HOW TO DETECT AND REPAIR AUDIO ERROR - REMOTE CONTROL OPERATION ERROR TO LG 32LN 51*** & LG 32LN51**-T

LG_32LN5100_32LN510_32LN5110_32LN5120_32LN5130­_32LN5150
FUNCTION ERROR _ NO RESPONSE TO REMOTE CONTROLLER, KEY ERROR

Check IR cable condition between IR & Main board.

Check the St-By 3.5V on the terminal 4.

CLICK ON THE PICTURES TO ZOOM

No audio _ Video OK
Check the audio settings first.  See whether the speaker option is set to ON/OFF.  If it is set to OFF, make it ON.

1. Press the MENU button on the remote controller.
2. Select the AUDIO function of the Menu
3. Check whether TV Speaker is on.

Voltage and speaker checking method when there is no audio.

• Check the contact condition of or 24V connector of Main Board.
• Measure the 24V input voltage supplied from Power Board (If there is no input voltage, remove and check the connector).
• Connect the tester RX1 to the speaker terminal and if you hear the “Chik Chik” sound when you touch the GND and output terminal, the speaker is normal.

Check DC 24 & 12V