Sony CMT-BX70DBI / HCD-BX70DBI Service Manual ▷ View online
HCD-BX70DBi
HCD-BX70DBi
25
25
• See page 38 for IC Block Diagrams.
6-8. SCHEMATIC DIAGRAM - DAB Board -
D804
D805
C825
R802
R825
R826
R830
R817
R800
R801
R816
C828
IC803
IC802
R805
R806
R807
R808
R810
R811
R814
C812
C813
C814
IC801
CN800
C811
C833
C817
C818
C834
C827
R832
FB801
C805
R813
R818
R815
CN801
C803
C806
C804
C823
C820
C802
C808
C807
FB802
C821
C824
R804
R809
R803
1N4002-B5
1N4002-B5
0.1
4.7k
4.7k
4.7k
100
47k
10k
47k
1k
4700
10V
NJM4558M-
TE2
TK68112AS2G0L-C
22k
22k
22k
22k
22k
22k
22k
220p
220p
220p
TK11133CSCL
30P
220p
1
50V
1
50V
1
50V
1
50V
1
100
0
100
16V
16V
22k
47k
1k
11P
0.22
0.01
1
220
10V
10V
0.1
1
1
0.1
0
0.1
220
10V
0
0
0
NOISE
VO
GND
CONT
VI
S1DI
DAB9V
AGND
AGND
DAB_R
DAB_L
3.3V_ON
1.2V_ON
S1DO
5V
DGND
GND
OUT
NC
VDD
CE
+1.2V
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
REGULATOR
ANTENNA
DAB 75
DAB 75
Ω
DAB TUNER
MODULE
REGULATOR
+3.3V
LINE AMP
GND
VDD
(Page 31)
HCD-BX70DBi
HCD-BX70DBi
26
26
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
6-9. PRINTED WIRING BOARD - IP Board -
30
1
E
E
Q102
Q103
Q104
Q105
Q106
R101
R102
R103
R104
R105
R106
R107
R108
R109
R1
10
R
111
R112
R113
R1
14
R1
15
R1
17
R118
CN101
CN102
R122
R132
R135
R136
R137
R138
R139
C101
C102
C103
R140
C104
R141
C105
R142
R143
R144
C108
C109
R146
R147
R148
R149
C111
X101
R150
C114
C115
C118
C119
C120
D102
D104
IC101
IC102
IC103
E
E
X101
IP BOARD
(SIDE A)
IP BOARD
(SIDE B)
1-876-184-
11
(11)
1-876-184-
11
(11)
C
MAIN BOARD
CN325
(iPod)
1
10
E
1
3
4
5
1
3
4
52
40
14
A
K
26
39
27
1
13
2
A
K
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
Ref. No. Location
• Semiconductor Location
Ref. No. Location
D102
C-4
D104
B-3
IC101
B-4
IC102
A-3
IC103
A-4
Q102
E-2
Q103
E-1
Q104
C-2
Q105
C-1
Q106
B-3
(Page 28)
HCD-BX70DBi
HCD-BX70DBi
27
27
• See page 24 for waveforms. • See page 38 for IC Block Diagrams. • See page 40 for IC Pin Function Description.
