LG 22LU7000 - Page 20

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3. No Raster
(1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is blue
(2)
Check follow
Does minute discharge
At Module?
Is the LVDS
cable normal?
Is the U112(FLI10610H)
Output normal?
Yes
Yes
No
No
No
Is output the normality
Low/High voltage ?
Reconnect the LVDS cable in JP451
No
Yes
Yes
Is the inverter on?
Re
p
lace Main Board.
Re
p
lace Main Board.
Check the LCD
Module