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SERVICE MANUAL
1. Caution....................................................................................
2. Specification..............................................................................
3. Alignment Procedure..................................................................
4． Scheme Diagram........................................................................
5． Troubleshooting...........................................................................
6. Explode drawing...........................................................................
This manual is t he latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product
43D1240
/NT72563
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Summarization of Contents
Cautionary Notes
Radiation Hazard Warning
Warning about hazardous radiation exposure from controls.
Electrical Shock Hazard Warning
Caution against opening covers and exposing to voltage.
Moisture Exposure Warning
Warning to keep the appliance away from rain or moisture.
Important Safety Instructions
General Safety Guidelines
Essential safety rules for operating the equipment.
Personal Safety Measures
Precautions for user safety during operation.
Operation and Maintenance
Operating Procedures
Guidance on normal product operation.
Troubleshooting Operation Issues
Steps to take if the set does not operate properly.
Service and Modification Guidelines
Procedures for servicing and modifications.
Product Specifications
Basic Information
Core technical details of the product.
Media Format
Supported audio and video file types.
Signal Format Capability
Supported input signal formats.
Panel Specification
Details about the display panel.
Terminals
Connectivity ports and their specifications.
Factory Menu Operations
Open the Factory Menu Method
Steps to access the service menu.
Schematic Diagrams
EMI Filtering Circuit Diagram
Schematic illustrating EMI suppression components.
Flyback Power Supply Circuit Diagram
Schematic of the flyback power supply stage.
TV Interface Connection Diagram
Wiring diagram for TV input/output.
Troubleshooting Guide
Troubleshooting Terms and Definitions
Definitions of technical abbreviations used in troubleshooting.
Exploded View and Part List
Part List - Main Board and VESA Mount
List of parts for the main board and VESA mount.
Part List - Covers and Stand
Parts for the back cover and stand assembly.
Part List - Internal Components and Hardware
List of internal parts like IR/button PCBA, lens, speaker.
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