6-10. SCHEMATIC DIAGRAM - IP Board -
MAIN
C
(3/3)
CN325
BOARD
21
IC B/D
5.1
4.9
3.4
1.3
5.1
3.4
4.7
0
0
-1.1
-1.1
0
0
-1.1
-1.1
3.4
3.4
3.4
3.3
3.3
3.4
3.2
3.4
1.6
3.4
3.4
3.4
1.7
1.7
3.4
3.4
3.4
-1.1
3.4
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
30P
CN102
DGND
DGND
TPA+
USB D+
TPA-
USB D-
TPB+
VBUS
TPB-
ACC ID
PWR+
PWR+
ACC PWR
RESERVED
DGND
DGND
RESERVED
RXD
TXD
ACC DET
S-VIDEO-Y
S-VIDEO-C
VIDEO-OUT
REMOTE SENSE
LINE-IN-L
LINE-IN-R
LINE-OUT-L
LINE-OUT-R
A-GND
DGND
5
4
3
2
1
TK11133CSCL-G
IC102
CONT
GND
NP
VOUT
VIN
10
C108
6.3V
470
C109
4
3
1
2
PST3641UL
IC103
GND
VDD
CD
OUT
16V
10
C114
16V
10
C115
CL109
CL102
CL103
CL104
CL105
CL106
CL107
CL108
CL110
CL111
CL112
CL113
CL115
CL116
CL118
CL120
RT1P141M-TP-1
Q106
CL122
CL123
CL125
CL124
CL130
CL132
CL133
CL137
CL138
CL139
CL140
CL141
CL142
CL143
CL144
CL145
CL146
CL147
CL148
CL149
CL150
CL151
CL152
CL153
CL154
CL155
CL156
CL135
0.1
C104
0.1
C102
0.1
C103
C101
0.1
0.1
C120
0.1
C
111
0.1
C118
100k
R107
100k
R108
100k
R109
100k
R110
75k
R106
75k
R111
220k
R112
330k
R113
100
R114
100
R115
100
R102
100
R101
100
R136
100
R149
100
R103
100
R104
10k
R122
10k
R132
10k
R135
R146
10k
100k
R140
100k
R139
100k
R148
100k
R147
1k
R141
R143
1k
R144
1k
1k
R142
10k
R105
1000p
C119
0.22
C105
0
R118
33k
R117
100
R138
100
R137
20MHz
X101
10k
R150
2SD21
14KT146W
Q102
2SD2114KT146W
Q103
2SD21
14KT146W
Q104
2SD2114KT146W
Q105
27 28 29 30 31 32 33 34 35 36 37 38 39
41
42
43
44
45
46
47
48
49
50
51
52
3
4
5
6
7
8
9
10
11
12
13
17
18
19
20
21
22
23
24
25
26
40
2
15
16
14
1
R5F21246SN060FP
IC101
NC
SCL
P33
SDA
MODE
P34
P44
RESET
XOUT
VSS
XIN
VCC
LED
LED
LED
P23
P22
P21
P20
P17
P16
RXD_iPod
TXD_iPod
P13
NC
AC CUT
RXD_DMPOR
T
P12
P1
1
P10
P31
P30
P65
VIDEO_MUTE
AUDIO_MUTE
P07
NC
NC
P04
VREF
P60
DETECT
P61
MODEL
DEST
KEY1
KEY0
P37
LED
TXD_DMPOR
T
P06
P05
RB521S-30-TE61
D102
1
2
3
4
5
6
7
8
9
10
10P
CN101
PGND
VBUS 5V
RXD
TXD
L-
L+
R-
R+
SHIELD
DETECT
RB521S-30-TE61
D104
+3.3V REGULATOR
IC102
Q102-105
MUTING
RESET SIGNAL GENERATOR
IC103
MUTING CONTROL SWITCH
IC101
iPod INTERFACE
(iPod)
IP BOARD
9
E
6
G
1
D
3
A
4
5
C
8
F
B
H
7
2
(Page 31)
HCD-BX70DBi
HCD-BX70DBi
28
28
JW217
CN32
1
CN30
3
CN326
C389
C214
C114
C395
C220
C120
JW474
JW475
JW312
C367
JW398
JW395
JW397
JW406
JW402
JW432
JW401
JW438
JW304
JW369
JW363
JW330
JW325
JW327
JW315
JW442
JW373
JW431
JW435
JW489
JW322
JW324
