LG 32LH500D - Audio error_No audio;Normal video

Standard Repair Process Detail Technical Manual
LED TV
Error
symptom
Audio error_No audio /Normal video
Established
date
2016. 03.07
Content
Voltage and speaker checking method when
there is no audio
Revised
date
A8
Checking order
1. Check the 12V for amplifier from C601.
2. Connect the tester CN601 to the speaker terminal and if you hear the Chik Chik
sound when you touch the GND and output terminal, the speaker is normal.