Read Sharp LL-T1803 (serv.man7) Service Manual online
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 6
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
I/O INTERF
A
C
E
11
22
44
55
66
R192
0
C192
100P
C196
100P
C287
100P
C195
100P
C194
100P
FD1
FIDUCIAL-MARK
FD2
FIDUCIAL-MARK
FD6
FIDUCIAL-MARK
JP5
PH_4/NA
FD5
FIDUCIAL-MARK
FD3
FIDUCIAL-MARK
L3
220Z/100M
0805
FD4
FIDUCIAL-MARK
L2
220Z/100M
0805
FD8
FIDUCIAL-MARK
C205
0.1uF/NA
FD7
FIDUCIAL-MARK
J1
CONN_DVI-D
Q13
MMBT3904L
C202
100uF/25V
CPWX8.3
MTG3
ID3.5/OD7.0
C206
0.1uF/NA
JP3
DB-15
B100
220z/100M/NA
B87
600z/100M
MTG5
ID3.5/OD7.0
D7
BAV70LT1
C203
NA
B89
300z/100M/NA
JP4
PH_6
R143
20K
C204
NA
R119
5.6K
L1
4.7UH/8A
CORE_7X13X2SD
JP6
PH_3/NA
C201
0.1uF
MTG4
ID3.5/OD7.0
B88
220z/100M
C198
100uF/25V
CPWX8.3
MTG1
ID3.5/OD7.0
C199
0.1uF
C190
100P
C191
100P
C200
0.1uF
B85
300z/100M
R120
47K
C335
NA
B84
300z/100M
B83
300z/100M
B78
300z/100M
D6
BAV70LT1
B79
300z/100M
C284
0.1uF/NA
B80
300z/100M
B81
300z/100M
B82
300z/100M
R121
4.7K
JP2
PH_9
B86
300z/100M
MTG2
ID3.5/OD7.0
B77
600z/100M
R191
0
C193
100P
GND
GND
A_DDC_5V_STBY
A_DDC_+5V
5V_STBY
A_DDC_+5V
D_DDC_5V_STBY
5V_STBY
D_DDC_+5V
GND
GND
D_DDC_+5V
GND
GND
5V_STBY
GND
GND
GND
GND
GND
5V_STBY
12V
5V_STBY
GND
GND
G_IN
2
B_IN
2
R_IN
2
VGA_HS
2
VGA_VS
2
RX_D0-
3
RX_D0+
3
RX_D1-
3
RX_D1+
3
RX_D2-
3
RX_D2+
3
DDC_SDA
3
DDC_SCL
3
D_HPD
6
ISP_SCL
6
ISP_SDA
6
BL_PWM
6
ABC
6
ISP_SCL
6
ISP_SDA
6
BL_ON_OFF#
6
RX_CLK-
3
RX_CLK+
3
VGA_SDA
2
VGA_SCL
2
LED_AMBER
6
SELECT#
6
MENU#
6
SOURCE_SEL#
6
LED_GREEN
6
SOFT_START#
6
ISP_SCL
6
ISP_SDA
6
UP#
6
DOWN#
6
TO INVERTER
TO DEBUG PORT
ANALOG INPUT
DIGITAL INPUT
TO KEY CTRL BD
TO SENSOR BD
1
2
3
4
12
D2-
1
D2+
2
D2/4
3
D4-
4
D4+
5
DDC CLK
6
DDC DATA
7
VSYNC
8
D1-
9
D1+
10
D1/3
11
D3-
12
D3+
13
+5V
14
GNDA
15
PLUG
16
D0-
17
D0+
18
D0/5
19
D5-
20
D5+
21
TMDS CLK
22
TMDS CLK+
23
TMDS CLK-
24
GND1
GND1
GND2
GND2
GND3
GND3
GND4
GND4
C
B
E
1
2
4
5
6
7
9
10
1
2
3
2
3
8
11
12
1
1
2
2
3
3
4
4
5
5
10
10
9
9
8
8
7
7
6
6
11
11
12
12
13
13
14
14
15
15
16
16
17
17
12
4
5
6
7
9
10
1
2
3
2
3
8
11
12
12
1
2
3
4
5
6
12
1
2
3
1
2
4
5
6
7
9
10
1
2
3
2
3
8
11
12
1
2
1
2
4
5
6
7
9
10
1
2
3
2
3
8
11
12
12
1
2
3
4
5
6
7
8
9
7
9
10
1
2
3
2
3
8
11
12
+5V
ABC
GND
1
1
1
1
1
1
1
1
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