DOWNLOAD Sony CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R Service Manual ↓ Size: 4.7 MB | Pages: 68 in PDF or view online for FREE

Model
CMT-BX3R CMT-BX4R HCD-BX3R HCD-BX4R
Pages
68
Size
4.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-bx3r-cmt-bx4r-hcd-bx3r-hcd-bx4r.pdf
Date
PREV: Sony CMT-DF1 / HCD-DF1 Service Manual

Sony CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R Service Manual ▷ View online

HCD-BX3R/BX4R
29
29
HCD-BX3R/BX4R
6-13. SCHEMATIC  DIAGRAM  – MAIN Section (2/4) –
•
 See page 42 for Waveforms.    
•
 See page 42 for IC Block Diagrams.    
•
 See page 45 for IC Pin Function Description.
C339
C316
C362
Q301
CN322
CN306
R466
R412
R464
R465
R313
R320
R325
R328
R319
R368
R388
R392
R304
R474
R492
R493
R327
R417
R393
R330
R329
R331
R332
R333
R334
R434
R433
R316
R369
R370
R371
R372
R375
R387
R463
R301
R302
R303
R365
R366
R367
R389
R390
R391
R491
R490
R300
R386
R486
R441
R446
R429
R430
R394
R494
R473
R381
R382
R311
C341
C342
C310
C311
C340
C386
C392
C393
D309
D310
D311
IC310
D303
L302
2.2
µH
R376
R457
R340
R338
R337
R336
R335
R432
R326
X302
X301
R385
Q309
C301
C333
C344
IC301
R495
R397 4.7k
R497
0.1
0.1
0.1
2SC3052F
4P
13P
47k
10k
10k
47k
0
47k
100
100
100
R418
0
100
100
100
100
1M
10k
10k
100
10k
100
100
100
100
100
100
100
10k
10k
0
100
100
100
100
100
100
10k
100
100
100
100
100
100
100
100
100
10k
10k
100
220k
100k
10k
10k
4.7k
4.7k
220
10k
1M
1k
1k
220k
0.1
0.1
22p
22p
0.1
0.01
220p
220p
1SS355W
1SS355W
1SS355W
PST3629NR
MC2836
5MHz
2SC3052F
4.7
16V
0.1
1000
6.3V
LCD VDD
DGND
DACGND
+9V
+9V
DACGND
+9V
DACGND
LCD VDD
A
ACDET
A
A
35
36
37
8
0
81
82
87
92
93
44
38
40
6
7
6
6
6
5
6
8
7
0
7
1
7
2
6
9
7
5
7
6
89
88
90
91
86
2
9
3
0
2
7
2
6
2
5
1
9
4
94
6
3
93
92
1
2
3
2
8
5
6
4
27
94
26
25
30
29
28
100
100
4.7k
100
100
100
100
100
4.7k
100
0
0
DGND
KEY1
KEY2
KEY0 RETURN
SIRCS
BACK LIGHT
BACK LIGHT 9V
EVER 3.3V
LCD DATA
LCD CLOCK
LCD VDD
POWER ON
STBY LED
KEY0
KEY0 RETURN
USB/BT LED
DGND
S
IR
C
S
B
Y
T
E
X
C
IN
X
C
O
U
T
R
E
S
E
T
X
O
U
T
X
IN
N
M
I
A
C
 C
U
T
SPEC IN
VREF
R
D
S
 IN
T
S
BS
Y
USB TXD
USB RXD
USB CTS
USB RTS
NC
NC
NC
N
C
L
C
D
 C
LK
S
T C
L
K
S
T D
A
T
A
 O
U
T
N
C
N
C
D
A
B
-P
O
W
ER
 3.3V
D
A
B
-PO
W
ER
 5
V
L
C
D
 B
A
