180k
470p
0
220
10k
680k
390
390
180k
180k
680k
10k
47p
100k
10k
4.7k
10k
0.01
220p
270k
220p
220p
47
180k
470p
1.8k
120k
8.2k
1M
1.5k
4.7k
100k
4.7k
100k
0.0015
22k
2.2k
1k
68k
0
27k
4.7k
4.7k
10k
2.2k
27k
4.7k
2.2k
12k
0.022
390
10k
4.7k
47
16V
2.2
50V
50V
4.7
50V
50V
1
50V
1
50V
100
16V
16V
100
16V
16V
220
100
10V
10V
100
10V
10V
47
16V
47
16V
10
10
47
16V
1
50V
1
50V
1
50V
47
16V
0.1
50V
47p
0.047
MC
0.001
MC
0.0047
MC
0.015
MC
0.022
MC
2SC2785
22k
10k
0.018
MC
0.047
MC
1
50V
0.018
MC
2SC2785
4.7k
2SB1116A
2SB1116A
2SB1116A
BUFFER
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
2SC3623A-LK
MUTE
DTA124ES
SWITCH
2SC3623A-LK
MUTE
1k
1k
3P
47p
47p
8
9
10
11
12
7
6
5
4
3
2
1
13
*
*
50V
*
50V
*
50V
*
50V
*
50V
*
*
REC/PB PRE AMP
HEAD
PLAYBACK
L-CH
R-CH
ERASE
HEAD
RECORD/
PLAYBACK
HRP101
-B DECK-
-A DECK-
HP101
L-CH
R-CH
AMP
Q210,211
MUTE
MUTE
OSC
BIAS
BIAS OSC
1
2
3
4
5
6
7
8
9
SWITCH
Q220,221
AMP
SWITCH
Q218,219
BIAS OSC
Q224,228
B+ SWITCH
SWITCH
SWITCH
AMP
*R219
47k
10k
10k
RG30
DX20
DX20
RG30
DX20
*C219
3.3
2.2
RG30
DX20
DX20
3.3
*C222
4.7
RG30
DX20
3.3
4.7
*C225
RG30
DX20
DX20
3.3
*C231
0.47
RG30
DX20
DX20
0.47
*C232
RG30
DX20
*C226
0.0022
0.0018
RG30
DX20
0.0022
0.0018
*C238
SWITCH
Q222,225
DX20
DX20
GND
REC
NF
GND
MIX
PRE
METAL
NF
CH1/A
CH1/B
OUT
OUT
OUT
M/H
REC
OUT
IN
PRE
METAL
OUT
OUT
NF
REC
NF
IN
REC
OUT
TAPE
A/B
CH2/B
CH2/A
CD
VCC
ALC
0.33
MAIN
BOARD(4/5)
(Page 28)
MAIN
BOARD(3/5)
MAIN
BOARD(2/5)
(Page 27)
(Page 26)
26
26
HCD-DX20/RG30
6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/5) –
• See page 19 for Waveforms. • See page 41,42 for IC Block Diagrams.
