Printed Wiring Board - Main Board - Sony HCD-EC68 Service Manual

7-5.

PRINTED WIRING BOARD - MAIN Board -

1 2
(EC78)
E
MAIN BOARD
(Page 30)
A
D806
CN801
ANTENNA
FM/AM
D805
B
FL803
JW682
C848
T801
C
(EC78)
TB601
L C603
CF801
L601
SPEAKER
D
HIGH FREQ.
IMPEDANCE
R606
USE 8Ω
JW650 R607
C606
R608
R
L602
JW652
E
JW651
JW662
D601
F
R609
JW654
TB602
R611
L
R610
L603
C609
(EC68)
JW659
SPEAKER
G
IMPEDANCE
USE 6Ω
JW653
JW660
SPEAKER
LOW FREQ.
C610
IMPEDANCE
R612
USE 8Ω L604
R
(EC78)
H
ET601
(CHASSIS)
I
HCD-EC68/EC78
• See page 23 for Circuit Boards Location.
3 4 5
HI AMP
M M601
BOARD
(FAN)
CN151
1
3
JW744 L805
JW743 R847
R801
D802 R831 R803
R810
JW742 R806
R826
C803
JW740
R822
C802
R841
JW741 R827 D803 C838
R811
C840
R807
D804 D801 C837
R838
R843
R812
R837 R809
C823
B E Q802
C834
L803 B E
TP690 C836 R824
C819
C826
R840
R825
C820
C841 Q801
L804 JW735
C835
C847
C828 C824
R846
L801 R823
R842
JW802
C846
JW737 C806
JW736
JW739
C827 R813
JW733
R829 C821
C805 R814
JW738 R839
R819
C822
R818
C844 JW647
R805
JW729
R817 C804
JW731
R844
JW732
JW728
36 19
IC801
C809
C808
18 JR613
1 C807
X801
JW726 R845
R816
R815 C811
JW721
JW804 C810
R832 C845
JR601
C843
C817 R820
C815
JW730 JW801
JR602
FL801 R821
JW724 R830 C816
JW734
L802
R836 C814
JW725 C830
JW723 C832 JW750
R726
R724 JW751 JW752
C829
JW722
C831
JW803
C833
R725
Q601
CN601 R626
Q602
D622
R629
C850
B E
3 1 C613 C614
JW655 JW779
R603 R627 D621 R630
R601
JW656
R605
Q603
R604
B E
JW649
C602
C605
C601
C604
D605
CN632
5 1 R692
JW677
JW760
JW781
R634
JW720
C615
R633
D603
R662
R635
RY601
C616
R632 D791
JW669 JW663
R636
R658
R631
JW672
R792
R639
R791
JW657
JW719 JW708
CN633
JW658
R727
R650
R640
R651
JW661
JW673
R728
JW666
(EC78:AEP,RU)
C617
C678
RY602 R648
D604 R638
C618
C626
C607 R641 R649
EC68/EC78:E2,
E3,E51,MX,AR
R642
C608 JW665
R647
Q604
B E
R615
R643
EC68/EC78:E2,
C620
E3,E51,MX,AR
R645
D609
C622
JW684
C677
(EC78:AEP,RU)
C628
JW667
JW670
LOW AMP
RY601,RY602
G
BOARD
CN104
(Page 31)
• : Uses unleaded solder.
6 7
(EC78)
HI AMP (Page 31)
F H LOW AMP
BOARD
BOARD
CN152
CN102
(Page 30)
(EXCEPT EC68:UK)
R804
(EC68:UK)
R802
JW607
C652 R701
JW608
C657 JR605
CN602
C658 JR606 R702
R704
R808
JW609
R695
R683 C647
C648
R700 C654
R694
C636 R682
C646
C655 JW606
C635 C649
R696
JR607
R667
C645
C644 C656
R697
C639 C650 R709
C665 JR608
Q608 C643
D614
JW611 JW610 R787
C651 C666
