LG 50PK950 Training Manual page 152

Front IR Board Connector P100 Voltage and Pin Identification
Front IR Board Connector P100 Voltage and Pin Identification
For the Soft Touch
Key Pad section.
7 & 8
Front LEDs
and
Intelligent
Sensor
Stand-By
3.3V
For Readings when any Key is
touched, see Soft Key Pad Section
For Key 1 and Key 2.
Diode Mode Readings taken with all connectors Disconnected. Black lead on Gnd. DVM in Diode Mode.
P100 Connector "IR Board" to P703 "Main Board"
Pin Label
1 IR
2 Gnd
3 Key1
4 Key2
5 LED-RED
6 Gnd
7 SCL
8 SDA
9 Gnd
10 3.3V_ST
11 3.3V_MULTI
12 LED-WHITE
152
STBY Run Diode Check
2.82V 2.82V
Gnd Gnd
3.14V 3.13V
3.28V 3.3V
3.16V 3.28V
Gnd Gnd
0.57V 3.28V
0.8V 3.28V
Gnd Gnd
3.28V 3.28V
0.42V 5.17V
0V 0V
October 2010
Open
Gnd
1.83V
1.83V
Gnd
Gnd
1.8V
1.8V
Gnd
1.22V
1.21V
1.739V
50PK950 Plasma