DOWNLOAD Sony HCD-RG30 / MHC-DX20 / MHC-RG30 Service Manual ↓ Size: 5.81 MB | Pages: 59 in PDF or view online for FREE

Model
HCD-RG30 MHC-DX20 MHC-RG30
Pages
59
Size
5.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-rg30-mhc-dx20-mhc-rg30.pdf
Date
PREV: Sony MHC-DX20 / MHC-RG30 Service Manual

Sony HCD-RG30 / MHC-DX20 / MHC-RG30 Service Manual ▷ View online

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
4.7
50V
1
50V
1
50V
100
16V
100
16V
220
100
10V
100
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
RG30
DX20
RG30
DX20
*C219
3.3
2.2
RG30
DX20
3.3
*C222
4.7
RG30
DX20
3.3
4.7
*C225
RG30
DX20
3.3
*C231
0.47
RG30
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
*2 R133,134
270
470
RG30
DX20
0.022
0.015
FM TUNED LEVEL
RG30
DX20
100P
470P
*C142
RG30
DX20
*C139
680P
220P
RG30
DX20
+B
SWITCH
RF IF AMP
RG30
DX20
*R106
680
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
4.7
50V
4.7
50V
0.1
0.047
4.7
50V
4.7
50V
0.1
0.22
0.22
0.22
4.7
50V
4.7
50V
4.7
50V
4.7
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
0.27
10
50V
10
50V
220
100
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
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
INRE
PS1
PS2
DPLR2
DPLR1
DPLL2
DPLL1
REC R
REC L
VFC1
GND
VFC2
MIC
IC301
BH3878KS2
R
L
RG30
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)
MAIN BOARD(2/5)
MAIN BOARD(4/5) (Page 28)
(Page 26)
28
28
HCD-DX20/RG30
6-9. SCHEMATIC DIAGRAM   – MAIN SECTION (4/5) –
      •  See page 19 for Waveforms.  •  See page 37 for IC Pin Function Description.
R601
R602
JR10
R603
R604
R605
R606
JR8
D691
C692
R676
R677
R678
R679
R671
R672
R673
R674
R675
Q661
CN1
R607
R608
R610
R612
R613
R614
R615
R616
R618
R619
R620
R621
R622
R623
R624
JR15
JR1
C607
C608
R644
X601
X602
R645
R649
R650
JR11
JR16
R655
R665
R661
R663
R664
C665
R632
R634
R635
R633
R636
R637
R643
C601
C602
FB5
C664
C603
C604
C605
C606
R656
R626
R627
R628
R629
R630
R631
R658
R657
C611
C610
FB4
R625
C644
FB6
RV661
CN2
D692
D693
R617
C614
TP71
R647
JR14
R648
R646
C656
C663
C662
R662
C681
JR4
C666
C613
C612
C661
D601
D602
D669
D670
D665
D661
D662
D664
D667
D668
D663
D666
R640
R641
R638
R670
C657
C658
C659
C660
R660
R659
R680
CN701
R611
R609
Q601
Q603
Q605
Q602
Q604
Q606
1k
680
0
1k
680
1k
680
0
11ES2
470
16V
47k
47k
47k
47k
47k
47k
47k
47k
47k
2SC2785
10P
100
100
100
100
10k
100
100
100
10k
100
220
220
100
100
100
0
0
18p
15p
330k
32.768kHz
16MHz
10k
10k
10k
0
0
0
10k
4.7k
47k
47k
1000
6.3V
10k
10k
100
100
100
100
1k
0.1
10
50V
0
0.01
220p
220p
220p
220p
100
100
100
100
100
100
100
100
10k
0.01
10
50V
0
10k
0.1
0
2.2k
17P
11ES2
11ES2
100
0.1
0
0
0
10k
0.1
0.1
0.1
1k
0.1
0
0.1
0.001
0.001
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
