LG 42LH90 - Audio Output Connection to External Systems; Connecting to Home Theater Systems

LCD DV 42LH90
33
February 2010
Hot Ground
Shock
Hazard
AC IN
SK101
F100
5A/250V
AC IN
N
L
To Master Power Switch
SK101
Components
Inside the
dashed line are
Hot Gnd
F101
3.15A/250V
Run 390V
STBY 159.8V
From Hot Gnd
Pin 1
To Main
P201
Power Supply (SMPS)
Power Supply (SMPS)
Board Layout
Board Layout
F101 (Diode Check)
Red Lead on Fuse (Open)
Black Lead on Hot Ground
Black Lead on Fuse (0.608V)
Red Lead on Hot Ground
The Left pin on SK101 goes
to the Main Power Switch.
The Right hand pin returns
from the Main Power Switch.