Sony BMZ-K2 / CX-BK2 Service Manual ▷ View online
CX-BK2
45
45
7-18. SCHEMATIC DIAGRAM – AMP Board (2/2) –
R651
R645
R
646
TH502
TH501
R648
R649
D
61
8
D
619
Q610
R650
Q611
R652
R647
R664
C645
R
627
R626
R663
R661
C631
D632
D637
R653
R669
C640
C630
D638
Q624
C643
R670
R675
R659
Q623
C642
Q622
D635
D634
R671
D633
R679
R672
C634
Q617
R674
R678
R658
D627
R660
D636
R677
C641
R662
R694
D631
R676
R685
R691
Q621
C638
R682
Q620
D629
D630
C637
C636
D624
D625
C635
C633
R683
D626
C008
C009
C007
C005
IC003
D002
C002
C003
C004
C001
CN003
IC001
CN601
D301
R311
R312
JW016
R303
R307
Q303
Q302
R306
R305
Q301
R304
C303
C302
R302
R301
C301
CN303
M301
JW023
D623
R695
R681
R699
R692
R693
Q618
JW601
Q619
JW602
JW
012
JW017
JW042
JW041
CN006
CN004
JW014
R654
R655
R656
R686
R643
R641
R696
R698
R697
R642
2.2k
47k
47k
220k
220k
1
SS
184-TE85L
1SS
181-TE85L
2SA1163G-T
E85L
10k
DTA114EKA
-T146
47k
22k
3.3k
330p
10k
3.3k
10k
3.3k
330p
1SS355TE-17
1SS355TE
-17
3.3k
10k
330p
330p
1SS355TE
-17
2SA1235
330p
15k
2.2k
270
2SA1235
22p
2SB792A(RS)
1SS355TE
-17
1SS355TE
-17
10k
1SS355TE
-17
5.6k
4.7k
47
63V
2SA1235
47k
33k
330
FMB-G16L
2.7k
1SS355TE
-17
3.3k
47
35V
10k
10k
1SS355TE-17
2.7k
2.2k
120
2SC3052F-T
1-LF
330p
15k
2SD814A(RS)
1SS355TE-17
UDZSTE1715B
47
63V
100p
1SS355TE-17
MA8180
0.068
47
35V
4.7k
FMB-G16L
0.1
47
25V
0.1
22
50V
TA7812S
1SS355
0.1
47
25V
22
50V
0.1
4P
TA7807S
4P
1SS184
4.7k
4.7k
3.3k
3.9
2SA1015GR
2SA1235F
10k
10k
2SC3052F
220
47
25V
47
25V
470k
47k
1
50V
3P
1SS355TE-17
22k
15k
1/2W
3.3k
3.3k
3.3k
2SK3053
2SK3053
6P
13P
15k
1.5k
1.8k
3.3k
1.8k
33k
27k
1.5k
1.5k
1.8k
A1
A2
A3
A5
A6
A7
A8
A9
A10
A11
A
12
A1
3
A
14
A15
FR SP GND(R)
FR SP GND(L)
VH+
VH-
VL+
VL-
RELAY GND
O-POWER
POWER-MONITOR
VM+9V
DC-DET
SP-GND
SP-GND
FAMP-A-GND
REG
REG-GND(+7V)
REG-GND(+4V)
REG-GND(+12V)
+12V
+7.0V
GND(+12V)
GND(+7.0V)
VM+9.0V
VCC
(2/2)
FR SP OUT(R)
FR SP OUT(L)
(FAN)
Q301-303
FAN MOTOR DRIVE
+12V REGULATOR
G
O
I
THERMAL DETECT
Q610,611
Q620,621
OUTPUT LEVEL
DETECT
SWITCHING
SWITCHING
OUTPUT LEVEL
DETECT
Q617,622-624
G
O
I
+7V REGULATOR
(Page 55)
(Page 41)
(Page 55)
(Page 44)
(Page 49)
CX-BK2
46
46
7-19. PRINTED WIRING BOARD – AMP Board –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
JW511
JW515
JW516
JW517
JW519
JW520
JW521
JW523
JW524
JW526
JW528
JW529
JW530
JW531
JW532
JW533
JW534
JW535
JW536
JW537
JW538
JW020
JW022
JW024
JW025
JW027
JW029
JW030
JW031
JW034
JW035
JW612
JW613
JW614
JW615
JW616
JW618
JW
619
JW036
JW518
JW514
JW522
JW
028
JW540
JW541
JW
542
JW543
JW544
JW021
JW038
JW539
JW033
JW032
C003
EP502
EP501
R597
R501
R503
CN504
R596
R502
R595
Q531
Q533
Q513
R598
R504
C009
C536
C517
C514
C518
C521
C537
C522
C512
C511
JW023
CN004
CN006
C513
JW
014
RY501
Q511
D505
CN502
CN003
JW012
D626
C633
JW601
D627
C641
C634
C637
C301
C302
Q303
C303
IC003
IC001
JW016
JW602
Q532
Q534
Q514
Q512
D506
Q619
Q618
R537
JW037
JW527
R538
JW512
JW513
R655
R656
R695
R686
R699
R692
R693
JW611
CN601
C004
C005
CN303
JW041
JW042
JW525
R681
JW545
JR514
JR515
JR512
JR513
R090
JR511
JR517
C635
Q507
Q509
TH501
C001
C002
C007
C008
C025
C026
C501
C505
C506
C507
C508
C509
C510
C519
