
HCD-NXM4D
58
58
HCD-NXM4D
7-29. PRINTED WIRING BOARD – FRONT AMP BOARD –
• See page 29 for Circuit Boards Location.
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
H
11
(11)
1-861-478-
FRONT AMP BOARD
C537 C538
C540
C539
R577
C546
D510
R554
D
508
R
555
R556
R
557
D
850
D
851
C858
R
862
R
863
R864
Q
861
R
866
R
867
R865
C
857
R502
R
503
C502
R
510
R
511
R
512
R527
22
1
R
517
R
518
R519
Q501
Q859
Q860
Q502
E
E
D506
C545
D502
D503
D
852
R582
R586
R589
Q510
R574
R575
C557
R559
R523
R560
Q509
E
E
D507
Q851
E
E
D
505
Q852
Q
850
E
R851
R
506
R
509
D
504
R
505
C503
R
507
C504
R871
R872
Q
868
E
E
E
E
E
E
Q
869
R564
R565
R
860
D509
R
890
Q
890
R
538
R
540
R
530
R535
R513
C507
R516
R515
C508
C511
R539
R
534
R
531
R533
R532
R
567
R568
R569
C541
C543
C544
C529
C542
C547
C548
Q
507
R547
R
545
R
548
Q
508
R
546
R549
R550
R876
R875
Q
853
1
1
3
4
Q
854
E
E
R854
R857
R870
D853
R880
R562
JW504
R561
R566
R563
JW505
R578
JW507
R576
R584
L504
JW509
R583
L505
JW514
R591
R590
EXCEPT
EA
EXCEPT
EA
EXCEPT
EA
EXCEPT
EA
EXCEPT
EA
EXCEPT
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
JW511
R585
TH
531
C534
C535
L501
L502
L503
EP502
R587
TM
402
L506
C531
C530
R
Y502
JW562
C527
JW608
JW673
CN508
CN501
IC501
JW653
C506
C509
C510
C860
C859
JW654
TM
502
TM502
R525
R526
R
541
JW601
R
580
JW678
JW610
LP502
LP503
LP504
RY501
C525
C524
C852
C851
C861
C856
C523
R524
C522
C855
C862
R
542
R
543
JW680
JW681
JW682
JW621
JW688
JW
618
JW
617
JW
574
JW616
JW615
JW614
JW612
JW613
JW689
JW
619
JW
623
JW549
JW632
C528
Q505
E
E
E
E
JW605
JW607
JW627
JW606
JW683
JW684
JW603
1
11
JW675
JW593
JW674
JW597
JW651
JW591
JW521
JW638
JW635
JW634
JW
636
JW
594
JW
637
JW553
CN502
11
1
JW691
JW584
Q858
E
JW640
JW609
JW
567
JW
671
JW
672
JW
661
JW
604
JW600
JW
666
JW
645
JW
646
JW
648
JW
658
JW652
JW
649
JW
650
R
520
JW668
JW669
E
JW692
JW
581
R
544
JW579
C516
JW
657
R521
JW687
JW
582
JW
630
JW
629
JW
628
JW693
JW
585
JW
686
R
581
JW626
JW670
Q
504
Q506
C515
JW
588
JW
590
R
529
R
536
R855
R858
CN505
JW639
JW665
JW
564
JW
565
JW
695
JW561
JW563
JW
660
JW690
JW696
JW
697
JW
698
CN507
CN503
JW
578
JW
577
JW685
JW676
JW625
CN506
3
1
C865
R570
R571
R572
R573
JW520
JW595
JW596
R595
R599
R598
JW655
M962
DC FAN
M961
DC FAN
+
+
-
-
+
+
-
-
+
+
-
-
SPEAKER
S.WOOFER
CENTER
FRONT R
SURR R
FRONT L
SURR L
Ref. No. Location
D501
F-2
D502
C-4
D503
C-4
D504
E-3
D505
E-3
D506
E-2
D507
D-2
D508
G-5
D509
G-5
D510
F-4
D850
B-4
D851
A-5
D852
B-5
D853
C-4
IC501
C-4
IC850
F-2
Q501
E-2
Q502
E-2
• Semiconductor
Location
Ref. No. Location
Q503
E-2
Q504
E-3
Q505
E-3
Q506
E-2
Q507
E-4
Q508
D-4
Q509
G-4
Q510
G-4
Q850
F-3
Q851
F-3
Q852
F-3
Q853
B-2
Q854
B-2
Q858
B-2
Q859
B-5
Q860
B-5
Q861
B-4
Q868
B-4
Q869
B-4
Q890
B-4
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299