LG 42PQ30 Training Manual page 109

Main PWB Plug P1001 to Ft Keys Voltages and Resistance
Main PWB Plug P1001 to Ft Keys Voltages and Resistance
Voltage and Diode Mode Measurements for the Main Board
P1001 CONNECTOR "MAIN PWB" to "Front Keys"
Pin
1
2
3
4
5
6
7
8
9
10
Stand By 5V
11
12
13
14
15
* Pin 5 (Power Key) This pin is 0V when the button is lock "On" (In) and 5V when Locked "Off" (Out)
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
Label STBY
IR 5V
Gnd Gnd
Key1 3.29V
Key2 3.29V
P Key 0V *(5V)
Gnd Gnd
EYE-SCL 0V
EYE-SDA 0V
Gnd Gnd
5VST 5V
3.3VST 0V
Gnd Gnd
LED-R 3.3V
LED-W 0V
PWM Gnd
Run Diode Mode
5V 3.17V
Gnd Gnd
3.29V 1.85V
3.29V 1.85V
0V Open
Gnd Gnd
3.28V 2.49V
3.28V 2.49V
Gnd Gnd
5V 1.06V
5.13V 1.1V
Gnd Gnd
0V 3.22V
03.25 Open
Gnd Gnd
Preliminary Information 42PQ30
109
Pin