Sony BMZ-K2 / CX-BK2 Service Manual ▷ View 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)
(Page 45)
(Page 39)
(Page 40)
(Page 33)
(Page 38)
CX-BK2
42
42
7-15. PRINTED WIRING BOARD – USB AUX Board –
•
See page 35 for Circuit Boards Location.
:Uses unleaded solder.
JW705
JW706
JW707
JW708
JW709
JW710
JW711
JW712
JW713
JW714
JW715
JW716
JW717
JW718
JW719
JW720
JW721
JW722
C717
C756
CN701
X700
CLP701
IC701
C713
EP701
C716
C759
C758
JW700
EP702
C715
JW724
JW723
JW725
JW704
JW702
JW703
R727
L705
L702
L701
L700
C704
C703
R702
R703
C711
C762
C760
C757
R728
R724
L703
Q701
R722
Q700
C721
R712
C709
Q702
R729
R730
R732
R710
C708
R720
R718
R723
R700
R701
R726
R725
C720
C718
C722
C719
R721
R716
C712
C701
C700
C710
IC700
R706
R705
R711
C705
R707
C702
R704
C755
C714
R731
JR701
R735
R736
JR702
JR703
C724
C725
C706
EP702
J701
1
E
E
E
3
1
44
22
12
11
33
34
23
(CHASSIS)
R
L
AUDIO
VIDEO
LINE IN
1-688-415-
13
(13)
(USB)
2 3
1 4
(FRONT VIEW)
(CHASSIS)
MAIN BOARD
CN004
G
USB AUX BOARD
(Page 37)
CX-BK2
43
43
7-16. SCHEMATIC DIAGRAM – USB AUX Board –
•
See page 36 for Waveform.
R727
R726
R728
R724
R725
C718
R735
R736
R711
R712
R729
R730
C725
C724
C756
C755
C760
C762
R702
C704
R707
R704
C702
C703
R703
C705
R706
R705
C701
C700
R700
R701
C759
C709
C758
C721
C722
R721
R716
R718
R720
R722
R723
C717
C719
Q701
IC701
C708
R710
C712
IC700
C710
C720
C714
X700
C711
R732
C715
C706
R731
C716
C713
C757
EP701
EP702
CN701
J700
0
0
0
L705
L702
L701
L700
Q702
L703
0.45µH
JW702
0.45µH
JW704
JR702
JR703
Q700
J701
100
100
100
100
100
0.1
22k
22k
4.7k
4.7k
680
680
100p
100p
4.7
50V
50V
100p
0.47
0.22
15k
220p
15k
8.2k
1000p
1000p
15k
220p
15k
8.2k
22p
22p
22
22
47
10V
0.1
100
10V
10V
0.1
0.1
3.3k
3.3k
3.3k
3.3k
4.7k
1k
33
25V
0.1
2SB1132-T1
01-R
NJM78M05S
0.47
220k
0.47
0.1
0.1
22p
12MHz
22p
100k
100
10V
10V
0.01
33
JR701
0
10
50V
10
50V
0.22
17P
0
DTA114EKA-T146
0
0
0
DTC114EKA
-T146
3P
SOF
SUSPEND
TEST
FOUTL
FOPL
FINL
FOUTR
FOPR
FINR
NC
NC
SGND
SREF
NC
SEN
REST
VDD
VSS
D+
D-
VREG
VBUS
TRDY
SCL
SDA
NC
NC
NC
NC
NC
NC
ACK
INT_DATA
CLI
WSI
DAI
AVDD
AREG0
OUTR
OUTL
AVSS_12
AREG1
XTO
XTI
(CHASSIS)
(CHASSIS)
A-GND
USB-L
USB-R
A-GND
AUX2-L
AUX2-R
USB_ACK
VM
D-GND
V-GND
V-IN
USB_ON
I2C_CLK
I2C_DATA
USB_INT
USB_VBUS_ON
D-GND
(USB)
USB ON/OFF SWITCH
USB INTERFACE
µAC3553B
+5V REGULATOR
G
I
O
B+ SWITCH
Q700,701
L
R
AUDIO
VIDEO
LINE IN
(Page 39)
CX-BK2
44
44
7-17. SCHEMATIC DIAGRAM – AMP Board (1/2) –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
CN502
R505
R511
R035
R036
