LG 42LH90 Manual page 58

Inverter Board Connector CN1 to the P203
Inverter Board Connector CN1 to the P203
Inverter Run voltages taken with built in test pattern full white screen
Error
P-DIM
Ext_VBR_B
(P-DIM) Pin 13
can vary
according to type
of signal being
processed and
the OSD
Backlight setting.
0.33V 0% to
3.3V 100%.
Output from the
Video Processor
IC100.
Diode Mode values taken with all Connectors Removed
CN1 Connector "Inverter" to P203 "SMPS"
Pin Label
14 AGP
13 Ext_VBR_B
12 ON/OFF
11 NC
10 GND
9 GND
8 GND
7 GND
6 GND
5 VIN
4 VIN
3 VIN
2 VIN
1 VIN
" SMPS " (Voltage and Diode Check)
" SMPS " (Voltage and Diode Check)
STBY Run
0V 0V
0V 0.33V-3.2V
0V 4.65V
0.47V 1.66V
GND GND
GND GND
GND GND
GND GND
GND GND
0V 24.0V
0V 24.0V
0V 24.0V
0V 24.0V
0V 24.0V
58 February 2010
Diode Mode
OPEN
OPEN
1.6V
OPEN
GND
GND
GND
GND
GND
2.9V
2.9V
2.9V
2.9V
2.9V
LCD DV 42LH90