Read Sharp LL-T18A1 Service Manual online
LL-T18A1
CIRCUIT DIAGRAM
6 – 4
4/5
A
B
C
D
8765
4
32
1
1
2
3
4
5
6
7
8
D
C
B
A
LVDSVCC
PLLVCC
LVDS
_ON
LVDSVCC
PLLVCC
DISP_CL
K
LVDS
_ON
DE
N
TX
2-O
TX1+
O
TX3-
O
TX
1-E
TX0+
E
TX1+
E
TXCK-O
TX2+
E
TX0-
E
TX2+
O
TXC
K
+
O
TX1-
O
TX3+
E
TX3+
O
TX
3-E
TX0+
O
TX2-
E
TX
0-O
TXCK+E
TXCK
-E
DHS
DE
N
DISP_CL
K
DVS
TX
2-E
TX
0-E
TX3+
E
TXCK
-E
TX0+
E
TX
1-E
TX1+
E
TX2+
E
TXC
K
+
E
TX
3-E
TX
2-O
TX
1-O
TXCK
-O
TX
3-O
TX0+
O
TXC
K
+
O
TX
0-O
TX3+
O
TX1+
O
TX2+
O
EG
0
EG
1
EG
3
EG
4
EG
5
EB
0
EB
1
EB
3
EB
4
EB
5
ER1
ER3
EG
2
EG
7
EB
2
EB
6
ER4
EG
6
DHS
DVS
EB
7
OG
2
OB
6
OG
5
OG
7
OR6
OR0
OG
3
OG
4
OB
3
OR1
OR4
OB
2
OG
1
OR5
OG
6
OB
5
OR2
OR3
OR7
OG
0
OB
0
OB
1
OB
4
OB
7
ER0
ER2
ER5
ER6
ER7
EB[0..7
]
4
EG[0..7]
4
4
ER[0..7]
4
4
LVDS
_EN
4
OB[0
..
7]
4
O
R
[0
..
7
]
OG[
0
..7]
4
DHS
4
DISP_CL
K
4
DVS
4
DE
N
4
+3
.3
V
VCC_PN
L
GND
GND
GND
GND
GND
GND
GND
GND
GND
+3
.3
V
+3
.3
V
+3
.3
V
+3
.3
V
+3
.3
V
+3
.3
V
+3
.3
V
GND
C77
0.
1uF
C76
0.
1uF
C85
0.
1uF
B6
6
60
0z/100
M
R74
33_NA
R75
33_NA
+
10uF
C75
C74
0.
1uF
+
C73
10uF
B4
8
600
z
/100M
C79
0.
1uF
C141
0.
1uF
B3
8
60
0z/100
M
C80
0.1
u
F
C63
0.
1uF
B4
4
60
0z/100
M
C78
0.1
u
F
B7
8
600
z
/100M
C64
0.1
u
F
J1
HEADER_15x2
/SM
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
+
C84
10uF
R68
4.7K
C90
0.
1uF
B4
9
60
0z/100
M
C61
0.
1uF
+
10uF
C87
U10
DS90C383
M
TD
TSSO
P56
51
52
54
55
56
2
3
4
6
7
8
10
11
12
14
15
16
18
19
20
22
31
32
48
47
46
45
42
41
40
39
44
49
43
36
34
35
33
5
13
21
29
53
1
9
17
26
50
23
24
25
27
28
30
38
37
TXIN0
TXIN1
TXIN2
TXIN3
TXIN4
TXIN5
TXIN6
TXIN7
TXIN8
TXIN9
TXIN10
TXIN11
TXIN12
TXIN13
TXIN14
TXIN15
TXIN16
TXIN17
TXIN18
TXIN19
TXIN20
TXCLKIN
PWRDWN
TXOUT0-
TXOUT0+
TXOUT1-
TXOUT1+
TXOUT2-
TXOUT2+
TXCLKOUT-
TXCLKOUT+
LVDSVCC
LVDSGND
LVDSGND
LVDSGND
PLLVCC
PLLGND
PLLGND
GND
GND
GND
GND
GND
V
V
R_FB
V
TXIN27
TXIN21
TXIN22
TXIN23
TXIN24
TXIN25
TXIN26
TXOUT3-
TXOUT3+
B7
3
60
0z/100
M
C62
0.1
u
F
U9
DS90C383
M
TD
TSSO
P56
51
52
54
55
56
2
3
4
6
7
8
10
11
12
14
15
16
18
19
20
22
31
32
48
47
46
45
42
41
40
39
44
49
43
36
34
35
33
5
13
21
29
53
1
9
17
26
50
23
24
25
27
28
30
38
37
TXIN0
TXIN1
TXIN2
TXIN3
TXIN4
TXIN5
TXIN6
TXIN7
TXIN8
TXIN9
TXIN10
TXIN11
TXIN12
TXIN13
TXIN14
TXIN15
TXIN16
TXIN17
TXIN18
TXIN19
TXIN20
TXCLKIN
PWRDWN
TXOUT0-
TXOUT0+
TXOUT1-
TXOUT1+
TXOUT2-
TXOUT2+
TXCLKOUT-
TXCLKOUT+
LVDSVCC
LVDSGND
LVDSGND
LVDSGND
PLLVCC
PLLGND
PLLGND
GND
GND
GND
GND
GND
V
V
R_FB
V
TXIN27
TXIN21
TXIN22
TXIN23
TXIN24
TXIN25
TXIN26
TXOUT3-
TXOUT3+
SOURCE
SOFTP
OWER
LED
_
R
LED_G
MENU
SE
L
DOWN
UP
GPIO
7
4
GPIO
6
4
SELECT
4
GPIO
3
4
4
4
4
LED_GR
EEN
4
GND
GND
+3
.3
V
C67
C72
C68
C71
C70
R69
4.7K
RP2
4.7K
8
1
7
2
6
3
5
4
R70
4.7K
R71
22
0
R72
22
0
C65
100P
C66
B1
8
3
0
0z/10
0
M
B1
7
3
0
0z/10
0
M
B1
6
3
0
0z/10
0
M
R67
10
K
B1
1
3
0
0z/10
0
M
R66
10
K
B1
2
3
0
0z/10
0
M
B1
3
3
0
0z/10
0
M
B1
4
3
0
0z/10
0
M
B1
5
3
0
0z/10
0
M
RP1
10
K
8
1
7
2
6
3
5
4
JP2
PH_9
1
2
3
4
5
6
7
8
9
B1
9
3
0
0z/10
0
M
C69
R03 PCB
BRI_PW
M
4
PBIAS
4
GND
GND
+1
2
V
+5
V
GND
GND
+5
V
GND
R166
0ohm/NC
B7
5
220Z/1
00M
08
05
1
2
R137
1K
B7
0
220Z/1
00M
08
05
1
2
C89
100u
F/16
V
CPW
X
66
1
2
C91
NA
JP3
PH_6
1
2
3
4
5
6
R76
1K_NC
R73
5.6K
L6
4.7UH/
8
A
CORE_7X13X2S
D
1
2
C8
8
0.
1uF
1
2
C82
100u
F/
2
5
V
CP
WX66
1
2
C83
0.1
u
F
R139
4.7K
Q7
MM
BT3904L
C
B
E
R77
47K_NC
R138
1K
Q1
MMBT390
6L_NC
B
E
C
SAMSUNG LTM170EH-L01 LVDS INTERFAC
E
CONTROL RANGE 0 TO 3.3V
GPIO
2
LED_RED
HOT_KEY
100P
100P
100P
100P
100P
100P
100P
TO KEY CTRL BD
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