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Service Manual
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.
There are special components used in this equipment which are important for safety. These parts are marked
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.
Warning
IMPORTANT SAFETY NOTICE
ORDER No. PCZ1503015CE
LCD Television
TX-50CS520E
TX-50CSR520
LA61 Chassis
© Panasonic Corporation 2015.
Unauthorized copying and
distribution is a violation of law.
in the
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Table of Contents
Related Manuals for Panasonic TX-50CSR520
Summarization of Contents
Safety Precautions and Warnings
General Guide Lines
Basic rules for servicing and safety.
Touch-Current Check
Procedure to check for shock hazards using a measuring network.
Electrostatic Discharge (ESD) Prevention
ESD Handling Techniques
Methods to prevent damage to sensitive components from static electricity.
Soldering Procedures and Materials
Lead-Free Solder (PbF) Information
Details on lead-free solder, its properties, and usage.
Suggested Lead-Free Solder Types
Recommendations for suitable lead-free solder alloys.
Chassis and Board Navigation
Chassis Board Layout
Visual guide to the main circuit boards and their placement within the chassis.
Service Hints and Procedures
Backcover Removal
Step-by-step instructions for removing the television's back cover.
Pedestal Assembly Removal
Guide on how to detach the TV's pedestal stand.
Applicable Signals and Formats
Supported Component and HDMI Signals
List of video signal formats compatible with Component and HDMI inputs.
Television Specifications
Power, Aerial, and Terminal Specifications
Details on power source, aerial impedance, and input/output terminals.
Technical Description and Features
Key Feature Specifications
Overview of supported technologies like DTCP-IP, HDCP2, Netflix, etc.
IC Replacement Guidelines
Procedures and considerations for replacing integrated circuits.
Model-Specific Key Features
Table detailing features available per model number.
Setting Inspection Procedures
Voltage Confirmation Points
Test points and expected voltage values for A and P boards.
Service Mode Functionality
Entering and Exiting Service Mode
Instructions on how to access and leave the service menu for adjustments.
Service Mode Adjustments
Adjustment Menu Navigation
Guide to using buttons for adjusting settings within the service menu.
White Balance (WB-ADJ) Settings
Detailed parameters for adjusting white balance settings.
Option Bytes Configuration
Description of various option bytes and their settings.
Service Tool Mode Operations
Accessing Service Tool Mode
Steps to enter the service tool mode for advanced diagnostics.
Displaying SOS and Power History
Information on viewing SOS history and power on/off counts.
Hotel Mode Configuration
Accessing Hotel Mode Menu
Command sequence to enter the hotel mode setup.
Hotel Mode Settings Explained
Detailed explanation of each setting within the hotel mode menu.
USB Data Copy Functions
Board Replacement Data Copy
Copying settings for A-board replacement.
Hotel Unit Data Copy
Copying settings for multiple units in a hotel setup.
Data Copy from TV to USB Memory
Performing TV to USB Data Transfer
Step-by-step guide for copying TV data to a USB drive.
Data Copy from USB Memory to TV
Performing USB to TV Data Transfer
Step-by-step guide for loading data from USB to the TV.
Option Bytes Configuration Details
Description of Option Bytes 1-4 & 16
Detailed explanation of the function of various option bytes.
Self-Check Diagnostic Functions
Accessing Self-Check Indications
How to initiate self-check for hardware status.
Forced Factory Shipment Setting
Procedure to reset the TV to factory default settings via self-check.
Troubleshooting and Test Modes
Power LED Blinking Chart
Guide to interpreting power LED blinking patterns for fault diagnosis.
LCD Panel Test Mode Entry
Steps to enter the LCD panel test mode for picture diagnostics.
LCD Panel Test Mode Confirmation
Method to diagnose issues using the LCD panel test mode.
Wiring Diagram
A/P/K Board Connectivity
Diagram showing connections between main boards and panel.
Block Diagram (Part 1)
A-Board Signal Flow
Block diagram illustrating signal paths on the A-board.
