Samsung QN55Q6DRAF Service Manual

Samsung QN55Q6DRAF 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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Table of Contents
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Summarization of Contents

Precautions
Safety Precautions
Essential safety, servicing, and ESD precautions for user and technician protection.
Fire and Shock Hazard
Procedures for checking leads, protective devices, and performing leakage current hot checks.
Product Safety Notices
Information on special safety characteristics of parts and potential hazards from incorrect replacements.
Servicing Precautions
Precautions to follow before servicing, including capacitor polarity and general safety.
Static Electricity Precautions
Techniques to reduce component damage caused by static electricity during handling.
Installation Precautions
Safety measures and considerations for product installation to prevent hazards.
Product Specifications
Product Information
Details on model, dimensions, and weight for various screen sizes of the QLED TV.
Product Specification
Comprehensive technical specifications of the QLED TV, covering display, video, audio, and smart features.
Accessories
List of included accessories, their part codes, and notes on variations depending on the model.
Viewing the Functions
Explanation of key viewing features and technologies like Quantum Dot, HDR, and Intelligent Mode.
Quick Guides
Guidance on using frequently used functions and connecting the Samsung Smart Remote.
The Samsung Smart Remote
Detailed explanation of the Samsung Smart Remote buttons and their functions.
Using the TV Controller
Instructions on how to operate the TV using the built-in TV Controller button.
Supported subtitles
Lists supported subtitle, video, image, music, and codec formats for the TV.
Disassembly and Reassemble
Disassembly
Step-by-step instructions and visual guides for disassembling the TV.
Troubleshooting
Function Control Operation Test
Procedure to test function control operations and check LED status for troubleshooting.
Power
Troubleshooting steps for power-related issues, including SMPS standby and power-on checks.
SMPS Standby
Detailed pin maps and voltage checks for SMPS standby mode across different screen sizes.
SMPS Power On
Procedures for troubleshooting SMPS power-on sequences and checking voltages.
SMPS / PANEL BACKLIGHT (Parallel Wired SMPS Panel Connections)
Troubleshooting for SMPS and backlight issues, including panel connections and test procedures.
Video
Troubleshooting steps for video issues, including customer picture tests and test patterns.
Customer Picture Test
Guide for performing customer picture tests and identifying potential board issues.
Check Test Patterns
Instructions on how to check various test patterns in factory mode for video diagnostics.
MAIN/T-CON BOARD
Steps to diagnose video issues by testing Main, FRC, and T-CON sections.
Audio
Troubleshooting procedures for audio problems related to TV speakers, HDMI, and Bluetooth.
Network
Steps to diagnose and resolve network connectivity issues between the TV, router, and internet.
Smart Hub
Troubleshooting guide for Smart Hub connection, DNS, ISP blocking, and app issues.
BlueTooth / WiFi Module
Pin description and troubleshooting for Bluetooth/WiFi module issues, including MAC address checks.
Factory Mode
Instructions on entering factory mode and performing essential resets and checks.
Factory Mode Adjustments
Detailed guidance on accessing and adjusting factory mode settings for various TV functions.
Entering Factory Mode
Step-by-step instructions for entering the TV's factory mode using remote controls.
Detail Factory Option
Information on changing factory options, including panel, SMPS, and main board details.
Factory Data
Overview of factory data options, including type, local set, and control settings for model configuration.
AV Control Tabe
Table detailing AV control commands and their corresponding hexadecimal values for TV functions.
Updating the TV’s Software
Instructions for updating the TV's software via internet or USB, including auto-update features.
Wiring Diagram
Wiring Diagram
Visual representation of the internal wiring connections between main components of the TV.
Connector
Detailed pin maps for main board and SMPS board connectors, showing pin assignments.
Main Board
Pin map and connection details for the TV's main board, including USB, HDMI, and LAN ports.
SMPS Board
Pin map and connection details for the SMPS (power supply) board, showing power and LED connector assignments.

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