LG LBNG3061YL - Remote Controller Troubleshooting

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Only for training and service purposes
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Possible Trouble 3
: Wired remote controller does not operate.
NO
YES
YES
YES
Is the LCD operated�
normally?
Is the Pin 1, 3 of CN-REMO�
DC 12V?
Is the Voltage DC 5V Between�
L02K, J09?
Change the wired Remocon.
Change the main PCB
NO
NO
Check the parts of �
communication.
Check the main Power �
AC 230V?�
If AC Power is 380V then �
Power Auto shutdown.