Read Sharp LL-T1803 (serv.man8) Service Manual online
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 1
FOR 74LVC14
First source 74LVT14/Second 74LCX14/74LCV14
1
2
3
2
1
3
2
1
5
6
14
7
1
2
3
2
1
1
2
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
VSYNC
7
VCC
8
1
2
1
2
3
2
1
1
2
1
2
3
4
14
7
1
2
14
7
1
2
8
1
7
2
6
3
5
4
1
2
8
1
7
2
6
3
5
4
Rain
54
Gain
48
Bain
43
SOGIN
49
CLAMP
38
HSYNC
30
VSYNC
31
COAST
29
REF
58
MIDSCV
37
FILT
33
VD
26
VD
27
VD
39
VD
42
VD
45
VD
46
VD
51
VD
52
VD
59
VD
62
PVD
34
PVD
35
VDD
11
VDD
22
VDD
23
VDD
69
VDD
78
VDD
79
GND
1
GND
10
GND
20
GND
21
GND
24
GND
25
GND
28
GND
32
GND
36
GND
40
GND
41
GND
44
GND
47
GND
50
GND
53
GND
60
GND
61
GND
63
GND
68
GND
80
R7
70
R6
71
R5
72
R4
73
R3
74
R2
75
R1
76
R0
77
G7
2
G6
3
G5
4
G4
5
G3
6
G2
7
G1
8
G0
9
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
B0
19
DATACLK
67
HSOUT
66
VSOUT
64
SOGOUT
65
SDA
57
SCL
56
A0
55
1
2
9
8
14
7
1
2
1
2
1
2
1
2
8
1
7
2
6
3
5
4
3
2
1
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
1
2
8
1
7
2
6
3
5
4
C30
NC
B12
120z/100M
C7
0.1uF
R10
10K
C8
0.1uF
C11
0.1uF
C27
0.1uF
R11
10K
D15
BAV99
R22
4.7K
C42
0.1uF
C16
0.1uF
D16
BAV99
C48
NA
U3C
74LVT14
SO14
C41
0.1uF
C39
3900P
C49
NA
C4
0.1uF
B1
220z/100M
R12
3.3K
D2
BAV99
R19
68P
C51
0.1uF
R20
10K
C38
0.039u
R13
100
R21
10K
R18
68P
U4
24LC21
C1
47uF/16V
+
R5
75
R15
150
C36
NC
B7
30z/100M
D1
BAV99
R14
22
C37
NC
C23
22uF/16V
C50
0.1uF
R164
4.7K/NA
C2
47uF/16V
+
C297
68P
R24
100
R9
75
C6
0.1uF
R25
100
R7
75
C14
0.1uF
B8
0
U3B
74LVT14
SO14
U3A
74LVT14
SO14
C43
10P
B9
120z/100M
RP2
68
B10
120z/100M
C9
0.1uF
R17
150
C29
NC
C3
0.1uF
RP3
68
C301
22P
C5
0.1uF
C300
22P
U2
AD9883-140
C40
33p
B6
0
U3D
74LVT14
SO14
C12
0.1uF
B4
0
C47
0.1uF/NC
B2
220z/100M
B5
0
R209
100
C33
NC
C19
0.1uF
R6
100
C44
NA
C34
NC
C46
NC
R4
100
B3
220z/100M
RP4
68
C31
1000p
D3
BAV99
C17
0.1uF
C10
0.1uF
R8
100
C45
NC
C21
0.1uF
RP5
68
R16
150
C32
0.047u
C22
0.1uF
C15
0.1uF
C13
0.1uF
C35
0.047u
R23
4.7K
RP6
68
C28
0.047u
R26
NC
B11
120z/100M
RP1
68
C20
0.1uF
C18
0.1uF
D3V3
P3V3
A3V3
3V3
3V3
D3V3
A3V3
3V3
P3V3
P3V3
3V3
A_DDC_5V_STBY
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
3V3
3V3
3V3
GND
GND
GND
GND
GND
VCLK00
4
9883_H
4
9883_V
6
SOG_OUT
6
MCU_SDA1
6,9
MCU_SCL1
6,9
B_IN
7
G_IN
7
R_IN
7
VGA_HS
VGA_VS
VGA_SCL
7
VGA_SDA
7
G_IN07
3,4
G_IN06
3,4
G_IN05
3,4
G_IN04
3,4
G_IN03
3,4
G_IN02
3,4
G_IN01
3,4
G_IN00
3,4
B_IN00
3,4
B_IN01
3,4
B_IN02
3,4
B_IN03
3,4
B_IN04
3,4
B_IN05
3,4
B_IN06
3,4
B_IN07
3,4
R_IN07
3,4
R_IN06
3,4
R_IN05
3,4
R_IN04
3,4
R_IN03
3,4
R_IN02
3,4
R_IN01
3,4
R_IN00
3,4
VSYNC_MCU
4,6
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
ANALOG (AD9883)
CH
APT
E
R
6. CIR
CUIT
DIAGRAM
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