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LG 42PQ20 Training Manual page 109

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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
3.2V
Gnd
Gnd
3.29V
1.6V
3.29V
1.6V
0V
Open
Gnd
Gnd
3.28V
2.5V
3.28V
2.5V
Gnd
Gnd
5V
1.06V
5.13V
1.1V
Gnd
Gnd
0V
3.22V
03.25
Open
Gnd
Gnd
109
January 2009 Plasma
Pin (1)
42PQ20

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