LG 50PV450 Manual page 145

Main Board Plug P704 Main Board Plug
Voltage and Diode Mode Measurements for the Main Board
Infrared
Remote
3 & 4
Function
Buttons
7 & 8
Intelligent
Sensor
Stand-By 3.3V
3.3V_Multi
is actually is actually
+5V_MST
Soft Touch Key
board sensitivity board sensitivity
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
P704 to Ft to Ft IR / Soft Touch Key Board IR / Soft Touch Key Board
P704 "MAIN" to "Front IR" P704 MAIN to Front IR
Pin Label
1 IR
2 2 Gnd Gnd
3 Key_CTL_0
4 Key_CTL_1
5 LED_RED
6 Gnd
7 EYE_SCL
8 EYE_SDA
9 Gnd
10 3.3VST
11 3.3V_MST
12 LED_BLUE
13 Touch_Ver_Check
14 n/c
15 15 n/c /
STBY Run Diode Check
3.3V 3.9V
Gnd Gnd Gnd Gnd
3.3V 3.3V
3.3V 3.3V
2.7V 0V
Gnd Gnd
3.1V 3.1V
3.1V 3.1V
Gnd Gnd
3.3V 3.3V
0V 5V
0V 0V
0.19V 0.19V
n/c n/c
n/c / n/c /
145 May 201 1 50PV450
3.14V
Gnd Gnd
1.81V
1.81V
OL
Gnd
OL
OL
Gnd
1.3V
1.24V
1.02V
1.75V
OL
OL OL
1 1
Plasma