Sony HCD-FX350I Service Manual ▷ View online
HCD-FX350i
HCD-FX350i
17
17
5-4. SCHEMATIC DIAGRAM - BD73 Board -
• See page 14 for Waveforms. • See page 26 for IC Block Diagrams.
(2/2)
A
BOARD
CN830
PANEL
IC B/D
IC B/D
(1/2)
J
BOARD
CN914
MAIN
1
3.3
0
1.6
1.5
1.5
3.3
3.3
3.3
1.6
1.6
1.6
1.6
0
0
0
3.3
3.3
3.3
3.3
0
3.3
3.3
1.6
0
3.3
3.3
3.3
3.3
1.6
1.6
1.6
1.6
1.6
1.5
0
2.4
1.6
1.6
3.3
1.8
1.8
1.6
1.6
1.6
1.3
1.6
1.6
1.6
1.6
1.6
1.6
1.3
3.1
2.4
2
3.1
3.9
1.6
6.9
3.2
1.6
3.5
3.5
3.5
3.5
3.5
3.5
1.6
6.9
1.6
1.6
6.9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
LC786924NT-US-H
IC101
EFMIN
RFOUT
LPF
PHLPF
AIN
CIN
BIN
DIN
SLCISET
RFMON
VREF
JITTC
EIN
FIN
PCNCNT
TE
TEIN
LDD
LDS
AVSS
AV
D
D
FDO
TDO
SLDO
SPDO
VVSS1
PDOUT1
PDOUT0
PCKIST
VVDD1
CONT5(M-MUTE)
LIMIT
-SW(CONT3)
STREQ(DEFECT)
STCK(FSEQ)
STDA
TA(C2F)
DVDD
DVSS
DVDD15
VVDD3
VVSS3
DVDD
DVSS
CE
CL
DI
DO
RESB
INTB0
INTB1
CONT2
CONT1
CONT0
TEST0
AD_LRCK(STREQ)
AD_BCK(STCK)
AD_DATA(STDATA)
TEST1
DEFECT(DATA)
FSEQ(DATACK)
C2F(LRSY)
DVDD
PCMLRSY
PCMBCK
PCMDA
TA
PCMREQ
DVDD15
DVSS
DVDD
DOUT
CONT4
XVSS
XOUT
XIN
XVDD
LR
VDD
LCHO
LRREF
RCHO
LR
VSS
SLCO
28 27 26 25 24 23 22
21 20 19 18 17 16 15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
29
30
BA5826SFP-E2
IC301
VO1-
VO1+
IN1
RESET
REGB
REGOUT
MUTE
GND
IN2’
IN2
VO2+
VO2-
GND
OPOUT
OPIN
RESETt
VO3-
VO3+
IN3
IN3’
VCC
VCC
BIAS
IN4’
IN4
VO4+
VO4-
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
16P
CN201
F-
T+
T-
F+
MD
VR
LD
GND
F
C
B
A
D
E
VCC
VREF
2SA2119K
Q201
16.934MHz
X101
0.1
C201
0.1
C209
1
R201
2.2
R202
3300p
C106
10k
R117
0
R401
0
R402
10V
100
C402
0.1
C404
2200p
C413
2200p
C414
CL101
CL102 (RFOUT)
CL103
CL104
CL105
CL106
CL107
CL108
CL109
CL110
CL111
CL112
CL113
CL114
CL115
CL1
16
CL209
CL210
CL117
CL404
CL405
CL406
CL407
CL408
CL411
CL412
CL417
CL418
CL420
CL421
CL422
CL118
CL1
19
SL201
SL301
SL302
SL303
SL304
CL120
CL409
CL204
CL203
CL202
CL201
CL208
CL207
CL206
CL205
CL213
CL214
CL211
CL212
0
R417
CL121
2
3
4
5
6
7
8
9
11
10
12
13
14
15
15P
CN401
W101
MGND
1
VM (7V)
AVDD
R-OUT
DACGND
L-OUT
AGND
DGND
DVDD
CD_M-MUTE
CD_RESB
CD_DO
CD_DI
CD_CL
CD_CE
CL423
0.1
C107
0.1
C133
0.1
C104
0.01
C102
C136
0.1
0.1
C103
0.1
C118
0.047
C117
4700p
C101
0.01
C105
0
R105
0
R103
1k
R108
330
R101
1k
R109
10k
R102
0
R104
68k
R107
22k
R111
0
R106
0
R112
0
R126
0.1
C131
0.1
C132
0.1
C127
0.1
C130
0.1
C128
10V
100
C116
10V
100
C129
10V
100
C119
0
