Sony BMZ-K2 / CX-BK2 Service Manual ▷ View online
CX-BK2
49
49
7-23. SCHEMATIC DIAGRAM – SPEAKER Board –
CN503
L502
R570
R571
C533
L501
C525
R573
C527
R572
C524
C526
C534
C535
C532
JK502
EP502
4P
10
1/2W
10
1/2W
0.0022
0.1
10
0.1
10
0.1
0.1
0.1
0.1
0.0022
4P
FR SP GND(R)
FR SP GND(L)
FR SP OUT(R)
FR SP OUT(L)
(CHASSIS)
L
R
SPEAKER
1.7µH
1.7µH
(Page 45)
CX-BK2
50
50
7-24. PRINTED WIRING BOARDS – KEY Section –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
IC601
B-4
IC602
D-3
IC603
C-5
LED202
A-7
LED203
E-7
LED601
F-1
LED631
D-3
LED632
E-3
LED633
E-3
LED634
D-2
LED635
E-2
Q601
D-4
Q602
E-4
Q603
E-3
Q604
D-2
Q605
E-3
• Semiconductor
Location
Ref. No.
Location
JW601
JW602
JW606
JW609
JW610
JW611
JW612
JW613
JW614
JW615
JW616
JW617
JW618
JW619
JW620
JW625
JW626
JW627
JW629
IC603
S316
S311
S312
S313
S315
S314
S331
S333
S320
S318
S334
S332
S317
S319
LED634
C607
LED635
LED631
LED633
LED632
CN606
CN612
JW605
JW624
JW628
JW623
JW608
JW603
JW604
JW622
JW621
CN605
JR601
JR602
JR604
JR605
JR606
JR607
JR608
JR609
JR610
JR603
B3
R608
Q601
Q604
Q602
Q605
R624
R626
R625
R623
R622
R607
R330
R310
R320
R319
R318
R334
R333
R332
R331
R317
R316
R616
R315
R314
R313
R312
R311
R620
R617
R621
R619
R618
R604
R605
R606
C606
C604
C605
C621
R611
C601
IC601
IC602
C602
C603
R601
R602
R603
JR611
Q603
C608
C609
S335
S336
S337
S338
S339
LED202
LED203
CN607
R335
R336
R337
R338
R339
R345
R346
LED601
CN613
20
11
1
10
1-688-411-
13
(13)
KEY LED RMC BOARD
1-688-407-
13
(13)
LEFT BUTTON BOARD
LED BOARD
1-688-412-
13
(13)
DISC SLOT
ILLUMINATION
LED601
1
2
1
2
1
5
1
5
LCD VOL
BOARD
CN004
P
STANDBY/ON
POWER
FUNCTION
BAND
GEQ
i-Bass
LED203, S339
TUNING
DOWN
UP
ALBUM/PLAY LIST
S311 − 320,
S331 − 339
1
10
20
11
PLAY MODE
2
1
5
3
4
EJECT
1B
2B
2C
1C
E
2C
1C
1B
E
2B
2C
1C
1B
E
2B
2C
1C
1B
E
2B
2C
1C
1B
E
2B
DISC
INDICATOR
1
DISC
INDICATOR
3
DISC
INDICATOR
2
DISC
INDICATOR
4
LED634
DISC
INDICATOR
5
LED635
DISC SELECT
5
S315
DISC SELECT
4
S314
DISC SELECT 3
DISC SELECT 2
DISC SELECT 1
A
B
C
D
E
F
1
2
3
4
5
6
7
PRESET
STOP/CLEAR
PAUSE/SET
(Page 52)
CX-BK2
51
51
7-25. SCHEMATIC DIAGRAM – KEY Section –
•
See page 36 for Waveform.
