Front Board Connectors P101 And P2 Voltage And Diode Check - LG 42LH90 Manual

Front Board Connectors P101 and P2 Voltage and Diode Check

Front Board Connectors P101 and P2 Voltage and Diode Check
P101 CONNECTOR "Front IR / Intelligent Sensor" to P1200 " MAIN Board "
Pin Label
1 SCL
2 SDA
3 Gnd
4 Key1
5 Key2
6 ST_5V
7 Gnd
8 Warm_ST
9 IR
10 Gnd
11 3.3V
12 LED On
Diode Mode values taken with all Connectors Removed
Diode
STBY Run
Check
0.57V 3.2V
0.57V 3.2V
Gnd Gnd
3.2V 3.2V
3.2V 3.2V
5.1V 5.1V
Gnd Gnd
Gnd Gnd
3.5V 3.5V
Gnd Gnd
3.2V 3.2V
0V 3.2V
Open
P2 Connector to "Side Key" P100
Open
Pin
Gnd
1
Open
2
Open
3
Open
4
Gnd
Open
Open
Gnd
Open
Open
85 February 2010
Label STBY Run
Key 1
3.2V 32V
Gnd Gnd Gnd
Key 2 3.2V 3.2V
Gnd Gnd Gnd
LCD DV
Diode
Check
Open
Gnd
Open
Gnd
42LH90