LG 42LH90 - Sound Settings: Speaker Balance; Adjusting Left;Right Speaker Balance

LCD DV 42LH90
85
February 2010
Front Board Connectors P101 and P2 Voltage and Diode Check
Front Board Connectors P101 and P2 Voltage and Diode Check
Diode Mode values taken with all Connectors Removed
P101 CONNECTOR "Front IR / Intelligent Sensor" to P1200 " MAIN Board "
Open3.2V0VLED On12
Open3.2V3.2V3.3V11
GndGndGndGnd10
Open3.5V3.5VIR9
OpenGndGndWarm_ST8
GndGndGndGnd7
Open5.1V5.1VST_5V6
Open3.2V3.2VKey25
Open3.2V3.2VKey14
GndGndGndGnd3
Open3.2V0.57VSDA2
Open3.2V0.57VSCL1
Diode
Check
Run STBYLabelPin
P2 Connector to “Side Key" P100
Gnd
Open
Gnd
Open
Diode
Check
Gnd
Key 2
Gnd
Key 1
Label
GndGnd4
3.2V3.2V3
GndGnd2
32V3.2V1
Run STBYPin