Block Diagram (Part 2)
P-Board and K-Board Block Diagram
Block diagram showing P-board and K-board functionality and connections.
Parts Location Diagrams
Pedestal and Frame Parts Location
Visual identification of pedestal and frame components.
Component Parts Location
Main Board and Speaker Parts Location
Identification of key board and speaker components.
Lead Wiring Location Guide
Wiring Harness and Board Connections
Location of various wiring harnesses and board connectors.
Replacement Parts List Notes
Part Description Abbreviations
Explanation of abbreviations used for resistors and capacitors.
Retention Time Limited (RTL) Parts
Information on parts with limited availability after production.
Schematic Diagram Conventions
Resistor and Capacitor Notation
Explanation of symbols and units for resistors and capacitors.
Signal Path and Voltage Measurement Symbols
Symbols indicating signal paths and voltage measurement points.
Safety Remarks for Schematics
Important safety warnings when working with schematic diagrams.
A-BOARD Schematic (1/16)
IIC-BUS and Power Supply Lines
Schematic section showing IIC-bus and power supply connections.
A-BOARD Schematic (2/16)
HDMI 1 and HDMI 2 Interface Circuits
Schematic detailing the HDMI interface circuitry.
A-BOARD Schematic (3/16)
Audio Amplifier (AMP) Circuit
Schematic section for the audio amplifier and speaker connections.
A-BOARD Schematic (4/16)
SCART, OPT, HP, and CVBS Input Circuits
Schematic of SCART, OPT, HP, and CVBS input sections.
A-BOARD Schematic (5/16)
Various Port and Controller Interfaces
Schematic showing diverse port and controller connections on the A-board.
A-BOARD Schematic (6/16)
CI Slot and Connector Interface
Schematic detailing the Common Interface (CI) slot and connector.
A-BOARD Schematic (7/16)
A11 to LCD Panel Connections
Schematic showing connections from A-board to the LCD panel.
A-BOARD Schematic (8/16)
Power Supply and Regulator Circuits
Schematic section detailing power supply and voltage regulator circuits.
A-BOARD Schematic (9/16)
A10 to K10 and A02 to P2 Connections
Schematic showing inter-board connections.
A-BOARD Schematic (10/16)
WIFI, SD-CARD, USB, EX-BUS, STM-EEPROM, JTAG Interfaces
Schematic for various peripheral interfaces.
A-BOARD Schematic (11/16)
System Bus, Lock, Video Input, and USB Interfaces
Schematic showing system bus and input interfaces.
A-BOARD Schematic (12/16)
Power Supply and Regulator Circuit Details
Detailed schematic of power supply and regulator circuits.
A-BOARD Schematic (13/16)
LOCK/SLD8A and Test Interfaces
Schematic section for LOCK/SLD8A and test interfaces.
A-BOARD Schematic (14/16)
DDR3 Memory Interfaces (CH0 and CH1)
Schematic for DDR3 memory interfaces.
A-BOARD Schematic (15/16)
Power, Tuner, and NIM-FE Circuits
Schematic section covering power, tuner, and NIM-FE.
A-BOARD Schematic (16/16)
Demodulator Circuit Diagram
Schematic of the demodulator circuit.
P-BOARD Schematic (1/3)
PFC and LLC Primary Circuits
Schematic showing PFC and LLC primary sections.
P-BOARD Schematic (2/3)
LLC Secondary and Control Circuits
Schematic details of LLC secondary and control circuits.
P-BOARD Schematic (3/3)
Transistor and Component Connections
Schematic showing transistor and component interconnections.
K-BOARD Schematic
K-Board Component Layout
Schematic showing the K-board components and connections.
Conductor Views
A-BOARD Top Layer Layout
Visual layout of components on the top side of the A-board.
A-BOARD Bottom Layer Layout
Visual layout of components on the bottom side of the A-board.
P-BOARD Top Layer Layout
Visual layout of components on the top side of the P-board.
P-BOARD Bottom Layer Layout
Visual layout of components on the bottom side of the P-board.
K-BOARD Top and Bottom Layout
Visual layout of components on both sides of the K-board.
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