Read Sony BMZ-K2 / CX-BK2 Service Manual online
CX-BK2
41
41
7-14. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
•
See page 58 for IC Block Diagram.
Q616
Q615
Q614
Q617
Q618
Q619
Q620
C687
C629
C641
C640
C630
C686
C007
C013
C050
C676
D612
D050
D018
C682
C684
C683
C685
C697
Q050
CN007
C696
C011
C012
C675
C677
R678
R677
R679
R681
R680
R658
R655
R688
R686
R683
R636
R657
R656
R689
R682
R684
R685
R687
R668
R667
R666
R672
R050
R052
R053
R011
R669
R635
CN006
Q051
Q623
IC603
Q624
Q625
CN507
C016
C20
C019
C018
R031
R032
Q024
Q019
R018
C014
C017
D015
R017
Q018
D016
D017
R019
IC101
C052
R020
R003
R038
R016
C645
Q25
C015
2SK2158
2SK2158
2SK2158
2SK2158
2SK2158
2SK2158
2SK2158
4.7
50V
50V
4.7
50V
50V
47
16V
47
16V
4.7
50V
50V
4.7
50V
50V
22
50V
47
25V
10
50V
1
50V
1SS355
1SS355
1SS355
0.0033
0.033
0.0033
0.033
0.22
2SC3052F-T
1-LF
4P
0.22
0.1
0.1
0.015
0.1
220k
22k
100k
220k
220k
820
4.7k
1.5k
8.2k
82k
27k
1k
5.6k
4.7k
47k
10k
47k
1.5k
4.7k
10k
270
4.7k
100k
8.2k
18k
2.2
4.7k
56k
6P
2SA1015
GR
2SC3052F-T
1-LF
NJM2156
2SK2158
2SC3052F-T
1-LF
11P
1000
16V
0.1
47
25V
100
10V
10V
470
47k
2SB1013
2SB1370E
100
470
16V
16V
10
50V
MA8033-L
T W
47k
2SC3052F
1SS355
1SS355
470
TA7810S
1A
47
25V
0
0
220
470
22
16V
DTC114YKA
100
16V
16V
B2
B3
B4
B5
B6
B7
B8
B9
B10
C1
C2
C3
C5
M-GND
VSTBY
21
22
23
24
V-BASS
O-POW
ER
X1
X2
X3
X4
18
19
20
CD_ON
ROUT
D-VDD(3.3V)
LOUT
CD-VM(7V)
D-GND
A-GND
A-VDD(3.3V)
MGND
MGND
D-GND
RF-GND
M-GND
+12V
VCC
+7.0V
GND(+12V)
GND(+7.0V)
VM+9.0V
G
N
D
G
O
U
T
G
IN
V
R
EF
O
U
T
B
LO
U
T
B
L
IN
B
H
O
U
T
B
H
IN
B
IN
B
H
O
U
TA
H
IN
A
IN
A
L
IN
A
L
O
U
TA
O
U
T
A
B
B
E
L
P
O
U
T
L
P
IN
V
+
(4/4)
VSTBY(+9V)
TUNER/AUX GND
G
I
O
+10V REGULATOR
Q050,051
+9V REGULATOR
BBE ON/OFF
CONTROL
BASS BOOST
ENHANCER
Q617-620
BOOST CONTROL
FREQUENCY CONTROL
Q614-616
CONTROL
BOOST
FEED BACK
SWITCH
Q024,025
B+ SWITCH
Q018,019
+3.3V REGULATOR
R660
3.3k
R659
2.2k
(Page 55)
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