Sony HCD-GX355 / HCD-GX555 / HCD-RG270 / HCD-RG475 / HCD-RG575 / MHC-GX355 / MHC-GX555 / MHC-RG270 / MHC-RG475S / MHC-RG575S Service Manual ▷ View online
HCD-GX355/GX555/RG270/RG475/RG575
25
25
HCD-GX355/GX555/RG270/RG475/RG575
•
Note For Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• 2
: nonflammable resistor.
• 5
: fusible resistor.
• C
: panel designation.
• A
: B+ Line.
• B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– CD/BD Section –
no mark :CD PLAY
– CD-G Section –
no mark : CD-G PLAY
– Other Sections –
no mark : FM
(
under no-signal conditions.
– CD/BD Section –
no mark :CD PLAY
– CD-G Section –
no mark : CD-G PLAY
– Other Sections –
no mark : FM
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
[
] : TAPE REC
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: REC
J
: CD PLAY
f
: AUX IN
N
: MIC
L
: VIDEO
•
Abbreviation
AR
AR
: Argentine model
AUS
: Australian model
CND : Canadian model
E2
E2
: 120 V AC Area in E model
E3
: 240 V AC Area in E model
E51
: Chilean and Peruvian models
EA
: Saudi Arabia model
EE
: East European model
MX
: Mexican model
RU
: Russian model
SP
: Singapore model
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
•
Circuit Boards Location
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
BD board (MX)/
CD board (EXCEPT MX)
CD board (EXCEPT MX)
CD-G board (MX)
SW board
MOTOR (LD) board
SENSOR board
DRIVER board
MOTOR (TB) board
MIC board
(E2, E51, MX)
(E2, E51, MX)
VIDEO OUT board (MX)
SUB TRANS board
AC1 board
TRANSFORMER board
PANEL board
VOL board
AUDIO IN board
HEADPHONE board
MAIN board
POWER board
SUB WOOFER board
(GX555/RG475/RG575)
(GX555/RG475/RG575)
MAIN board
Ver. 1.1
HCD-GX355/GX555/RG270/RG475/RG575
26
26
HCD-GX355/GX555/RG270/RG475/RG575
6-5. PRINTED WIRING BOARD – CD Board – (Except MX model)
M101
(SPINDLE)
S101
R419
R
412
R411
R
410
R409
R
408
R407
R
406
R404
R403
R402
R401
R305
R303
R301
R252
R
251
R
182
R
181
R163
R151
R
143
R142
R
141
R133
R132
R
131
R114
R113
R112
R111
R
307
C313
C311
C310
C309
C307
C306
C252
C251
C194
C181
C320
C163
C162
C143
C142
C141
C
133
C
132
C131
C124
C111
C122
C115
C114
C
113
C112
C185
C
186
R306
CN101
CN202
CN201
C317
R203
R161
C161
C211
C212
R204
C
213
1-860-502-
13
(13)
(CONDUCTOR SIDE)
CD BOARD
M
M102
(SLED)
M
1
3
5
4
1
16
48
33
49
64
32
17
OPTICAL
PICK-UP BLOCK
(KSM-215DCP)
(LIMIT)
IC303
IC251
C10
C260
C14
C15
C16
C13
C18
C11
R405
C316
R354
R353
R352
R351
R302
R253
C315
R191
R172
R
171
R162
R313
R121
R
12
R
11
R10
Q10
C116
C312
C184
C183
C303
C302
C305
C259
C258
C257
C255
C203
C196
C195
C201
C182
C
171
C172
C12
C308
C151
C134
C125
C314
C123
R165
R13
C17
FB301
C318
R201
C174
R205
C209
C210
X171
R173
(COMPONENT SIDE)
CD BOARD
1-860-502-
13
(13)
E
TP (RFACO)
TP (FE)
TP (VC)
A
B
C
D
E
1
2
3
4
5
6
7
8
9
MAIN BOARD
CN301
A1
IC501
R501
C501
IC101
IC301
(Page 32)
: Uses unleaded solder.
•
See page 25 for Circuit Boards Location.
Ver. 1.1
HCD-GX355/GX555/RG270/RG475/RG575
27
27
HCD-GX355/GX555/RG270/RG475/RG575
6-6. SCHEMATIC DIAGRAM – CD Board – (Except MX model)
•
See page 50 for Waveforms.
•
See page 50 for IC Block Diagrams.
