Sharp LL-T1803 (serv.man15) Service Manual ▷ View 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
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 2
Only for 18A1
R_IN17
R_IN14
R_IN11
R_IN12
R_IN13
R_IN16
R_IN15
R_IN10
G_IN14
G_IN12
G_IN17
G_IN11
G_IN13
G_IN16
G_IN15
G_IN10
B_IN11
B_IN17
B_IN16
B_IN14
B_IN15
B_IN13
B_IN12
B_IN10
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
1
2
1
2
8
1
7
2
6
3
5
4
QO23
77
OVCC
78
AGND
79
RX2+
80
RX2-
81
AVCC
82
AGND
83
AVCC
84
RX1+
85
RX1-
86
AGND
87
AVCC
88
AGND
89
RX0+
90
RX0-
91
AGND
92
RXC+
93
RXC-
94
AVCC
95
EXT_RES
96
PVCC
97
PGND
98
RESERVED
99
OCK_INV
100
DFO
1
PD
2
ST
3
PIXS
4
GND
5
VCC
6
STAG_OUT
7
SCDT
8
PDO
9
QE0
10
QE1
11
QE2
12
QE3
13
QE4
14
QE5
15
QE6
16
QE7
17
OVCC
18
OGND
19
QE8
20
QE9
21
QE10
22
QE11
23
QE12
24
QE13
25
QE14
26
QE15
27
OGND
28
OVCC
29
QE16
30
QE17
31
QE18
32
QE19
33
QE20
34
QE21
35
QE22
36
QE23
37
VCC
38
GND
39
CTL1
40
CTL2
41
CTL3
42
OVCC
43
ODCK_O_CLK
44
OGND
45
DE
46
VSYNC
47
HSYNC
48
QO0
49
QO1
50
QO2
51
QO3
52
QO4
53
QO5
54
QO6
55
QO7
56
OVCC
57
OGND
58
QO8
59
QO9
60
QO10
61
QO11
62
QO12
63
QO13
64
QO14
65
QO15
66
VCC
67
GND
68
QO16
69
QO17
70
QO18
71
QO19
72
QO20
73
QO21
74
QO22
75
OGND
76
8
1
7
2
6
3
5
4
1
2
1
2
1
2
1
2
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
VSYNC
7
VCC
8
1
2
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
R34
510
RP15
33
RP9
33
RP17
33
R35
510/NA
RP11
33
R36
510/NA
RP12
33
R37
510/NA
C52
22uF/16V
B14
120z/100M
R40
510/NA
R33
510/NA
JS5
JP_SMT4_DFS
RP18
33
U6
SiI161
RP16
33
R38
510/NA
R39
510/NA
C63
0.1uF
C72
68P
C283
68P
R31
33
JS4
JP_SMT4_DFS
R32
510
R166
NA
R177
330
B19
120z/100M
B20
120z/100M
R30
0
R51
0
U7
24C01
C74
0.1uF
RP13
33
RP14
33
R43
4.7K
R52
100
R44
4.7K
B16
220z/100M
R50
100
C64
22uF/16V
C65
0.1uF
C66
0.1uF
C67
0.1uF
C56
10uF/16V
C68
0.1uF
R46
100
C55
0.1uF
C62
0.1uF
C58
22uF/16V
C61
0.1uF
C54
0.1uF
C60
0.1uF
R42
0
C53
0.1uF
R178
NC
C59
0.1uF
R48
100
C73
NA
R49
100
C57
0.1uF
B15
220z/100M
