Sony HCD-FX250 Service Manual ▷ View online
HCD-FX250
HCD-FX250
17
17
5-6. SCHEMATIC DIAGRAM - MAIN Section (2/2) -
• See page 23 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
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
IC754
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
CN01
50V
1
C270
50V
1
C170
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
7
A
9
C
4
2
6
B
5
1
G
(2/2)
MODULE
DAB TUNER
DAB1
FM
GND
AM
DAB/FM
ANTENNA
SIGNAL
NC
GND
(1/2)
MODULE
DAB TUNER
DAB1
(Page 16)
HCD-FX250
HCD-FX250
18
18
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
CN01
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
J
BD73 BOARD
W101
K
PANEL BOARD
G
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
D954
C274
C953
C957
JW156
JW170
1
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
D901
D904
DAB1
DAB TUNER
MODULE
(Page 14)
(Page 19)
(Page 19)
(Page 22)
5-7. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
• See page 12 for Circuit Boards Location.
HCD-FX250
HCD-FX250
19
19
B
E
B
E
B
E
30
31
50
51
81
80
100
1
B E
1
16
17
32
B
E
E
B
E
B
E
B
E
1
4
4
5
8
R216
R220
R221
Q860
R802
R806
R808
R809
R810
C201
C204
C207
R820
C209
R821
R822
R823
R824
R825 R826
R827
C210
R830
R831
R832
R833
IC970
C220
C801
C802
C803
R840
C804
C805
C806
C809
IC980
C810
C811
C812
C813
C814
R850
C815
R851
R860
R865
R866
R870
R871
R872
R873
Q301
Q302
R880
R885
R886
R887
R888
C850
C851
R891
R892
R894
R895
R896
R897
C860
D801
D802
IC801
IC802
R102
R104
R107
R109
R301
R302
R304
R305
R306
R307
R308
R309
R116
R310
FB320
R311
R312
R120
R121
R700
R701
R702
R703
R704
R705
R711
C101
R719
C104
C107
R720
C109
R723
R724
C302
C303
C110
R728
R729
C307
C308
C309
R730
R732
Q987
R733
C310
Q988
R734
C311
Q989
R735
C312
R736
C313
C314
C120
R738
C315
R739
R744
R745
R788
R986
R988
R989
R795
R796
R797
Q801
Q802
IC301
JR703
JR704
JR705
JR706
JR707
JR708
JR709
IC310
JR710
JR711
JR712
C970
C971
C973
C980
C982
C983
C984
C985
C993
C994
R202
R204
R207
R209
1
36
1
2
2
1
20
21
B
E
14
15
1
2
E
B
1
2
6
7
1
3
JW758
JW759
JW760
J320
JW761
JW762
JW763
JW765
JW766
JW767
JW768
JW769
JW770
JW771
JW772
JW773
JW774
JW775
JW776
JW777
JW778
JW780
JW781
JW782
JW783
JW784
JW785
JW787
JW789
C202
C206
CN802
JW790
JW792
JW793
JW794
JW796
JW797
JW798
C800
CN830
X801
X802
S820
S821
S822
S823
S824
JW800
S830
JW801
S831
S832
JW803
S833
JW805
JW807
CN880
JW810
S840
JW812
JW814
JW815
JW817
JW819
CN890
JW820
S850
L321
JW821
JW822
JW823
JW824
JW825
JW826
JW827
JW828
JW829
JW830
JW831
JW833
JW834
JW835
JW836
JW839
JW840
JW842
D860
C102
C106
C301
C304
IC860
Q981
Q982
LCD801
JW702
JW703
JW704
JW705
JW706
JW707
JW708
JW709
JW710
JW711
JW712
JW713
JW714
JW716
JW717
JW719
JW720
JW722
JW723
JW724
JW725
JW726
JW727
JW728
JW729
JW730
JW731
JW733
JW734
JW735
JW737
JW738
JW739
C981
JW740
JW741
JW742
JW743
JW744
JW745
JW746
JW747
C991
JW749
C992
JW750
JW751
JW752
JW754
JW756
JW757
D320
TP320
A
BD73 BOARD
CN401
C
C
D
G
MAIN BOARD
CN912
K
MAIN BOARD
CN913
1
3
3
4
5
1
3
4
1
3
2
4
5
DSGX
FUNCTION
u
CANCEL
x
ENTER
ROTARY
ENCODER
VOLUME
LIQUID CRYSTAL
DISPLAY
1-881-404-
11, 12
(11, 12)
PANEL BOARD
(NC)
AUDIO IN
TUNE +
M L
– TUNE
l m
(LCD BACK LIGHT)
(CD LID OPEN/CLOSE DETECT)
SW880
2
1
3
S820 – 824,
S830 – 834
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
D981
D982
W830
(CHASSIS)
R882
R883
DAB INITIAL
SCAN
R890
DAB
JW779
JW838
JW764
JW809
(CHASSIS)
(Page 18)
(Page 18)
(Page 14)
5-8. PRINTED WIRING BOARD - PANEL Board -
•
: Uses unleaded solder.
