Chapter 6. Circuit Schematics And Parts Layout; Wiring Side Of P.w.board/Schematic Diagram - Sharp SD-EX220H Service Manual

SD-EX220H E Market Service Manual Audio
CHAPTER 6.
CIRCUIT SCHEMATICS AND PARTS LAYOUT

[1] Wiring side of P.W.Board/schematic diagram

A
B
JHP601
HEADPHONES
CNP602
R649
5
4
C633
3
2
R648
1
C634
C
HEADPHONES
PWB-B2
D
6 - 4 5 - F
CNP931
TO POWER PWB
E
COLOR TABLE
B R BROWN
R D ( R )
O R ORANGE
Y L YELLOW
F
G R GREEN
B L BLUE
V L VIOLET
G Y GRAY
W H ( W ) WHITE
B K BLACK
P K PINK
G
H
1
DISPLAY PWB-B1
SW609
ON/
STAND-BY
6
BL
5
WH
4
BL
3
WH
2
RD
1
CNS602
1
SW601
VOLUME
DOWN
R611
R716
R719
R610
R673
12
BL
11
BL
10
BL
9
BL
R620
8
BL
7
BL
6
BL
5
BL
4
BL
3
SW611
BL
2
BASS/
RD
1
TREBLE
CNS601
1
R718
SW604
SKIP/
TUNING UP
C630
D605
D603
C629
RED
R724
R725
SW612
SKIP/
C780
TUNING
DOWN
D780
1 3 2
C782
IC780
SW610
OPEN/
CLOSE
2
C625
R710
R709
LED604
C624
R738
R612
C622
R613
R776
SW602
C605
VOLUME
R775
C607
UP
20
30 25
C608
35
31
40
R739
R619
C786
R616
C604
L601
R636
D604
SW606
AUX
R720
R731
3
SW607
C639 2
TUNER
R638
1
(BAND)
C636
IC608
R729
1
2
3
3
2
1
SW615
PLAY/
PAUSE
CNP601
34 32 30 28 26 24 22 20 18
33 31 29 27 25 23 21 19 17
SW608
STOP
34
CNP501
6 - 3 7 - F
TO MAIN PWB
3 4
6 – 1
45
R743
44
C619
41
C635
40
39
38
37
C623
100
1
36
35
34
5
33
95
32
10
90
31
15
81
85
30
75
IC701
80 29
70
28
65
27
60 26
45
25
55
24
23
22
50 51
21
20
19
18
R647
17
16
15
C617
14
R779
13
12
C616
11
10
R778
9
C614
8
7
6
5
2
1
R761
LED602
LED601
Q607
R785
C612
16 14 12 10 8 6 4 2
15 13 11 9 7 5 3 1
RM601
1
FFC501
5
SD-EX220H
1 2 3
C613
1
2
3
BI771
2 1
1 2
CNS771
1 2
CNP771
SWITCH PWB-B3
6