LG Flatron L1552S

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2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS
NO RASTER
(OSD IS NOT DISPLAYED)
NO
NO
NO
NO
REPLACE CCFL LAMP
IN THE LCD MODULE
CHECK ADAPTER AND
12 LINE
CHECK MICOM INV
ON/OFF PORT.
1. CONFIRM BRIGHTNESS
OSD CONTRL STATE.
2. CHECK MICOM DIM-ADJ
PORT
INVENTER
YES
YES
YES
YES
U701
PIN13
12V?
U701 PIN2
OVER THAN 1.5V?
U701 PIN8
3.3V?
CHECK
PULSE AS
CONTACTING SCOPE
PROBE TO CAUTION LABEL.
(CONTACT PROBE TO
CAUTION LABEL.
CAN YOU SEE PULSE
AT YOUR
SCOPE?