LG 43UR7800PSB 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 43UR7800PSB Specifications

General

Brand	LG
Model	43UR7800PSB
Category	LED TV
Language	English

Summary

Important Safety Instruction

Warning! Safety instructions

Installation

Mounting to the Wall

Starting TV

Turning on the TV

How to use the TV's physical button for power, menu, and selection.

Connections

HDMI

Information on connecting devices via HDMI, including audio formats and Deep Color.

Specifications

Product Information

Troubleshooting

Cannot control the TV with the remote control.

Solutions for when the remote control is not functioning with the TV.

No image display and no sound is produced.

Steps to resolve issues with no image or sound output from the TV.

The TV turns off suddenly.

Explains sudden power-off issues and the auto-off function.

Regulatory

WARNING! (STABILITY HAZARD)

Safety precautions to prevent TV tip-over and related injuries.

EXTERNAL CONTROL DEVICE SETUP

USB to Serial(RS-232C) converter with USB Cable

How to connect a USB to Serial converter for external control.

Phone jack Type

Connecting using a phone jack to RS-232 cable.

Communication Parameters

Baud rate, data length, parity, and stop bit settings for communication.

Transmission / Receiving Protocol

Details on the format for sending and receiving commands.

01. Power (Command: k a)

Command to control the TV's power state (on/off).

26. 3D extended (Command: x v)

RS-232C(Serial) With RS-232C(Serial) Cable

Connecting using an RS-232C serial cable.

RS-232C configurations

Wiring configurations for RS-232C connections.

Command reference list

A list of commands and their parameters for controlling the TV.

02. Aspect Ratio (Command: k c)

Command to adjust the screen aspect ratio or picture size.

22. Key (Command: m c)

Command to send IR remote key codes.

Set ID

How to set the unique ID for the TV for external control.

20. Tune Command (Command: m a)

Command to tune channels for various regions and signal types.

24. Input select (Command: x b)

Command to select the TV's input source.

12. Remote control lock mode (Command: k m)

Command to lock/unlock the TV's front panel controls.

25. 3D(Command: x t)

KEY CODES