HCD-BX5BT, HCD-CBX1, HCD-CBX3 (serv.man2) - Sony Audio Service Manual (repair manual)

Model
HCD-BX5BT HCD-CBX1 HCD-CBX3 (serv.man2)
Pages
18
Size
2.04 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / SUPPLEMENT-2
File
hcd-bx5bt-hcd-cbx1-hcd-cbx3-sm2.pdf
Date

View Sony HCD-BX5BT / HCD-CBX1 / HCD-CBX3 (serv.man2) Service Manual online

SERVICE MANUAL
Ver. 1.7  2008.02
Subject: Change of AMP, MAIN and SPEAKER boards
(Suffix-13/-23)
9-887-614-82
US Model
HCD-BX5BT/CBX1
Canadian Model
HCD-BX5BT/CBX1/CBX3
AEP Model
UK Model
E Model
Australian Model
Chinese Model
HCD-CBX3
SUPPLEMENT-2
File this supplement with the service manual.
HCD-BX5BT/CBX1/CBX3
1.
NEW/FORMER  DISCRIMINATION
In this set, AMP, MAIN and SPEAKER boards have been changed in the
midway of production.
Printed wiring boards and schematic diagrams and electrical parts list of
new type are described in this supplement-2.
Refer to original service manual and supplement-1 for other information.
– MAIN Board (Component Side) –
Former : 1-873-148-11, -12
New
: 1-873-148-13, -23
Former : 1-873-144-11, -12
New
: 1-873-144-13, -23
– MAIN Board (Component Side) –
– AMP Board (Component Side) –
– SPEAKER Board (Component Side) –
Former : 1-873-145-11, -12
New
: 1-873-145-13. -23
2
HCD-BX5BT/CBX1/CBX3
2.
DIAGRAMS
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
All capacitors are in 
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
Voltages are dc with respect to ground under no-signal
conditions.
no mark : TUNER (FM/AM)
(
) : CD PLAY
[
] : BLUETOOTH
Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
Signal path.
F
: AUDIO
f
: TUNER (FM/AM)
J
: CD PLAY
d
: USB
h
: AUDIO IN
Abbreviation
AUS
: Australian model
CH
: Chinese model
CND : Canadian model
KR
: Korean model
SP
: Singapore model
TW
: Taiwan model
Note on Printed Wiring Board:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
f
: internal component.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Indication of transistor
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
3
3
HCD-BX5BT/CBX1/CBX3
CN323
Q323
EP303
JW395
JW46
0
JW362
C324
JW482
JW343
JW342
JW326
JW360
D314
JW478
JW413
X301
JW325
JW331
JW411
JW417
C113
Q392
Q391
R312
JW425
JW410
JW329
JW409
JW437
JW387
CN312
JW373
JW394
JW330
JW383
C208
JW354
CN322
JW386
JW306
JW339
CN305
JW397
JW388
JW461
JW479
JW422
JW344
JW340
JW348
JW367
JW357
JW444
JW341
JW335
CN306
JW374
JW349
JW352
JW419
JW308
JW
311
JW456
JW
4
49
JW312
R308
JW322
JW359
JW315
JW363
JW356
JW338
JW399
JW
3
14
JW389
JW345
JW446
JW487
JW429
JW
4
62
JW381
JW358
JW375
JW435
JW391
JW473
JW309
JW313
JW477
JW317
JW384
JW
3
18
JW304
JW353
JW400
JW320
JW392
JW380
JW378
JW404
JW458
JW403
JW
4
26
JW379
JW327
JW371
JW441
JW
4
34
JW432
JW421
JW333
R314
C350
JW398
X302
C344
JW301
C364
CN311
IC311
C319
CN318
CN316
C349
CN321
CN303
C369
JW351
JW420
JW43
9
D
321
C372
C36
3
C352
C353
CN304
JW42
4
JW372
JW361
JW463
JW443
C207
C108
C107
C116
C367
C216
C309
C301
C224
C213
C124
JW369
JW445
C371
C377
C379
JW305
Q390
C115
C322
C215
JW465
JW475
JW43
6
JW466
D315
D312
D331
JW328
JW416
JW459
JW390
JW504
