Samsung QN49Q6DRAF Service Manual

Samsung QN49Q6DRAF Service Manual

Qled tv

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SERVICE
QLED TV
QN65Q6DRAF
QLED TV
Project : QRQ60T
Chassis : QWD91
Model : QN43Q6DRAF
QN49Q6DRAF
QN55Q6DRAF
QN65Q6DRAF
QN75Q6DRAF
QN82Q6DRAF
Manual
1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
Contents

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Summarization of Contents

Precautions and Safety Guidelines
Safety Precautions
General safety, servicing, and ESD precautions to prevent damage and hazards.
Servicing Precautions
Precautions for servicing units, including capacitor polarity and reading safety sections.
Static Electricity Precautions
Techniques to reduce component damage from static electricity, including grounding and handling ESD-equipped assemblies.
Installation Precautions
Safety precautions for installation, including carrying, power cord placement, ventilation, and battery replacement.
Product Specifications and Features
Product Information
Details on TV dimensions, weight, and model information for various screen sizes.
Detailed Product Specification
Comprehensive technical specifications for TV models, covering display, video, audio, and smart features.
Included Accessories
List of accessories provided with the TV, such as power cables, remotes, and manuals.
Key Feature Overview
Explains important TV functions like Colour Volume, Quantum HDR, Intelligent Mode, and gaming features.
Samsung Smart Remote Guide
Detailed explanation of buttons and functions on the Samsung Smart Remote for TV control.
Disassembly and Reassembly Procedures
TV Disassembly Procedures
Step-by-step instructions for disassembling the LED TV, including screw removal and cover detachment.
Troubleshooting Common Issues
Function Control Troubleshooting
Procedure for testing TV function control operations, including checking LED status and key input.
Power System Troubleshooting
Troubleshooting SMPS standby, power-on sequences, and backlight issues for various TV models.
Video System Troubleshooting
Procedures for diagnosing video issues using picture tests, test patterns, and board-specific checks.
Audio Troubleshooting
Diagnosing and resolving common audio problems related to source, speakers, HDMI ARC, and Bluetooth.
Network Connectivity Troubleshooting
Steps to resolve TV network connection failures, including router and Wi-Fi issues.
Smart Hub Troubleshooting
Guide for fixing Smart Hub connection problems, including DNS, server, and app loading issues.
Factory Mode Procedures
Instructions for entering factory mode, performing resets, and adjusting model-specific options.
Wiring Diagrams and Connectors
Overall Wiring Diagram
Illustrates internal connections between main board, SMPS, speakers, and BT/WIFI for different TV sizes.
Board Connector Details
Pin maps and descriptions for connectors on the Main Board and SMPS Power Supply Board.

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