JK101
R3
C103
R104
C104
R107
R101
R102
R108
R103
CF101
CF102
C102
R105
C149
R139
C110
R117
C111
C29
L108
1
µ
H
R111
R112
R113
R114
R115
R116
C112
C114
C115
C116
C117
C118
R135
R136
C119
R118
R119
R120
R121
R122
R123
C120
X101
C123
C124
R124
C125
C126
RV101
C128
C129
C130
C134
C135
C136
C171
C172
C173
C175
C176
C127
R126
R127
R128
R129
C106
C107
C108
R110
C141
C143
C137
C138
R131
R132
R137
C140
R130
R4
Q105
R174
R175
R138
R183
C184
C186
C187
X102
C182
C183
R181
C179
C180
C181
R177
R7
T102
R109
D101
R171
C144
C101
C113
C121
C122
JK101
D107
R172
L109
JR637
JR636
JR639
Q103
Q104
R133
R134
C131
C132
C133
R125
T101
C142
C139
JR633
Q102
C105
Q101
R106
JR606
L107
L107
JR634
JR635
JR603
JR
110
JR
607
JR
109
JR641
JR642
JR602
D104
D108
0
0.01
150
47
16V
0
47
680
330
680
0.01
1.5k
4p
0
0.01
100k
0.01
33p
100
4.7k
4.7k
4.7k
10k
100
0.01
47
16V
0.01
2.2
50V
47
16V
0.01
4.7k
3.3k
0.01
100
10k
10k
1k
10k
10k
0.01
4.5MHz
0.001
0.001
220
47
16V
0.01
22k
0.01
0.01
0.01
0.047
4.7
50V
4.7
50V
47
16V
0.1
560p
330p
0.01
1
50V
4.7k
2.2k
560
560
100
16V
0.01
10
50V
10k
0.047
22
16V
10
50V
560p
12k
2.2k
100
1
50V
10k
0
2SC2412K
1k
470
100
4.7k
2.2
50V
10
50V
0.01
4.332MHz
56p
56p
4.7k
0.01
0.01
2.2
50V
100
0
47
DA204K
100
47
16V
0.01
0.47
50V
22p
CH
33p
CH
1S
S3
55T
E
100k
0
0
0
0
2SC1623
2SC1623
0.22
50V
4.7k
0
UN4111
0.01
2SC2410SN
0
0
0
0
0
0
0
0
0
0
0
-TT
DTZ 11-6.8B
1SS355TE
54
16
13
14
X1 X2
10
20
21
22
23
24
25
26
27
28
*2
*2
*1
*1
*
*
*
FM
AM
XIN
VCO
CE
DI
CLK
DO
FM
M
W
FM
IF
IF FEO
FM
/AM
XOUT
GM
ND
VT2
PD1
PD2
VT1IN
VT1
B+
SW
VT2IN
FM
OSC
AM
OSC
REG
AFC
AG
C
M
PX
M
PX
OSC/OUT
AM
RF
AM
M
IX
AM
IF
AM
/FM
O
UT
VCO STOP
OSC
VCC
GND
AM
/FM
L OUT
R
OUT
IF OUT
IF M
UT
ST LED
TU LED
FM
D
ET
FM
SD
FM
IF
FM
75
Ω
75
Ω
AM
S
T LED
TU LED
S
T M
UTE
R
CLK
+B
GND
VT
GND
GND
ANT IN
OSC OUT
GA
FE101
+B
GND
VT
GND
GND
ANT IN
OSC OUT
FE101
IF OUT
IF OUT
RDS
DECODER
RB101
IFT101
IC103
BU1924
IC102
LC72130
IC101
BA1450
CED
PB641
PLL
FM/AM
FRONTEND,
IF AMP,MPX
AMP
RG30
QU
AL
RDATA
VR
EF
M
UX
VD
D1
VSS1
VSS3
CM
P
RCLK
NC
XO
XI
VD
D2
VS
S2
T1
T2
RG30
DX20
DX20
RG30
AMP
Q103,104
RG30
DX20
DX20
*2 R133,134
270
470
470
RG30
DX20
DX20
0.022
0.015
0.015
FM TUNED LEVEL
RG30
DX20
DX20
100P
470P
*C142
RG30
DX20
DX20
*C139
680P
220P
220P
RG30
DX20
+B
SWITCH
RF IF AMP
RG30
DX20
DX20
*R106
680
330
330
RG30
33
µ
H
DX20
RG30
RG30
DX20
DX20
*1 C131,132
MAIN