C
K
 L
IG
T
H
T L
E
D
S
TA
N
D
B
Y
 L
ED
S
TB
Y
-R
E
LA
Y
NC
NC
USB RESET
NC
N
C
N
C
N
C
C
D
 B
U
S
3
C
D
 B
U
S
2
C
D
 B
U
S
1
C
D
 B
U
S
0
M
P
3 IR
E
Q
C
D
 O
N
C
D
 X
R
S
T
C
D
 D
R
IV
E
 M
U
T
E
C
D
 C
L
K
U
S
B
 P
O
W
E
R
S
E
L
 IN
H
SE
L
 A
S
E
L
 B
AMP DATA
TA LINE
-MUTE
AMP CLOCK
NC
NC
I-POWER MONITOR
STK-ON
CDM LOAD OUT
CDM LOAD IN
CDM SW(OPEN)
CDM SW(CLOSE)
RDS DATA
ST CE
NC
N
C
N
C
N
C
D
A
T
A
N
C
N
C
C
D
 C
C
E
K
EY
 W
AK
E U
P
_
D
IS
P
L
A
Y
K
E
Y
 W
A
K
E
 U
P
_
P
O
W
E
R
MODEL-IN
BT DOUT
BT DIN
BT_RTS
B
T
_
A
V
_
R
O
L
E
B
T
_
R
ES
E
T
B
T
 A
U
D
IO
 O
U
T
 M
U
T
E
B
T C
T
S
B
T
 PO
W
E
R
KEY0
KEY1
KEY2
PULL UP
PULL DOWN
U
S
B
/B
T
 L
ED
DEC BUS SEL1
DEC BUS SEL2
NC
S
T D
A
T
A
 IN
/S
TE
R
E
O
L
CD
AVSS
AVCC
C
N
 V
S
S
V
S
S
V
C
C
V
S
S
V
C
C
(2/4)
SYSTEM CONTROLLER
VOLTAGE DETECT
AC DETECT
32.768kHz
RESET
SWITCH
OUT
VDD
GND
CD
NC
M3062LFGPFP-702
220(BX3R: RU)
470(EXCEPT BX3R: RU) 
R309
10k
24
21
22
23
(Page 28)
(Page 31)
(Page
30)
(Page 37)
(Page 37)
Ver. 1.1
HCD-BX3R/BX4R
30
30
HCD-BX3R/BX4R
6-14. SCHEMATIC  DIAGRAM  – MAIN Section (3/4) –
•
 See page 42 for IC Block Diagrams.
R454
R444
R117
R217
R445
R442
Q333
Q338
C350
R421
Q343
C351
R205
R206
R106
R105
Q340
CN309
R450
R449
D329
C302
C305
Q305
C303
CN318
Q344
R431
R461
D320
R435
R436
D322
D319
R209
R109
R110
R210
D332
R118
R218
EP301
R439
R425
R305
R341
R469
R496
R470
R471
R227
R345
C124
C224
C352
C353
C363
C369
R448
R427
R416
R458
Q342
CN316
Q341
CN321
R411
R410
R413
Q306
R404
R407
Q304
R414
D324
C371
C375
C142
C143
C368
C242
C243
D323
D330
R419
R420
D331
D315
D314
D308
D312
CN303
Q315
C112
C212
C211
C206
C106
C111
IC304
JR201
JR101
D335
D336
EP302
Q103
Q203
R101
R406
C372
R403
D302
C113
C108
C107
C207
C208
C213
C367
C216
C116
R201
2.2k
2.2k
C394
C336
C377
C379
47k
47k
47k
47k
10k
10k
RT1N141C-TP-1
RT1N141C-TP-1
10
50V
10k
2SC3052F
100
16V
22k
22k
22k
22k
RT1N141C-TP-1
5P
2.2
2.2
1SS355WTE-17
0.1
0.01
2SC3052F
100
16V
7P
2SC3052F
47k
47k
MC2838
2.2k
22k
MC2836
MC2837
4.7k
4.7k
47k
47k
MC2836
4.7k
4.7k
47k
100k
47
47
100k
100k
100k
10k
22k
47k
2.2
50V
2.2
50V
2200
35V
2200
35V
2200
25V
1000
10V
4.7k
22k
47k
47k
2SA1235TP-1EF
8P
RT1P441C
5P
4.7k
100k
47k
2SC3052F
1k
10k
2SA1235EF
47
MC2836
0.068
0.068