R406
R407
R408
R409
R411
R412
R410
C151
R203
C141
R143
R142
R141
C133
R133
R132
R131
C134
TP125
C125
R121
C15
C122
C123
C132
C142
R151
C111
C113
C112
C114
R111
TP429
TP428
TP430
TP431
C115
C195
TP432
IC101
C163
R163
C196
R162
C210
C194
R253
TP418
JPO004
C251
R252
R251
C16
R12
JPO10
R11
C17
C18
R10
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
C182
C201
C181
C258
C257
C252
C255
C260
R181
R182
C183
C184
C203
C162
C161
R161
R352
TP427
TP103
TP104
TP105
C209
TP436
TP420
TP421
C186
C185
R191
TP251
TP252
TP253
TP250
C306
R405
R404
R419
R403
R402
R401
R302
C317
R305
R301
C316
C315
R313
C307
C302
C303
C305
TP422
C312
C313
C314
C311
C309
C308
R303
C310
R353
R354
C11
C10
C14
C116
C318
R307
R351
TP433
TP187
TP401
TP409
TP411
TP410
TP434
TP419
TP412
TP413
TP414
TP415
TP416
TP417
TP408
TP407
TP406
TP405
TP404
TP403
TP402
TP186
R205
C320
C213
C212
C211
TP435
CN101
TP423
IC301
R173
Q10
C143
C171
R171
R172
R165
TP425
TP426
S101
C259
IC251
M102
M101
R201
R204
CN201
FB301
IC303
TP102
R306
R113
JPO103
R13
TP424
R112
R114
C124
C172
C131
C174
X171
TP
TP
TP
R501
C501
IC501
100
100
100
100
100
100
100
100
10V
10V
0
0.1
3.3k
1k
4.7k
0.01
180k
10k
1M
0.1
RFACI
0.1
15k
0.1
0.1
0.1
0.47
1500p
0
3300p
3300p
470p
470p
1k
FFDR
FRDR
TRDR
TFDR
0.1
0.1
MDP
CXD3059AR
0.1
100
0.1
47k
0.1
0.1
10k
GAIN_SW
MDP
6800p
22k
10k
1
100k
APC
0
220
4V
1000p
3.3
E
D
A
B
C
PD
F+
F-
T -
F-
0.1
100
10V
10V
0.1
0.1
0.1
0.1
0.1
220
10V
10V
100
100
22
6.3V
22
6.3V
100
10V
10V
0.1
0.1
100
100
PCMDI
LRCK
PCMD
BCK
0.01
AVDD
AGND
DGND
470p
470p
0
SP+
SL+
SL-
SP-
0.1
100
100
100
100
100
100
10k
0.01
100k
100k
0.0022
0.1
220
0.1
0.1
0.1
220
4V
MP3GND
0.1
0.1
47
4V
4V
0.1
0.1
47
4V
4V
100k
0.1
100
100
10
10
0.1
100
10V
10V
0.01
10k
100
MP3VDD
MGND
MP3STB
DOUT
LOUT
ROUT
AVDD
XTCN
XRST
DATA
XLT
CLK
SENS
SCOR
MP3RST
MICS
MILP
MIDIO
MICK
MIACK
MP3REQ
MVDD
0
0
22p
22p
220p
DVDD
16P
IOP1
TC94A34FG-002
0
2SB1690K
0.1
22p
470
1M
0
SW+
SW-
0.1
BA5947FM
27P
BH15FB1WG
F
0
1k
TEI
1
IOP2
15k
15k
330p
27p
100p
0.1
16.9344MHz
(FE)
(VC)
(RFACO)
100
0.1
E
F
F
E
D
A
B
C
MIACK
MICK
MIDIO
MILP
MICS
S
C
O
R
S
E
N
S
C
L
O
C
K
D
A
T
A
X
R
S
T
XLT
CLOCK
SENS
SCOR
XRST
MP3REQ
DATA
MP3STB
XTACN
X
TA
C
N
MP3STB
D
C
B
A
MP3RST
X
L
T
MP3REQ
MIACK
MICK
MIDIO
MILP
MICS
MP3RST
MDP
SFDR
S
FD
R
SRDR
S
R
D
R
FRDR
FR
D
R
FFDR
FF
D
R
TFDR
T
F
D
R
TRDR
T
R
D
R
F+
F+
T+
T
+
T-
T-
F-
F-
MDP
DOUT
DOUT
AOUT1
AOUT2
AOUT1
AOUT2
VC
VCC
PD
LD
T-
F-
T+
F+
VR
AGND
F
C
B
A
E
D
O
PIN-
OPIN+
SW
CH1FIN
CH
1RIN
CH2FIN
CH2RIN
GND
CNF4
POW
VCC
CH
2OUTR
CH2OU
TF
CH1OUTR
CH4OUTR
CH4OUTF
CH3OUTF
CH3OUTR
POW
VCC
MUTE
GND
CH3RIN
CH3FIN
CH4IN
CH4CAPA
OUTVREF
OPOUT
PREVCC
MIRR
NC
DFCT
FOK
VSS
LOCK
MDP
SSTP
IOVSS1
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
