LG 42LC2RR - Protect Mode and No Raster Issues

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2. Protect Mode
(1) Symptom
Ø After once shining, it does not discharge minutely
from module
Ø The Rely falls(The sound is audible “click”)
Ø It is converted with the color where the front LED
is pink from white.
(2) Check following
Is the Power Board
normal ?
Replace Power
Board.
Is output the normality Low/High
voltage except Stand-by 5V?
Yes
No
No
Is the each connector
normal?
Replace the
connector.
After connecting well each connector,
the normality it operates?
Yes
No
No
Is the VSC Board
normal?
After remove P1001, P1100
normal operation :
Replace VSC Board.
Is the output voltage normal after
remove P10001, P1100?
No Yes
3. No Raster
(1) Symptom
Ø Does’t minute discharge at module.
Ø It maintains the condition where the front LED is white.
(2) Check following
Is the Power Board
normal?
Replace the
Power Board.
Is output the normality Low/High
voltage except Stand-by 5V?
Yes
No
No
Is the each connector
normal?
Replace the
connector.
After connecting well each connector,
the normality it operates?
Yes
No
No
Is the VSC Board
normal?
After remove P1001, P1100
normal operation
: Replace VSC Board.
Is the output voltage normal after
remove P1001, P1100?
No Yes