C520
C523
C528
C575
C630
C631
C638
C640
C642
C643
C645
D020
D501
D502
D503
D504
D507
D509
D511
D618
D619
D623
D624
D629
D631
D632
D633
D634
D635
D636
D637
D638
Q611
R065
R066
R067
R068
R505
R506
R507
R508
R509
R510
R311
R312
R513
R514
R515
R516
R517
R518
R519
R520
R521
R522
R523
R524
R525
R526
R527
R528
R529
R530
R531
R532
R533
R534
R535
R536
R539
R540
R541
R542
R543
R544
R545
R546
R547
R548
R551
R553
R554
R555
R556
R557
R558
R559
R560
R561
R562
R574
R575
R576
R591
R592
R627
R697
R643
R645
R646
R647
R648
R649
R650
R651
R652
R698
R654
R659
R660
R653
R662
R663
R626
R669
R670
R671
R672
R674
R675
R676
R677
R679
R682
R685
R691
R694
R696
R642
Q515
Q521
Q523
Q517
D630
D625
Q624
Q623
Q622
Q621
R511
Q620
Q617
Q525
R664
R658
R661
R641
R036
D301
R301
R302
Q301
R303
R305
R306
Q302
R307
Q530
D508
Q508
Q510
TH502
Q012
D510
Q516
Q522
Q524
Q518
R512
Q526
Q506
R035
Q527
Q013
Q610
R037
C524
R549
R550
D002
R564
C502
R304
Q505
C636
JW617
R678
R683
JW017
JR1100
AMP BOARD
1-688-420-
11
(11)
1
3
(CHASSIS)
1
3
1
1
6
4
E
MAIN
BOARD
CN502
I
MAIN
BOARD
CN006
1
2
3
M301
(FAN)
(FAN)
M
E
E
E
E
E
N
ACDC BOARD
CN006
E
E
E
E
E
1B
2B
1C
2C
E
E
E
A
K
K
K
A
A
A
K
K
A
K
K
A
K
K
K
A
A
K
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1B
2B
2C
1C
E
D
G
S
D
G
S
E
E
E
E
K
A
A
K
A
A
K
A
A
1
1
4
5
-1
-2
M
ACDC BOARD
CN003
K
HEADPHONE
BOARD
CN530
L
SPEAKER
BOARD
CN503
(CHASSIS)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
A
B
C
D
E
F
G
H
I
J
K
1
13
D002
I-14
D020
B-3
D301
F-3
D501
D-6
D502
D-11
D503
C-6
D504
D-11
D505
D-5
D506
D-9
D507
C-5
D508
C-9
D509
D-3
D510
C-11
D511
F-2
D618
E-7
D619
E-8
D623
I-11
D624
H-8
D625
H-9
D626
G-9
D627
G-7
D629
I-11
D630
J-11
D631
G-11
D632
G-11
D633
G-9
D634
H-9
D635
H-9
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
D636
H-10
D637
G-10
D638
G-10
IC001
E-13
IC003
E-17
Q012
B-3
Q013
C-2
Q301
J-14
Q302
J-14
Q303
J-15
Q505
E-3
Q506
D-8
Q507
E-5
Q508
E-9
Q509
E-5
Q510
E-9
Q511
D-5
Q512
D-10
Q513
D-6
Q514
D-10
Q515
D-5
Q516
D-9
Q517
C-5
Q518
C-10
Q521
C-4
Q522
C-9
Q523
C-4
Q524
C-9
Q525
C-4
Q526
C-8
Q527
B-11
Q530
G-2
Q531
E-4
Q532
E-9
Q533
E-6
Q534
E-11
Q610
D-4
Q611
E-4
Q617
H-6
Q618
H-8
Q619
H-6
Q620
H-11
Q621
I-12
Q622
G-9
Q623
G-10
Q624
H-11
(Page 48)
(Page 47)
(Page 54)
(Page 54)
(Page 37)
(Page 37)
CX-BK2
47
47
7-20. PRINTED WIRING BOARD – HEADPHONE Board –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
7-21. SCHEMATIC DIAGRAM – HEADPHONE Board –
JW524
R523
R526
R524
J521
JW523
R525
CN530
W505
JR501
C521
C550
R521
R522
HEADPHONE BOARD
1-688-414-
11
(11)
PHONES
1
5
AMP
BOARD
CN504
K
(CHASSIS)
(Page 46)
R521
C550
R524
R526
R525
R523
JW523
W505
J521
R522
CN530
2.2k
0.22
270
1/2W
270
1/2W
270
1/2W
270
1/2W
2.2k
5P
(CHASSIS)
L-IN
R-IN
GND
O-P0WER
RELAY SW
PHONES
(Page 44)
CX-BK2
48
48
7-22. PRINTED WIRING BOARD – SPEAKER Board –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
JW506
R571
JK502
L501
L502
R573
R572
R570
CN503
EP502
C535
C534
C524
C526
C532
C533
C527
C525
SPEAKER BOARD
1-688-419-
11
(11)
+
–
L
R
SPEAKER
–
+
(CHASSIS)
AMP
BOARD
CN601
L
(Page 46)
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