R41
NC
B13
220z/100M
RP7
33
RP8
33
RP10
33
O3_3V
DA3_3V
O3_3V
D3_3V
DP3_3V
D3_3V
O3_3V
DP_GND
DA_GND
DP_GND
GND
GND
O3_3V
GND
GND
GND
GND
DP_GND
DA_GND
GND
GND
O3_3V
DA_GND
DP3_3V
D3_3V
D3_3V
DA3_3V
GND
D_DDC_5V_STBY
GND
GND
GND
3V3
3V3
3V3
3V3
DDC_SCL
DDC_SDA
HSYNC_D
6
VSYNC_D
6
SCDT
6
RX_D2+
7
RX_D2-
7
RX_D1+
7
RX_D1-
7
RX_D0+
7
RX_D0-
7
RX_CLK+
7
RX_CLK-
7
PD#
6
PDO#
6
R_IN11
4
R_IN16
4
R_IN17
4
R_IN10
4
R_IN14
4
R_IN13
4
R_IN12
4
R_IN15
4
G_IN11
4
G_IN15
4
G_IN17
4
G_IN10
4
G_IN13
4
G_IN14
4
G_IN16
4
G_IN12
4
B_IN12
4
B_IN10
4
B_IN13
4
B_IN11
4
B_IN14
4
B_IN16
4
B_IN15
4
B_IN17
4
G_IN06
2,4
G_IN04
2,4
G_IN02
2,4
G_IN00
2,4
B_IN05
2,4
B_IN06
2,4
B_IN07
2,4
B_IN01
2,4
G_IN01
2,4
B_IN02
2,4
B_IN03
2,4
G_IN05
2,4
B_IN04
2,4
G_IN03
2,4
G_IN07
2,4
B_IN00
2,4
R_IN04
2,4
R_IN07
2,4
R_IN06
2,4
DE_IN
4
VCLK01
4,6
R_IN05
2,4
R_IN00
2,4
R_IN02
2,4
R_IN03
2,4
R_IN01
2,4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
DIGIT
AL (SiI161)
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 3
Only for 18A1
R_IN17
R_IN14
R_IN11
R_IN12
R_IN13
R_IN16
R_IN15
R_IN10
G_IN14
G_IN12
G_IN17
G_IN11
G_IN13
G_IN16
G_IN15
G_IN10
B_IN11
B_IN17
B_IN16
B_IN14
B_IN15
B_IN13
B_IN12
B_IN10
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
1
2
1
2
8
1
7
2
6
3
5
4
QO23
77
OVCC
78
AGND
79
RX2+
80
RX2-
81
AVCC
82
AGND
83
AVCC
84
RX1+
85
RX1-
86
AGND
87
AVCC
88
AGND
89
RX0+
90
RX0-
91
AGND
92
RXC+
93
RXC-
94
AVCC
95
EXT_RES
96
PVCC
97
PGND
98
RESERVED
99
OCK_INV
100
DFO
1
PD
2
ST
3
PIXS
4
GND
5
VCC
6
STAG_OUT
7
SCDT
8
PDO
9
QE0
10
QE1
11
QE2
12
QE3
13
QE4
14
QE5
15
QE6
16
QE7
17
OVCC
18
OGND
19
QE8
20
QE9
21
QE10
22
QE11
23
QE12
24
QE13
25
QE14
26
QE15
27
OGND
28
OVCC
29
QE16
30
QE17
31
QE18
32
QE19
33
QE20
34
QE21
35
QE22
36
QE23
37
VCC
38
GND
39
CTL1
40
CTL2
41
CTL3
42
OVCC
43
ODCK_O_CLK
44
OGND
45
DE
46
VSYNC
47
HSYNC
48
QO0
49
QO1
50
QO2
51
QO3
52
QO4
53
QO5
54
QO6
55
QO7
56
OVCC
57
OGND
58
QO8
59
QO9
60
QO10
61
QO11
62
QO12
63
QO13
64
QO14
65
QO15
66
VCC
67