• See page 12 for Circuit Boards Location.
HCD-FX250
HCD-FX250
20
20
5-9. SCHEMATIC DIAGRAM - PANEL Board (1/2) -
• See page 12 for Waveforms. • See page 23 for IC Block Diagrams. • See page 13 for IC Pin Function Description.
(2/2)
11
BOARD
PANEL
11
10
IC B/D
3.1
1.6
3.3
1.6
1.6
1.6
2.1
1
1.6
3.3
0
0
3.3
3.3
3.3
0
0
(3.3)
(0)
(3.3)
3.2
1.2
1.6
1.5
3.3
0.3
3.3
3.3
1.7
3.3
3.3
3.2
1.5
3.3
3.3
3.3
0
1.6
3.3
0
3.3
3.3
3.3
3
3.3
3.3
3.3
4
2.6
3.3
3.2
0
2.3
-1.9
3.3
0
3.3
3.3
2.3
3.3
3.3
3.3
0
3.3
3.3
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
(3.3)
(3.3)
(3.3)
1.6
1.6
1.6
1
C860
0.01
C806
0.1
C804
6.3V
1000
C800
18p
C801
22p
C802
RT1N441C-TP-1
Q802
1k
R831
1k
R702
100
R703
100
R704
1k
R720
10k
R810
10k
R820
10k
R830
4.7k
R824
2.2k
R822
2.2k
R823
2.2k
R832
2.2k
R833
47
R860
100k
R806
220k
R809
1k
R719
X801
32.768kHz
R891
10k
R892
0.047
C803
1k
R728
1k
R701
100
R705
100
R724
1k
R729
10k
R840
1k
R788
100
R882
100
R883
100
R795
100
R796
100
R797
1k
R700
1k
R732
1k
R736
1k
R739
1k
R733
10k
R734
100
R738
IC801
1
O-CD-CE
2
O-CD-M-MUTE
3
O-CD-DO
4
I-CD-DI
5
O-CD-CLK
6
O-USB-RES
7
O-USB-SLEEP
8
O-USB-POW
9
O-iPod-POW
10
I-OVERCURRENT
11
RESET
12
Sub Clock(32kHz)
13
Sub Clock(32kHz)
14
VSS1
15
Main Clock(15MHz)
16
Main Clock(15MHz)
17
VDD1
18
I_SUFFIX
19
I_KEY1
20
I_KEY2
21
NC
22
_I_TUNE
23
O-AUDIO IC-DA
TA
24
O-AUDIO IC-CLK
25
I-LEVEL
26
I_POWER_MONIT
OR
27
_I-AC-CUT
28
_I_W
AKEUP
29
I-RMC(SIRCS)
30
I-PROTECT
31
NC
32
I-VOL-ENC-A
33
I-VOL-ENC-B
34
O-AMP-ON
35
O-POWER
36
O-CD-POW
37
O-TU-DO
38
O-DAB-1.2V
39
O-DAB-3V
40
O-DAB-RESET
41
I-RDS-DATA
42
O-RDS-POWER
43
NC
44
NC
45
I-iPod-WAKE
46
SEG1
47
SEG2
48
SEG3
49
SEG4
50
SEG5
51
SEG6
52
SEG7
53
SEG8
54
VDD2
55
VSS2
56
SEG9
57
SEG10
58
SEG1
1
59
SEG12
60
SEG13
61
SEG14
62
SEG15
63
SEG16
64
SEG17
65
SEG18
66
SEG19
67
SEG20
68
SEG21
69
SEG22
70
SEG23
71
SEG24
72
SEG25
73
SEG26
74
SEG27
75
SEG28
76
SEG29
77
SEG30
78
SEG31
79
SEG32
80
LCD V3
81 LCD V2
82 LCD V1
