Sony HCD-GX255 / HCD-RG170 / HCD-RG470 Service Manual ▷ View online
HCD-GX255/RG170/RG470
9
9
HCD-GX255/RG170/RG470
3-4. SCHEMATIC DIAGRAM – MAIN Board (1/3) –
•
See page 5 for Waveforms.
•
See page 15 for IC Pin Function Description.
(Page 10)
D923
D943
R904
R913
R
9
15
R920
R921
R922
R925
R927
R928
R
9
2
9
R938
R939
R950
R
9
5
2
R
9
5
4
R
9
7
9
R
9
8
0
R
9
9
2
R
9
9
3
R999
R998
R997
R996
CN991
CN341
R365
R363
R367
R361
R369
R359 R357
R355
R370
R366 R364
R368
R360 R358
R356
Q342
Q344
Q346
R341
R343
R344
R342
R345
R346
R354
R353
R352
R351
R350
R349
R348
R347
C
9
2
4
R958
R953
R
9
6
8
R
9
6
7
R
9
6
5
R
9
6
3
R
9
6
1
R
95
9
Q345
D341
R362
R245
R936
R924
R923
R981
R982
C928
C918
C923
C925
R
9
37
C919
C912
C927
C914
X902
R
9
3
5
C
91
0
R926
R957
R956
R955
R940
R910
R909
R908
R907
D
9
1
0
C908
C909
IC902
D902
C902
R912
D901
R903
R901
R941
R942
R943
C921
R947
R944
R949
R948
D947
R951
R945
D921
Q903
Q341
C922
C901
R977
R976
R973
R971
R
9
1
9
R914
C916
C970
C917
R902
R946
R1977
R1974
R1973
R1972
R1971
C911
R911
R
9
1
8
C904
Q902
R932
Q901
Q343
Q904
Q933
X901
R1975
IC901
R905
C906
R933
R
9
7
0
R931
MC2840
MC2838
1k
1k
1
0
0
100
1M
220k
100
100
100
1
0
0
10k
100
4.7k
10
0
10
0
1
0
0
1
0
0
1
k
1
k
100
100
100
100
19P
13P
10k
1k
22k
22k
22k
10k
1k
22k
22k
10k
1k
22k
10k
1k
22k
KTA1273
-Y-AT
KTA1271Y
-AT
KTA1271Y
-AT
10k
10k
1k
1k
10k
1k
4.7k
4.7k
4.7k
47k
4.7k
4.7k
47k
4.7k
0
.1
10k
10k
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
10
0
RT1N431C
-TP-1
MC2836
22k
10k
22k
100
100
100
100
1000p
1000p
0.1
0.1
1
0
0
k
0.1
220p
22p
22p
16MHz
1
0
k
0.1
100
100
100
100
10k
10k
22k
47k
47k
1S
S
35
5
T
E
-1
7
0.1
0.1
PST3429UL
MC2836
10
50V
1k
UDZSTE
-174.7B
10k
100k
2.2k
10k
4.7k
2.2
50V
50V
220k
220k
10k
2.2k
1SS355TE
-17
220
220
MC2840
KTA1271Y-AT
RT1N431C
-TP-1
4.7
50V
50V
100
16V
16V
10k
10k
10k
10k
0
100
1000
6.3V
6.3V
1000p
0.1
0
0
10k
10k
10k
10k
10k
1000p
100
2
2
0
k
0.1
2SC3052
2.2k
2SC3052
RT1N431C
-TP-1
2SC3052
RT1N431C
-TP-1
32.768KHz
10k
M30302MCP
-A05FPU0
10k
10
50V
10k
1
0
0
10k
A
1
A
2
B2
B3
B5
B6
B7
B4
A3
A4
VDI
VDO
VCE
VCL
V-B
V-A
KEY