JW393
JW316
JW303
JW321
JW442
JW370
JW396
JW319
C391
JW310
JW415
D318
JW401
D308
JW350
CN310
JW365
JW368
JW450
JW431
JW423
JW414
JW433
JW347
JW337
JW455
JW334
JW470
JW448
JW408
JW336
JW503
JW
3
55
C375
JW451
JW484
EP302
JW376
JW42
7
JW454
L302
JW307
JW474
JW346
JW332
JW480
C336
C303
JW430
JW468
JW377
C351
JW302
JW471
JW428
JW472
C331
JW418
JW476
JW457
JW483
JW46
7
L301
JW412
JW453
EP301
C383
C210
C110
C118
C218
JW490
C394
CN309
C117
C217
JW485
JW
4
40
R354
R355
R357
R358
R485
Q324
R487
R488
R107
R207
R213
R113
Q325
R480
R499
R
208
R
108
C385
C320
JR215
JR104
JR204
JR227
IC301
IC308
C357
JR211
R418
R432
R495
JR207
JR214
JR221
JR219
JR213
JR222
JR223
R114
R115
R214
R
215
JR107
D
332
JR301
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
JR498
JR492
JR491
R102
JR212
R301
R302
R303
R
304
R309
R311
R313
R318
R316
R417
R319
R320
R325
R326
R327
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
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
R395
R490
R491
R492
R493
R494
R397
R
486
R497
R
300
C333
C310
C346
R412
Q309
C316
JR482
R466
R465
C340
C342
C341
R464
IC309
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
R211
R
111
R
112
Q310
R452
R455
R456
C339
R212
C386
JR472
Q313
Q311
R414
R
407
R
406
C305
Q305
C106
Q306
R404
JR476
JR489
JR495
C
355
JR422
JR497
C35
6
JR505
C330
JR302
JR101
R463
Q301
R376
JR500
JR480
C143
R403
C308
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
R479
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
C384
JR493
E
E
E
E
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-
13, 23
(13, 23)
L
5V REGULATOR
BOARD
CN324
F
BT
BOARD
CN901
B
USB BOARD
CN905
A
CD BOARD
CN201(BX5BT/CBX1)
CN203(CBX3)
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
(BX5BT)
(CBX3: AEP, UK, CH, KR)
(CBX3: AEP, UK, CH, KR)
(BX5BT)
(CBX1/CBX3)
(BX5BT)
(CBX3: AEP, UK, CH, KR)
(CBX3: AEP, UK)
TUNER
(FM/AM)
FM 75
COAXIAL
ANTENNA
AM
(BX5BT/CBX3)
(CBX3: AEP, UK)
(CBX3: AEP, UK)
(BX5BT/CBX1/CBX3:
  CND, AUS, CH, SP, TW, KR)
(CBX1/CBX3)
(CBX1/CBX3)
(BX5BT)
(BX5BT)
(BX5BT/CBX1)
(BX5BT/CBX1)
(CBX3)
(CBX3)
A
A/K
K
(CBX3)
(BX5BT)
(CBX3: AEP, UK, CH, KR)
(CBX3)
(CBX3)
1
2
24
25
A
K
K
A
K
K
A
K
A/K
(CBX3: AEP, UK, CH, KR)
(BX5BT)
(BX5BT/CBX3)
(BX5BT)
(BX5BT)
(CBX1/CBX3)
(BX5BT/CBX1)
(BX5BT/CBX1)
(CBX3)
(BX5BT)
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
1
3
5
4
19
1
18
2
(CBX3: AEP, UK, CH, KR)
1
4
K
POWER
BOARD
CN904
(Refer to page
 32 on original
 service manual)
(Refer to page
 40 on original
 service manual)
(Refer to page
 44 on original
 service manual)
(Refer to page 7
 on supplement-1)
(CBX3: AEP, UK, CH, KR)
(BX5BT/CBX1/CBX3: CND, AEP, UK)
(BX5BT/CBX1/
CBX3: CND, AUS,
CH, SP, TW, KR)
(CBX3: AEP, UK, CH, KR)
(Refer to page
 26 on original
 service manual)
(Refer to page
 42 on original
 service manual)
(Refer to page
 42 on original
 service manual)
(Refer to page
 28 on original
 service manual)
(Refer to page
 26 on original
 service manual)
(Refer to page
 30 on original
 service manual)
(Refer to page
 32 on original
 service manual)
2-1. PRINTED  WIRING  BOARD  – MAIN Board –
 : Uses unleaded solder.
