Sony MHC-RG270 / MHC-RG475S / MHC-RG575S Service Manual ▷ View online
HCD-RG270/RG475/RG575
33
33
HCD-RG270/RG475/RG575
6-11. DIAGRAMA ESQUEMATICO – Placa PRINCIPAL (2/3) –
R15
8
R203
R204
R205
R206
R234
R239
C191
C16
2
C15
3
C
152
CN065
CN203
CN061
R103
R148
R147 C147
C148
C140
C139
R150
R149
R068
C208
C207
CN201
C210
C163
C130
C129
C119
R235
R240
Q208
C205
C211
C222
Q232
R233
R212
C223
C225
C180
C174
C173
C179
C198
C192
C182
C183
C181
C184
R175
R176
R177
R178
C202
R184
R182
R192
R190
C194
R186
R188
C200
R180
C201
C197
R191
R189
C193
R183
R179
R185
R187
C199
C104
C102
C103
C101
C171
C172
R181
C158
C161
R156
C155
C160
R157
R159
R160
R154
C151
R153
R152
R15
1
C144
C146
R142
C142
R144
C141
R131
R132
R141
R143
R145
C143
C136
C137
C131
C128
C127
C125
C123
C124
C126
R121
R122
R120
R119
C145
R128
D121
R247
R248
C106
C105
C110
C
109
C121
C122
R117
R107
C116
R116
C118
R108
D122
R110
R111
R113
C120
R070
C064
C063
C149
R146
R140
R138
R134
R133
IC101
C212
Q112
R112
C111
C117
R137
R139
R129
C133
C132
R170
R161
R162
C175
R169
R167
R165
R163
C177
R173
R168
R171
R174
C176
R164 R166
C178
R172
R069
CN066
R244
C209
C1
87
C188
C189
C190
R106
C113
C114
C156
R136
R135
Q141
JW164
R104
HP1
HRPE1
EP061
L201
R236
R130
C229
R114
Q111
R109
Q142
Q210
Q209
Q203
R238
Q206
Q207
Q205
R237
R232
Q231
C214
R208
R207
C213
C206
C224
Q201
1
00
47k
47k
10k
10k
10k
1k
0.01
1
00p
0.047
0.022
5P
8P
5P
1k
100k
100k 470p
470p
0.1
0.1
47k
47k
10
1000p
1000p
3P
1000p
22
5
0V
10 50V
10 50V
2.2
50V
50V
2.2k
1k
2SC3052
1000p
0.01
47
16V
KTA1271Y-AT
10k
10
0.01
0.0047
10
50V
2200p
2200p
10
50V
220p
0.01
1 50V
1 50V
1 50V
1 50V
1k
1k
1k
1k
2.2
50V
50V
220k
100k
4.7k
2.2k
220p
47k
100k
10
50V
470k
2.2
50V
50V
220p
4.7k
2.2k
220p
220k
470k
47k
100k
10
50V
1000p
1
50V
1000p
1
50V
0.1
50V
0.1
50V
100k
0.22
1
00p
1
00
47
16V
100
16V
16V
1
00
1
M
10
10k
0.1
22k
10k
10k
0.1
0.1
220k
47p
47k
47p
220k
220k
220k
47k
47k
0.1
10
50V
10
50V
0.1 50V
0.1
0.1
0.01
0.01
0.01
0.01
4.7k
4.7k
4.7k
4.7k
0.1
10k
MC2840
2.2k
2.2k
1
50V
1
50V
1
50V
1
50V
2200p
2200p
10k
1k
1
50V
100
2.2
50V
50V
22k
MC2840
47k
100k
4.7k
0.47
10k
1000p
0.1
47
16V
1M
22k
47k
2.2k
2.2k
BD3401KS2
0.0047
2SC3052
470
22
50V
1000p
47k
22k
