LG 43LF5900-CB User Manual

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Printed in KoreaP/NO : MFL69285102 (1508-REV00)

CHASSIS : LC50H

MODEL : 43LF5900 43LF5900-CB

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

LED TV

SERVICE MANUAL

North/Latin America http://aic.lgservice.com

Europe/Africa http://eic.lgservice.com

Asia/Oceania http://biz.lgservice.com

Internal Use Only

Table of Contents

Questions and Answers:

E
Eric OlsonSep 8, 2025
What to do if the picture is broken or freezing on my LG 43LF5900-CB?
- M
  Madison WilliamsSep 8, 2025
  If you are experiencing a broken or freezing picture on your LG LED TV, you can try the following: * Check the RF signal level by navigating to Menu ? Quick ? Channels ? Signal Test. Ensure that the signal strength is over 50% and the signal quality is also over 50%. * Verify the RF cable connection. * Perform a software upgrade.
A
Angela BowenSep 9, 2025
What to do if there is no video and no audio on my LG LED TV?
- J
  Jeffrey BurkeSep 10, 2025
  If your LG LED TV has no video and no audio, you should: * Check the voltages of the Power Board. * Replace the Power Board and repair parts.
G
Gregory FullerSep 12, 2025
How to fix color error on LG 43LF5900-CB?
- M
  melissa26Sep 12, 2025
  To address color errors on your LG LED TV, you can: * Check the color by input. * Replace the Main B/D.

LG 43LF5900-CB Specifications

General

Brand	LG
Model	43LF5900-CB
Category	LED TV
Language	English

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