C369
JW376
JW333
JW334
JW341
JW343
JW328
JW336
JW361
JW486
JW456
JW371
JW372
JW487
JW370
JW340
JW339
JW463
JW403
JW400
R153
JW436
JW430
JW433
JW393
JW358
JW365
JW364
EP302
JW465
CN309
JW450
C364
JW349
JW472
JW469
JW464
C386
C352
C344
JW4
80
JW481
JW451
C303
JW377
JW482
JW483
JW459
C301
JW360
JW458
JW446
JW470
JW434
JW457
JW476
X302
JW310
D321
JW368
JW485
CN310
1
2
10
11
C350
JW306
JW331
JW332
CLP311
JW429
JW405
R25
3
D318
L101
C379
JW359
J302
C351
CN31
2
JW326
JW428
EP301
JW342
D323
JW316
JW488
JW471
C126
JW399
JW347
C127
C226
C102
JW348
JW301
C116
C227
JW354
JW404
JW317
JW337
JW305
C394
C216
JW323
JW379
JW335
JW303
JW302
JW314
JW345
C363
JW344
JW479
JW444
JW423
JW313
C319
JW443
CN311
CN305
1
21
20
2
JW445
JW388
X301
C336
JW407
JW321
JW439
JW460
JW441
JW353
JW454
C371
C375
C377
JW410
JW366
JW308
JW484
CN30
6
JW384
JW389
CN316
L201
JW478
JW3
07
JW437
JW394
IC311
JW473
IC307
JW309
JW396
JW387
JW329
JW417
JW425
C208
C202
JW350
JW440
C108
JW357
JW374
JW367
JW416
JW415
D331
JW385
JW455
JW424
JW418
JW420
JW419
JW490
JW408
JW412
JW452
JW386
Q392
R314
CN32
2
JW382
JW4
27
JW426
JW390
JW383
JW378
JW392
JW421
JW422
R308
R312
JW409
JW41
1
JW414
JW380
C391
CN325
JW338
JW413
JW391
JW381
CN30
1
JW477
JW467
JW346
JW447
JW355
JW362
JW352
JW356
C324
Q390
JW461
JW3
18
JW31
1
JW462
JW4
48
JW466
JW468
JW351
JW375
Q304
C365
CN313
C387
Q317
C307
C304
A
A
K
CN314
IC305
C325
C335
R775
IC312
C382
Q319
Q320
R119
R120
R121
R219
R220
R221
R359
R360
R361
R362
R453
R704
Q312
JR498
JR317
JR3
18
JR3
19
JR345
JR334
D325
R473
Q203
JR313
C368
IC304
R234
R134
D330
D329
R303
JR330
JR324
R104
R204
R1
10
C499
R210
C109
C498
Q345
JR336
JR337
JR3
35
R703
R131
R702
JR341
JR315
JR340
C209
JR333
R770
R768
R769
R760
R231
R757
R785
R784
R786
C230
R766
R773
JR303
JR312
D320
Q342
D319
R783
R782
R781
JR3
01
R778
R777
R705
IC201
R789
R774
R792
R791
R793
JR314
JR332
R722
R724
R746
R741
R734
R733
R732
R731
R728
R727
R726
R725
R718
R747
R752
R751
R748
R720
R719
JR308
R717
C130
R716
R711
R709
R707
R706
R759
C101
C103
C104
C111
C1
13
C1
17
C1
19
C122
C123
C125
C201
C203
C204
R309
C21
1
C213
C217
C219
C222
C223
C225
D313
JR302
C766
C337
JR309
JR3
07
D302
D303
JR342
D304
E
C359
D309
R109
R713
Q103
IC301
JR320
R302
JR325
C366
IC310
C362
C361
D322
D332
IC303
C355
JR211
C348
JR101
JR201
JR213
C342
C341
C340 C339
C338
Q341
Q340
Q338
Q333
JR214
C333
(NC)
Q307
JR2