Semiconductor
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
IC308
C-11
IC309
G-4
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
Q310
G-4
Q311
E-4
Q313
E-3
Q314
E-10
Q315
D-6
Q318
E-10
Q321
I-11
Q323
B-11
Q324
C-11
Q325
C-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
(Page 10)
(Page 8)
(Page 8)
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
4
4
HCD-BX5BT/CBX1/CBX3
2-2. SCHEMATIC  DIAGRAM  – MAIN Section (1/4) –
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
JR213
JR211
JR221
Q321
R339
R423
JR214
JR219
Q391
Q318
Q314
C356
R310
JR222
JR223
CN305
CN304
L301
D306
C346
C354
C347
IC321
IC322
IC323
C391
4.7k
4.7k
5P
RT1N141C-TP-1
47
220
10V
100
0.1
1k
47
47
100k
47k
22k
47k
0.1
100
47k
47k
100
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
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
A-IN
BCK
40
LRCK
44
65
66
67
68
69
BUS2
BUS2
BUS3
BUS3
BUS2-1
BUS2
-1
BUS3-1
BUS3
-1
REQ-1
REQ-1
REQ
REQ
BUS1
BUS1
BUS0
BUS0
CCE
CCE
BUCK
BUCK
63
75
CCE-1
CCE
-1
BUCK-1
BUCK-1
BUS1-1
BUS1-1
BUS0-1
BUS0-1
86
88
89
71
76
70
91
90
0
0
0
RT1N141C
10k
100
0
0
KTC3203Y-A
RT1N141C
RT1P441C
0.1
100
0
0
19P
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
1C
4C
4A
4B
3B
3A
1A
1B
2B
2A
2C
3C
GND
USB-RST
VC
O+
O-
VM
V
CC
I+
I-
GND
GND
VC
C
1C
4C
4A
4B
3B
3A
1A
1B
2B
2A
2C
3C
GND
DO
DI
USB-SO
USB-SI
GATE
ST_REQ
GPIN/AIN
ZDET/LRCKIN
MGND
VM(7V)
DVDD(3.3V)
D-OUT
DGND
SBSY
REQ
BUCK
BUS3
BUS2
BUS1
BUS0
AGND
L-OUT
DACGND
R-OUT
AVDD(3.3V)
CCE
RST
CLOSE SW
OPEN SW
DGND
CLOSE
OPEN
A
/B
1A
1B
1Y
2A
2B
2Y
GND
VCC
G
4A
4B
4Y
3A
3B
3Y
(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
CD DRIVE MUTE
SFSY/BCKIN
25P(CBX3)
(CBX3)
(CBX3)
(CBX3)
(CBX3)
(BX5BT/CBX1)
(BX5BT/CBX1)
(BX5BT/CBX1)
(BX5BT/CBX1)
21P(BX5BT/CBX1)
C320 100k
(CBX3)
(Refer to page
 29 on original
 service manual)
(Refer to page
 27 on original
 service manual)
(Refer to page
 34 on original
 service manual)
             TO
MOTOR BOARD
(Page 6)
(Page
5)
HCD-BX5BT/CBX1/CBX3
5
5
HCD-BX5BT/CBX1/CBX3
2-3. SCHEMATIC  DIAGRAM  – MAIN Section (2/4) –
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
µ
H
R376
R358
R357
R355
R354
R457
R340
R338
R337
R336
R335
R432
R326
R318
R418
X302
X301
R385
R485
R395
Q309
C301
C333
C344
IC301
R495
R397
R497
0.1
0.1
0.1
2SC3052F
4P
13P
47k
10k
10k
47k
0
47k
100
100
100
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
DGND
+9V
DACGND
+9V
DACGND
LCD VDD
A
ACDET
A
A
35
36
37
80
81
82
87
92
93
44
38
40
67
66
65
68
70
71
72
69
75
76
89
88
90
91
86
29
30
27
26
25
19
4
94
63
93
92
1
2
3
18
28
31
32
34
54
55
56
57
58
4
27
94
26
25
30
29
28
95
100
100
100
100
100
100
4.7k
100
100
100
100
100
4.7k
100
100
0
0
10k
100
0
4.7k(BX5BT/CBX1/CBX3:CND)
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
SIRCS
BYTE
XCIN
XCOUT
RESET
XOUT
XIN
NMI
AC
 C
UT
SPEC IN
VREF
RDS
