LG Flatron M1717TM Service Manual page 15

2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS
NO RASTER
(OSD IS NOT DISPLAYED)
J705 PIN5, 6
5V?
YES
J705 PIN9
5V?
YES
J705 PIN11
5V?
YES
CHECK
PULSE AS
CONTACTING SCOPE
PROBE TO CAUTION LABEL.
(CONTACT PROBE TO
CAUTION LABEL.
CAN YOU SEE PULSE
AT YOUR
SCOPE?
YES
REPLACE CCFL LAMP
IN THE LCD MODULE
NO
NO
NO
NO
- 15 -
CHECK LIPS
CHECK MICOM INV ON/OFF
PORT.
1. CONFIRM BRIGHTNESS
OSD CONTRL STATE.
2. CHECK MICOM DIM-ADJ
PORT
LIPS