LCD DV 42LH90
58
February 2010
Inverter Board Connector CN1 to the P203
Inverter Board Connector CN1 to the P203
“
“
SMPS
SMPS
”
”
(Voltage and Diode Check)
(Voltage and Diode Check)
2.9V24.0V0VVIN1
2.9V24.0V0VVIN2
2.9V24.0V0VVIN3
2.9V24.0V0VVIN4
2.9V24.0V0VVIN5
GNDGNDGNDGND6
GNDGNDGNDGND7
GNDGNDGNDGND8
GNDGNDGNDGND9
GNDGNDGNDGND10
OPEN1.66V0.47VNC11
1.6V4.65V0VON/OFF12
OPEN0.33V-3.2V0VExt_VBR_B13
OPEN0V0VAGP14
Diode ModeRun STBYLabelPin
CN1 Connector “Inverter” to P203 “SMPS”
Inverter Run voltages taken with built in test pattern full white screen
Diode Mode values taken with all Connectors Removed
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.
Error