Sony HCD-BX77DBI Service Manual ▷ View online
HCD-BX77DBi
HCD-BX77DBi
25
25
5-10. SCHEMATIC DIAGRAM - IP Board -
• See page 22 for Waveforms. • See page 36 for IC Block Diagrams. • See page 38 for IC Pin Function Description.
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 29)
Note: Refer to supplement-1 for the set of the following
serial No. or larger.
AEP model : Serial No. 5100859 or larger
UK model : Serial No. 6123118 or larger
Ver. 1.1
HCD-BX77DBi
HCD-BX77DBi
26
26
JW217
CN321
CN303
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
JW480
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
R253
D318
L101
C379
JW359
J302
C351
CN312
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
CN306
JW384
JW389
CN316
L201
JW478
JW307
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
CN322
JW382
JW427
JW426
JW390
JW383
JW378
JW392
JW421
JW422
R308
R312
JW409
JW41
1
JW414
JW380
C391
CN325
JW338
JW413
JW391
JW381
CN301
JW477
JW467
JW346
JW447
JW355
JW362
JW352
JW356
C324
Q390
JW461
JW318
JW31
1
JW462
JW448
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
JR318
JR319
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
JR335
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
JR301
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
JR307
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
JR219
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
JR306
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
JR323
R356
R364
R396
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-
12
1
3
1
3
(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-
12
1
3
1
3
(12)
5VREG BOARD
12
(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
(Page
20)
(Page
32)
(Page
32)
(Page 20)
(Page 22)
(Page 24)
(Page 30)
(Page 30)
(Page
34)
(Page 30)
5-11. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
• See page 19 for Circuit Boards Location.
HCD-BX77DBi
HCD-BX77DBi
27
27
5-12. SCHEMATIC DIAGRAM - MAIN Section (1/3) -
• See page 36 for IC Block Diagrams.
R315
CN309
R209
C371
C375
R217
C116
C216
R128
R228
C369
C368
C367
IC304
Q203
R234
R134
R227
Q103
Q341
R345
C208
C132
C111
C232
C211
R225
C230
C130
C213
C113
R226
R126
R125
C203
C103
C202
C102
C201
C101
R124 R224
C391
C361
C355
Q392
R344
R364
Q303
Q302
R308
R396
Q393
R317
R356
C324
D304
C319
D330
C104 C204
R219
R221
C389
C382
C395
R220
C1
14
C120
R121
R120
R453
R361
R360
R359
Q340
C108
R307
JR214
JR219
JR213
JR211
JR223
JR222
JR221
R203
R103
R102
R202
IC312
R312
R314
R117
R109
C379
C377
JR201
JR101
R119
C348
Q390
R101
R201
2.2k
2.2k
Q319
CN305
C330
C217
C117
C394
C214
C220
R362
Q320
100k
7P
4.7k
0.1
0.1
47k
4.7
50V
50V
4.7
50V
50V
1k
1k
10
16V
0.1
470
16V
16V
BD3499FV
2SC5938
4.7k
4.7k
22k
2SC5938
RT1P441C
47k
2.2
50V
50V
0.0022
0.0047
0.0022
0.0047
22k
470p
470p
470p
470p
22k
22k
22k
1
1
1
50V
1
50V
1
1
22k
22k
470 10V
0.1
0.1
KTC3203Y-A
100
100
RT1P441C
RT1N141C
47
22k
ISA1235
AC1TP
47k
47k
100
16V
16V
UDZW-TE17-
3.9B
220
10V
MA2J1110GLS0
1
1
100K
100K
100
16V
16V
0.1
2.2
50V
50V
100K
1
50V
1
50V
100K
100K
100
2.2K
10K
10K
RT1N141C
-TP-1
2.2
50V
50V
1k
0
0
0
0
0
0
0
47k
47k
4.7k
4.7k
MC14052BDTR2
47
47
47k
4.7k
0.1
0.1
0
0
100K
0.1
KTC3205Y-A
RT1N141C-TP-1
21P
0.1
470P
470P
2.2
50V
1
50V
1
50V
2.2K
RT1N141C-TP-1
A1
A2
A3
A4
A6
A8
A10
A9
C1
C2
C3
C4
C5
C6
C7
1
2
3
TUNER/DAB
TUNER/DAB
CD/USB_L
CD/USB_R
TUNER_R
TUNER_L
59
39
66
40
22
24
68
69
70
23
53
57
60
19
CD/USB_L
CD/USB_R
AIN_L
AIN_R
TUNER/DAB
TUNER/DAB
IPOD_L
IPOD_R
100
L-IN
R-IN
AGND
STBY
±PRE
INH
VEE
GND
VCC
Y0
Y2
Y
Y3
Y1
B
A
X3
X0
X
X1
X2
NC
MNT
AVDD(3.3V)
CD DRIVE MUTE
MGND
VM(7V)
DVDD(3.3V)
D-OUT
DGND
SBSY
REQ
BUCK
BUS3
BUS2
BUS1
BUS0
AGND
L-OUT
DACGND
R-OUT
CCE
RST
(1/3)
ELECTRICAL VOLUME,
SURROUND/
TONE CONTROL
MUTING
CONTROL
Q340,341
SWITCH
MUTING
MUTING
VOLTAGE
DETECT
INPUT SELECTOR
Q302,303,390,392
ZDET/LRCKIN
INPUT SELECTOR,
INVERTER
INVERTER
REGULATOR
+3.3V
(Page 21)
(Page 28)
(Page 29)
(Page 29)
(Page 31)
HCD-BX77DBi
HCD-BX77DBi
28
28
5-13. SCHEMATIC DIAGRAM - MAIN Section (2/3) -
• See page 22 for Waveforms. • See page 36 for IC Block Diagrams. • See page 38 for IC Pin Function Description.