R346
R335
R336
R337
R338
R339
S339
S338
S337
S336
S335
R330
R310
R331
R332
R333
R334
S334
S333
S332
S331
S311
S312
S313
S314
S315
S316
S317
S318
S319
S320
R320
R319
R318
R317
R316
R315
R314
R313
R312
R311
C
603
R
60
3
C
6
02
R6
0
2
C
6
01
R
6
0
6
R
6
05
R
604
C
6
04
C
6
05
C
60
6
IC602
C607
R608
R607
R611
IC601
C609
R601
R626
R621
R625
R620
R624
R619
R623
R618
R622
R617
C621
C608
Q604
Q603
Q602
Q601
Q605
R616
CN607
CN613
CN605
CN612
LED631
LED632
LED633
LED634
CN606
LED202
R345
LED635
LED601
IC603
LED203
1k
1.5k
2.2k
3.3k
4.7k
6.8k
15k
15k
390
680
1k
1.5k
10k
6.8k
4.7k
3.3k
2.2k
1.5k
1.5k
1k
680
390
10
0p
10k
10
0p
1
0k
10
0p
1
0
k
1
0
k
10
k
1
00
p
1
00
p
100
p
BU2099FV
47
16V
47
56k
100
BU2092F
0.47
10k
560
560
560
560
560
560
560
560
560
560
0.1
0.47
FMA9TA148
FMA9TA148
FMA9AT148
FMA9AT148
FMA9TA148
1k
5P
2P
21P
2P
SML78420C
SML78420C
SML78420C
SML78420C
5P
SLI-325URC
560
SML78420C
SLR-325VC
RPM7238
SLR325VC
A2
A3
A4
A3
A4
A2
A3
A4
BACK_LED2
BACK_LED1
VOL_LED1
VOL_LED2
BASS-LED2
BASS-LED1
VOL_LED2
VOL_LED1
BACK_LED2
BACK_LED1
BASS-LED2
BASS-LED1
TRE-LED2
TRE-LED1
TRE-LED2
TRE-LED1
U5~~~
G5~~~
U4~~~
G4~~~
U3~~~
G3~~~
U2~~~
G2~~~
U1~~~
G1~~~
G5~~~
U4~~~
G4~~~
U3~~~
G3~~~
U2~~~
G2~~~
U1~~~
G1~~~
U5
~~
~
GND
VM
VDD
DATA
CLK
LCK
I-RMC
KEY1
KEY2
BACKLIGHIT1
VOL-LED1
VOL-LED2
TREBLE-LED1
TREBLE-LED2
BASS-LED1
BASS-LED2
BACKLIGHIT2
STBY
NC
GND
GND
VDD
OE
NC
NC
Q5
Q6
Q7
Q8
Q9
VSS
DATA
CLK
LCK
Q0
Q1
Q2
Q3
Q4
VDD
OE
SO
Q5
Q6
Q7
Q8
Q9
Q10
Q11
VSS
DATA
CLK
LCK
NC
Q0
Q1
Q2
Q3
Q4
(DISC SLOT ILLUMINATION)
-2
-1
-2
-1
(DISC INDICATOR 1)
(DISC INDICATOR 2)
(DISC INDICATOR 5)
(DISC INDICATOR 4)
(DISC INDICATOR 3)
-2
-1
-2
-1
-2
-1
Q601-605
LED DRIVE
LED DRIVE
REMOTE CONTROL
RECEIVER
LED DRIVE
2
4
5
1
3
DISC SELECT
EJECT
PLAY MODE
ALBUM/
PLAY LIST
UP
DOWN
TUNING
POWER
FUNCTION
BAND
GEQ
i-Bass
LED203,S339
STANDBY/ON
PAUSE/SET
STOP/CLEAR
PRESET
P
(Page 53)
CX-BK2
52
52
7-26. PRINTED WIRING BOARDS – LCD Section –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
IC001
C-7
LED204
G-7
LED205
G-6
LED206
F-7
LED207
F-7
LED208
G-7
LED209
F-6
LED210
F-8
LED211
F-9
LED212
F-9
LED213
F-8
LED214
F-9
LED215
E-9
LED216
G-8
LED217
H-9
LED218
G-9
LED219
H-8
LED220
H-9
LED221
G-9
LED251
A-6
LED252
A-6
LED253
A-7
LED254
A-7
• Semiconductor
Location
Ref. No.
Location
JW107
JW108
JW109
JW110
JW111
JW113
JW114
JW115
JW116
JW117
JW118
JW119
JW120
JW121
JW122
JW123
JW124
JW125
JW126
JW127
JW128
JW134
JW135
JW136
JW141
JW142
JW143
JW102
JW105
JW106
JW137
JW138
JW139
JW140
JW101
JW103
JW104
CN002
S303
S302
S301
LED220
LED218
LED217
LED219
LED216
LED221
LED211
LED215
LED214
LED212
LED213
LED210
LED204
LED207
LED206
LED208
LED205
LED209
CN001
CN010
C102
LED254
LED253
LED252
JW112
JW130
JW131
CN004
JW129
LED251
JR101
JR102
JR103
JR104
JR105
JR106
A4
IC001
R252
R251
R105
C108
C107
R101
C104
C105
C109
R257
R258
R256
R255
R254
R253
C369
C368
C367
C365
C366
C364
C363
C362
C361
R375
R374
R373
R372
R371
R365
R364
R363
R362
R361
R368
R340
R367
R370
R369
R366
R106
C103
JR108
JR109
JR110
JR111
C110
R110
S343
S342
S341
CN009
CN003
R341
R342
R343
R344
S344
CN008
S304
CN011
R378
R379
R380
R376
R377
C370
C371
C372
R109
R107
R108
1
24
25
64
80
40
41
65
1-688-410-
13
(13)
LCD VOL BOARD
1-688-408-
13
(13)
RIGHT BUTTON (1) BOARD
RIGHT BUTTON (2) BOARD
1-688-409-
13
(13)
JOG BOARD
1-688-413-
13
(13)
LED251 − 254
(LCD BACKLIGHT)
37
73
36
1
LCD001
LIQUID CRYSTAL DISPLAY
KEY LED RMC
BOARD
CN605
P
TREBLE/
MIDDLE
S303
ROTARY ENCODER
BASS
S302
ROTARY ENCODER
LED204 − 221
(ILLUMINATION)
VOLUME
ROTARY ENCODER
1
3
1
3
1
3
2
1
3
1
2
1
3
1
3
1
MULTI JOG
ROTARY ENCODER
DISPLAY
MODE
TITLE
ENTER
1
2
2
1
S341 − 344
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
MAIN
BOARD
CN905
H
(Page 50)
(Page 37)
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