83 COM1
84 COM2
85 COM3
86 COM4
87 O-LED-LCD
88 I-CD-SW
89 VSS3
90 VDD3
91 O-iPod_TXD
92 I-iPod_RXD
93 O-DAB-TXD
94 I-DAB-RXD
95 DEBUG 0
96 DEBUG 1
97
DEBUG 2
98
I-iPod-DET
99
I-RDS_CLK
100
O-CD-RES
100
R723
10k
R885
1
7
8
9
10
11
12
5
6
14
19 18 17
13
16
20
15
23
24
27
21
28
26 25
22
31
33
35
30
32
36
34
29
2
3
4
LCD801
S1
S5
S6
S7
S8
S9
S10
S1
1
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
C1
C2
C3
C4
S2
S3
S4
100k
R887
100k
R886
100k
R888
VCC
OUT
GND
PNA4823M03S0
IC860
1
2
3
1
2
3
4
5
6
7
7P
CN890
TRESET
DBGP0
DBGP1
DGND
DBGP2
VCC
VCC
100
R711
150k
R897
1.5k
R896
33k
R895
10k
R802
D860
SELU2B10A-SLF62
1
2
2P
CN880
CD_SW
DGND
10k
R880
1k
R730
2.2k
R825
2.2k
R826
S850
2
1
3
2.2k
R735
RT1P144C-TP-1
Q302
C814 470p
100p
C812
C815
C813 100p
S-80928CNNB-G8YT2G
IC802
GND
2
VDD
3
CD
4
OUT
1k
R745
10k
R827
MC2836
D801
RT1P136C-TP-1
Q801
10k
R744
RT1N237C-TP-1
Q301
2SC3052EF-T1-LEF
Q860
0
R808
R870
1k
R871
4.7k
1
C810
1
C811
R894
100k
R872
4.7k
R873
4.7k
R865
100
R866
100
1
C809
R850
10k
R851
10k
C850
0.01
C851
0.01
0.1
C805
100k
R309
1k
R304
1
C307
1k
R821
100
39
38
36
34
35
93
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S1
1
S10
S9
S8
S7
S6
S1
S2
S3
S4
C4
C3
C2
C1
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S1
1
S10
S8
S7
S6
S5
S4
S3
S2
S1
11
94
29
S9
97
96
95
C1
C2
C3
C4
88
S5
97
96
95
11
88
1
2
3
4
5
19
20
25
29
PROTECT
25
19
23
24
20
100k
R890
1
3
5
2
4
LIQUID CRYSTAL DISPLAY
SYSTEM CONTROLLER
IC801
X802
15MHz
ROTARY
ENCODER
IC802
RESET SIGNAL GENERATOR
PANEL BOARD (1/2)
IC860
REMOTE CONTROL
S824
/
S840
FUNCTION
S830
DSGX
S831
S832
CANCEL
S833
ENTER
S822
DAB
S823
TUNE +
S820
S821
LED DRIVE
RECEIVER
RESET SWITCH
Q301, 302
LEVEL DETECT
1
- TUNE
LC87F7DJ2BVU-QIP-E
(NC)
VOLUME
DETECT
SW880
CD LID
CD LID
OPEN/CLOSE
PROTECT SWITCH
1k
100p
E
11
J
3
K
D
F
14
15
L
8
G
7
I
13
A
10
9
C
4
H
2
6
B
5
1
12
(LCD BACK LIGHT)
DAB INITIAL
SCAN
(Page 21)
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