R203
C205
10
1
C206
1000p
C208
C203
10
10V
100
C207
0.1
C304
0.1
C302
0.1
C303
680
R1
13
680
R1
14
68k
R116
0.022
C111
0.22
C110
0.1
C112
0.1
C126
0.1
C123
0.1
C122
0.1
C125
10V
100
C124
0.1
C121
0.1
C120
0.01
C108
10V
220
C301
10k
R125
10V
100
C401
0.1
C403
8.2k
R305
10k
R304
33k
R302
5.6k
R301
12k
R303
10k
R124
100
R118
10k
R121
10k
R122
10k
R120
10k
R123
0.1
C113
100
R407
100
R406
100
R408
100
R409
100
R411
100
R412
100
R413
C409
220p
C410
220p
CL419
CD-MP3 PROCESSOR
IC101
S001
IC301
FOCUS/TRACKING
BD73 BOARD
M
(SPINDLE)
(SLED)
M
COIL DRIVE,
SLED/SPINDLE
MOTOR DRIVE
SP-
SP+
SL+
SL-
AUTOMATIC
POWER CONTROL
(LIMIT)
E
11
J
3
K
D
F
14
15
8
G
7
I
13
A
10
9
C
4
H
16
17
2
6
B
5
1
12
(VREF)
OPTICAL
PICK-UP BLOCK
(DA11MMVGP)
(Page 18)
(Page
23)
HCD-FX350i
HCD-FX350i
18
18
5-5. SCHEMATIC DIAGRAM - MAIN Section (1/2) -
• See page 26 for IC Block Diagrams.
PANEL
F
CN802
BOARD
(2/2)
W101
BOARD
BD73
J
CN001
BOARD
PT
D
(2/2)
BOARD
PANEL
K
IC B/D
(2/2)
BOARD
MAIN
1
3.3
15.2
9.1
0.7
0
7.4
7.4
15.2
10.5
3.1
1.5
1.5
7.5
4.7
4.2
9.4
0
3.6
14.5
15.2
15.2
0.1
0.7
3.3
0
0
3.3
20
9
8.4
0
20
20.6
15.2
20.6
21.3
15.2
9.4
10.5
7.3
10
10
7.3
ISA1235AC1-T112-1EF
Q932
2SC3052EF-T1-LEF
Q931
2SC3052EF-T1-LEF
Q910
0.1
C906
1
C907
16V
100
C350
I
O
G
KIA7809API-U/PF
IC901
1
2
3
7
6
5
4
3
2
1
13
12
11
10
9
8
LA4631-E
IC350
R.FIL
IN_1
PRE.GND
IN_2
STBY
P.
P
VCC
OUT_2
NC
P-GND
NC
OUT_1
NC
10V
220
C908
22k
R151
22k
R251
1000p
C153
1000p
C253
0.1
C901
0.1
C902
RL202-B322-1
D906
RL202-B322-1
D905
DAB_DO
DAB3.3ON
DGND
DAB_AGND
+9V
DAB_DI
DAB1.2ON
DAB_RESET
50V
1
C252
50V
1
C152
50V
10
C910
2SC3052EF-T1-LEF
Q903
DA2J10100L
D930
D913
2SC3052EF-T1-LEF
Q960
10k
R940
1k
R944
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
CN912
21P
AMP_R
AGND
AMP_L
AMP_ON
DAB_L
+9V
DAB_R
PROTECT
MGND
MGND
+7V
+7V
DGND
VSTBY
DAB_RXD
DAB_TXD
DAB_1.2V
DAB_3V
DAB_RESET
POWER_ON
RDS_DATA
DAB_L
DAB_R
1N4002-A2
D907
D910
4.7k
R935
4.7k
R934
4.7k
R933
5.1k
R932
1
2
3
4
5
6
6P
CN901
VSTBY
SUB_GND
RELAY
VHAC1
VM
VHAC2
1k
R914
E
ET900
1
2
3
3P
CN902
EMITTER
COLLECTOR
BASE
J350
JW911
50V
C904
1000
25V
C903
D914
C915
0.1
10V
470
C914
50V
10
C940
100k
R938
0
R942
2.2k
R918
50V
1
C258
50V
1
C158
1.5k
R920
1
2
3
3P
CN904
EMITTER
COLLECTOR
BASE
2SC3052EF-T1-LEF
Q909
L351
1N5401-C352
D902
1N5401-C352
D903
D931
2SC3052EF-T1-LEF
Q150
10k
R161
10k
R261
2SC3052EF-T1-LEF
Q250
DA2J10100L
D920
25V
C159
22
25V
C259