0
3.3k
0.1
0.1
0.1
0.1
100
10k
10k
30P
10k
10k
DTC114ES
DTC114ES
DTC114ES
2SB1116A
2SB1116A
2SB1068
6
54
52
43
40
39
49
50
35
34
51
24
25
17
26
29
30
46
47
7
53
X3
22
23
44
4
5
1 3
2
13
5
7
1
2
3
4
1
2
3
4
97
100
E
D
C
41
A
B
F
G
H
66
67
68
69
70
71
89
90
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
32
33
34
35
37
40
42
43
44
45
46
47
48
49
6
0
6
1
6
5
6
6
6
7
6
8
6
9
7
0
7
1
7
3
7
4
8
0
8
1
8
2
J
I
K
95
91
83
84
85
8
6
60
61
65
44
45
46
47
48
49
19
83
84
85
86
88
91
89
90
73
74
1
0
0
38
4
1
88
6
95
I
J
K
97
*
*1
*2
1
5
10
15
20
25
30
SENS
HOLD
XLT
XRST
OPEN
CLOSE
SQ DAT
SQ CLK
CD DAT OUT
CANT USE
CD CLK
CD POWER
CLOCK OUT
M RESET
LOAD IN
LOAD OUT
UP/DOWN
T SENS
GAME/DVD
PROTECT
VACS
AVSS
POWER
AVCC
S IN
AV REF
VIDEO SW2
SPEC IN
MODE IN
SP/VACS
B SHUT
ASHUT
FRONT RELAY
REAR RELAY
STB RELAY
STK MUT
LINE MUT
SP LATC
SP LATB
V
D
D
V
S
S
A
M
S
B
IA
S
S
P
 L
A
T
A
R
E
C
 M
U
T
P
B
 M
U
T
T
C
 R
E
L
A
Y
P
B
 A
/B
P
O
W
E
R
 K
E
Y
D
IS
P
L
A
Y
 K
E
Y
B
 P
L
A
Y
A
 P
L
A
Y
B
 H
A
L
F
A
 H
A
L
F
B
 R
E
C
 R
E
W
B
 R
E
C
 K
E
Y
C
A
P
M
 C
O
N
T
S
O
FT
 T
E
S
T
B
 T
R
G
A
 T
R
G
S
U
R
3
S
U
R
2
S
U
R
1
4
9
4
 L
T
4
9
4 C
L
K
4
9
4
 D
A
T
R
E
A
R
 M
U
T
C
E
N
T
 M
U
T
N
O
 U
S
E
V
C
D
V
C
D
S
C
O
R
N
M
I
V
C
C
X
IN
V
S
S
X
O
U
T
R
E
S
E
T
C
N
X
S
S
B
Y
TE
NO USE
S
 O
U
T
S
 C
L
K
S
 B
S
Y
R
E
M
O
T
E
 IN
3
8
7
8
 D
A
T
3
8
7
8
 L
A
T
3
8
7
8
 C
L
K
X
C
 IN
X
C
 O
U
T
A
C
 O
U
T
R
D
S
 IN
T
R
D
S
 D
A
T
A
S
T
 M
U
T
E
S
T
E
R
E
O
(IN
)
T
U
N
E
D
S
T
 C
E
S
T
 D
O
U
T
S
T
 D
IN
S
T
 C
L
K
IC401
M30622MAA
IC661
M51943BSL
GND
VF
VP
VF
VF
GND
GAME L
GAME GND
GAME R
POWER ON
VIDEO SW
POWER KEY
DISPLAY KEY
M RESET
REMOTE IN
S BSY
S CLK
S OUT
S IN
NO USE
LED GND
MIC +12V
MIC SIG
MIC GND
HP R
HP GND
HP L
D GND
EVER +5V
+5V(SW)
MTR CTN2
M GND
MTR CTN1
M +7V
D +5V
OPEN SW
CLOSE SW
UP/DOWN SW
ADDRESS SW
D GND
G
N
D
N
C
C
A
P
M
+
N
C
N
C
A
 H
A
FE
A
 M
O
D
E
A
 P
H
O
TO
A
 S
O
L
B
 H
A
FE
B
 M
O
D
E
B
 P
H
O
T
O
B
 S
O
L
RESET
M
O
T
O
R
 H
M
O
T
O
R
 L
R
E
C
(F
W
D
)
R
E
C
(R
E
W
)
MT GND
MASTER
CONTROL
RG30
DX20
*C661
22/25V
22/50V
RESET
Q661
INV.
RG30
DX20
47k
10k
RG30
*1 R640
33k
47k
*2 R641
1.5k
22k
TAPE SPEED
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSSENBLED
BLOCK
(
(
D
X
2
0
D
X
2
0
Q601,602
A TRIG DRIVE
A TRIG DRIVE
Q603,604
Q605,606
CAP MOTOR DRIVE
DX20:EA
DX20:KR,SP,TH
AR,E2,E51,MX
DX20:
MAIN
BOARD(3/5)
MAIN
BOARD(2/5)
(Page 26)
(Page 27)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(3/5)
(Page 27)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(5/5)
(Page 29)
BOARD
CN701
DRIVER
(Page 36)
BOARD
PANEL
CN711
(Page 33)
MAIN
BOARD(3/5) (Page 27)
MAIN
BOARD(1/5)(Page 25)
Page of 59
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