BOARD(3/5)
(Page 27)
MAIN
BOARD(4/5)
MAIN
BOARD(5/5)
(Page 28)
(Page 29)
MAIN
BOARD(1/5)
(Page 25)
4
6
27
27
HCD-DX20/RG30
6-8. SCHEMATIC DIAGRAM – MAIN SECTION (3/5) –
R301
R302
R303
R304
R307
R308
R309
R363
R364
R365
R366
R367
R368
R369
R393
R394
R324
R341
R342
R331
R332
R333
R334
R335
R336
R337
R338
Q301
Q302
R325
R326
R328
R329
R305
R306
R327
C301
C302
C303
C304
C312
C313
C315
C356
C300
C317
C318
C319
C307
C308
C309
C310
C311
C333
C334
C337
R313
R314
R315
R316
C338
C339
C340
C344
R317
R318
C342
C343
R320
C345
C346
C347
C348
R323
C349
C350
C321
Q363
Q364
C364
C363
C360
C322
R339
R340
C325
C326
C361
R361
R362
C362
C320
C327
C328
JK301
R322
R321
D302
D303
D361
C351
C352
D301
C314
Q365
Q362
Q361
R370
10k
10k
27k
27k
15k
15k
1M
1k
1k
47k
10k
1k
100k
22k
56
56
10k
220
220
4.7k
4.7k
2.2k
2.2k
100k
100k
10k
10k
2SC3623A
2SC3623A
15k
10k
3.3k
3.3k
2.2k
2.2k
2.2k
4.7
50V
4.7
50V
50V
4.7
50V
50V
4.7
50V
0.1
0.047
4.7
50V
50V
4.7
50V
50V
0.1
0.22
0.22
0.22
4.7
50V
50V
4.7
50V
50V
4.7
50V
50V
4.7
50V
50V
10
50V
0.0022
0.0022
0.047
100k
100k
33k
33k
0.047
0.047
0.047
10
50V
100k
270k
0.1
0.1
150k
220
16V
16V
0.27
10
50V
10
50V
220
100
10V
10V
0.22
0.033
2SC3623A
2SC3623A
2.2
50V
47
50V
0.1
0.1
6.8k
6.8k
0.022
0.022
4.7
100V
BP
680
2W
680
2W
4.7
100V
BP
0.22
0.022
0.022
10k
10k
1SS355TE
1SS355TE
1SS355TE
UDZSTE-179.1B
4.7
50V
DTA124ES
DTA124ES
DTC114ES
X1
X2
36 37 38
48
41
52
21
20
51
50
49
49
43
18
8
12
13
14
27
28
11
9
53
5
6
7
80
81
82
A
B
C
E
D
*
*
*
F1L1
F1L2
F1R1
F1R2
F2L1
F2L2
F2R1
F2R2
F3L1
F3L2
F3R1
F3R2
F4L1
F4L2
F4R1
F4R2
F5L
F5R
VCC
CAP
FILTER
HPFL1
HPFL2
HPFL3
HPFR1
HPFR2
HPFR3
ALCC
ALCR
BASS1
BASS2
BASS3
OUT R
OUT L
C
B
A
SCK
SI
SETPC
MD R
TAPE R
TUNER R
CD R
MD L
TAPE L
TUNER L
CD L
BP NF
BP OUT
INLE
GAME
GAME
GAME
INRE
PS1
PS2
DPLR2
DPLR1
DPLL2
DPLL1
REC R
REC L
VFC1
GND
VFC2
MIC
IC301
BH3878KS2
R
L
RG30
DX20
DX20
*C351,352
0.001
470P
(AUDIO)
MD/VIDEO
MUTE
MUTE
DX20
MUTE
CONTROL
MUTE
CONTROL
Q361,362
MUTE
Q363,364
RG30
DX20
*R370
4.7k
1.5k
INPUT SELECT,
TONE/VOLUME CONTROL
MAIN
BOARD(5/5)
(Page 29)
(1/5)
MAIN
BOARD(Page 25)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(4/5)
MAIN
BOARD(4/5)
(Page 28)
(Page 28)
MAIN
BOARD(5/5)
(Page 29)
(Page 29)
MAIN BOARD(2/5)
MAIN BOARD(4/5) (Page 28)
(Page 26)
Click on the first or last page to see other HCD-RG30 / MHC-DX20 / MHC-RG30 service manuals if exist.