22
1
2
2P
CN913
DACGND
DACGND
1
2
2P
CN914
DACGND
DACGND
ISA1235AC1-T112-1EF
Q902
16V
1000
C154
0.01
C155
0.01
C255
330
R256
330
R156
220
R255
220
R155
470
R160
470
R162
470
R262
470
R260
8.2k
R253
8.2k
R153
C254
16V
1000
2200p
C353
0.01
C260
0.1
C156
0.1
C256
0.1
C157
0.1
C257
10
R259
10
R159
0.01
C160
50V
4.7
C351
10k
R901
47k
R902
22k
R250
22k
R150
68k
R158
68k
R258
2.2k
R916
2.2k
R917
10k
R900
C355
25V
2200
10k
R919
6.8k
R921
47
R931
1
C930
10k
R937
1k
R927
R930
1k
4.7k
R936
1k
R928
0.1
C352
C150
1000p
C250
1000p
100
R252
100
R152
4.7k
R365
2SB1565E
Q930
ISA1235AC1-T112-1EF
Q934
10k
R947
1
2
3
3P
CN903
EMITTER
COLLECTOR
BASE
10k
R948
10k
R957
2SB1565E
Q940
1
2
3
3P
CN905
EMITTER
COLLECTOR
BASE
ISA1235AC1-T112-1EF
Q915
10k
R915
+7V
VM
IC350
POWER AMP
(CHASSIS)
IC901
+9V REGULATOR
MAIN BOARD (1/2)
REGULATOR
OVER VOLTAGE
DETECT
OVER LOAD DETECT
Q150, 250
+7V REGULATOR
Q931, 932
ON/OFF CONTROL
MAIN POWER
PHONES
Q902, 903
STANDBY SWITCH
+
+
-
-
SPEAKERS
R
L
J351
E
11
J
3
D
F
14
15
8
G
7
I
13
A
10
9
C
4
H
16
2
6
B
5
1
12
4700
DZ2J09100L
DZ2J20000L
DZ2J09100L
DZ2J12000L
REGULATOR
REG BOARD
Q930, 934
Q915, 940
+7V REGULATOR
POWER-TR BOARD
(Page 23)
(Page 17)
(Page 25)
(Page 19)
(Page 23)
HCD-FX350i
HCD-FX350i
19
19
5-6. SCHEMATIC DIAGRAM - MAIN Section (2/2) -
• See page 26 for IC Block Diagrams.
IC B/D
IC B/D
BOARD
(1/2)
MAIN
1
9.1
4.5
4.5
4.5
4.5
4.5
4.5
3.2
1.3
5.4
3.3
1.2
3.2
5.4
10.5
5.4
22k
R173
L950
22k
R174
4.7k
R370
220p
C171
4.7k
R371
220p
C271
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
30P
CN750
22k
R273
8
7
6
5
4
3
2
1
NJM4558V-TE2
IC370
VEE
VCC
22k
R274
5
4
3
2
1
TK11133CSCL-G
IC950
CONT
GND
NOISE
VO
VI
47k
R953
+9V
DAB_L
DAB_AGND
DAB_R
DGND
+7V
1N4002-A2
D953
1N4002-A2
D954
MM3291CNRE (UK)
IC754
TK68112AS2G0L-C (AEP, AUS)
1
VIN
2
GND
3
CE
4
NC
5
VOUT
DAB_RESET
DAB_DI
DAB_DO
DAB1.2V_ON
DAB3.3V_ON
10V
100
C957
100
R751
100
R752
1
C962
10
C958
1
C956
22k
R175
22k
R176
50V
1
C174
50V
1
C173
0.1
C371
220p
C272
220p
C172
50V
1
C273
50V
1
C274
1
C952
0.22
C950
0.01
C951
1
C955
10
C954
10V
C953
100
470
R951
100
R750
10k
R950
1
C372
22k
R276
22k
R275
10V
100
C370
1
2
3
3P
CN5001
1
2
3
3P
CN5002
50V
1
C270
50V
1
C170
VM
AUD_SDOUT0
GND
GPIOC15
AUD_MCLK
GPIOB4
1.2V
GPIOB10
AUD_SCLK
SCP2DATA
S1_DIN
SCP2CLK
GPIOA14
AUDL
SYS_RESET
3.3V
S1_DOUT
GPIOA5
SPICS2
GND
SP/PDIFOUT
GPIOB1
AUD_SFR
GPIOB11
SPI_MOSI
AUDR
SPI_MOSO
AUD_SFR
GPIOC14
