LG 42LH40 User Manual

July 2009 LCD DV 42LH40
60
Side Key Assembly P3000 Voltage and Diode Check
Side Key Assembly P3000 Voltage and Diode Check
P3000 Resistance Measurements with Key pressed.
CH (Up)
CH (Dn)
Volume (+)
Volume (-)
KEY
10K Ohms
4.8K Ohms
1.8K Ohms
270.5 Ohms
Pin 3 measured
from Gnd
10K Ohms
4.8K Ohms
1.8K Ohms
270.5 Ohms
Pin 1 measured
from Gnd
Enter
Menu
Input
Power
KEY
P3000 Voltage Measurements with Key pressed.
CH (Up)
CH (Dn)
Volume (+)
Volume (-)
KEY
2.24V
1.65V
0.906V
0.179V
Pin 3 measured
from Gnd
2.24V
1.65V
0.906V
0.179V
Pin 1 measured
from Gnd
Enter
Menu
Input
Power
KEY
P3000 Connector “Side Key" to “IR/LED Control PWB“ P1
Gnd
Key2
Gnd
Key1
Label
Gnd
Open
Gnd
Open
Diode Check
GndGnd4
3.3V3.3V3
GndGnd2
3.3V3.3V1
Run STBYPin
c
P3000

LG 42LH40 Specifications

General

Brand	LG
Model	42LH40
Category	LCD TV
Language	English