LG LB-H1860HL - Wired Remote Controller Troubleshooting

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Possible Trouble 4
: Wired remote controller does not operate.
NO
YES
YES
YES
Is the LCD operated
normally?
Is the terminal of wired
Remocon T2 DC12V?
Is the pin 39, 40 of
Micom DC 5V?
Change the wired Remocon.
Check the wired Remocon
PCB and DC 12V pattern.
NO
NO
Check the parts of
communication.
Connector CN-Remo, and
terminals of wired
Remocon exactly.