GND
68
QO16
69
QO17
70
QO18
71
QO19
72
QO20
73
QO21
74
QO22
75
OGND
76
8
1
7
2
6
3
5
4
1
2
1
2
1
2
1
2
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
VSYNC
7
VCC
8
1
2
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
R34
510
RP15
33
RP9
33
RP17
33
R35
510/NA
RP11
33
R36
510/NA
RP12
33
R37
510/NA
C52
22uF/16V
B14
120z/100M
R40
510/NA
R33
510/NA
JS5
JP_SMT4_DFS
RP18
33
U6
SiI161
RP16
33
R38
510/NA
R39
510/NA
C63
0.1uF
C72
68P
C283
68P
R31
33
JS4
JP_SMT4_DFS
R32
510
R166
NA
R177
330
B19
120z/100M
B20
120z/100M
R30
0
R51
0
U7
24C01
C74
0.1uF
RP13
33
RP14
33
R43
4.7K
R52
100
R44
4.7K
B16
220z/100M
R50
100
C64
22uF/16V
C65
0.1uF
C66
0.1uF
C67
0.1uF
C56
10uF/16V
C68
0.1uF
R46
100
C55
0.1uF
C62
0.1uF
C58
22uF/16V
C61
0.1uF
C54
0.1uF
C60
0.1uF
R42
0
C53
0.1uF
R178
NC
C59
0.1uF
R48
100
C73
NA
R49
100
C57
0.1uF
B15
220z/100M
R41
NC
B13
220z/100M
RP7
33
RP8
33
RP10
33
O3_3V
DA3_3V
O3_3V
D3_3V
DP3_3V
D3_3V
O3_3V
DP_GND
DA_GND
DP_GND
GND
GND
O3_3V
GND
GND
GND
GND
DP_GND
DA_GND
GND
GND
O3_3V
DA_GND
DP3_3V
D3_3V
D3_3V
DA3_3V
GND
D_DDC_5V_STBY
GND
GND
GND
3V3
3V3
3V3
3V3
DDC_SCL
DDC_SDA
HSYNC_D
6
VSYNC_D
6
SCDT
6
RX_D2+
7
RX_D2-
7
RX_D1+
7
RX_D1-
7
RX_D0+
7
RX_D0-
7
RX_CLK+
7
RX_CLK-
7
PD#
6
PDO#
6
R_IN11
4
R_IN16
4
R_IN17
4
R_IN10
4
R_IN14
4
R_IN13
4
R_IN12
4
R_IN15
4
G_IN11
4
G_IN15
4
G_IN17
4
G_IN10
4
G_IN13
4
G_IN14
4
G_IN16
4
G_IN12
4
B_IN12
4
B_IN10
4
B_IN13
4
B_IN11
4
B_IN14
4
B_IN16
4
B_IN15
4
B_IN17
4
G_IN06
2,4
G_IN04
2,4
G_IN02
2,4
G_IN00
2,4
B_IN05
2,4
B_IN06
2,4
B_IN07
2,4
B_IN01
2,4
G_IN01
2,4
B_IN02
2,4
B_IN03
2,4
G_IN05
2,4
B_IN04
2,4
G_IN03
2,4
G_IN07
2,4
B_IN00
2,4
R_IN04
2,4
R_IN07
2,4
R_IN06
2,4
DE_IN
4
VCLK01
4,6
R_IN05
2,4
R_IN00
2,4
R_IN02
2,4
R_IN03
2,4
R_IN01
2,4
SiI161
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
LVDS INTERF
A
C
E
B72
220z/100M
C155
0.01uF
C160
0.01uF
C159
0.1uF
C158
22uF/16V
R160
10
C157
0.01uF
C282
15pF
C154
0.1uF
R210
NA
C162
0.01uF
R211
NA
C145
22uF/16V
B70
220z/100M
C148
0.1uF
C156
