LG 50PS60 Training Manual page 127

Main PWB Plug P1001 to Ft Keys
Main PWB Plug P1001 to Ft Keys
Voltage and Diode Mode Measurements for the Main Board
For Voltages when
each Key is
pressed, see the
Key PWB section.
* Pin 5 (Power Key)
This pin is 0V when
the button is locked
"On" (In) and 5V
when locked "Off"
(Out).
7 & 8
Intelligent
Sensor
Stand
By 5V
Not Used
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
P1001 CONNECTOR "MAIN PWB" to "Front Keys"
Pin Label
1 IR
2 Gnd
3 Key1
4 Key2
*5 Key On
6 Gnd
7 EYEQ-SCL
8 EYEQ-SDA
9 Gnd
10 STBY 5V
11 +5V
12 Gnd
13 LED R
14 LED W
15 LED Cent
STBY Run
4V 3.98V
Gnd Gnd
3.3V 3.3V
3.3V 3.3V
0V/4.3V 0V
Gnd Gnd
3V 3.3V
3V 3.3V
Gnd Gnd
5V 5V
0.56V 5V
Gnd Gnd
3.19V 0V
0V *0V
0V *0V
126 Fall 2009 1080P Plasma 50PS60
Pin
Diode Check
2V
Gnd
1.9V
1.9V
Gnd / Open
Gnd
2V
2V
Gnd
1.25V
0.6V
Gnd
1.87V
*Green LEDs turn
1.7V
on when TV first
turned on. Next
1.5V
they get brighter,
then they go off.