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LG OLED55C6P

LG OLED55C6P
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Printed in KoreaP/NO : MFL69465801 (1601-REV00)
CHASSIS : EA62C
MODEL : OLED55C6P OLED55C6P-U
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
OLED TV
SERVICE MANUAL
Internal Use Only

Other manuals for LG OLED55C6P

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LG OLED55C6P Specifications

General IconGeneral
Screen Typeoled
Wall Mount400mm x 200mm
Tunerdigital
Screen Size54.6 inches, 55 inches
Resolution4k (2160p)
Refresh Rate60hz
HDRyes
Built-In Speakersyes
Surround Soundother
Speakers Output40 watts
HDMI Ports3
HDMI 2.1 Ports0
USB Ports3
RF Antennayes
Networkbuilt-in wi-fi
Digital Optical Audio Outputs1
Analog Audio Outputs0
Component Video Inputs0
Composite Video Inputs1
DVI0
SmartTVwebos
Streaming Servicesnetflix, youtube
Voice Assistantother
Remote Controluniversal
3Dyes
Power Consumption212 kilowatt hours
Depth with Stand7.5 inches
Height with Stand30 inches
Width with Stand48 inches
Net Weight with Stand36.4 pounds
Depth without Stand1.9 inches
Height without Stand28.1 inches
Net Weight without Stand29.1 pounds

Summary

OLED TV SERVICE MANUAL

CONTENTS

SAFETY PRECAUTIONS

Important safety warnings and precautions for servicing the TV.

SERVICING PRECAUTIONS

Guidelines and precautions for performing service operations safely.

TROUBLESHOOTING

Guide to diagnose and resolve common TV issues.

SAFETY PRECAUTIONS

IMPORTANT SAFETY NOTICE

Critical safety information to prevent hazards.

Leakage Current Cold Check(Antenna Cold Check)

Procedure to check AC leakage current with the set unplugged.

Leakage Current Hot Check

Procedure to check AC leakage current with the set powered on.

SERVICING PRECAUTIONS

General Servicing Precautions

General rules to follow before and during servicing.

Electrostatically Sensitive (ES) Devices

Precautions for handling sensitive electronic components.

TV Specifications

TV Adjustments and Calibration

Adjustment items

Lists the specific adjustments to be performed on the TV.

Automatic Adjustment

Procedures for automatic calibration and adjustments.

Inspection and Download Procedures

4.5. Model name & Serial number Download

Procedure for downloading model name and serial number.

Manual Adjustments and Data Handling

5. Manual Adjustment

Instructions for performing manual adjustments on the TV.

White Balance and Color Adjustment

5.3. Manual White balance Adjustment

Detailed steps for manual white balance adjustment.

5.3.1. WB adj. Objective & How-it-works

Explains the objective and working principle of white balance adjustment.

5.3.2. Adj. condition and cautionary items

Conditions and important items to consider during white balance adjustment.

White Balance Adjustment References

5.3.6. Adjustment method

Methods for performing white balance adjustments.

5.3.6.1. Auto WB calibration

Step-by-step guide for automatic white balance calibration.

5.3.6.2. OLED White balance table

Tables detailing white balance adjustments for different modes.

TV Disassembly Procedures

OLED55 C6 Disassembly Guide

Specific guide for disassembling the OLED55C6 model.

Standard Repair Process Overview

Contents of Standard Repair Process

Index of standard repair procedures by error category.

Video Error Troubleshooting (No VideoNormal Audio)

Video Error Troubleshooting (No VideoNo Audio)

Check various voltages of Power Board ( 3.5 V,12 V,20 V or 24 V)

Procedure to check various power board voltages.

Video Error Troubleshooting (Picture Issues)

Video Error Troubleshooting (ColorInput Issues)

Check color by input

Checking color based on different input sources.

Check and replace Link Cable (V by one) and contact condition

Checking and replacing link cables, and contact conditions.

