Sony HCD-EC50 Service Manual

2828
HCD-EC50
HCD-EC50
6-11. SCHEMATIC DIAGRAM — PANEL SECTION —
• See page 17 for Waveforms. • See page 36 for IC Pin Function Description.
R767
Q707
R719
R718
R681
R683
R662
R652
R661
R651
R733
R770
R685
R689
R671
R668 R678
R667
R695
R696
R697
R698
R694
R693
R691
R692
R665
R666R670
R669
Q664
Q663
Q706
Q703Q702
R722
R713
R682
R657
Q704
R684
R688
R653
R736
R727
R664
R663
R
6
75
R
6
74
R
6
73
R
6
77
R
6
79
R
6
72
R
6
7
6
R768
R726
R734
R731
R738
IC703
LED701
R703
R704
R705
R706
R710
R712
R725
R742
R743
R744
R745
R746
R747
R750
R756
R762 R765
R773R774
R775
R777
R780
R766
R769
R
7
60
R
7
61
R
7
6
3
R
7
6
4
JW700
R721
Q701
R
72
3
R786
R784
R779
R781
R709
R724
R778
R776
R771
R717
R758
R707
R735
R716
R708
R749
R715
R701
R702
R772
R686
D702
D703
C705
C
70
3
C702
L702
C704
C731
R755
C707
X701
C724
C713
C712
C
7
1
4
C
7
1
5
C
7
0
9
C
7
0
8
C
7
3
5
C723
C728
C729
C730
C739
C738
C737
C743
C742
C722
C
73
4
C
7
41
C710
JR704
C725
C726
C
7
27
C672
C671
C719
C
7
16
C
7
1
7
C
7
1
8
R757
R754 R739
R748
SW702SW703SW704
SW706SW709SW710SW719
SW721SW701SW705
SW711SW712SW713SW714SW715SW716SW708SW720
C733
C732
C706
R751
Q672
Q671Q669
Q670Q668
Q667Q665
Q666
Q662
Q661
R687
R728
L701C711
R785
Q705
R753
R759
C720
R788
LCD702
SW700
D
7
01
R787
LED702
R711
C701
X702
IC701
CN799
JR703
R730
R714
CNS701
JR701JR702
CNS671
220k
2SC3052F
1k
1k
22k
47k
47k
47k
47k
47k
47k
47k
22k
10k
47k
470 470
47k
47k
470
470
47k
470
47k
47k
470
47k
470470
47k
2SA1235F
2SC3052F
2SC3052F
2SC3052F2SC3052F
220k
10k
220k
470k
RT1N441C
2.2
2.2
47k
10k
10k
47k
47k
2
2k
2
2k
2
2k
2
2k
2
2k
2
2k
2
2
k
10k
100k
470
10k
10k
RPM7240-H18
SELU2B10A-S
(BACK-LIGHT)
4.7k
1k
1k
1k
4.7k
4.7k
1k
1k
1k
2.2k
2.2k
2.2k
2.2k
1k
1k
10k 4.7k
10k22k
47k
470
47k
22k
4.7k
10
0
k
47
k
2
2k
2
2k
470
2SA1235F
2
.2
k
10
100k
100
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
470
4.7k
MC2836
1PS226
0.01
1
00
16
V
0.01
0
470 10V
0.1
0
1000p
32768Hz
47p
47p
0.1
1
00
0
p
1
00
0
p
1
00
0
p
4
7p
1
00
0
p
1000p
1000p
1000p
1000p
1000p
1000p
1000p
220p
220p
4700p
1
0
0
0p
22
0
p
0.22
0
0.1
0.1
0.1
0.1
22
50V
0.047
0.1
1
00
0
p
1
00
0
p
100k
10k 10k
47k
22p
22p
0.1
100k
2SC3440F
2SA1365EF2SA1365EF
2SC3440F2SC3440F
2SA1365EF2SA1365EF
2SC3440F
KTA1273Y
RT1N441C
4.7k
10k
00.1
10k
2SC3052F
100
100
0.1
0
U
D
Z
S
T
E-1
73.6
B
47
L-34HD
22k
0.1
4.19MHz
MB90802
-108
10P
0
10k
10k
27P
00
13P
10k

Sony HCD-EC50 Specifications

General

Brand	Sony
Model	HCD-EC50
Category	Stereo System
Language	English