Read LG 32LG50D (CHASSIS:LT81D) Service Manual online
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Is the Inverter on?
Is the LVDC cable
normal?
Replace the Module.
Yes
No
Yes
Yes
Reconnect the LVDS
cable in P400.
No
Is the IC1200(Torino)
Output normal?
Replace the Main B/D.
No
No
Replace the Power board.
Is the all of the output voltage
normal except for stand-by 5V?
2. No Raster
(1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is blue.
2) It maintains the condition where the front LED is blue.
(2) Procedure check
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