Copyright©2007 LG Electronics. Inc. All right reserved.
-25-
LGE Internal Use Only
Only for training and service purposes
2. No Screen(2)
Symptom
Front LED is blinking as green color, and no picture.
Check Flow
Check LVDS Cable?
Is the LVDS cable connected well?
Reset Cable
Replace LVDS Cable
Is LED, D102 lighted?
Check the Main Board
Check Key Pad/IR Input?
Replace Key Pad or IR Input
Check Power Supply
YES
YES
YES
YES
NO
NO
NO
NO
3. No Power
Symptom
Front LED is OFF, and no picture.
Check Flow
Power cord connected?
Plug in Power cord.
Replace Fuse(T5.0A H 250V)
Is the Power Board connected to
each control Board?
When ST-BY 12V/5V does not operate,
replace Power Board.
Connect cable
YES
YES
YES
NO
Is Fuse(F101) on Power Board good?
NO
NO