Read Sony BMZ-K2 / CX-BK2 Service Manual online
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)
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