Sony CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R Service Manual ▷ View online
HCD-BX3R/BX4R
25
25
HCD-BX3R/BX4R
6-8. SCHEMATIC DIAGRAM – USB Board –
•
See page 42 for Waveforms.
•
See page 42 for IC Block Diagrams.
•
See page 45 for IC Pin Function Description.
R970
R971
R972
R973
R974
R975
R976
R977
R979
R978
R932
R982
R984
RB922
RB921
RB923
RB924
C907
C906
C921
R901
C901
R937
R983
C902
JR902
C903
C922
R907
R906
R905
R904
R903
R902
R917
R915
R913
C908
R919
C909
R916
C910
C912
R944
R943
R942
R941
C905
C904
R933
R934
R938
C915
C913
C914
R981
R922
R924
R923
R921
IC921
CN904
R926
R925
C920
IC915
C916
R920
CN907
CN902
EP901
CN908
FB901
C930
D905
D902
C918
C917
IC901
R928
D901
X901
R950
100
100
100
100
100
100
100
100
100
100
100
100
100
47
47
47
47
0.1
0.1
0.1
10k
0.1
100
100
10
16V
0
10
16V
0.1
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0
10k
100k
0.1
100
22p
0
22p
10p
100k
100k
100k
100k
0.1
10
16V
0
R945 4.7k
R947 4.7k
10k
100
0.1
0.1
0.1
100
R985
100
R986
100
100k
27
27
100k
IS61LV6416-10T
7P
15k
15k
0.1
R5523N001BTR-F
0.1
10k
21P
4P
2P
0.1
0
9MHz
4.7k
A
1
3
A
1
4
A
1
5
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
R
D
W
R
L
B
U
B
S
R
A
M
-C
S
A8
A9
A10
D7
D4
D5
D6
WR
D0
D1
D2
D3
SRAM-CS
A11
A12
A13
A14
A15
LB
UB
RD
A7
A8
A9
A10
A11
A12
A4
A5
A6
D12
D13
D14
D15
A4
A5
A6
D8
D9
D10
D11
D12
D13
D14
D15
B
U
S
0
B
U
S
1
B
U
S
2
B
U
S
3
B
U
C
K
C
C
E
USB-SI
USB-SO
DO
DATA
CLOCK
U
S
B
-R
S
T
L
R
C
K
BCK
REQ
ST-REQ
A-IN
GATE
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DO
DI
USB-SO
USB-SI
DATA
CLOCK
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
D
I
A7
A16
A
1
6
A1
A2
A3
A1
A2
A3
D11
D10
D9
D8
BOOT
AMO
TXD1
RXD1
R
E
S
E
T
BOOT
AM0
TXD1
RXD1
RESET
EN
FLG
EN
FLG
MC2837
MC2837
10
220
6.3V
TMP92CD28AFG-2CB4
MC2837
D+
D-
AM0
DVSS
DVSS
R
V
OU
T1
R
VIN
R
V
IN
R
VO
U
T2
DVSS
DVSS
D
V
SS
AM
1
X2
D
VSS
X
1
VBUS-5V
DVDD3.3V
DVSS
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
VBUS-GND
BOOT
RESET
RXD1
TXD1
DVSS
VCC
AM0
CLK
DATA
USB-SI(RXD)
USB-SO(TXD)
DI(CTS)
USB-SO(TXD)
NC
A6
A5
A4
A3
NC
I/O8
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
A2
A1
A0
I/O9
NC
A7
A8
A9
A10
I/O7
I/O6
I/O5
I/O4
GND
VDD
I/O3
I/O2
I/O1
I/O0
A11
A12
A13
A14
A15
WE
CE
LB
UB
OE
A
13
GND
D+
D-
VBUS
(CHASSIS)
EN
GND
OUT
IN
FLG
(USB)
(NC)
S-RAM
VBUS POWER ON/OFF SWITCH
A12
A11
A10
A9
A8
DVCC
A7
A6
A5
A4
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
DVCC
D
7
D
6
D
5
D
4
D3
S2
D1
D0
D
V
SS
D
V
CC
D
VCC
D
VS
S
N
O
U
SE
N
O U
SE
NO
US
E
DVCC
G
-3
N
O U
SE
NO
USE
D
I
G-2
G-1
ST-REQ
REQ
DVCC
GATE
DATA
BCK
SCL
SDA
NO USE
RXD1
TXD1
CLOCK
DATA
DO
NO USE
USBPON
USBOC
DVCC
BOO
T
N
O
U
SE
SRLU
B
SRL
LB
R
D
W
R
CS2
D
VC
C
N
O
US
E
/C
CE
/B
U
CK
B
U
S3
BU
S2
B
U
S1
B
U
S0
A
16
A
15
A
14
USB CONTROLLER
LR
CK
/R
ESET
0
FB902
0
L901
(Page 28)
(Page 26)
HCD-BX3R/BX4R
26
26
HCD-BX3R/BX4R
6-9. PRINTED WIRING BOARDS – REGULATOR Section –
: Uses unleaded solder.