RMC
V-2
V-1
VRE
T-MU
T-CE
T-DO
T-CL
C-OS
C-SE
C-TF
STK-M
SYS-M
VDO
STBY
I-HP/AUDIO
I-MIC
D1
D2
D3
D4
D5
D6
D7
D1
D2
D5
D3
D4
STBY
O-RP
O-BI
TA-AMS
V-1
V-2
KEY
M-DA
M-CL
VRE
VCE
V-A
RMC
V-B
ACP
PROTECT
PROTECT
KEY
C-E1
C-E2
C-E3
C-7
R-C
C-11
C-3
C-6
C-5
VCL
VDI
D7
D6
VF1
VF2
VFL-
P-RELAY
FSP
C-12
C-TR
C-LF
C-LR
C-4
C-10
C-14
C-15
C-13
C-9
C-8
C-1
R-D
T-ST
T-SD
T-DI
I-STREAM
I-VACS
I-TAPE-AMS
I-PROTECTOR
O-VFD-DATA
I-VFD-DATA
O-VFD-CLK
O-FRONT-SP-RELAY
O-XTCN
I-OPEN-SW
I-CD-NUMBER-SENS
I-E-3
I-E-2
I-E-1
O-TM-F
O-TM-R
O-LM-F
O-LM-R
D-GND
REC(REW)
B-SOL
B-MODE
B-HALF
B-PHOTO
REC(FWD)
CAPM+
A-HALF
A-PHOTO
A-SOL
A-MODE
M-GND
O-POW
ER-RELAY
I-SCOR
O-MOTOR
O-A-SOL
O-B-SOL
I-SIRCS-IN
I-RESET
I-MIC
O-SYS-M
UTE
I-AC-PULSE
I-AC-CUT
M-GND
O-VFD-RESET
O-S
TK-M
UTE
O-SW
R
I-TUNED
O-ST-MUTE
I-STEREO
I-RDS-DATA
O-LC72121-CE
O-LC72121-DO
O-LC72121-CLK
I-KEY0
VSS
VCC2
xWR
xHOLD
O-STBY-LED
I-VOL-A
I-VOL-B
NMI
VCC1
VSS
XCOUT(32.768KHZ)
XCIN(32.768KHZ)
CNVSS
BYTE
O-VFD-CE
NC
AVCC
VREF
XOUT(16M
HZ)
XIN(16MHZ)
I-POWER,DISPLAY
AVSS
O-BIAS
O-REC/PB
I-TAPE-B-STAT
I-TAPE-A-STAT
I-REAL-A
I-REAL-B
I-RDS-CLK
O-M
P3-CLK
O-CD-CLK
-VFL
VF1
VF2
O-BD3401-
DATA
O-BD3401-
CLK
STBY-LED
VOL-A
VOL-B
KEY
SIRCS
VFD-DO
VFD-DI
VFD-CLK
VFD-CE
D-GND
9V
VDD(SWITCHED)
VFD-RESET
D-GND
-DATA
I-HP/
AUDIO IN
O-MP3
O-CD-DATA
I-CD-SENS
(1/3)
I-MP3
-DI
TAPE MECHANISM
DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
SYSTEM CONTROLLER
Q903,904
REGULATOR
VOLTAGE
DETECT
INVERTER
RESET
SWITCH
Q341,342
CAPSTAN/REEL MOTOR DRIVE
Q343,344
PLUNGER DRIVE(DECK-B)
Q345,346
PLUNGER DRIVE(DECK-A)
AMP
ON/OFF
VDD(EVER)
I-MODEL7
I-LC72121-DI
I-M
ODEL1
I-M
ODEL2
I-MODEL3
I-M
ODEL4
I-MODEL5
I-M
ODEL6
(AEP,EE)
(AEP,EE)
(RG470)
(GX255/RG170)
(AEP,EE,E2,E51)
(CND,RU)
(CND,E2,E51)
NC
NC
NC
NC
NC
NC
NC
(AEP,EE,RU)
O-SSTB-MP3
/M-MUTE
O-REQ-MP3
I-REQ-MP3
O-XLAT
I-ACK-MP3
O-XLAT-MP3
O-XRST
(Refer to page 52 of
service manual)
(Page 10)
(Page 11)
HCD-GX255/RG170/RG470
10
10
HCD-GX255/RG170/RG470
3-5. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
•
See page 5 for Waveforms.
•
See page 13 for IC Block Diagrams.
