Schematic Diagram - LG FLATRON W2243T Service Manual

H_Sy nc
V_Sy nc
5VCC
R144
R143
4K7 1/16W 5% 4K7 1/16W 5%
DSUB_SCL 15
5 DDC1_SCL
R101 14
100R 1/16W 5%
13
DSUB_SDA 12
5 DDC1_SDA
R113 11
100R 1/16W 5%
R139
1K 1/16W 5%
CN102
8
VSY NC
15 DVI_HPD
SY NC GND
6
DDC SCL
7
DDC SDA
14
+5V
16
HPD
11
1/3shield
3
2/4shield
19
0/5shield
22
clk shield
18
DAT0+
17
DAT0-
10
DAT1+
9
DAT1-
2
DAT2+
1
DAT2-
13
DAT3+
12
DAT3-
5
DAT4+
4
DAT4-
21
DAT5+
20
DAT5-
23
clk+
24
clk-
ESD_5V
JACK
U107
4
I/O3 I/O2
5
VDD GND
C120 6
I/O4 I/O1
NC
AZC199-04S
GND POWER DGND

SCHEMATIC DIAGRAM

R102
0R05 1/10W 5%
R106 R107 C103 C104
2K2 1/16W 5% 2K2 1/16W 5% 22pF 22pF
CN101
DSUB_5V
10
5 VGA_PLUG
9 DSUB_5V
4
8 VGA_B-
3 VGA_B+
7 VGA_G- ZD105
ZD104
2 VGA_G+
RLZ5.6B
NC/RLZ5.6B
6 VGA_R-
1 VGA_R+
DB15
5 VGA_DET
R141
1K 1/16W 5%
DVI_5V
DVI_SCL
DVI_SDA
R120 1K 1/16W 5%
C115
0.1UF 16V
ESD_5V
U105 U106
3 1 6 1
I/O1 I/O4 I/O1
2 2 5 2
GND VDD GND
1 3 4 3
I/O2 I/O3 I/O2 I/O3
C118
AZC199-04S AZC199-04S
NC
1. SCALER
R103 100R 1/16W 5%
R104
100R 1/16W 5%
5V_ESD
U104
DSUB_SDA 6 1 H_Sy nc
I/O4 I/O1
5 2
VDD GND
DSUB_SCL 4 3 V_Sy nc
I/O3 I/O2
AZC199-04S
C112
NC
U103
5V_ESD
VGA_R+ 3 4 VGA_B+
I/O2 I/O3
2 5
GND VDD
VGA_G+ 1 6
I/O1 I/O4
C101
AZC199-04S
NC
R118 100R 1/16W 5% DDC2_SCL
R119 100R 1/16W 5% DDC2_SDA
R140
NC
R126 10R 1/16W 5% RX0P
R127 10R 1/16W 5% RX0N
R128 10R 1/16W 5% RX1P
R129 10R 1/16W 5% RX1N
R130 10R 1/16W 5% RX2P
R131 10R 1/16W 5% RX2N
R132 10R 1/16W 5% RXCP
R134 10R 1/16W 5% RXCN
ESD_5V
6
I/O4
5
VDD
4 4K7 1/16W 5%
R137 R138
C119 4K7 1/16W 5% 4K7 1/16W 5%
NC DVI_SCL R121 100R 1/16W 5%
DVI_SDA R122
100R 1/16W 5%
- 38 -
FB102
VGA_B+ 1 2 R105
BEAD
R108 C105
5pF/50V
75R 1/16W 5%
VGA_B- R109
R110
FB103
VGA_G+ 1 2 R111
BEAD
R112 C109
5pF/50V
75R 1/16W 5%
VGA_G- R114
FB101
VGA_R+ 1 2 R115
BEAD
R116
C113
75R 1/16W 5% 5pF/50V
VGA_R- R117
DVI_5V
R133
NC
Q101 R135
NC NC NC/4K7 1/16W 5%
R148 R149
NC/4K7 1/16W 5% NC/4K7 1/16W 5%
DSUB_SCL R150 NC/100R 1/16W 5%
DSUB_SDA R147 NC/100R 1/16W 5%
DVI_5V 5VCC
5 DDC_WP
D102
BAV70
R136 C117
0.22uF16V
U102
8 1
VCC A0
7 2 ESD_5V
WP A1
6 3
SCL A2
5 4
SDA VSS
M24C02-RMN6TP
100R 1/16W 5% C102
0.047uF
100R 1/16W 5% C106
0.047uF
470R 1/16W 5% C107
1000pF
100R 1/16W 5% C108
0.047uF
100R 1/16W 5% C110
0.047uF
100R 1/16W 5% C111
0.047uF
100R 1/16W 5% C114
0.047uF
DSUB_5V 5VCC
D103
NC/BAT54C
C121
R151 NC/0.22uF16V
U108
8 1
VCC A0
7 2
WP A1
6 3
SCL A2
5 4
SDA VSS
NC / M24C02-WMN6TP
5VCC
5V_ESD
FB105 R142
0 OHM +-5% 1/16W
1 2
120 OHM