GPIOA12
A_GND
+1.2V REGULATOR
IC754
IC950
+3.3V REGULATOR
LINE AMP
IC370
MAIN BOARD (2/2)
E
3
D
F
8
9
7
A
C
4
2
6
B
5
1
G
(2/2)
MODULE
DAB TUNER
DAB1
FM
GND
AM
DAB/FM
ANTENNA
SIGNAL
NC
GND
1
C960
I
O
G
KIA7805API-U/PF
IC952
1
3
2
10V
100
C961
0.1
C959
IC952
+5V REGULATOR
(AEP, AUS)
(UK)
CN01
(1/2)
MODULE
DAB TUNER
DAB1
(Page 18)
Ver. 1.1
HCD-FX350i
HCD-FX350i
20
20
B
E
B
E
B
E
B
E
B
E
B
E
E
B
E
B
E
B
E
JL5001
JL5002
JL5003
JL5004
R250
R251
R252
R253
R255
R256
R258
R259
R260
R261
R262
C250
C253
C255
C256
C257
C260
Q902
Q903
Q909
Q910
Q150
Q931
Q932
L351
Q960
R900
R901
R902
R914
R916
R917
R918
R919
R920
R150
R921
R151
R152
R153
R155
R156
R927
R928
R158
R159
R160
R930
R161
R931
R162
R932
R933
R934
R935
R935
R936
R937
R938
C901
C902
R940
R365
C906
R942
C907
R944
C915
C150
C153
C155
C156
C157
C352
C353
C160
C930
JR101
JR102
D910
D913
D914
D920
Q250
D930
D931
1
13
1
3
1
3
2
1
20
21
1
3
1
3
1
2
2
1
IC350
J350
J351
CN5001
C252
C254
C258
C259
CN901
CN902
CN904
CN912
CN913
CN914
C903
C904
C908
C910
C914
C152
C154
JW101
C158
C159
C350
C351
C355
JW113
JW114
JW116
JW118
JW119
C940
JW122
JW123
JW124
JW125
JW126
JW127
JW128
JW129
JW131
JW132
JW133
JW134
JW136
JW137
JW138
JW139
JW911
D905
JW141
D906
D907
JW144
JW145
JW146
JW147
JW148
JW149
JW150
ET900
JW151
JW152
JW153
JW154
JW155
JW157
JW158
JW159
IC901
JW164
JW165
JW166
JW167
JW168
B
E Q934
R947
R948
1
3
B
E
Q930
CN903
B
E
Q915
R915
R957
1
3
B
E
Q940
CN905
CN01
J
BD73 BOARD
W101
K
PANEL BOARD
F
PANEL BOARD
CN802
D
PT BOARD
CN001
(CHASSIS)
1
6
1-881-339-
11, 12
(11, 12)
MAIN BOARD
ANTENNA
DAB/FM
L
R
SPEAKERS
PHONES
1-881-403-
11, 12
(11, 12)
REG BOARD
C
C
1-881-801-
11, 12
(11, 12)
POWER-TR BOARD
C
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
3
1
CN5002
R751
R752
C958
29
30
1
2
CN750
JW161
IC754
IC950
L950
R750
R950
R951
R953
C950
C951
C952
C954
C955
C956
C962
C953
D954
C274
C957
C961
JW156
JW170
1
1
3
3
4
5
5
1
3
4
5
5
D953
JW120
JW121
JW162
JW169
JW135
1
4
5
8
8
IC370
R273
R274
R275
R276
C271
C272
R173
R174
R175
R176
R370
R371
C171
C172
C371
C372
C270
C273
JW109
JW110
JW111
JW112
C170
C173
C174
C370
D902
D903
C960
C959
IC952
HT907
(UK)
(AEP, AUS)
(AEP, AUS)
DAB1
DAB TUNER
MODULE
5-7. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
• See page 14 for Circuit Boards Location.
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Ver. 1.1
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