Video Error Troubleshooting (Picture Anomalies)

Check color condition by input

Verifying color based on input source.

Check and replace Link Cable

Procedure to check and replace the link cable.

External device screen error-Color error

Error related to external device screen and color.

Power Error Troubleshooting (No Power)

Check Power LED

Checking the status of the power LED.

Check ST-BY 3.5 V

Checking the standby voltage.

Power Error Troubleshooting (Intermittent Power)

Check Power Off Mode

Examining the TV's power off mode settings.

Check Power BD voltage

Measuring voltages on the power board.

Audio Error Troubleshooting (No Audio)

Check user menu Speaker off

Checking speaker settings in the user menu.

Check audio B+ 24 V of Power Board

Verifying the 24V audio B+ voltage from the power board.

Audio Error Troubleshooting (DistortedNoisy Audio)

Wrecked audio Discontinuation Noise for all audio

Troubleshooting audio issues affecting all sound sources.

Check audio B+ Voltage (24 V)

Verifying 24V B+ voltage for audio.

Function Error Troubleshooting (Remote Control)

Remote control & Local switch checking

Checking remote control and local switch operation.

Remote controller operation checking method

Method to check remote control operation.

1. Remote control(RC) operating error

Troubleshooting errors with the remote control.

Check B+ 3.5 V On Main BD

Verifying the 3.5V B+ voltage on the main board.

Check IR Output signal

Testing the infrared output signal.

Function Error Troubleshooting (Magic Remote)

2. MR15 R (Magic Remocon) operating error

Troubleshooting issues with the Magic Remote.

RF Receiver ver is 00.00?

Checking the RF receiver version in the menu.

Check & Repair RF assy connection

Inspecting and repairing the RF assembly connection.

Function Error Troubleshooting (Wi-Fi)

D. Function error

Troubleshooting for functional errors.

3.Wifi operating error

Troubleshooting Wi-Fi connectivity issues.

Wifi operation checking method

Method to check Wi-Fi operation.

Wi-Fi Mac value is NG?

Checking if the Wi-Fi MAC address is invalid.

Check & Repair Wifi cable connection

Inspecting and repairing the Wi-Fi cable connection.

Function Error Troubleshooting (External Devices)

External device recognition error

Issues with the TV recognizing external devices.

Check input signal

Verifying the input signal status.

Noise Troubleshooting

E. Noise

Troubleshooting audio noise issues.

Circuit noise, mechanical noise

Types of noise issues to diagnose.

Exterior Defect Troubleshooting

Standard Repair Process

Troubleshooting steps for physical damage.

F. Exterior defect

Troubleshooting physical damage to the TV's exterior.

Detailed Repair Process Guide

A. Video error No videoNormal audio

Troubleshooting for no video/normal audio issues.

A. Video error Color error

Troubleshooting for color errors.

Detailed Repair Process for Power and Audio Errors

B. Power errorNo power

Troubleshooting for no power issues.

C. Audio error No audioNormal video

Troubleshooting for no audio with normal video.

Detailed Video Error Repair Steps

Detailed Video Error Repair (White Balance)

Detailed Video Error Repair (Tuner Signal)

Detailed Video Error Repair (Remote & Version)

Detailed Video Error Repair (Tuner)

Detailed Video Error Repair (Connection)

Detailed Video Error Repair (Link Cable)

Appendix: Module Exchange Guide (Part 1)

Appendix: Module Exchange Guide (Part 2)

Power Error Troubleshooting (Logo and Menu)

Power Error Troubleshooting (Voltage Checks)

B. Power error No power

Troubleshooting for no power issues.

Power Error Troubleshooting (Power Off Modes)

B. Power errorOff when on, off whiling viewing

Troubleshooting power issues during operation.

Audio Error Troubleshooting (Voltage & Speaker)

C. Audio errorNo audioNormal video

Troubleshooting no audio with normal video.

Function Error Troubleshooting (Motion Remote)

Motion Remote operation checking method

Method to check motion remote operation.

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