LG 42LH40 - Page 58

July 2009 LCD DV 42LH40
58
Ft. IR / LED Control Connector P1 and P2 Voltage and Diode Chec
Ft. IR / LED Control Connector P1 and P2 Voltage and Diode Chec
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Diode Mode values taken with all Connectors Removed
P1 CONNECTOR "Front IR / LED PWB Assembly " to P1204 " MAIN PWB "
Open3.29V0V
POWER
On/Off
12
Open3.29V3.29V3.3V_ST11
GndGndGndGnd10
Open4.8V4.8VIR9
GndGndGndGnd8
GndGndGndGnd7
1.13V5.1V5.1V5V ST6
Open3.3V3.3VKey25
Open3.3V3.3VKey14
GndGndGndGnd3
Open3.3V3.3VSDA2
Open3.3V3.3VSCL1
Diode
Check
Run STBYLabelPin
P2 Connector to “Side Key" P1
Gnd
Open
Gnd
Open
Diode
Check
Gnd
Key 2
Gnd
Key 1
Label
GndGnd4
3.3V3.3V3
GndGnd2
3.3V3.3V1
Run STBYPin