100k
0.47
50V
0.47
50V
100k
2.2k
2.2k
0.01
100k
220k
4.7k
10k
220p
2.2k
220k
470
2.2k
0.01
10k
4.7k
220p
470
22k
4P
22k
1000p
4
70p
4
70p
4
70p
4
70p
1k
1
50V
1
50V
100
16V
16V
1k
1k
2SC3052
1k
BIAS OSC
10k
0
4.7
50V
50V
2.2k
2SC3052
4.7k
2SC3052
2SC3052
2SC3052
2SA1235
2.2k
2SC3052
2SC3052
2SC3052
2.2k
10k
RT1N431C
-TP-1
0.0047
4.7k
22k
0.01
1000p
0.0047
2SC2001
A1
A2
A3
A4
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
M-CL
M-DA
O-BI
O-RP
I-HP/AUDIO
TUR
TUL
CDL
CDR
I-MIC
TA-AMS
PBNF2
PBNF1
TAPE A1
TAPE A2
TAPE B1
TAPE B2
REC OUT1
REC OUT2
RECNF2
RECNF1
ALC
SC
SI
VDD
GND
VCC
1/2VCC
FILTER
SW OUT
LF4
LF3
LF2
LF1
BBIN2
BBNF2
VOL
BBNF1
BBIN1
VIN1
TONE OUT1
VOL
VIN2
TONE OUT2
AMS OUT
BNF2
BOUT2
BOUT1
BNF1
MNF1
MOUT2
MOUT1
MNF2
TNF2
TNF1
SUR1
SUR2
PB OUT2
PB OUT1
SAOUT2
SAOUT1
CAP
MIC
CD L
CD R
TUNER R
TUNER L
TAPE R
TAPE L
MD L
MD R
GAME L
GAME R
L
R
R
L
HP CTL
D GND
R-OUT
HP-GND
L-OUT
OUT1
OUT2
MIC SIG
MIC GND
MIC 9V
MIC CTL
LINE OUT2 (R)
LINE OUT1 (L)
GND
GND
AUDIO IN-R
AUDIO IN-L
AUDIO CTL
(2/3)
(AEP,UK,EE,RU)
(RG475/RG575)
(PB)
(REC/PB/ERASE)
(CHASSIS)
Q111,112
BAND-PASS FILTER
Q141,142
FEED BACK SWITCH
ELECTRICAL VOLUME
INPUT SELECT,TONE CONTROL,
Q205-208
REC MUTING
Q231,232
REC BIAS SWITCH
PB MUTING
PB MUTING
(DECK-A)
(DECK-B)
INVERTER
BIAS OSC
(Page 33)
(Page 41)
(Page 41)
(Page 41)
(Page 35)
(Page 33)
X
X
X
HCD-RG270/RG475/RG575
34
34
HCD-RG270/RG475/RG575
D004
D007
D008
D014
D024
IC006
IC011
R268
C272
R006
Q002
C015
C025
IC021
D006
C007
C016
R001
D022
D012
C011
C005
D002
R060
D031
C026
C027
C028
R032
R037
CN031
CN001
R036
R035
R043
R042
Q042
R045
R046
C043
C041
C042
R254
R252
Q251
C255
C256
C263
C264
R262
R261
IC251
R251
C266
C265
C259
R283
R276
R277
R278
R279
R274
C273
C271
R275
CN041
CN271
R265
D302
CN391
D301
C317
R322
R323
R314
R315
R316
R317
R318
R319
R320
R321
R331
R332
R333
R334
R337
R338
R339
R340
R330
D303
C311
C302
C301
R303
R301
R304
R302
C391
R384
R383
R382
R381
R052
D001
C001
D003
D013
D011
D023
D021
R263
R264
R280
C013
C023
R257
R034
R033
R267
C002
C012
C305
JW040
CN381
C384
CN331
JW033
47
JW031
CN301
R259
R253
C253
C257
C254
C258
R258
C260
R250
D041
R002
R005
R064
R063
R059
Q271
C274
JW184
JW022
JW021
C045
JW190
R047
