Sharp XL-70 Service Manual page 27

LCD DISPLAY
8 9 10 11 12 13 14 15 16 17 18
7 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
IC701
IX0026SJ
SYSTEM CONTROL
MICROCOMPUTER
9 30 31 32 33 34 35 36 38 39
37
B
+B
+B
7
LCD701
19 20 21 22 23 24 25 26 27 28 29
SEG24
SEG25
2.5V
SEG26
2.5V
SEG27
2.5V
2.5V SEG28
2.5V SEG29
SEG30
2.5V
2.5V SEG31
2.5V SEG32
SEG33
2.5V
CCE
5V
4V BUCK
BUS3
4.3V
4.3V BUS2
4.3V BUS1
BUS0
4.3V
5V CD_STB
5V CD_RES
PU_IN
5V
CLID_DW
CLID_UP
0V
MVOL_DW
0V MVOL_UP
5V
MVOL_IND
BACK_LIGHT
NC
40 41 42 43 44 45 46 47 48 49 50
8
Figure 27 SCHEMATIC DIAGRAM (4/6)
30 31 32 33 34 35 36 37 38 39 40
75
74
73
72
71
70
69
68
67
CCE
66
R761
BUCK
1K
65
R774
BUS3
1K
64
R762
BUS2
1K
63
R763
BUS1
1K
62
R764
BUS0
1K
61
R765
CD_STB
1K
60
R766
CD_RES
1K
59
R767
PU_IN
1K
58
R768
CLID_DW
1K
57
R769
CLID_UP
1K
56
R770
1K
55
R771
1K
54
R772
1K
53
R773
52 1K
51
R785
5V
1K
SD
BIAS
STEREO
RUN_PLS
MVOL_IND
MVOL_UP
MVOL_DW
+B
REC
CD+B
CLID_PRO
P_STB
P_MUTE
MOT
SOL
CE
+B
CL
DO
DI
TAPE_SW
CLID_SW
9 10
– 27 –
DISPLAY PWB-A2
41 42
R784
47K
11
XL-70/70C
CLID_DW
13 13
CLID_UP
12 12
CDID_PRO
11 11
CLID_SW
10
10
CD_RES
9
9
CCE
8
8
BUCK
7 7
BUS3
6
6
BUS2
5 5
BUS1
4 4
BUS0
3 3
CD_STB
2
2
PU_IN
1
1
CNS703
TAPE_SW
11
A_12V
+B
10
M_12V
+B
9
D_GND
8
U_CON5V
7
SOL
6
MOT
5
REC
4
RUN_PLS
3
BIAS
2
B_CAN
1
9
SD
STEREO
DO
CL
CE
DI
CD+B
P_MUTE
P_STB
1
CFW704
+B
+B
12