 IN
T
S
BS
Y
USB TXD
USB RXD
USB CTS
USB RTS
NC
NC
NC
NC
LCD C
LK
S
T C
LK
S
T D
ATA
 O
UT
NC
NC
DAB-POW
ER
 3.3V
DAB
-PO
W
ER
 5
V
LCD
 B
ACK
 L
IGTH
T L
ED
S
TA
NDBY
 L
ED
S
TB
Y-RE
LA
Y
NC
NC
USB RESET
NC
NC
NC
NC
CD
 B
US3
CD
 B
US2
CD
 B
US1
CD
 B
US0
MP
3 IR
EQ
CD
 O
N
CD
 X
RST
CD
 D
RIVE
 M
UTE
CD CLK
USB
 P
OWER
SEL 
INH
SE
L
 A
SEL
 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
NC
NC
NC
DATA
NC
NC
CD
 C
CE
K
EY
 W
AK
E U
P_DISPLAY
KEY
 W
AKE
 U
P_POWER
MODEL-IN
BT DOUT
BT DIN
BT_RTS
BT_AV_ROLE
BT_R
ES
ET
BT
 A
UDIO
 O
UT
 M
UTE
B
T C
TS
BT 
PO
WER
KEY0
KEY1
KEY2
PULL UP
PULL DOWN
USB/BT
 L
ED
DEC BUS SEL1
DEC BUS SEL2
NC
S
T D
ATA 
IN
/S
TE
REO
L
CD
AVSS
AVCC
CN
 V
SS
VSS
VCC
VSS
VCC
(2/4)
(CBX3)
(CBX1/CBX3)
(BX5BT)
SYSTEM CONTROLLER
(CBX3)
(CBX1/CBX3)
VOLTAGE DETECT
AC DETECT
(CBX3:AEP,UK)
32.768kHz
(BX5BT)
(CBX1/CBX3)
(CBX3:AEP,UK)
RESET
SWITCH
(BX5BT/CBX3)
(BX5BT/CBX1/CBX3:
 CND,AUS,CH,SP,
 TW,KR)
(BX5BT/CBX1/CBX3:CND,AUS,CH,SP,TW,KR)
OUT
VDD
GND
CD
NC
M3062LFGPFP-704(BX5BT)
M3062LFGPFP-700(CBX1) 
M3062LFGPFP-701(CBX3) 
 1k(BX5BT/CBX1/CBX3:CND)
4.7k(CBX3:AEP,UK) 
R309
10k
R397
0(CBX3:AUS,CH,SP,TW,KR)
R497
 (BX5BT/CBX1/CBX3:CND,AEP,UK)
(Refer to page
43 on original
 service manual)
(Refer to page
43 on original
 service manual)
(Page 4)
(Page 7)
(Page
6)
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
6
6
HCD-BX5BT/CBX1/CBX3
2-4. SCHEMATIC  DIAGRAM  – MAIN Section (3/4) –
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
CN312
CN303
C385
C384
IC308
C383
Q315
C112
C212
C217
C211
C206
C106
C111
IC304
JR201
JR101
D335
D336
EP302
Q103
Q203
R101
R406
C372
R403
D302
C117
C113
C108
C107
C207
C208
C213
C367
C216
C116
R201
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
680
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
680
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
AOUTL
LIN
RIN
AOUTR
L
R
VCC2
CD-L
CD-R
TU-R
AVDD5
TU-L
82
81
87
80
86
28
1N4002
1N4002
1N4002
1N4002
0.1
0.01
MM1615ANLE
220
10V
470p
470p
1
50V
470p
470p
470p
470p
0
0
MC2837
MC2837
2200
16V
1
50V
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
VO
VI
CONT
GND
NOISE
(3/4)
(CHASSIS)
10P(CBX1)
3P(CBX1)      
IC306_I
IC306_G
IC306_O
IC305_I
IC305_G
IC305_O
+5V REGULATOR
(BX5BT)
Q342-344
DC DETECT
Q304-306
RELAY DRIVE
Q333,338
PROTECT DETECT
Q340,341
MUTING CONTROL
Q103,203
MUTING
INPUT SELECTOR,
ELECTRICAL VOLUME
(CBX3:AEP,UK,CH,KR)
(CBX1/CBX3)
12P(BX5BT/CBX3)
(BX5BT/CBX3)
(BX5BT/CBX3)
6P(BX5BT/CBX3)
+5V REGULATOR
(BX5BT)
4.7k(BX5BT/CBX1)
2.2k(CBX3)
(BX5BT)
(CBX3:AEP,UK,CH,KR)
R101,201
(CBX3:AEP,UK,CH,KR)
(CBX3:AEP,UK,CH,KR)
(Refer to page
 41 on original
 service manual)
(Refer to page
 32 on original
 service manual)
(Refer to page
 32 on original
 service manual)
(Refer to page
 45 on original
 service manual)
(Refer to page 8
 on supplement-1)
