Sharp XL-40H Service Manual page 27

LCD701
LCD DISPLAY
15 16 17 18 19 20 21 22 23 24 25 26 27
90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
IC701
X0026SJ
ROL MICROCOMPUTER
BACK_LIGHT
36 38 39 40 41 42 43 44 45 46 47 48
37
+B
+B
7
28 29 30 31 32 33 34 35 36 37 38 39 40
SEG24
75
SEG25
2.5V
SEG26 74
2.5V
73
2.5V SEG27
72
2.5V SEG28
2.5V SEG29 71
70
2.5V SEG30
69
2.5V SEG31
68
2.5V SEG32
67
2.5V SEG33
CCE
R761
66
5V
CCE
1K
BUCK
R774
65
4V BUCK
1K
BUS3
R762
64
4.3V BUS3
1K
BUS2
R763
63
BUS2
4.3V
1K
BUS1
R764
62
4.3V BUS1
1K
BUS0
R765
61
4.3V BUS0
1K
CD_STB
R766
60
5V CD_STB
1K
CD_RES
R767
59
CD_RES
5V
1K
PU_IN
R768
58
5V PU_IN
1K
57
CLID_DW
56
CLID_UP
R771
55
0V
MVOL_DW
1K
R772
54
0V MVOL_UP
1K
53
5V MVOL_IND
R773
1K
NC 52
51
5V
R785
1K
49 50
SD
CD+B
BIAS
CLE
DATA
VSM
STEREO
RUN_PLS
MVOL_IND
MVOL_UP
MVOL_DW
REC
B_CAN
CLID_PRO
P_STB
P_MUTE
MOT
SOL
CE
CL
DO
DI
TAPE_SW
CLID_SW
8
Figure 27 SCHEMATIC DIAGRAM (4/6)
41 42
9 10
– 27 –
XL-40H/50H
CLID_SW
CD_RES
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
CD_STB
PU_IN
R784
47K
TAPE_SW
A_12V
+B
M_12V
+B
D_GND
U_CON5V
SOL
MOT
REC
RUN_PLS
BIAS
B_CAN
CLE
DATA
VSM
SD
STEREO
DO
CL
CE
+B
DI
CD+B
P_MUTE
+B
+B
+B
11
BI702 CNS702
10
10
9
9
8 8
7
7
6
6
5
5
4 4
3 3
2
2
1 1
CNS703
11
10
9
8
7
6
5
4
3
2
1
12
P_STB
1
CFW704
12