•
See page 21 for Circuit Boards Location.
6-10. SCHEMATIC DIAGRAM – REGULATOR Section –
CN315
CN324
CN314
IC305
IC306
C325
D305
C335
C380
C373
R437
R424
1-873-146-
5V REGULATOR BOARD
M
MAIN BOARD
CN312
L
MAIN BOARD
CN312
REGULATOR BOARD
1-873-951-
D
USB BOARD
CN908
3
1
3
1
3
1
3
1
2
1
A
B
1
2
3
(BX3R: E2, E51)
13
(13)
23
(23)
(BX3R: E2, E51)
13
(13)
23
(23)
BX3R: MX,
AR, RU/BX4R
BX3R: MX,
AR, RU/BX4R
C335
CN314
IC305
C380
C373
CN315
R424
D305
CN324
IC306
R437
C325
0.1
100
16V
16V
3P
1
0.1
2P
470
1N4002
3P
KIA7805
10
VBUS-5V
VBUS-GND
G
G
I
I
O
O
+9V REGULATOR
IC305_O
IC305_G
IC305_I
IC306_G
IC306_I
+5.4V REGULATOR
KIA7809
(Page 24)
(Page 27)
(Page 27)
(Page 30)
(Page 30)
(Page 25)
Ver. 1.1
HCD-BX3R/BX4R
27
27
HCD-BX3R/BX4R
6-11. PRINTED WIRING BOARD – MAIN Board –
: Uses unleaded solder.
•
See page 21 for Circuit Boards Location.
EP303
JW
395
JW
46
0
C324
JW343
JW342
JW
326
JW
360
D314
JW
478
JW413
X301
JW325
JW411
JW
417
C113
Q392
Q391
R312
JW
425
JW410
JW
329
JW409
JW
437
JW387
CN312
JW373
JW394
JW
383
C208
JW
354
CN322
JW386
JW
306
JW
339
CN305
JW397
JW388
JW461
JW
479
JW422
JW344
JW
340
JW
348
JW367
JW357
JW
444
JW341
JW
335
CN306
JW374
JW
349
JW352
JW
419
JW
308
JW
311
JW
456
R308
JW322
JW359
JW
363
JW
356
JW
338
JW399
JW
3
14
JW
389
JW345
JW
446
JW
4
87
JW
429
JW
4
62
JW381
JW358
JW375
JW
435
JW
391
JW473
JW
309
JW477
JW384
JW
3
18
JW
304
JW
353
JW400
JW320
JW
392
JW
380
JW378
JW
404
JW458
JW403
JW
4
26
JW379
JW
327
JW371
JW441
JW
4
34
JW
432
JW
421
R314
C350
JW
398
X302
C344
JW301
C364
CN311
IC311
C319
CN318
CN316
C349
CN321
CN303
C369
JW
351
JW
420
JW
43
9
D
321
C372
C36
3
C352
C353
CN304
JW
42
4
JW372
JW
361
JW463
JW
443
C207
C108
C107
C116
C367
C216
C301
C224
C213
C124
JW369
JW
445
C371
C377
C379
JW
305
Q390
C322
JW465
JW
475
JW
43
6
JW
466
D315
D312
D331
JW
328
JW
416
JW459
JW
390
JW
504
JW393
JW303
JW321
JW
442
JW370
JW396
JW319
C391
JW
310
JW
415
D318
JW401
D308
JW
350
CN
310
JW
365
JW368
JW
431
JW423
JW
414
JW
433
JW
347
JW
337
JW
455
JW
334
JW
470
JW408
JW
336
JW
503
JW
3
55
C375
JW484
EP302
JW376
JW
42
7
JW
454
L302
JW
307
JW474
JW346
JW
480
C336
C303
JW
430
JW
468
JW377
C351
JW302
JW
471
JW
428
JW
472
JW
418
JW
476
JW457
JW483
JW
46
7
L301
JW412
JW
453
EP301
JW
490
C394
CN309
JW485
JW
4
40
C320
IC301
C357
JR211
R432
R495
JR207
JR214
JR219
JR213
JR107
D
332
JR
301
Q314
Q318
R
103
R203
R109
R110
R209
R210
JR486
Q
393
R305
R
381
C302
D309
C361
C242
R
34
4
R322
R
310
R315
R307
R306
R317
R321
D304
Q
303
JR494
D324
JR303
JR478
JR485
IC310
R218
JR304
JR470
JR305
JR481
JR469
JR479
C
311
JR475
JR421
JR492
JR491
R102
JR212
R301
R302
R303
R
304
R309
R311
R313
R418
R316
R417
R319
R320
R325
R326
R3
27
R328
R329
R330
R429
R430