IOVDD1
AVDD0
AVSS0
NC
E
F
TEI
TEO
FEI
FEO
VC
A
B
C
D
NC
AVDD4
RFDCO
PDSENS
AC_SUM
EG
_IN
LD
PD
RFC
AVSS4
RFACO
RFACI
AVDD3
BIAS
ASYI
ASYO
NC
VPCO
VCTL
AVSS3
CLTV
FILO
FILI
PCO
AVDD5
DDVROUT
DD
VRSEN
AVSS5
DDCR
NC
BCKI
LRCKI
LRCK
VSS
PCMD
BCK
VDD
EMPH
EMPHI
IOVDD2
DOUT
TEST
TEST1
IOVSS2
NC
XVSS
XTAO
XTAI
XVDD
AVDD1
AOUT1
VREFL
AVSS1
AVSS2
VREFR
AOUT2
AVDD2
NC
IOVDD0
RMUT
LMUT
NC
XTSL
IOVSS0
XTACN
SQSO
SQCK
SBSO
EXCK
XRST
SYSM
DATA
VSS
XLAT
CLOCK
VDD
SENS
SCLK
ATSK
W
FCK
XUGF
XPCK
GFS
C2PO
SCOR
VDD
C4M
W
DCK
COUT
PCMDI
VIN
GND
STBY
NC
VOUT
DOUT
MP3(3.3V)
DVDD(3.3V)
AVDD(3.3V)
XTCN
SCOR
XLT
XRST
M+7V
SBSY/BCKIB
SFSY/LRCKIB
TXO
VDD
CKI/CLOCK/
IRQ/FIO
VSS
PIO0/SDI2/IO0
PIO1/SDI3/IO1
PIO2/IO2
PIO3/IO3
PIO4/FI1/BUS0/IO4
PIO5/FI2/BUS1/IO5
PIO6/FI3/BUS2/IO7
PIO7/BUS3/IO7
AD4/PO04
AD3/PO03
AD2/PO02
AD1/PO01
AD0/PO00
VSS
VDD
CKO/PO13/AD16
VDDX
XO
XI
VSSX
TEST
MIMD
VSSP
VCOI
VDDP
RESET
STANBY
MICS
MILP
MIDIO
MICK
MIACK
VDDT
VSS
BCKO
LRCKO
SDO0
SDI0
BCKIA
LRCKIA
DATA
SDI1/
SDO2
CS/RAS/
AD15/CAS/
PO12
SDO3/OE
PO11/BUCK/AD14
PO10/CCE/AD13
PO9/AD12
PO08/AD11
SRMSTB
VDDT
AD10
AD9
AD8
PO07/AD7
PO06/AD6
AD5/
PO05
VDDM
WE/SDO1
AUTOMATIC
CD DSP
(LIMIT)
MOTOR/COIL
(SPINDLE)
(SLED)
+1.5V REGULATOR
MP3 DECODER
CONTROL
POWER
DRIVE
CH1OUTF
M-GND
M-GND
MP3-STB
MP3-REQ
MP3-ACK
MP3-DIO
MP3-LP
MP3-CS
MP3-CLK
MP3-RST
MP3-GND
CD-SENS
CD-CLK
CD-DATA
R-CH
A-GND
L-CH
D-GND
GND
VCC
SWITCHING
TC7S08FU
(Page 35)
Ver. 1.1
HCD-GX355/GX555/RG270/RG475/RG575
28
28
HCD-GX355/GX555/RG270/RG475/RG575
6-7. PRINTED WIRING BOARD – BD Board – (MX model only)
M101
(SPINDLE)
S101
R412
R422
R406
R251
R252
R182
R181
R423
R151
R
143
R142
R
141
R133
R
132
R
131
R
114
R
113
R112
R111
CN101
C252
C251
C194
C181
C162
C143
C142
C141
C133
C132
C
131
C
124
C111
C122
C115
C114
C113
C112
C185
C186
R204
R203
C161
R161
C211
C317
R306
C212
C163
C320
C213
R
421
C306
C307
C309
C310
C311
C313
R307
R163
R301
R303
R305
R351
R352
R353
R354
R401
R402
R403
R404
R405
R407
R408
R409
R410
R419
CN201
R411
11
(11)
BD BOARD
(CONDUCTOR SIDE)
M
M102
(SLED)
M
IC303
1
3
5
4
1
16
48
33
49
64
32
17
IC251
MAIN BOARD
CN301
A2
OPTICAL
PICK-UP BLOCK
(KSM-215DCP)
C10
C260
C14
C15
C16
C18
C11
R253
R191
R172
R
171
R162
C209
X171
R121
R
12
R
11
R10
Q10
C116
C184
C183
C303
C302
C305
C259
C258
C257
C255
C203
C196
C195
C201
C182
C
171
C172
C210
C151
C134
C125
C123
R165
R13
C17
FB301
R201
R173
R205
C174
C318
C314
C308
C312
R313
C315
R302
C316
1-864-566-
11
(11)
BD BOARD
(COMPONENT SIDE)
E
(LIMIT)
1-864-566-
TP (RFACO)
TP (FE)
TP (VC)
A
B
C
D
E
1
2
3
4
5
6
7
8
9
IC301
IC101
(Page 32)
: Uses unleaded solder.
•
See page 25 for Circuit Boards Location.
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