Sharp GX-CD30 Service Manual page 26

GX-CD30/30C/130/130C
DISPLAY PWB-A2
A
8
B
C
D
TR1 LED
TR2 LED
MTCONT1
E
F
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
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R771
3.9K
R772
2.7K
R773
1.8K
LCD771 R774
1.5K
4 2
7 6 5 3 1
+B
R710
10K
R711
2.7K
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
SYNC-IN
49
SEG12 TORAY2
50 SEG11 TORAY1
51 SEG10
REMCON
52 SEG9
53 SEG8
IC701
54 SEG7
IX0105AW
55 SEG6
SYSTEM
56 SEG5
SEG4
57
MICROCOMPUTER
58 SEG3
SEG2
59
SEG1
60
SEG0
61
P00
62
P01
63
SQOUT
P02
64
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
R726
R728
R729
R731
R732
R733
R718~
R725: 15K
R735
1K
R716
10K
1 2 3
FW603
CNP603
P22 5 - E
TO MAIN PWB
2
Figure 26 SCHEMATIC DIAGRAM (5/5)
manuals search engine
SW774
DOWN/
REVIEW
REMOTE
SW773
SENSOR
UP/CUE
RX771
SW775
PAUSE
1
SW771
PLAY/
3
REPEAT
SW772
R779
STOP
47
R708
1K
+B
R709
1K
R712
1K
33
R714
10K
P32 32
P31 31
C704 R715
30
INT2 P30
100/10 15K
29
VREF
28 C705
AVSS
0.022
27
XCIN
XCOUT 26
VDD 25
VSS 24
XOUT 23
R713
22
XIN
1K
21
RESET
X701
20
P23
PU-IN
4.19MHz
19
WRQ P22
18
P21
DRF P20 17
R734
1K R730
1K
1K
1K
1K
1K
1K
1K
+B
R741
3.3K
Q740
KRC102 M
3
2
R740
1
4.7K
D741
1SS133
3 4
– 26 –
2
SWITCH
PWB-A5
130/130C
ONLY
FW772
1
1
3 3
OPEN/CLOSE
PIN
NO. VOLTAGE
1 0V
2 0V
3 0V
4 0V
5 0V
6 0V
7 3.9V
8 0V
9 5V
10 4.1V
11 4.1V
12 0V
13 0V
14 0V
15 0.4V
0.4V
16
+B
0V
17
0V
18
0V
19
0V
20
21 5V
22 2.5V
23 2.5V
24 0V
25 5V
26 5V
0V
27
0V
28
5V
29
30 4.8V
31 0V
32 3.8V
12
11
10
9
8
7
SL (–)
6
TO CD SERVO
SL (+)
5
4
3
2
1
FW852
+B
R742
1K
C741
3.3/50
R743
100K
5
SW761
CD LID
IC701
PIN
NO. VOLTAGE
33 5V
34 0V
35 0V
36 0V
37 0.4V
38 5V
39 3.1V
40 1.5V
41 2.4V
42 2.4V
43 2.4V
44 2.4V
45 2.4V
46 2.4V
47 2.4V
2.4V
48
2.4V
49
2.4V
50
2.4V
51
2.4V
52
53 2.4V
54 2.4V
55 2.4V
56 2.4V
57 2.4V
58 2.4V
2.4V
59
2.4V
60
61 2.4V
62 0V
63 0V
64 0V
P18 3 - G
CNP852
PWB
6