R050
R049
D035
R048
M001
EP031
JW069
R044
C031
C032
C275
Q274
Q261
Q043
Q041
Q252
Q045
Q044
R007
C044
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
TA78033LS
TA7809S
4.7k
0.1
4.7k
2SC3052
100
16V
16V
100
16V
16V
TA7809S
1SS355TE
-17
22
50V
1000p
22
10EDB40
10EDB40
0.1
2200
16V
10EDB40
1SS355TE-17
0.01
0.01
0.01
1k
4.7k
13P
11P
4.7k
4.7k
2.2k
10k
KTA1271Y-AT
1k
1k
0.1
47
16V
4.7
50V
50V
2SC3052
22p
22p
47
16V
1000p
10k
10k
BA4558F-E2
4.7
50V
50V
4.7
50V
50V
10 50V
10k
100k
4.7k
10k
2.2k
4.7k
0.22
0.22
47k
3P
3P
100
10EDB40
13P
10EDB40
1000
10V
470
100
100
100
100
470
100
100
100
100
100
100
100
100
100
100
1k
1k
1k
UDZSTE-174.7B
0.1
10 50V
10
50V
10k
1k
10k
1k
0.1
100
100
100
100
470k
10EDB40
0.1
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
2.2k
2.2k
4.7k
2200
25V
2200
25V
22k
22k
47k
0.1
0.1
1000p
100p
13P
47k
10k
47p
47
16V
47p
47
16V
47k
10 50V
10k
UDZSTE-1713B
0
4.7k
100
100
2SC3052
10
50V
0.1
4.7k
47k
2.2
MC2838
47k
0
1000p
1000p
470p
RT1N431C-TP-1
RT1P141C-TP-1
2SC2001
RT1N431C-TP-1
2SC3052
2SC3052
2SC2001
10k
1000p
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
PROTECT
FSP
P-RELAY
STK-M
SYS-M
ACP
O-SWR
C-LR
C-LF
C-TR
C-TF
C-E1
C-E2
C-E3
C-SE
C-OS
C-1
C-2
C-3
C-4
C-5
C-6
C-7
C-8
C-9
C-10
C-11
C-12
C-13
C-14
C-15
G-1
G-2
G-3
G-4
G-5
G-6
TU-R
TU-L
VFL-
VF1
VF2
T-CL
T-MU
R-C
CDR
CDL
R-D
T-ST
T-SD
T-CE
T-DO
T-DI
1k 2w
∗
∗
∗
*
∗
1k 2W
SCOR
WFCK
SBSO
EXCK
MUTE-DATA
CDG-RST
CDG-DET
CDG-POWER
VM-MUTE
GND
CDG-BGC
GND
VCC
TUNED
TUNER-L
GND
TUNER-R
TU-MUTE
RDS DATA
+3.3V
+9V
STEREO
N.C
LC72121 CLK
LC72121 DO
LC72121 DI
LC72121 CE
RDS CLK
FAN+
FAN-
FAN+
LM-R
LM-F
TM-R
TM-F
TBL ADDRESS SENS
D+3.3V
M+9V
OPEN SW
SP-GND
A-GND
R-OUT
L-OUT
AC3
AC4
AC3
AC4
SP L-OUT
SP R-OUT
-VFL
VF1
VF2
SW OUT
GND
SW ON/OFF
PROTECT
STK MUTE
GND
N.C
E-3
E-2
E-1
NC
M-GND
M-GND
(3/3)
15P(EXCEPT AEP,UK,EE)
11P(AEP,UK,EE)
(AEP,UK,EE)
(AEP,UK,EE,RU)
(MX)
EXCK
SBSO
DGND
D-GND
L-CH
A-GND
R-CH
XTCN
XRST
CD-DATA
XLT
CD-CLK
CD-SENS
SCOR
MP3-GND
MP3-CS
MP3-LP
MP3-DIO
MP3-CLK
MP3-REQ
MP3-ACK
WFCK
MP3-RST
MP3(3.3V)
MP3-STB
M-GND
M-GND
M+7V
*CN301
27P(EXCEPT MX)
(GX355/GX555)
GX355/GX555/
RG270:
AEP,UK,EE,RU/
RG575
GX355/GX555/RG270:
AEP,UK,EE,RU/RG575