JW613
B E
C640
C700
CN603
R708
R788 C653
(EXCEPT EC68:UK)
14 1
IC602
R666 R681
28
15
R684 C667
C637 C633
R731
C638
C634 C662
R732
TP619 C684 C788 R751
JW612
JR610
R715
R752 R749
C663
C685 JW625 C659
R754 C674
C789 R750 C713
JW640 C660
R753
R707
C664
C687 C661
C630 C686 R706
R672
JW630
JW674 JW627
JW628
JW620
R676
JW629
R673
JW703 JW631
R677
C675
JW641
JW632
JW678
JW706 C641
C632
JR614 R729
R689
JW702
R670
Q618
B E JW773
R687
D617 C694
Q611 R637
R678
B E
JW769
B E R685
JW783
Q612
C629 R690 R686
JW701 JW768
C619
D628
JW705
JW675
R669
JW771
JW685
R628
D615
JR615 JR611
JW767
B E
B E JW718 JW782
D618
R716
Q606 Q605
C696
Q622 JW717
E B
R652 R646
R720
R719 JW775
R614
C695
R613 C669
JW765
R718
D606
R722
R717
D631
JW764 JW711
C704 2
D602
1
Q624
JW780
D619
C612
D620
R619
JW777
C631
JW710
R621
JW770
C611 R625
JW704
R620
JW712
D610
3 1
C682
JW766
C621
JW715
JW762
JW761 JW716
R617
JR612
JW690
D608
R622
R623
JW683
CN604
JR617
D607
C642
JW763
JW689 Q619
R691
B E
(EC68)
D629
D630
C623
JW686
JW639
C627
D611 D612 ET602
(EC78)
REG
D
BOARD
W610
PT J (Page 34)
BOARD
(CHASSIS)
CN051
(Page 35)
27 27
• Semiconductor
Location
8 9
Ref. No. Location
D601 E-2
D602 E-6
D603 E-3
D604 G-3
JW601
D605 D-5
JR603
D606 E-6
JR604
JW604
(EXCEPT EC68:UK)
D607 G-5
D608 F-5
R679
JW602
D609 G-5
E B E B
D610 F-5
JW603
JW605
Q616 Q617
R680 D611 H-6
(Page
D612 H-6
26)
JW615
D614 B-6
K D615 D-7
CN606
JW616
D617 D-6
DECK
BOARD
D618 E-6
JW619
D619 E-6
JW787
JW617
D620 E-7
JW621
JW618
JW624 D621 D-5
JR609 D622 D-5
JW622
JW626
D628 D-7
TP657 (SUFFIX-12)
D629 H-6
R660
L1
D630 H-6
JW623
PANEL D631 E-7
BOARD
D791 E-5
CN304
(Page 32)
D801 B-3
C714
C676
D802 A-4
L2
D803 B-4
JR618 JW633
PANEL
D804 B-3
JW634
BOARD
C693
D805 B-2
CN304
JW785
JW784 JW635
(Page 32)
JW786
D806 A-2
(SUFFIX-13)
JW636
IC602 B-7
JW637
IC801 C-4
JW638
Q601 D-4
JW697
Q602 D-5
JW713
Q603 D-5
CN608
Q604 G-3
20
21
Q605 D-6
C689
Q606 D-5
C673
JW774 C691 Q608 B-6
M
C680 C703 Q611 D-5
JW709
C671
CD BOARD Q612 D-6
CN201
Q616 B-9
(Page 24)
CN605
Q617 B-9
Q618 D-7
JW680
R675 R674 Q619 G-6
C
Q622 E-6
JW681
JACK
R663
Q624 E-7
BOARD
(Page 34)
Q801 B-5
JW664 Q802 B-5
JW679
JR616
JW676
JW668
JW699
12, 13
R644
JW700
1-875-488- (12, 13)
Note: Refer to "SUFFIX-12/SUFFIX-13 DISCRIMINATION
OF PANEL BOARD" (page 3) of the servicing notes
for suffi x-12 and suffi x-13.
HCD-EC68/EC78