0.047
0.01
0.1
0.047
0.01
1SS355W
1SS355W
47k
47k
1N4002-B5
2SC3052F
R2S15904SP
DTC343TK
DTC343TK
220k
1k
UDZW-TE17-3.6B
1
50V
1
50V
1
50V
1
50V
1
50V
1
50V
10
50V
4.7
50V
4.7
50V
2.2
50V
22
50V
0.068
0.068
DACGND
LCD VDD
+9V
ACDET
A
CD-L
CD-R
TU-R
TU-L
82
81
87
80
86
28
1N4002
1N4002
1N4002
1N4002
470p
470p
470p
470p
470p
470p
0
0
MC2837
MC2837
2200
16V
RELAY
GND
ACDET
+B
-B
PROTECT
UNREG
UNREG GND
SUB GND
UNREG SUB
INR3
INR2
INR1
INL1
INL2
INL3
INL4
IGOUTL
VOLINL
IGOUTR
VOLINR
NC
NC
TREL
TRER
DGND
CLK
DATA
REFIN
AGND
ROUT
LOUT
INR4
BASL2
BASL1
BASR2
BASR1
HP-L
HP-R
HPGND
SP-L
SP-R
AUDIO-IN R
GND
AUDIO-IN L
VCC
SP-R
GND
SP-L
GND
FAN GND
FAN 9V
L-IN
R-IN
AGND
STBY
MONITOR
R-OUT
L-OUT
+B
GND
-B
USB UNREG
USB UNREG
PROTECT
(3/4)
(CHASSIS)
12P
CN312
6P
IC306_I
IC306_G
IC305_I
IC305_G
IC305_O
Q342-344
DC DETECT
Q304-306
RELAY DRIVE
Q333,338
PROTECT DETECT
Q340,341
MUTING CONTROL
Q103,203
MUTING
INPUT SELECTOR,
ELECTRICAL VOLUME
(BX3R: RU)
+5V REGULATOR
(BX3R: RU)
(BX3R: RU)
(BX3R: RU)
(BX3R: E2, E51)
(BX3R: MX, AR, RU/BX4R)
AMP
BOARD
CN308
E
AMP
BOARD
CN320
G
HEADPHONE
BOARD
CN317
H
SPEAKER
BOARD
CN319
J
POWER
BOARD
CN904
K1
POWER
BOARD
CN904
K2
5V REGULATOR
BOARD
CN324
L
REGULATOR
BOARD
CN314
M
MAIN
BOARD
(2/4)
3
MAIN
BOARD
(4/4)
5
MAIN
BOARD
(1/4)
2
(Page 29)
(Page 28)
(Page 31)
(Page 26)
(Page 26)
(Page 39)
(Page 35)
(Page 35)
(Page 33)
(Page 33)
(Page 41)
Ver. 1.1
HCD-BX3R/BX4R
31
31
HCD-BX3R/BX4R
6-15. SCHEMATIC  DIAGRAM  – MAIN Section (4/4) –
C322
C349
D307
Q313
R443
R447
R451
CN310
Q311
R440
JR207
R402
R438
220
10V
22
50V
MC2837
2SC3052FT1-LF
100k
1k
1k
2SA1365
1k
2.2k
1k
+9V
DACGND
A
TU-R
TU-L
1
2
3
100
0
JR107
0
DO/STEREO
ST CLK
ST DIN
ST CE
R OUT
AGND
L OUT
+9V
NC
(4/4)
B+ SWITCH
Q311,313
AM
ANTENNA
COAXIAL
FM 75
Ω
TUNER
(FM/AM)
 9P
(Page 30)
(Page 29)
HCD-BX3R/BX4R
32
32
HCD-BX3R/BX4R
6-16. 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
C510
C509
E
MAIN BOARD
CN309
G
MAIN BOARD
CN321
(CHASSIS)
(CHASSIS)
AMP BOARD
1-873-145-
23
(23)
13
(13)
A
B
C
1
2
3
4
5
6
1
5
(EXCEPT BX3R: RU)
(EXCEPT BX3R: RU)
(BX3R: RU)
(BX3R: RU)
(BX3R: RU)
(BX3R: RU)
(BX3R: E2, E51)
BX3R: MX,
AR, RU/BX4R
(Page 27)
(Page 27)
Ver. 1.1
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