GX355/GX555/RG270:E2,E3,E51,
EA,MX,AR,AUS/RG475/RG575
(RG270:AEP,UK,EE,RU)
∗R254,257
GX355/GX555/RG270:E2,E3,E51,EA,
MX,AR,AUS/RG475:E3,AUS,SP
RG475:AEP,UK,EE,RU/RG575
RG270:AEP,UK,EE,RU/
470
∗R251,252
(GX555/RG475/RG575)
(FAN)
(AEP,UK,EE,RU)
(CHASSIS)
(EXCEPT MX)
(MX)
10k
22k
1k 2W
STBY-RELAY
EVER +10V
D-GND
UNREG +16V
PWR GND
AM
ANTENNA
COAXIAL
FN 75
Ω
THE ASSEMBLED
BLOCK
SUPPLIED WITH
FM/AM
TUNER PACK
DVDD(3.3V)
AVDD(3.3V)
31P(MX)
RELAY B+
1k
SUB WOOFER ON/OFF
BUFFER
MUTING
CONTROL
MUTING
MUTING
FAN DETECT
FAN ON/OFF
Q041,042
RELAY
DRIVE
O
I
G
O
I
G
O
I
G
+3.3V REGULATOR
+9V REGULATOR
+9V REGULATOR
BUFFER
REGULATOR
B+ SWITCH
6-12. DIAGRAMA ESQUEMATICO – Placa PRINCIPAL (3/3) –
(Page 33)
(Page 43)
(Page 27)
(Page 29)
(Page 31)
(Page 34)
(Page 49)
(Page 37)
(Page 39)
HCD-RG270/RG475/RG575
35
35
HCD-RG270/RG475/RG575
6-13.PLACA DE CIRCUITO IMPRESSO – Placa POWER –
1
6
CN442
CN443
C460
C459
JW
422
D401
C406
R452
C405
TH441
C489
C490
JW449
JW416
JW445
JW
447
JW459
JW454
JW462
JW442
JW452
JW457
JW444
JW410
JW466
JW412
JW408
JW465
JW439
JW456
JW420
JW460
JW
455
JW464
L441
JW
419
JW403
R495
JW417
R496
JW461
JW463
JW458
C442
JW443
JW
450
JW438
JW406
JW440
C452
C454
C451
JW453
JW
421
JW448
JW415
JW414
JW
413
JW446
C447
C488
C441
L442
C448
RY441
C403
CN441
JW409
JW451
EP401
C486
JW
404
C481
JW418
JW411
JW407
C453
R449
JW
467
JW
423
JW
402
JW405
JW
424
JW441
JW401
R451
C404
C491
R484
C446
R448
R447
JR441
JR
442
R456
C411
R455
Q488
C445
R483
R480
Q489
C494
C493
D441
R445
R446
R423
R421
R424
C443
R443
R441
R425
R444
R402
R459
R462
R414
R416
C444
R442
D481
Q441
R411
R415
R457
R437
R460
R417
R412
R407
R418
R419
D443
R485
Q481
R465
R481
R466
R497
R461
R422
R454
R453
R413
R490
R440
R499
R498
R488
R487
R420
R482
R493
R492
R491
D483
R401
Q486
Q487
Q485
Q482
R486
Q483
Q442
Q484
R458
POWER BOARD
1-865-472-
11, 21
(11, 21)
E
E
E
E
E
E
E
E
E
E
E
+
+
–
–
L
R
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
JK441
(AEP, UK, EE, RU)
(CHASSIS)
J
MAIN
BOARD
CN031
1
13
3
1
M
TRANSFORMER
BOARD
CN905
L
SUB WOOFER
BOARD
CN502
(GX555/RG475/RG575)
(AEP, UK, EE, RU)
(AEP, UK, EE, RU)
JW
425
JW
433
(AEP, UK, EE, RU)
A
K
K
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
IC441