R
331
R
332
R
333
R
334
R335
R
336
R
337
R
338
R339
R
340
R
43
3
R434
R441
JR201
JR101
JR483
R446
R457
R365
R366
R367
R368
R369
R370
R371
R372
R473
R474
R375
D
310
D
311
R
385
R386
R388
R389
R390
R391
R392
R393
R394
R490
R491
R491
R492
R493
R494
R397
R
486
R497
R300
C333
C310
C346
R412
Q309
C316
JR482
R466
R465
C340
C342
C341
R464
R472
R477
R467
R468
R
408
R
462
R
426
R205
R
206
R105
R106
R387
IC304
JR474
Q333
R
425
R118
C142
C354
JR484
C368
R442
C243
R444
R445
R454
Q103
Q203
Q340
Q
341
R
101
R201
R345
R227
C339
C386
JR472
Q313
Q311
R414
R
407
R
406
C305
Q305
C106
Q306
R404
JR476
JR489
JR495
C
355
JR422
C35
6
JR505
C330
JR302
R463
Q301
R376
JR
500
JR480
C143
R403
D320
R
419
R
413
R411
R410
Q
302
JR490
C206
R202
Q344
C348
C347
D306
C362
Q321
IC322
IC321
R450
R449
Q315
D
322
R
448
R
427
R416
Q338
R
439
R
461
R423
R217
R117
R
436
R
435
R421
R
420
Q343
Q342
R458
R34
1
D319
R
496
R
471
R470
R
469
D303
D329
R431
D302
IC323
Q304
D307
R402
R438
R
440
R443
R447
R451
D323
C393
D335
R
382
C392
D330
C112
C212
D
336
C211
C111
C366
C338
JR493
8
9
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
3
5
4
E
MAIN BOARD
1-873-144-
L
5V REGULATOR
BOARD
CN324
B
USB BOARD
CN907
A
CD BOARD
CN202
C
FRONT PANEL
BOARD
N
TOP PANEL
BOARD
CN802
P
MOTOR BOARD
CN001
G
AMP
BOARD
CN320
E
AMP
BOARD
CN308
J
SPEAKER
BOARD
CN319
H
HEADPHONE
BOARD
CN317
(CHASSIS)
(CHASSIS)
(CHASSIS)
M
REGULATOR
BOARD
C314
1
7
1
8
1
5
K
K
A
K
A
A
A
K
A/K
A
K
K
A
K
A/K
(BX3R: RU)
(BX3R: RU)
(BX3R: RU)
TUNER
(FM/AM)
FM 75
Ω
COAXIAL
ANTENNA
AM
A
A/K
K
(BX3R: RU)
1
2
26
27
A
K
K
A
K
K
A
K
A/K
(BX3R: RU)
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
1
12
1
6
21
1
20
2
(BX3R: RU)
1
4
K2
POWER
BOARD
CN904
K1
POWER
BOARD
CN904
(BX3R: RU)
(BX3R: RU)
(BX3R: E2, E51)
(BX3R: MX, AR, RU/BX4R)
(BX3R: E2, E51)
23
(23)
13
(13)
BX3R: MX,
AR, RU/BX4R
(Page 34)
(Page 34) (Page 32)
(Page 32)
(Page 38)
(Page 26)
(Page 26)
(Page 40)
(Page 22)
(Page 24)
(Page 36)
(Page 36)
(Page 22)
•
Semiconductor
Location
Location
Ref. No. Location
D302
D-6
D303
D-6
D304
E-11
D306
F-9
D307
E-3
D308
B-9
D309
J-6
D310
G-9
D311
G-9
D312
A-9
D314
A-9
D315
B-9
D318
D-9
D319
D-5
D320
C-4
D321
D-10
D322
D-4
D323
F-7
D324
C-4
D329
D-6
D330
H-5
D331
C-9
D332
C-9
D335
A-11
D336
D-10
IC301
I-9
IC304
G-7
IC310
I-6
IC311
I-3
IC321
F-10
IC322
I-11
IC323
J-11
Q103
D-4
Q203
D-3
Q301
J-4
Q302
F-10
Q303
F-11
Q304
D-7
Q305
D-5
Q306
D-6
Q309
J-6
Q311
E-4
Q313
E-3
Q314
E-10
Q315
D-6
Q318
E-10
Q321
I-11
Q333
D-5
Q338
D-5
Q340
G-5
Q341
G-5
Q342
D-4
Q343
D-5
Q344
D-4
Q390
E-11
Q391
E-11
Q392
F-11
Q393
E-10
Ver. 1.1
HCD-BX3R/BX4R
28
28
HCD-BX3R/BX4R
6-12. SCHEMATIC DIAGRAM – MAIN Section (1/4) –
•
See page 42 for IC Block Diagrams.
