LG 75QNED75SRA User Manual

ENGLISH_index
Safety and Reference
OWNER’S MANUAL
www.lg.com
Copyright © 2023 LG Electronics Inc.
All Rights Reserved.
LED TV*
Please read this manual carefully
before operating your set and retain it
for future reference.
* LG LED TV applies LCD screen with LED backlights.
The model and serial number of the product are
located on the back and on one side of the product.
Record them below in case you ever need service.
Model
Serial No.
43QNED75SRA
50QNED75SRA
50QNED80SRA
55QNED75SRA
55QNED80SRA
65QNED75SRA
65QNED80SRA
65QNED85SRA
75QNED75SRA
75QNED80SRA
75QNED85SRA
86QNED80SRA
86QNED85SRA
43NANO77SRA
50NANO77SRA
55NANO77SRA
65NANO77SRA
70NANO77SRA
75NANO77SRA
86NANO77SRA
43UR7800PSB
43UR8750PSA
50UR7800PSB
50UR8750PSA
50UR9050PSJ
55UR7800PSB
55UR8750PSA
55UR9050PSJ
65UR7800PSB
65UR8750PSA
65UR9050PSJ
70UR7800PSB
70UR8750PSA
75UR7800PSB
75UR8750PSA
75UR9050PSJ
86UR8750PSA
32LR650BPSA
*MFL719464342305REV03*

LG 75QNED75SRA Specifications

General

Brand	LG
Model	75QNED75SRA
Category	LED TV
Language	English

Summary

Key Safety Instructions

Critical Safety Warnings

Installation Guide

Lifting and Moving the TV

Guidelines for safely moving and lifting the TV to prevent damage and ensure secure transportation.

Securing the TV to the Wall

Steps for securely attaching the TV to a wall using eye-bolts, brackets, and ropes.

Wall Mounting Procedures

Guidance on using optional wall mounts, VESA standards, and proper installation methods.

Connecting External Devices

HDMI Connections

Details on connecting external devices via HDMI, including supported audio formats.

Product Specifications

Product Information - Wireless Module Specs

Troubleshooting Common Issues

Remote Control Unresponsiveness

Solutions for issues where the TV is unresponsive to remote control commands.

No Image or Sound Issues

Troubleshooting steps for when the TV screen is blank and no audio is output.

Sudden TV Power Off

Diagnosing and resolving the problem of the TV unexpectedly shutting down.

Regulatory Information

Stability Hazard Warning

Crucial safety warning regarding the risk of the television set falling and causing injury.

TV Dimensions and Power Consumption

External Control Device Setup Guide

External Control Connectivity Options

USB to Serial (RS-232C) Converter Connection

Instructions for connecting external control devices using a USB to Serial converter cable.

RS-232C Serial Cable Connection

Guidance on connecting external control devices using an RS-232C serial cable.

External Control Setup Details

RS-232C Configuration and Wiring

Details on RS-232C connection configurations and wiring for controlling the TV.

Setting the TV Set ID

Procedure for setting the TV's Set ID for identification in an external control system.

Communication Parameters

Command Reference List

Transmission and Receiving Protocol

Command Reference - Power and Picture Settings

Power Control (Command: k a)

Control the TV's power state (on/off) using specific commands.

Aspect Ratio Adjustment (Command: k c)

Adjust the screen format or aspect ratio of the main picture.

Volume Level Adjustment (Command: k f)

Contrast Adjustment (Command: k g)

Brightness Adjustment (Command: k h)

Command Reference - Color, Tint, and Audio Settings

Color/Colour Adjustment (Command: k i)

Remote Control Lock Mode (Command: k m)

Command Reference - Advanced Features

Channel Tuning (Command: m a)

Tune channels for analog and digital broadcasts based on regional specifications.

Command Reference - Channel and Input Control

Channel Management (Add/Del/Skip) (Command: m b)

IR Remote Key Code Input (Command: m c)

Input Source Selection (Command: x b)

Select the input source for the main picture display on the TV.

3D Mode Control (Command: x t)

Command Reference - 3D and Auto Configure

Extended 3D Options (Command: x v)