(Page 5)
(Page 4)
(Page 7)
(Page 9)
(Page 9)
(Page 10)
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
7
7
HCD-BX5BT/CBX1/CBX3
2-5. SCHEMATIC  DIAGRAM  – MAIN Section (4/4) –
JR227
C215
JR215
R212
R211
R213
C218
JR204
C210
R452
C110
R455
R113
R112
R111
R479
C308
JR104
C118
C115
C331
R456
C309
IC309
JR107
Q323
C322
C349
D307
Q313
R443
R447
R451
R487
Q325
R480
R488
Q324
R499
CN323
R108
R208
R107
R207
R214
R215
R114
R115
CN310
Q311
R440
Q310
JR207
R402
R438
220
10V
22
50V
MC2837
2SC3052FT1-LF
100k
1k
1k
2SA1365
1k
2.2k
1k
DGND
+9V
DACGND
A
VCC2
AOUTL
AOUTR
LIN
L
RIN
R
AVDD5
TU-L
TU-R
56
58
54
57
31
34
32
55
95
18
1
2
3
100
0
1
50V
0
100k
100k
100k
4.7
50V
0
4.7
50V
10k
4.7
50V
2.2k
100k
100k
100k
100
0.1
0
4.7
50V
1
50V
2.2
50V
2.2k
100
16V
MC14052B
0
KTA1271Y
10k
2SC3052F
22k
470
RT1N141C
10k
15P
47k
47k
4.7k
4.7k
47k
100k
47k
100k
RT1N141C
0
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
DVDD5
AGND
AOUTL
AOUTR
DGND
AVDD5
AGND
AINL
AINR
(4/4)
INVERTER
OUTPUT SELECT
(BX5BT)
Q323-325
B+ SWITCH
BT_RESET
BT_TXD
BT_RTS
BT_RXD
BT_CTS
BT_AV_ROLE
B+ SWITCH
Q311,313
(CBX3:AEP,UK)
(CBX3:AEP,UK)
AM
ANTENNA
COAXIAL
FM 75
TUNER
(FM/AM)
(BX5BT)
 9P (BX5BT/CBX1/
 CBX3:CND,AUS,
 CH,SP,TW,KR)
11P
(Refer to page
 31 on original
 service manual)
(Page
6)
(Page
5)
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
8
8
HCD-BX5BT/CBX1/CBX3
2-6. PRINTED  WIRING  BOARD  – AMP Board –
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
(BX5BT/CBX1/CBX3:
 CND, AUS, SP, TW)
(BX5BT/CBX1/CBX3:
 CND, AUS, SP, TW)
E
MAIN BOARD
CN309
G
MAIN BOARD
CN321
(CHASSIS)
(CHASSIS)
AMP BOARD
1-873-145-
13, 23
(13, 23)
A
B
C
1
2
3
4
5
6
1
5
(CBX3: AEP, UK, CH, KR)
(CBX3: AEP, UK,
 CH, KR)
(CBX3: AEP, UK, CH, KR)
(CBX3: AEP, UK, CH, KR)
(Page 3)
(Page 3)
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
9
9
HCD-BX5BT/CBX1/CBX3
2-7. SCHEMATIC  DIAGRAM  – AMP Board –
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
C510
C509
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
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
0.01
0.01
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
(CBX3:AEP,UK,CH,KR)
R523,524
2.2k(CBX3)
(CBX3:AEP,UK,CH,KR)
R-IN
AGND
L-IN
STBY
MONITOR
(BX5BT/CBX1/CBX3:CND,AUS,SP,TW)
GND
4.7k(BX5BT/CBX1)
R135,235
4.7k(BX5BT/CBX1)
2.2k(CBX3)
4.7k(BX5BT/CBX1)
R136,236
 22k(CBX3)
(Page 6)
(Page 6)
Ver. 1.6
HCD-BX5BT/CBX1/CBX3
10
10
HCD-BX5BT/CBX1/CBX3
CN319
Q317
C307
R253
CN313
L101
J302
C304
C306
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
A
B
C
D
E
1
2
3
4
J
MAIN BOARD
CN318
E
E
E
E
1-873-148-
13, 23
(13, 23)
SPEAKER BOARD
E
SPEAKER
L
R
A
K
A
(CHASSIS)
CLP311
WIRE301
1
7
1
3
M301
(FAN)
M
(BX5BT/CBX1/
     CBX3: CND)
(CBX3: AEP, UK, CH, KR)
(CBX3: AEP, UK, 
 AUS, CH, SP, TW, KR)
2-8. PRINTED  WIRING  BOARD  – SPEAKER Board –
 : Uses unleaded solder.
