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Schematic Diagram
Analog And Digital Input
DDC_SDA_A1
R108
100
DDC_SCL_A1
R109
100
R114
100
GPIO4/UART_DI
R115
100
GPIO5/UART_DO
C118
0.1uF/16V
ZD106
ZD107
MLL5232B 5.6V(NC)
MLL5232B 5.6V(NC)
GND
GND
GND
2003/02/21
VGA_5V
+5V
EMI SOULATION ADD C118
D106
BAT54C-GS08
C114
0.1uF/16V
R116
R117
20K
20K
GPIO4/UART_DI
GND
R118 100
DDC_SDA_A1
H-Sync
U104
V-Sync
1
8
A0
VCC
2
7
R119 100
A1
WP
3
6
DDC_SCL_A1
A2
SCL
4
5
GND
SDA
M24C02WMN6
GND
ZD104
ZD105
MLL5232B 5.6V
MLL5232B 5.6V
GND
GND
GND
CN101
26
1
RX2-IN
A_GND
T2-
2
RX2+IN
T2+
3
SGND
4
T4-
5
T4+
6
DDC_SCL_D
DDCCLK
DDC_SDA_D
7
DDCDAT
8
A_VSYNC
RX1-IN
9
T1-
10
RX1+IN
T1+
11
SGND
12
DVI_5V
T3-
13
R101 10K 1/16W
T3+
14
+5V
15
GND
16
HOT_PLUG
HPD
RX0-IN
17
T0-
RX0+IN
18
T0+
19
SGND
20
T5-
21
T5+
22
SGND
23
RXC+IN
TC+
RXC-IN
24
TC-
C1
A_RED
C2
A_GREEN
C3
DIGITAL USE
A_BLUE
C4
A_HSYNC
C5
A_GND
25
A_GND
NEW ADD CIRCUIT
JACK
+5V
GND
R104
10K
R105
4.7K
VGA_CON
VGA_PLUG
ZD110
MLL5232B 5.6V
GND
P.3
DDC_SDA_A
P.3
DDC_SCL_A
P.3
UART_DI
P.3
UART_DO
C102
C103
C104
1uF/16V
1uF/16V
1uF/16V
D103
BAV99
D104
D105
BAV99
BAV99
FB101
51 1/16W
VGA_5V
FB102
51 1/16W
CN102
DB15
11
1
Rin
6
12
2
Gin
7
FB103
51 1/16W
13
3
Bin
8
14
4
GPIO5/UART_DO
9
C107
R123
15
5
10
VGA_CON
75
10pF
+5V
GND
GND
R132
R133
NC
NC
Pins 6/7/8 are R/G/B
return lines resp.
R136 47
3
R137 47
C115
C116
R134
R135
2.2K
2.2K
NC
NC
11
GND
+5V
GND
D107
D108
BAV99
BAV99
+5V
GND
ZD101
D109
MLL5232B 5.6V
D110
BAV99
BAV99
GND
+5V
GND
D112
D111
BAV99
BAV99
+5V
GND
D114
D113
BAV99
BAV99
12/20
+5V
+5V
RS232
CN202
1
GPIO5/UART_DO
GPIO5/UART_DO
2
GPIO4/UART_DI
GPIO4/UART_DI
3
4
GND
NC
GND
R126 33 1/16W
C108 0.01uF/16V
RED+
R127 47 1/16W
C109 0.01uF/16V
RED-
R128 33 1/16W
C110 0.01uF/16V
GREEN+
R129 47 1/16W
C111 0.01uF/16V
GREEN-
R130 150 1/16W
C112 0.01uF/16V
BLUE+
R131 47 1/16W
C113 0.01uF/16V
BLUE-
C106
R124
C105
R125
75
10pF
10pF
75
+3.3V
R138
NC
C117
0.1uF/16V
U106B
U106C
74HCT14
74HCT14
R139
GND
100
4
5
6
VS
R140
NC
HS
U106E
U106D
74HCT14
74HCT14
R141
100
10
9
8
DDC_SCL_D
GND
DDC_SDA_D
C119
0.1uF/16V
DVI_5V
RX2-
3
RX2+
3
C120
0.1uF/16V
NEW ADD DIGITAL 04/09
RX1-
3
RX1+
3
C121
0.1uF/16V
1
2
3
RX0-
3
4
RX0+
3
GND
M24C02WMN6
C122
0.1uF/16V
RXC+
3
RXC-
3
44
Chapter 7
NEW ADD CIRCUIT
NEW ADD DIGITAL 04/09
R106
100 1/16W
P.3
DDC_SCL
R107
12
P.3
DDC_SDA
R102
1K 1/16W
P.3
DVI_PLUG
R103
10K 1/16W
GND
DVI_5V
+5V
D101
BAT54C-GS08
C101
0.1uF/16V
GND
R110
R111
20K 1/16W
20K 1/16W
U102
8
R112
A0
VCC
7
100 1/16W
A1
WP
6
DDC_SCL_D
A2
SCL
DDC_SDA_D
5
GND
SDA
R113
100 1/16W
ZD102
ZD103
MLL5232B 5.6V
MLL5232B 5.6V
GND
GND
GND
ACER GM5120/2120
Title
ANALOG&DIGITAL INPUT
Size
Document Number
Rev
C
715L1123-A
A
Date:
Monday, May 12, 2003
Sheet
2
of
7
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