LG FLATRON E2041T - Page 15

- 15 -
2. NO RASTER (OSD IS NOT DISPLA
YED)
– LIPS
CHECK IC500 WLED_EN
ON/OFF port
NO RASTER
(OSD IS NOT DISPLAYED)
CHECK POWER BOARD
CHECK
NO
NO
NO
NO
1. CONFIRM BRIGHTNESS
OSD CONTRL STATUS
2. CHECK A_DIM port
CHECK
POWER BOARD (LIPS)
CHECK
the LED backlight
current
REPLACE LCD MODULE
YES
1
2
3
YES
YES
YES
Waveforms
1
P602
#1,2
Copyright
Only for training and service purposes
LGE Internal Use Only
2010 LG Electronics. Inc. All right reserved.
P602 PIN10
P602 VOLTAGE
PIN1 PIN2(5V)?
CHECK
P602 PIN12
high voltage
?