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LG 55LH95QD User Manual

LG 55LH95QD
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TV COM1 COM2AV1 AV2 R GB
WIRELESS
1 2 3 4
4
LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LC91E
MODEL : 55LH95QD 55LH95QD-CB
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
Printed in KoreaP/NO : MFL60021630 (0909-REV00)
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LG 55LH95QD Specifications

General IconGeneral
Screen Size55 inches
Display TypeLCD
Refresh Rate120Hz
Aspect Ratio16:9
Backlight TechnologyLED
Viewing Angle178 degrees
Resolution1920 x 1080 (Full HD)
Input PortsHDMI x 4, USB x 2, Component x 1, Composite x 1, RF In x 1
Sound Output20W (10W x 2)

Summary

SAFETY PRECAUTIONS

General Guidance

General safety advice for servicing receivers not isolated from AC power lines.

Leakage Current Checks

Procedures for performing cold and hot checks to measure AC leakage current.

SERVICING PRECAUTIONS

General Servicing Precautions

Essential safety rules for servicing, including power disconnection and handling of components.

SPECIFICATION

General Specification (TV)

Lists key specifications for the TV, including receiving system, input voltage, screen size, etc.

SPECIFICATION DETAILS

INPUT SPECIFICATIONS

ADJUSTMENT INSTRUCTION

ADC (LGE3369) adjustment

Explains the purpose and process of ADC adjustment for optimizing black level and RGB deviation.

ADJUSTMENT PROCEDURES

ADJUSTMENT METHODS AND CHECKS

SYSTEM CHECKS AND OPTIONS

EXPLODED VIEW

POWER SUPPLY CIRCUITS

MICROCONTROLLER AND MEMORY

TROUBLESHOOTING GUIDE

Trouble shooting

Overview of troubleshooting procedures for common issues.

TROUBLESHOOTING PROCEDURES

WIRELESS CONNECTION TROUBLESHOOTING

Pairing for SVC

About Wireless TV

WIRELESS MODEL

Block diagram and components of the TV with wireless media box functionality.

TV SET Block Diagram

Media-Box Block Diagram (Simple)

TX MODULE Block Diagram

RX MODULE Block Diagram

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