Panasonic X-L42ET60B

Service Manual
LCD Television
TX-L42ET60B
TX-L42ET60Y
TX-LR42ET60
LA41 Chassis
© Panasonic Corporation 2013.
Unauthorized copying
and
distribution is a violation of law.
ORDER No. PCZ1302016CE
There are special components used in this equipment which are important for safety. These parts are marked in the
Schematic Diagrams, Circuit Board Diagrams, Explorer Views and Replacement Parts List. It is essential that these
critical parts should be replaced with manufacturer´s specified parts to prevent shock, fire or other hazards. Do not
modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not
contain warnings or cautions to advise non-technical individuals of potencial dangers in attempting to service a product. Products
powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the
product or products deal within this service information by anyone else could result in serious injury or death.
Warning

Panasonic X-L42ET60B Specifications

General

Smart TV	Yes
HDMI Ports	3
USB Ports	2
Wi-Fi	Yes
Ethernet Port	Yes
Screen Size	42 inches
Resolution	1920 x 1080
Display Technology	LCD
Refresh Rate	100 Hz

Summary

Safety Precautions and Guidelines

General Guide Lines

General advice for servicing and safety checks.

Touch-Current Check Procedure

Procedure for measuring touch current to prevent shock hazards.

Electrostatic Discharge Prevention

ESD Prevention Techniques

Techniques to reduce component damage from electrostatic discharge.

Lead-Free Solder Information

About Lead-Free Solder (PbF)

Information on lead-free solder usage and properties in manufacturing.

Suggested Lead-Free Solder Types

Recommendations for types of lead-free solder for repair work.

Chassis Board Layout and Navigation

Service Navigation and Board Layout

Visual identification and function of main boards within the chassis.

Service Hints and Procedures

How to Remove Backcover

Step-by-step instructions for removing the rear panel.

How to Remove Pedestal Assembly

Steps to detach the TV's stand assembly.

Applicable Input Signals

Supported Video Signals

Lists supported video input signals and their timing specifications.

Technical Specifications

Receiving Systems and Conditions

Technical details of receiving systems, operating conditions, and terminals.

Technical Description and Features

Key Feature Specifications

Details key features and their availability across models.

Integrated Circuit Replacement

Guidance on replacing specific integrated circuits and necessary follow-up steps.

Model-Specific Feature Mapping

Table mapping model numbers to supported features like CI Plus and Netflix.

Setting Inspection and Voltage Checks

Voltage Confirmation Guide

Lists test points and expected voltage values for critical board sections.

Service Mode Functions

Entering Service Mode

Specific button sequence on remote and unit to access service menu.

Exiting Service Mode

Procedure to exit the service mode by powering off the unit.

Service Tool Mode Operations

Accessing Service Tool Mode

Steps to navigate the service menu to access the tool mode.

Viewing SOS History Data

Indication and clearing method for SOS history (LED blinking codes).

Power ON Time and OnOff Count

How to display and interpret power on time and switching counts.

Exiting Service Tool Mode

Method to exit the service tool mode.

Hotel Mode Settings

Hotel Mode Purpose

Explains the function of hotel mode to restrict features for hotel use.

Accessing Hotel Mode Menu

The specific command sequence to enter the hotel mode setup.

Exiting Hotel Mode

Procedure to exit the hotel mode menu.

Hotel Mode Menu Explanation

Detailed description of each setting within the hotel mode menu.

USB Memory Data Copying

Purpose of Data Copy

Explains data copying for board replacement or hotel installations.

Board Replacement Data Copy

Procedure for copying data from an old A-board to a new one using USB.

Hotel Installation Data Copy

Method to copy settings from a master TV to multiple units in a hotel.

Option Bytes Description

Option Byte Functions

Detailed explanation of various option bytes and their functions.

Self-Check Diagnostics

Initiating Self-Check

Instructions to initiate self-check for diagnostics.

Exiting Self-Check Mode

Method to exit the self-check mode.

Panel and LED Diagnostics

Power LED Blinking Timing Chart

Table correlating power LED blink patterns to error codes.

LCD Panel Test Mode

To diagnose panel or board failures by displaying test patterns.

Entering LCD Panel Test Mode

Button sequence required to activate the LCD panel test mode.

Exiting LCD Panel Test Mode

Method to exit the LCD panel test mode.

Confirming Failure Location

Method for diagnosing failure location (panel vs. A-board) based on test results.

Adjustment Procedures

White Balance Adjustment

Procedure and parameters for adjusting white balance using external equipment.

Wiring Diagram Overview

System Wiring Diagram

Visual representation of connections between main boards and external interfaces.

Block Diagrams

Block Diagram Part 1

First part of the system's functional block diagram.

Block Diagram Part 2

Second part of the system's functional block diagram.

Component Parts Location

Physical Component Placement

Diagrams showing the physical placement of various components and accessories.

Lead Wiring Location

Internal Cable Routing

Diagram illustrating the routing of internal cables and wiring harnesses.

Replacement Parts List Notes

Parts List Explanations

Explanations of abbreviations, notations, and general notes for the parts list.

Schematic Diagram Interpretation

Schematic Diagram Notes and Symbols

Notes on symbols, measurements, and general warnings for schematic interpretation.