IC301
D318
D321
CN322
R408
R301
R462
C338
C364
R472
R477
C366
R467
R468
IC311
C339
C342
R466
R465
D309
C341
C340
C301
IC310
D323
R430
R429
R424
R422
R726
R728
R727
R725
R724
R722
R720
R719
R464
R717
R716
C316
R713
R412
C310
C311
C333
R709
R71
1
R706
R705
R704
R703
R702
R701
C499
JR498
R700
R792
R793
R791
R789
R781
R782
R783
R784
R785
R492
R493
R494
C498
R786
R487
R488
D774
R780
R778
R777
R774
R766
C766
R485
C362
R760
R759
R757
R748
R747
R746
R741
R734
R733
R732
R731
CN301
CN311
CN306
R473
R773
R433
R432
X301
Q309
R611
R511
R600
R500
C344
S001
CN310
Q301
R407
X302
R770
R769
R768
R5F3640DDFAR
1N4002-B5
1N4002-B5
4P
2.2k
5.6k
1k
0.1
10 50V
1k
1k
0.1
4.7k
4.7k
BA6956AN
0.1
0.1
47k
47k
MA2J1
110GLS0
0.1
0.1
4.7
50V
PST3628NR
1N4002-B5
4.7k
4.7k
4.7k
4.7k
100
100
100
100
100
100
47k
100
10k
10k
0
0.1
0
10k
22p
22p
0.1
10k
220k
100
100
100
100
100
100
0.1
0
100
100
100
100
1k
100
100
100
100
100
10k
10k
10k
0.1
10k
10k
MC2836
100
100
100
1M
220k
0.01
100k
0.1
100
100
100
R753
100
R752
100
R751
100
100
100
10k
10k
100
100
100
100
9P
5P
CN001
5P
13P
10K
100
4.7K
4.7K
32.768KHz
2SC3052F
4.7k
4.7k
22k
22k
0.22F
5.5V
11P
2SC3052F
0
5MHz
100
100
100
A1
A2
A3
A4
A6
A8
A9
A10
B1
B2
B3
B4
B11
B10
B9
B8
B6
B5
77
78
92
93
40
68
69
70
88
89
100
4
19
R718
100
18
91
4
39
TUNER_L
TUNER_R
48
1
2
3
6
6
R707
100
7
22
24
25
25
26
26
27
27
7
18
28
28
43
83
82
81
80
59
89
88
85
85
66
53
52
51
47
57
60
93
91
92
84
87
87
90
90
84
83
82
81
73
5
31
34
33
32
9
12
5
9
12
23
94
VC
O+
O-
VM
VCC
I+
I-
GND
GND
DGND
KEY3
KEY2
KEY1 RETURN
SIRCS
EVER 3.3V
STBY LED
DGND
FL DATA
FL CLOCK
FL GND
4V
FL CS
KEY1
KEY1 RETURN
GND
RXD
BUSY
VDD
SCLK
TXD
PGM
RST
GND
DO/STEREO
RDS DA
T
A
RDS CLK
ST
CLK
ST
DIN
TUNED
AGND
R OUT
+9V
L OUT
ST
CE
CLOSE SW
OPEN SW
DGND
CLOSE
OPEN
SPEC IN
VREF
CDM LOAD OUT
CDM LOAD IN
CDM SW(OPEN)
CDM SW(CLOSE)
FL SCLK
FL CS
FL SD
STANDBY LED
KEY3
KEY2
KEY1
FL RESET
NC
NC
SIRCS
BYTE
XCIN
XCOUT
RESET
XOUT
XIN
NMI
AC CUT
RDS INT
SBSY
ST
CLK
ST
DA
T
A
OUT
CD BUS2
CD BUS1
CD BUS0
RDS DA
T
A
ST
CE
DA
T
A
IN/STEREO
DA
T
A
TUNER TUNED
IIC CLK
IIC
AMP
DA
T
A
AMP
CLOCK
T
A
LINE MUTE
STBY
-RELA
Y
NC
DAB RXD
USB RTS
SEL A
DAB TXD
BT DOUT
BT DIN
BT_RTS
PULL UP
PULL DOWN
BT AUDIO OUT MUTE
BT CTS
USB TXD
USB RXD
BT_AV_ROLE
BT_RESET
INH
NC
NC
NC
NC
USB CTS
NC
USB RESET
I-POWER MONIT
OR
STK-ON
CD RESET
USB POWER
NC
NC
NC
MODEL
IN
CLINK_TX_DOUT
CLINK_RX_DIN
DMPOR
T
POWER
CD ON
CD DRIVER MUTE
MP3 IREQ
CD CCE
CD CLK
DEC BUS SEL
NC
NC
KEY
W
AKE UP
1.2V
NC
DAB-POWER
3.3V
NC
NC
DAB-POWER
BUS3
CD
(2/3)
4.7k
SYSTEM CONTROLLER
RESET SIGNAL
GENERATOR
RESET SWITCH
LOADING
MOTOR DRIVE
TUNER (FM/AM)
SUPPLIED WITH THE
AM
FM 75
:
COAXIAL
ANTENNA
FL RESET
+9V
DISC TRAY
OPEN/CLOSE
DETECT
M001
(LOADING)
ASSEMBLED BLOCK
AC DETECT
VCC
VSS
CN VSS
AVCC
AVSS
X5V FLAG
VSS
VCC
(BX20i)
(NC)
(Page 33)
(Page 33)
(Page 29)
(Page 27)
Click on the first or last page to see other HCD-BX77DBI service manuals if exist.