(Page 12)
R158
R203
R204
R205
R206
R234
R239
C191
C162
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
C144
C146
R142
C142
R144
C141
R131
R132
R141
R143
R145
C143
C136
C137
C128
C127
C125
C123
C124
C126
R121
R122
R120
R119
C145
R128
D121
R247
R248
C106
C105
C110
C109
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
C132
R170
R161
R162
C175
R169
R167
R165
R163
C177
R173
R168
R171
R174
C176
R164 R166
C178
R172
R069
CN066
R244
C209
C220
C065
C187
C188
C189
C190
R106
C113
C114
C156
Q141
C068
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
R135
R136
C159
C069
C131
C133
JW173
C186
C215
C196
C185
C070
C066
100
47k
47k
10k
10k
10k
1k
0.01
100p
5P
8P
5P
1k
100k
100k 470p
470p
0.1
0.1
47k
47k
10
1000p
1000p
3P
1000p
22
50V
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
100p
100
47
16V
100
16V
16V
100
1M
10
0.1
0.1
220k
47p
47k
47p
220k
220k
220k
47k
47k
0.1
10
50V
10
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
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
22p
1000p
470p
470p
470p
470p
1k
1
50V
1
50V
100
16V
16V
2SC3052
1000p
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
1000p
1000p
0.1
50V
0.47
50V
1000p
10p
10p
10p
10p
10p
A1
A2
A3
A4
C1
C2
C3
C4
C5
C6
C7
C9
C10
C11
C12
M
-C
L
M
-D
A
O
-BI
O
-RP
I-HP/AUDIO
TUR
T
UL
CD
L
C
D
R
I-MIC
TA-AM
S
*
∗
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
BNF2
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)
EE,RU
(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
∗
R135,136
0
1k
(GX255/RG170)
(RG470)
(AEP,EE,RU)
(AEP,EE,RU)
(AEP,EE,RU)
(AEP,EE,RU)
AEP,
(AEP,EE,RU)
(AEP,EE,RU)
(E2,E51)
(E2,E51)
VIN2
TONE OUT2
AMS OUT
BOUT2
BOUT1
BNF1
MNF1
(Refer to page 47 of
service manual)
(Refer to page 47 of
service manual)
(Page 9)
(Page 9)
(Page 11)
HCD-GX255/RG170/RG470
11
11
HCD-GX255/RG170/RG470
3-6. SCHEMATIC DIAGRAM – MAIN Board (3/3) –
(Page 10)
D004
D007
D008
D014
D024
IC006
IC011
R268
R006
Q002
C015
C025
IC021
C007
C016
R001
D022
D012
C011
C005
D002
R060
D031
C026
C027
C028
CN031
CN001
R036
R035
R043
R042
Q042
R045
R046
C043
C041
C042
Q251
C255
C263
C264
R262
R261
IC251
R251
C266
C265
D302
CN391
D301
C317
C302
C301
R303
R301
R304
R302
C391
D001
C001
D003
D013
D011
D023
D021
R263
R264
C013
C023
R034
R033
R267
C002
C012
JW040
C384
R005
R059
C045
R047
R050
R049
D035
R048
M001
EP031
C031
C032
Q261
Q041
Q252
Q045
Q044
R007
C044
D041
R044
CN041
Q043
R032
R037
R064
R063
R257
C257
C253
R253
R259
R265
R052
C256
R250
C254
C260
R252
C258
R254
C259
R258
R390
R391
R385
R386
R384
R383
R382
R381
D006
R387
R388
R389
C305
R315
R316
R317
R318
R319
R320
R321
R322
R323
R324
JW030
CN381
CN301
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
TA78033LS
TA7809S
4.7k
4.7k
2SC3052
100
16V
16V
100
16V
16V
TA7809S
22
50V
1000p
22
10EDB40
10EDB40
