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Checking method

1. Press the Setting button on the remote control.

2. Select the Sound function of the Menu.

3. Select the Sound Out.

4. Select TV Speaker.

Standard Repair Process Detail Technical Manual

Checking method in menu when there is no audio

C. Audio error_No audio/Normal video

A11

Established

date

Revised

date

Error

symptom

Content

A11

Only for training and service purposes.

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LG OLED48C3 Series Specifications

General

Screen Size	48 inches
Display Type	OLED
HDR	HDR10, Dolby Vision, HLG
Refresh Rate	120Hz
Smart TV Platform	webOS
HDMI Ports	4 (HDMI 2.1)
Audio	Dolby Atmos
Voice Assistant	Google Assistant, Amazon Alexa
Processor	α9 Gen6 AI Processor 4K
USB Ports	3
Ethernet	Yes
Speaker System	2.2 Channel
Resolution	3840 x 2160 (4K)
Bluetooth	5.0
Wi-Fi	Yes (802.11ac)
Weight	32.6 lbs (without stand)
Dimensions (W x H x D)	42.2 x 24.6 x 1.8 inches (without stand), 42.2 x 26 x 9.3 inches (with stand)