R202
R102
CN311
Q302
R312
C319
R322
C355
R307
R314
R308
R315
R317
R306
R321
C361
R344
R103
R203
C324
R408
R462
R467
R468
R472
R477
R426
C364
D304
C338
C366
Q392
Q390
C330
Q303
C348
D321
D318
Q393
IC311
Q321
R339
R423
Q391
Q318
Q314
C356
R310
CN305
CN304
L301
D306
C346
C354
C347
IC321
IC322
IC323
C391
4.7k
4.7k
5P
RT1N141C-TP-1
47
220
10V
10V
100
0.1
1k
47
47
100k
47k
22k
47k
0.1
100
47k
47k
100
10V
10V
2.2k
1k
4.7k
4.7k
1k
1k
10k
10
50V
UDZW-TE17-3.9B
0.1
0.1
KTC3203Y-A
KTC3205Y-A
0.1
RT1P441C
0.1
1N4002-B5
1N4002-B5
2SA1235TP-
BA6956AN
470
10V
10V
LCD VDD
DGND
DACGND
+9V
A
CD-L
CD-R
19
72
LRCK
A-IN
BCK
ST-REQ
GATE
35
36
GATE
ST-REQ
38
37
CLK
DATA
A-IN
BCK
40
LRCK
4
4
6
5
6
6
6
7
6
8
6
9
BUS2
B
U
S
2
B
U
S
3
BUS3
BUS2-1
B
U
S
2
-1
BUS3-1
B
U
S
3
-1
REQ-1
REQ-1
REQ
R
E
Q
BUS1
B
U
S
1
BUS0
B
U
S
0
CCE
C
C
E
BUCK
B
U
C
K
6
3
7
5
CCE-1
C
C
E
-1
BUCK-1
B
U
C
K
-1
BUS1-1
B
U
S
1
-1
BUS0-1
B
U
S
0
-1
8
6
8
8
8
9
71
7
6
7
0
9
1
9
0
RT1N141C
10k
100
KTC3203Y-A
RT1N141C
RT1P441C
0.1
100
21P
1SS355W
0.1
0.1
0.1
TC74HC4066AFT
TC74HC4066AFT
TC74VHC157FT
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DVDD+3.3V
DVSS
ST-REQ
REQ
GATE
A-IN
BCK
VC
C
1
C
4
C
4
A
4
B
3
B
3
A
1
A
1
B
2
B
2
A
2
C
3
C
G
N
D
USB-RST
V
C
O
+
O
-
V
M
V
CC
I+
I-
G
N
D
G
N
D
VC
C
1
C
4
C
4A
4
B
3
B
3
A
1
A
1
B
2
B
2A
2
C
3
C
G
N
D
DO(RTS)
DI(CTS)
USB-SO(TXD)
DATA
CLK
USB-SI(RXD)
GATE
ST_REQ
CLK
DATA
DATA
CLK
A-IN
LRCK-IN
M-GND
VM+7V
DVDD+3.3V
D-OUT
D-GND
SBSY
REQ
BUCK
BUS3
BUS2
BUS1
BUS0
A-GND
L-OUT
DAC-GND
R-OUT
AVDD+3.3V
CCE
CD-RST
CLOSE SW
OPEN SW
DGND
CLOSE
OPEN
A
/B
1
A
1
B
1
Y
2
A
2
B
2
Y
G
N
D
V
C
C
G
4
A
4
B
4
Y
3
A
3
B
3
Y
(1/4)
LOADING MOTOR DRIVE
VOLTAGE DETECT
INVERTER
BUS SWITCH
BUS SWITCH
DATA SELECTOR
Q314,318,391
+3.3V REGULATOR
+3.3V REGULATOR
Q302,303,390,392
M MUTE
BCK-IN
27P
C320 100k
M001
CN001
S001
5P
OPEN SW
CLOSE SW
OPEN
CLOSE
(LOADING)
DGND
CLOSE
OPEN
CD TRAY
OPEN/CLOSE
DETECT
MAIN
BOARD
(2/4)
1
MAIN
BOARD
(3/4)
2
USB
BOARD
CN907
B
CD
BOARD
CN202
A
21
19
17
15
13
11
9
7
5
3
1
27
25
23
21
19
17
15
13
11
9
7
5
3
1
(Page 25)
(Page 23)
(Page 30)
(Page
29)
Click on the first or last page to see other CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R service manuals if exist.