0.1uF
B73
220z/100M
C149
0.1uF
C161
0.1uF
C153
22uF/16V
R181
33
R180
33
JP1
HEADER_15x2/SM
C242
0.1uF
B74
220z/100M
R71
NC
L21
600z/100M
R72
0
U10
83A
R70
0
R69
NC
B71
220z/100M
C146
0.1uF
C152
47uF/16V
+
C147
0.1uF
C151
0.1uF
C150
0.1uF
U11
83A
3V3LVDSA
3V3LVDSP
3V3LVDSD
3V3LVDSA
3V3LVDSP
3V3LVDSD
3V3LVDSA
GND
GND
LCDS_GND
GND
GND
3V3b
LCDS_GND
3V3LVDSP
LCDS_GND
LCDS_GND
GND
GND
GND
GND
GND
LCDS_GND
3V3LVDSD
GND
VCC_LCD
GND
GND
GND
GB1
4
GB2
4
GB6
4
GB7
4
GB3
4
GB4
4
GB5
4
BB0
4
BB6
4
BB7
4
BB1
4
BB2
4
BB3
4
BB4
4
BB5
4
LCD_HS
4
LCD_VS
4
LCD_CLK
4
GA4
4
GA7
4
GA3
4
BA0
4
BA6
4
GA5
4
BA1
4
BA7
4
BA2
4
BA5
4
BA4
4
BA3
4
LCD_DE
4
RB7
4
GB0
4
RB5
4
LCD_HS
4
LCD_CLK
4
LCD_VS
4
RA4
4
RA3
4
RA2
4
RA1
4
RA0
4
RA6
4
RB6
4
RB1
4
RB0
4
RB2
4
RB3
4
RB4
4
LCD_DE
4
RA7
4
GA0
4
RA5
4
GA6
4
GA2
4
GA1
4
LVDS_PD#
6
LVDS_PD#
6
SR2P
SR1P
SCLKM
FR0M
SCLKP
FR1P
SR2M
FR0P
FR1M
SR1M
SR3M
SR3P
FR0P
FR0M
FR2P
FR2M
FCLKP
FCLKM
SR1P
SR1M
SR3P
SR3M
FR1P
FR1M
FR3M
FR3P
SR0M
SR2P
SR0P
SCLKP
SR2M
LCDS_GND
LCDS_GND
SR0P
SR0M
FR2M
FCLKM
FCLKP
FR2P
FR3P
FR3M
SCLKM
1
2
1
2
1
2
12
34
56
78
91
0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
VCC
1
D5
2
D6
3
D7
4
GND
5
D8
6
D9
7
D10
8
VCC
9
D11
10
D12
11
D13
12
GND
13
D14
14
D15
15
D16
16
CLKSEL
17
D17
18
D18
19
D19
20
GND
21
D20
22
D21
23
D22
24
D23
25
VCC
26
D24
27
D25
28
GND
29
D26
30
CLKIN
31
SHTDN
32
PLLGND
33
PLLVCC
34
PLLGND
35
LVDSGND
36
Y3P
37
Y3M
38
CLKOUTP
39
CLKOUTM
40
Y2P
41
Y2M
42
LVDSGND
43
LVDSVCC
44
Y1P
45
Y1M
46
Y0P
47
Y0M
48
LVDSGND
49
D27
50
D0
51
D1
52
GND
53
D2
54
D3
55
D4
56
1
2
2
VCC
1
D5
2
D6
3
D7
4
GND
5
D8
6
D9
7
D10
8
VCC
9
D11
10
D12
11
D13
12
GND
13
D14
14
D15
15
D16
16
CLKSEL
17
D17
18
D18
19
D19
20
GND
21
D20
22
D21
23
D22
24
D23
25
VCC
26
D24
27
D25
28
GND
29
D26
30
CLKIN
31
SHTDN
32
PLLGND
33
PLLVCC
34
PLLGND
35
LVDSGND
36
Y3P
37
Y3M
38
CLKOUTP
39
CLKOUTM
40
Y2P
41
Y2M
42
LVDSGND
43
LVDSVCC
44
Y1P
45
Y1M
46
Y0P
47
Y0M
48
LVDSGND
49
D27
50
D0
51
D1
52
GND
53
D2
54
D3
55
D4
56
1
Display
