Sony HCD-BX7DAB Service Manual ▷ View online
HCD-BX7DAB
33
33
HCD-BX7DAB
6-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
•
See page 42 for IC Block Diagrams.
JR218
C215
R212
R211
R452
R455
R112
R111
R479
C308
C115
R456
C309
IC309
JR106
C322
C349
D307
Q313
R443
R447
R451
CN307
CN310
Q311
R440
Q310
R402
R438
220
10V
10V
22
50V
MC2837
2SC3052FT1-LF
100k
1k
1k
2SA1365
1k
2.2k
1k
DGND
+9V
DACGND
A
AVDD5
TU-L
TU-R
78
32
31
24
23
95
18
1
2
3
100
0
1
50V
100k
100k
10k
2.2k
100k
100k
100
0.1
1
50V
2.2k
100
16V
16V
MC14052B
0
9P
RT1N141C
RDS DATA
RDS CLK
DO/STEREO
ST CLK
ST DIN
ST CE
R OUT
AGND
L OUT
+9V
NC
INH
VEE
GND
VCC
Y0
Y2
Y
Y3
Y1
B
A
X3
X0
X
X1
X2
DAB-S1DI
DAB+3.3V_ON
DAB+5V_ON
DAB7V
DAB-GND
A-GND
DAB-L
DAB-R
(4/4)
INPUT SELECT
B+ SWITCH
Q311,313
11P
AM
ANTENNA
COAXIAL
FM 75
Ω
TUNER
(FM/AM)
DAB-S1DO
C214
1
50V
R453
10k
Q312
RT1N141C
INVERTER
Q310, Q312
C114
1
50V
77
JR206
0
(Page 27)
(Page 32)
(Page 31)
HCD-BX7DAB
34
34
HCD-BX7DAB
6-18. PRINTED WIRING BOARD – AMP Board –
: Uses unleaded solder.
•
See page 21 for Circuit Boards Location.
CN320
C512
JW589
JW585
JW586
JW588
D501
JW587
C503
CN308
R541
R542
C529
C506
IC601
JW583
EP501
JW581
C511
C519
EP502
JW582
D502
JW584
JW486
C515
R544
R136
R236
R545
R504
C501
R506
C524
R514
C504
C525
C526
R508
C523
C528
R523
R502
R546
R513
R503
R507
R501
R510
C502
R505
R512
R509
R543
C527
C518
C505
R135
R235
C521
R524
R515
E
MAIN BOARD
CN309
G
MAIN BOARD
CN321
(CHASSIS)
(CHASSIS)
AMP BOARD
1-873-145-
13
(13)
A
B
C
1
2
3
4
5
6
1
5
(Page 29)
(Page 29)
HCD-BX7DAB
35
35
HCD-BX7DAB
6-19. SCHEMATIC DIAGRAM – AMP Board –
•
See page 42 for IC Block Diagrams.
C502
C503
C504
C506
C511
C512
C519
C523
C524
C525
C526
C527
C528
C529
CN308
CN320
D501
D502
EP502
IC601
R501
R502
R504
R505
R506
R507
R508
R509
R510
R512
R513
R514
R515
R541
R543
R544
R545
R546
R542
C515
C518
C521
EP501
R524
R523
C505
C501
R235
R236
R136
R135
R503
470p
47
25V
470p
47
25V
10 50V
10 50V
470
10V
10p
10p
0.0022
0.0022
470p
470p
100
35V
35V
5P
5P
RK36LF-B3
RK36LF-B3
STK433-730S
1k
47k
47k
47k
1k
470
1k
47k
470
1k
1k
1k
0
47k
47k
10k
1k
100
1/2W
1k
0.1
0.1
0.1
100p
100p
GND
L-OUT
R-OUT
+B
-B
(CHASSIS)
STBY
MONITOR
+PRE
+VCC
-VCC
-PRE
CH21 IN
CH2 NF
CH1 NF
CH1 IN
CH2 OUT-
CH2 OUT+-
CH1 OUT-
CH1 OUT+
POWER AMP
2.2k
R-IN
AGND
L-IN
STBY
MONITOR
GND
2.2k
22k
2.2k
22k
2.2k
(Page 32)
(Page 32)
HCD-BX7DAB
36
36
HCD-BX7DAB
6-20. PRINTED WIRING BOARDS – SPEAKER Section –
: Uses unleaded solder.
•
See page 21 for Circuit Boards Location.
CN317
JW505
JW501
JW502
JW506
C131
R587
C329
R590
R132
C231
R534
R531
R232
R133
R535
R533
R532
R588
R536
R538
R539
R540
C531
C581
R589
R586
R581
R233
R583
R584
R585
R582
C508
R537
CN319
Q317
C307
R253
CN313
L101
J302
C304
C387
R153
C225
C125
R475
R422
R415
R409
R478
R489
R498
R130
R129
R230
R229
C119
C122
C219
C222
C123
C223
C337
D313
Q316
R482
R348
R347
R349
R484
R460
R459
R481
Q307
R428
L201
Q347
Q348
H
MAIN BOARD
CN316
1-873-147-
13
(13)
HEADPHONE BOARD
PHONES
AUDIO IN
J301
J500
(CHASSIS)
EP511
J
MAIN BOARD
CN318
E
E
E
E
1-873-148-
13
(13)
SPEAKER BOARD
E
SPEAKER
L
R
A
K
A
(CHASSIS)
CLP311
WIRE301
1
7
1
3
M301
(FAN)
(FAN)
M
A
B
C
D
E
1
2
3
4
5
6
7
1
8
(Page 29)
(Page 29)
Ref. No. Location
D313
B-6
Q307
D-6
Q316
A-6
Q317
D-5
Q347
D-7
Q348
D-6
•
Semiconductor
Location
Location
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