Sharp MD-X60 Service Manual page 48

MD-X60
A
128 127 126
B
1 2 3
C
R751
100K
GP12
-35V -35V
-35V
5.1V
Q701 Q702
D
DIGB12
E
+B
F
X701
C702
8MHz
100P
R602
1M
1.9V
1
1.9V
2
3
0V
G
4
IC710
TC7WU04F
PC CONTROL
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 62.
1
C781-C789:220P (CH)
124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 3 82 81 80 79 78 77 76 75 74 73 72 71 70 69
5 6 7 8 9 10 11 12 13 14 15 16 17 18 29 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
Q701-Q715:KTC3875 GR
R752 R753 R754 R755 R756 R757
100K 100K 100K 100K 100K 100K
GP13 GP14 GP0 GP1 GP2 GP3
-35V -35V -35V -35V -35V
-35V
-35V -35V -35V -35V
5.1V 5.1V 5.1V 5.1V 5.1V 5.1V
Q703 Q704 Q705 Q706 Q707
DIGB00 DIGB01 DIGB02
DIGB13
–35V
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
R691
33 32 31 30
–35V
S9
34
SEG9
–35V
S8
35
SEG8
–35V
S7
36
SEG7
C701
S6 –35V
37
SEG6
100P
–35V
S5
38
SEG5
S4 –35V
M35500AF
39
SEG4
–35V
S3
40
SEG3
FL DRIVER
S2 –35V
41
SEG2
5.0V
8 S1 –35V
42
SEG1
S0 –35V
1.9V
7 43
SEG0
5.0V
44
6 VDD
1.9V
5
1 2 3 4 5 6 7 8 9
+B
2 3
Figure 48 SCHEMATIC DIAGRAM (9/15)
FL711
DISPLAY
C780-C766:220P (CH)
R758 R759 R760 R761 R762
100K 100K 100K 100K 100K
GP4 GP5 GP6 GP7 GP8
-35V -35V -35V -35V -35V -35V
-35V
-35V -35V -35V -35V -35V
5.1V 5.1V 5.1V 5.1V 5.1V
Q708 Q709 Q710 Q711 Q712
DIGB03 DIGB04 DIGB05 DIGB06 DIGB07 DIGB08
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
IC712
IX0069AW
FL DRIVER
68K
C731
220/10
L731
47µH
C730 L732
1/50 47µH
Q723
27 26 24 23
29 28 25 5V
–31V
–31V DIGA4
DIG4
22
DIGA3
–31V –31V –31V
DIG3 21
DIGA2 GS8
–31V
DIG2 20
R798 R797
–31V DIGA1
DIG1 19
100K 100K
IC711 DIGA0
–31V
DIG0 18
VEE 17
C735
–35V
VEE 16
1/50
CLK_A
5.0V
SCLK 15
5.1V DO
SOUT 14
4.4V DI
SIN 13
1.6V CS1
CS 12
RES
10 11
L733
R692-R697:10K 47µH
4
– 48 –
67 66 65
62 63 64
R763 R764 R765
100K 100K 100K
GP9 GP10 GP11
-35V -35V
-35V -35V -35V
+B
5.1V 5.1V 5.1V
Q713 Q714 Q715
DIGB09 DIGB10 DIGB11
Q716-Q723:KTC3875 GR
Q722 Q721 Q719 Q718
Q720
5V 5V 5V 5V 5V 5V
–31V –31V –31V –31V –31V
GS7 GS6 GS5 GS4 GS3
R796 R795 R794 R793 R792
100K 100K 100K 100K 100K
+B
5
Q717 Q716
5V
5V
–31V –31V
GS2 GS1
GS0
R791 R790
100K 100K
DISPLAY
6