LG 32LB3RS, Manual

Page: 18 / 37

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2-2. No Raster
(1) Symptom
1) Doesn’t minute discharge at module.
2) It maintains the condition where the front LED is normal.
(2) Check following
1. Check the Power board.
1. Check the Main board.
Reconnect the link cable in P1300 or P1301.
1. Check the inverter connector.
2. Check the LCD module.
On
Off
No
No
1. Check the Main board.
1. Check the Main board.
Yes
Yes
Yes
1. Change the Power board.
Is the inverter
On or Off?
Is the inverter
24V on power board
normal?
No No
Is the VSC
Board normal?
Is the
P1300/1301’s output
normal?
‘Inverter_On’
Signal is High of 5 th pin
in P1000 on Main
board?
Yes
Yes
No
No
Is the link cable
normal?
Is the Power
Board normal?
No
Is output
the normality Low
/High voltage except
stand-by 5V?