LG 32LG40 Training Manual page 67

Front Control Connectors J1 and J2 Voltage and Resistance
Front Control Connectors J1 and J2 Voltage and Resistance
J1 "Front PWB" to P401 "Main"
Pin Label
1 KEY3
2 KEY4
3 Gnd
4 Gnd
5 KEY-1
6 KEY-2
7 n/c
8 ST-5V
9 PWM-LED
10 IR
11 n/c
12 Gnd
13 LED-G
14 LED-R
15 Gnd
With all Connectors Removed, Resistance taken in
Diode Mode.
STBY Run
3.4V 3.4V
3.4V 3.4V
0V 0V
0V 0V
3.4V 3.4V
3.4V 3.4V
0V 0V
5V 5V
0V 0V
4.1V 4.1V
0V 0V
0V 0V
0V 2.1V
2.1V 0V
0V 0V
J2 "Front PWB" to P101 "Side Key"
Diode
Pin
Check
OL
1
OL
2
Gnd
3
Gnd
4
OL
5
OL
6
OL
7
2.7V
8
2.4V
OL
OL
Gnd
3.2V
3.2V
Gnd
67
Label STBY
3.4V 3.4V
Key 1
0V
Gnd
3.41V 3.41V
Key 2
0V
Gnd
3.41V 3.41V
Key 3
0V
Gnd
3.41V 3.41V
Key 4
0V
Gnd
LCD DV
Diode
Run
Check
OL
0V
Gnd
OL
0V
Gnd
OL
0V
Gnd
OL
0V
Gnd
32LG40