(Page 3)
Semiconductor
Location
Ref. No. Location
D313
B-2
Q307
D-2
Q316
A-2
Q317
D-1
Q347
D-3
Q348
D-2
CN313
R229
R230
R253
R153
C219
C222
C119
C122
Q317
R460
R478
R475
R428
R484
R409
R415
R481
R482
D313
R422
C387
CLP311
Q316
CN319
C307
Q307
C304
L201
L101
R459
M301
R489
R129
R130
C223
C123
C125
C225
WIRE301
3P
4.7
4.7
10
1/2W
10
1/2W
0.1
0.1
0.1
0.1
KTA1266GR
47
10k
4.7k
220k
47k
47
10
MC2838
2SC3052F
7P
47
4.7
4.7
0.01
0.01
0.47
0.47
SP-R
GND
SP-L
GND
FAN GND
FAN 9V
PROTECT
FAN+
GND
FAN+
(CHASSIS)
(FAN)
Q316,317
FAN MOTOR DRIVE
PROTECT
DETECT
R
L
SPEAKER
J302
4P
Q348
Q347
2SC3052F
Q307,347,348
2SC3052F
2SC3052F
47 25V(CBX3:AEP,UK,AUS,CH,SP,TW,KR)
100 16V(BX5BT/CBX1/CBX3:CND)
1k(CBX3:AEP,UK,AUS,CH,SP,TW,KR)
4.7k(BX5BT/CBX1/CBX3:CND)
47 25V
4.7 50V
C306
10
50V
(CBX3:AEP,UK,
AUS,CH,SP,TW,KR)
(BX5BT/CBX1/CBX3:CND)
(CBX3:AEP,UK,
AUS,CH,SP,TW,KR)
(BX5BT/CBX1/CBX3:CND)
(CBX3:AEP,UK,AUS,CH,
 SP,TW,KR)
(BX5BT/CBX1/CBX3:CND)
R347
470k
R348
22k
R349
1M
R498
R489,498
10k(CBX3)      
22k(BX5BT/CBX1)
10k(CBX3:AEP,UK,AUS,CH,SP,TW,KR)      
100k(BX5BT/CBX1CBX3:CND)
C304
47 25V
1 50V
100  
470
R422
(CBX3:AEP,UK,CH,KR)
(BX5BT/CBX1
     CBX3:CND)
(CBX3:AEP,UK,AUS,
CH,SP,TW,KR)
C337
1
C307
R428
2-9. SCHEMATIC  DIAGRAM  – SPEAKER Board –
(Page 6)
Ver. 1.6

Download Sony HCD-BX5BT / HCD-CBX1 / HCD-CBX3 (serv.man2) Service Manual (Repair Manual)

Here you can view online and download Sony HCD-BX5BT / HCD-CBX1 / HCD-CBX3 (serv.man2) Service Manual in PDF. HCD-BX5BT / HCD-CBX1 / HCD-CBX3 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony HCD-BX5BT / HCD-CBX1 / HCD-CBX3 (serv.man2) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.