Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
71
71
7-34. PRINTED WIRING BOARD – FRONT AMP Board –
•
See page 43 for Circuit Boards Location.
:Uses unleaded solder.
JW511
JW515
JW516
JW517
JW519
JW520
JW521
JW523
JW524
JW526
JW528
JW529
JW530
JW531
JW532
JW533
JW534
JW535
JW536
JW537
JW538
JW022
JW024
JW025
JW035
JW616
JW617
JW619
JW518
JW514
JW522
JW540
JW541
JW542
JW543
JW544
JW021
JW539
JW033
JW032
JW037
JW527
JW512
JW513
JW611
JW525
JW047
JW039
JW040
JW044
JW045
JW017
JW036
JW046
JW026
JW027
JW029
JW618
JW613
JW614
JW615
Q304
R537
R681
EP502
EP501
R501
R503
CN504
R655
R693
R656
R686
R692
CN005
L003
L004
Q531
Q533
Q513
C015
C020
C005
C536
C517
C514
C518
C521
C537
C522
C512
C511
JW601
D001
C017
CN004
C513
C012
C008
IC003
C030
L002
RY501
Q511
D505
CN502
D002
C013
CN003
Q619
R695
C018
R699
D626
C633
Q618
D627
C641
C634
C637
R538
C301
C302
Q303
C303
IC004
IC001
JW602
Q532
Q534
Q514
Q512
D506
C029
CN303
CN601
L001
IC005
C304
R564
C635
R008
JR517
Q507
Q509
TH501
R006
C025
C026
C501
C502
C505
C506
C507
C508
C509
C510
R310
C519
C520
C575
C630
C631
R308
C636
C638
C640
C642
C643
C645
JR601
D020
D501
D502
D503
D504
D507
D509
D511
D618
D619
D623
D624
D629
D631
D632
D633
D634
D635
D636
D637
D638
Q004
Q611
R065
R066
R067
R068
R090
C007
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
R549
R553
R554
R555
R556
R557
R558
R559
R560
R561
R562
R574
R575
R576
R591
R592
R627
R010
R697
R643
R645
R646
R647
R648
R649
R650
R651
R652
R698
R654
C027
R659
R660
R653
R662
R663
R626
R669
R670
R671
R672
R674
R675
R676
R677
R679
C028
R682
R683
R685
R691
R694
R696
R642
Q515
JR511
Q521
Q523
Q517
Q001
D630
D625
Q624
Q623
Q622
Q003
Q002
Q621
R511
Q620
Q617
R678
Q525
R664
Q505
R658
R661
JR513
R641
R036
D301
R301
R302
Q301
R304
R303
R305
R306
Q302
R307
Q530
D508
Q508
Q510
TH502
C524
Q012
D510
Q516
JR512
Q522
Q524
Q518
R512
Q526
Q506
JR515
R035
Q527
Q013
Q610
JR514
R037
R550
R565
R567
R566
R568
Q305
R504
R502
E
C
B
E
C
B
E
C
B
E
C
B
E
(CHASSIS)
R
MAIN BOARD
CN502
Q
MAIN BOARD
CN005
1
1
5
4
2
1
1
4
5
4
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
K
K
A
A
1B
2B
1C
2C
E
A
K
A
A
K
K
A
K
K
A
K
K
A
K
K
A
K
2
3
1
1
4
13
M301
(FAN)
(FAN)
M
E
E
1-860-391-
11
(11)
E
E
E
E
E
E
E
E
V2
ACDC BOARD
CN006
V1
ACDC BOARD
CN006
(EXCEPT EA)
(EA)
U2
ACDC BOARD
CN003
U1
ACDC BOARD
CN003
T
HEADPHONE
BOARD
CN503
W
SP BOARD
CN503
(EXCEPT EA)
(EA)
1B
2B
1C
2C
E
K
A
K
K
A
K
G
D
S
G
D
S
E
1
1
1
4
5
13
-1
-2
E
K
A
A
(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
FRONT AMP BOARD
E
D001
D-14
D002
D-15
D020
B-3
D301
F-3
D501
D-6
D502
D-10
D503
C-6
D504
D-10
D505
D-4
D506
D-9
D507
C-4
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-8
D626
G-8
D627
G-7
D629
I-11
D630
I-11
D631
G-11
D632
G-11
D633
G-9
D634
H-9
D635
H-9
D636
H-10
D637
G-9
D638
G-9
IC001
E-15
IC003
E-13
IC004
E-14
IC005
E-17
Q001
D-16
Q002
F-13
Q003
C-15
Q004
D-12
Q012
B-3
Q013
C-2
Q301
J-14
Q302
J-15
Q303
J-14
Q304
J-15
Q305
J-15
Q505
E-3
Q506
D-8
Q507
E-4
Q508
E-9
Q509
E-5
Q510
E-9
Q511
D-5
• Semiconductor
Location
Ref. No.
Location
(Page 76)
(Page 76)
(Page 82)
(Page 84)
(Page 82)
(Page 84)
(Page 70)
(Page 70)
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