C524
R574
D511
R509
C537
Q507
Q509
R515
C507
C505
D505
R519
R521
R523
Q515
R527
R517
R525
D507
R535
Q523
Q521
R531
C509
R541
R543
R539
R545
Q517
D501
D503
R529
R533
R553
C519
R555
Q525
R557
R559
C521
C517
D510
EP501
R547
C511
R513
R514
R506
C502
R510
Q506
R512
C508
C506
R516
R532
C510
R530
D502
R522
R524
Q516
D506
R528
Q522
R536
R534
C536
Q508
R526
R520
R518
R540
R546
R544
R542
R548
C512
C514
R554
C520
R556
C522
R560
R558
Q526
R561
R562
R592
R037
R591
D020
R067
R066
C026
R065
Q012
R068
C025
R090
D509
EP502
C518
D504
Q505
C523
C528
CN504
R575
R576
RY501
C575
R564
Q527
C513
R503
R501
C501
R504
R502
Q013
D508
Q518
Q530
Q524
Q514
Q512
Q510
Q511
Q513
R549
R550
R537
R538
Q531
R595
R597
Q533
R507
Q532
R508
R598
R596
Q534
11P
100
1k
22k
22k
0.1
22
1SS355TE
-17
2.7k
0.1
50V
50V
2SC3052F-T
1-LF
2SC3052F-T
1-LF
220
100p
100V
100V
100p
100V
100V
AU-01Z
39
1.8k
2.2k
2SC2713G-T
E85L
47k
39
1k
1SS355TE
-17
100
2SC3052F-T
1-LF
2SC3052F-T
1-LF
1.5k
820p
2.2k
2.2k
10k
100
HN4A06J-GRBL
TE85R
1SS181-TE85L
1SS184-TE85L
4.7k
100
27k
820p
100k
2SD1306
NE 07-TL
NE 07-TL
1k
3.9k
4.7
50V
50V
0.47
50V
1SS181-TE85L
27k
33
35V
6.8k
6.8k
100
0.01
2.7k
2SA1163G-T
E85L
1k
100p
100V
100V
100p
100V
100V
220
1.5k
820p
4.7k
1SS181-TE85L
1.8k
2.2k
2SC2713G-T
E85L
AU-01Z
47k
2SC3052F-T
1-LF
100
100
0.1
50V
50V
2SC3052F-T
1-LF
1k
39
39
10k
100
2.2k
2.2k
27k
33
35V
22
50V
27k
820p
100k
4.7
50V
50V
3.9k
1k
2SD1306
NE 07-TL
NE 07-TL
68k
1M
15k
5.6k
100k
1SS184-TE85L
47k
33k
4700p
10k
2SC2713G-T
E85L
10k
6800p
10k
1SS184
-TE85L
0.47
50V
1SS184-TE85L
2SA1163G-T
E85L
0.1
0.1
5P
10k
10k
0.1
0
2SA1235
22
50V
0.22
3W
0.22
3W
0.01
0.22
3W
0.22
3W
2SA1163G-T
E85L
1SS355TE
-17
HN4A06J-GRBL
TE85R
2SC3052F-T
1-LF
2SC3052F-T
1-LF
2SC2910ST
-P
2SC2910ST
-P
2SC3052F-T
1-LF
2SC2910ST
-P
2SC2910ST
-P
390
390
1k
1/2W
1k
1/2W
2SD2562
0.47
2W
0.47
2W
2SD1649
1.2k
2SD2562
1.2k
0.47
2W
0.47
2W
2SD1649
A1
A2
A3
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
(CHASSIS)
L-IN
R-IN
GND
O-P0WER
RELAY SW
IN-R
AMP-A-GND
IN-L
O-POWER
AMP-A-GND
MUTE
POWER MONITOR
AMP-A-GND
AMP-A-GND
SYSTEM-MUTE
MIXOUT-LR
(1/2)
(CHASSIS)
-1
-2
MUTING
MUTING
CONTROL
MUTING
PRE DRIVE
-2
-1
CASCADE
Q511,513,515
Q521,523
CURRENT
MIRROR
Q531,533
FINAL DRIVE
OVER LOAD
DETECT
Q507,509
BIAS
PRE DRIVE
-2
-1
BIAS
Q508,510
FINAL DRIVE
Q532,534
OVER LOAD
DETECT
CASCADE
Q512,514,516
CURRENT
MIRROR
Q522,524
DETECT
OVER CURRENT
HOLD
DRIVE
RELAY
(Page 40)
(Page 45)
(Page 47)
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