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3.7
VGA Controller
The HS-7280 provides three connection methods of a VGA device.
CN18 is a 15-pin CRT connector, and JP3/JP2 are the LVDS interface
connectors onboard reserved for flat panel installation. HS-7280 also
provides DVI-I at location CN19.
CN18: 15-pin CRT Connector
PIN Description PIN Description
1
3
5
7
9
11
13
15
JP3/JP2: LVDS Interface Connector
PIN Description PIN Description
1
V
LCD
3
GND
5
A0-/B0-
7
A1-/B1-
9
A2-/B2-
11
CLK1-/CLK2-
13
N/C
NOTE:
LVDS cable should be produced very carefully. A0- & A0+ have to
be fabricated in twister pair (A1- & A1+, A2- & A2+ and so on)
otherwise the signal won't be stable. Please set the proper voltage
of your panel using JP1 before proceeding on installing it.
10
Red
2
Blue
4
GND
6
GND
8
N/C
10
N/C
12
HSYNC
14
SDC
14
9
3
12
7
5
1
15
10
4
13
8
2
11
6
2
V
LCD
4
GND
6
A0+/B0+
8
A1+/B1+
10
A2+/B2+
12
CLK1+/CLK2+
14
N/C
Green
N/C
GND
GND
GND
SDA
VSYNC
1
2
13
14
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