0.1
2200
16V
10EDB40
1SS355TE-17
0.01
0.01
0.01
13P
11P
4.7k
4.7k
2.2k
10k
KTA1271Y-AT
1k
1k
0.1
47
16V
4.7
50V
50V
2SC3052
22p
47
16V
1000p
10k
10k
BA4558F-E2
4.7
50V
50V
4.7
50V
50V
10EDB40
13P
10EDB40
1000
10V
10 50V
10
50V
10k
1k
10k
1k
0.1
10EDB40
0.1
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
2.2k
2.2k
2200
25V
2200
25V
22k
22k
47k
0.1
0.1
100p
4.7k
0.1
4.7k
47k
2.2
MC2838
47k
1000p
1000p
RT1P141C-TP-1
RT1N431C-TP-1
2SC3052
2SC3052
2SC2001
10k
1000p
UDZSTE-1713B
0
3P
2SC2001
1k
4.7k
47
16V
22k
100
470k
22p
10 50V
47
16V
10
50V
22k
100
100
470
470
1SS355TE
-17
1000p
100
100
100
100
100
100
100
100
100
100
1
23P
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
C6
C7
C9
C10
C11
C12
PROTECT
FSP
P-RELAY
STK-M
SYS-M
ACP
C-LR
C-LF
C-TR
C-TF
C-E1
C-E2
C-E3
C-SE
C-OS
TU-R
TU-L
VFL-
VF1
VF2
T-CL
T-MU
R-C
CDR
CDL
T-ST
T-SD
T-CE
T-DO
T-DI
R-D
C-3
C-12
C-4
C-1
C-8
C-14
C-5
C-11
C-9
C-10
C-13
C-15
C-6
C-7
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
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
PROTECT
STK MUTE
GND
N.C
E-3
E-2
E-1
NC
M-GND
M-GND
(3/3)
∗
R254,257
470
∗
R251,252
(FAN)
(CHASSIS)
10k
22k
∗
R059,060
STBY-RELAY
EVER +10V
D-GND
UNREG +16V
PWR GND
AM
ANTENNA
COAXIAL
FM 75
Ω
RELAY B+
1k
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
11P(AEP,EE)
15P(EXCEPT AEP,EE)
(AEP,EE)
(AEP,EE,RU)
(GX255)
(RG470)
(RG470)
(AEP,EE,RU)
∗
R063,064
47 (GX255/RG170)
100 (RG470)
470 1W
470 2W
(RG170:AEP,EE,RU)
1k 2W
(RG470)
(RG470)
(RG470)
(RG470)
0
0
0
∗
C253,254
47p
10k
(RG170:AEP,EE,RU)
(GX255/RG170:E2,E51/RG470:AEP,EE,RU)
(RG170:AEP,EE,RU)
(GX255/RG170:E2,E51/RG470)
(GX255/RG170:E2,E51/RG470)
(GX255/RG170:E2,E51/RG470)
(GX255/RG170:E2,E51)
∗
R253
∗
R250
0(RG170:AEP,EE,RU)
10k(GX255/RG170:E2,E51/RG470)
(RG470:E2,E51)
(GX255/RG170:E2,E51)
∗
R387-389
0(EXCEPT AEP,EE,RU)
470(AEP,EE,RU)
470(AEP,EE,RU)
∗
R381-384
100(EXCEPT AEP,EE,RU)
DATA
CLK-MP3
M-MUTE
D-OUT
D-GND
L-CH
A-GND
R-CH
AVDD(3.3V)
XTCN
XRST
IREQ-MP3
CLK
DATA-MP3
XLAT-MP3
REQ-MP3
ACK-MP3
XLAT
SENS
SCOR
M-GND
M+7V
DVDD(3.3V)
TUNER
(FM/AM)
(RG170:AEP,EE,RU)
GX255/RG170:
E2,E51/RG470
SUPPLIED WITH
BLOCK
THE ASSEMBLED
(Refer to page 31
of service manual)
(Refer to page 41 or
43 or 45 of
service manual)
(Refer to page 55 or
57 or 59 of
service manual)
(Page 7)
(Page 9)
HCD-GX255/RG170/RG470
12
12
HCD-GX255/RG170/RG470
3-7. PRINTED WIRING BOARD – HEADPHONE Board –
: Uses unleaded solder.
3-8. SCHEMATIC DIAGRAM – HEADPHONE Board –
CN701
JW701
J701
C783
C781
C782
1-868-196-
12
(12)
HEADPHONE BOARD
PHONES
1
5
G
MAIN BOARD
CN061
A
B
C
1
2
J701
CN701
JW701
C781
C782
5P
1000p
1000p
HP CTL
HP-GND
L-OUT
R-OUT
D-GND
PHONES
(Page 10)
(Page 8)
Click on the first or last page to see other HCD-GX255 / HCD-RG170 / HCD-RG470 service manuals if exist.