(Page 32)
(Page 48)
(Page 38)
: Utilizada solda sem chumbo
• Localização
Semicondutor
Ref. No. Location
D401
E-3
D441
C-6
D443
B-2
D481
C-5
D483
B-8
IC441
B-6
Q441
C-5
Q442
C-6
Q481
D-8
Q482
D-8
Q483
D-8
Q484
D-8
Q485
C-8
Q486
C-8
Q487
C-8
Q488
C-8
Q489
B-8
HCD-RG270/RG475/RG575
36
36
HCD-RG270/RG475/RG575
6-14. DIAGRAMA ESQUEMATICO – Placa POWER –
(Somente para RG270 e RG475)
C403
D483
R491
R481
CN442
C441
R441
R443
R444
R445
C448
R446
R458
R459
Q441
R460
R425
R424
R423
R422
C452
C454
R421
R454
D481
R497
R466
R465
R499
R487
R498
R490
R482
C486
R417
R407
R418
R419
R402
R401
R437
C404
R411
R412
R413
R461
R416
R415
R414
R462
R486
C481
R420
R453
C453
C451
D441
R457
R492
R496
R442
C442
JW402
CN441
C443
R449
C447
C488
R493
D401
RY441
D443
JW441
C405
C406
R484
R480
R483
TH441
R452
R456
R455
R451
JW422
R447
JW401
C490
R448
C489
IC441(2/2)
IC441(1/2)
C446
JR442
Q489
JR441
C445
C444
CN443
EP401
R495
C411
JK441
R488
Q488
Q487
R440
Q442
Q482
Q481
R485
Q483
Q484
Q485
Q486
L442
L441
0.1
100V
1SS355
TE-17
47k
4.7k
3P
10
50V
2.2k
47k
47k
1k
22
35V
1k
22k
47k
2SC5625
47k
10
10
10
10
0.1
0.1
10
10
1SS355
TE-17
100k
100k
47k
1k
47k
1k
4.7k
10k
2.2
50V
50V
100
100
220
100
100k
100k
10k
0.1
100V
10
10
10
10
10
10
10
10
100k
100
10V
10V
10
10
0.1
0.1
MC2836
22k
1k
100
2.2k
10
50V
13P
0.001
47 1/2W
22
35V
22
35V
47k
D10XB20
1SS355TE-17
2200
63V
2200
63V
100k
100k
22
0.22
5W
1k
1k
0.22
5W
47k
100
63V
63V
47k
47
63V
STK403-130
STK403-130
100p
0
2SC5625
0
100p
0.001
6P
1
22k
2SC3052EF
22k
2SC5625
2SC3052
EF
2SC3052
EF
100k
2SC3052
EF
2SC3052
EF
2SA1235EF
2SC3052EF
0.01
∗
+Vcc
-Vcc
GND
RELAY+
RELAY-
NC
SP(L)
SP(R)
SP GND
SP-GND
AMP-A-GND
RELAY B+
PWR GND
STK MUTE
PROTECT
GND
NC
NC
SP GND
(L)
(R)
∗Q488
2SC2411
(RG270)
OVERLOAD/DC DETECT
(RG475/RG575)
(CHASSIS)
(RG475/RG575)
2SC3052EF
SP L-OUT
SP R-OUT
R-OUT
L-OUT
UNREG +16V
GND
AC1
AC1
IMPEDANCE
USE 6-16
Ω
SPEAKER
9
14
15
8
1
3
2
6
7
10
4
STANDBY
SWITCH
POWER AMP
Q441,442
OVER LOAD
DETECT
RELAY DRIVE
RELAY SWITCH
PROTECT
DETECT
PROTECTOR
Q481,482
DC DETECT
Q483,484
TEMPERATURE DETECT
(Page 39)
(Page 49)
(Page 35)
Click on the first or last page to see other MHC-RG270 / MHC-RG475S / MHC-RG575S service manuals if exist.