19
C330
Q315
Q316
JR221
JR331
JR222
Q343
Q344
Q347
Q348
JR223
R209
R101
R102
R103
R105
R106
JR316
C316
R117
R122
R123
R124
R125
R126
R129
R130
R201
R202
R203
R205
R206
JR304
JR3
06
JR305
R217
R222
R223
R224
R225
R226
R227
R229
R230
Q313
C311
C310
Q301
C305
JR329
R345
R347
R348
R349
C302
JR322
Q302
R409
R410
R411
Q303
R413
R416
Q305
R419
R420
R421
Q306
JR326
Q309
R425
R427
R428
JR327
JR328
R431
JR321
R435
R436
R439
JR344
R441
JR343
R449
R450
R458
R459
R460
R461
Q393
R463
R469
R470
R471
R475
R415
R478
R481
R482
R484
R301
R307
R487
R488
R489
R315
R495
R496
R498
R317
R500
R51
1
R600
R611
R344
JR3
23
R356
R364
R39
6
R403
R404
R406
R408
R412
R414
R128
R417
R429
R430
R432
R433
R424
R422
R753
R462
R464
R465
R466
R467
R468
R472
R477
R780
R485
R492
R493
R494
D774
R700
R701
R228
R311
R313
R316
C132
C232
CN324
D305
IC306
R437
R401
C373
C380
MAIN BOARD
E
PANEL
BOARD
F
TOP KEY
BOARD
CN802
K
MOTOR
BOARD
BOARD
CN001
CD BOARD
CN201
A
IP BOARD
CN101
C
DAB BOARD
CN801
B
K
K
A
1
4
1
9
E
E
E
E
E
E
E
E
E
E
A
K
K
E
K
K
A
E
E
AMP BOARD
CN308
D
E
E
E
E
3
1
E
K
K
A
E
E
K
A
A/K
K
A
K/A
E
E
J
H
G
HP BOARD
CN317
AMP BOARD
CN320
POWER BOARD
CN904
(CHASSIS)
(CHASSIS)
1
1
1
2
10
11
10
3
4
5
1
6
1
5
1
8
1
12
E
E
E
E
E
E
E
1-876-051-
1-876-057-
11, 12
1
3
1
3
(11, 12)
9VREG BOARD
5
4
1
3
TUNER (FM/AM)
SUPPLIED WITH THE
ASSEMBLED BLOCK
ANTENNA
M901
(FAN)
(FAN)
AM
FM 75
COAXIAL
M
(BX50BTi)
R
L
SPAEKER
1-876-058-
11, 12
1
3
1
3
(11, 12)
5VREG BOARD
11, 12
(11, 12)
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
6-11. PRINTED WIRING BOARDS - MAIN Section -
Ref. No. Location
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location
D302
H-4
D303
H-3
D304
C-7
D305
J-11
D309
F-2
D313
D-15
D318
B-8
D319
E-12
D320
E-13
D321
B-9
D322
H-7
D323
E-12
D325
H-8
D329
H-6
D330
G-11
D331
H-6
D332
G-13
D774
C-3
IC201
B-8
IC301
E-3
IC303
B-11
IC304
D-11
IC305
J-13
IC306
J-11
IC307
G-11
IC310
F-2
IC311
B-2
IC312
D-14
Q103
E-10
Q203
G-10
Q301
F-3
Q302
C-6
Q303
B-6
Q304
H-5
Q305
H-4
Q306
H-5
Q307
C-15
Q309
F-2
Q312
G-3
Q313
G-3
Q315
H-13
Q316
D-15
Q317
B-15
Q319
D-14
Q320
C-14
Q333
H-7
Q338
H-7
Q340
G-11
Q341
G-11
Q342
E-13
Q343
E-13
Q344
E-13
Q345
E-13
Q347
C-15
Q348
C-16
Q390
C-7
Q392
C-6
Q393
C-7
(Page
22)
(Page
34)
(Page
34)
(Page 22)
(Page 26)
(Page 24)
(Page 32)
(Page
36)
(Page 32) (Page 32)
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