Read LG 42LF66 (CHASSIS:LD75A) Service Manual online
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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 green
2) It maintains the condition where the front LED is green
(2) Check follow
Does minute
discharge
At Module?
Is output the normality
Low/High voltage except
stand-by 5V?
Is the inverter on?
Check the LCD
Module
Yes
No
Yes
Replace the Power
board.
No
No
Is the LVDS
cable normal?
Reconnect the LVDS cable in P800.
Yes
No
Is the IC700 (FLI8548)
Output normal?
Replace the VSC
No
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