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4.1.2 CON4: Switch Board Pin Header
Pin #
Signal Name Function
1 GND
GROUND
2
RX1 - SW7
Volume Down
3
R120 - SW1 OSD Key
4
R121 – SW2 ADDITION Key
5
R122 – SW3 SUBTRACTION Key
6
R123 – SW4 DOWN Key
7
RX2 – SW6
MUTE
8 NC
No
Connect
9
R53 – SW5
Volume Up
10
R308 - LED
LED
11
R309 – LED LED
12
R54 - PWR
Power Switch
4.1.3 CON 5 Inverter Connector
Pin #
Signal Name Function
1
VCC
+12 V power supply
2
VCC
+12 V power supply
3 GND
GROUND
4 GND
GROUND
5 INV-PWR
INVERTER
POWER
6 GND
GROUND
7
BRINS
Dimming (Brightness) Control
8
PWM0
NC
No
Connect
PENBKL
On/Off
control
GND GROUND
ViewSonic Corporation
2
2
Confidential
-
-
Do
Not Copy
V
E
1
5
0m
/mb