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Samsung UN55D6420UF User Manual

Samsung UN55D6420UF
87 pages
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LED-TV
SERVICE
Manual
TFT-LCD TV Contents
1. Precautions
2. Product specications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
UN**D6****F
Chassis : U63A
Model : UN40D6400UF
UN46D6400UF
UN55D6400UF
UN40D6420UF
UN46D6420UF
UN55D6420UF
UN40D6450UF
UN46D6450UF
UN55D6450UF
UN32D6500VF
UN40D6500VF
UN46D6500VF
UN55D6500VF
UN46D6900WF
UN55D6900WF

Table of Contents

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Samsung UN55D6420UF Specifications

General IconGeneral
Screen Size55 inches
Resolution1920 x 1080
Display TypeLED
Refresh Rate120Hz
Smart TVYes
HDMI Ports4
USB Ports3
Ethernet PortYes
Wi-FiYes
Audio Output20W
3D CapableYes

Summary

Precautions

1-1. Safety Precautions

Covers general safety, servicing, fire, shock hazards, and product safety notices.

1-2. Servicing Precautions

Details general servicing, ESD precautions, and specific warnings for technicians.

1-3. Electrostatically Sensitive Devices (ESD) Precautions

Guidelines for handling ESD sensitive components to prevent damage.

1-4. Installation Precautions

Safety guidelines for installing the TV, including ventilation and power cord management.

Product Specifications

2-1. Specifications Information

Compares features and specifications across different TV models, including model comparison.

2-1-2. Feature & Specifications

Detailed features and technical specifications for specific TV models.

2-1-3. Spec Comparison to the Old Models

Compares current Samsung TV models with older models.

2-2. Detail Factory Option

Lists factory options and settings for various TV models like UD6400, UD6420, UD6450.

2-3. New Functions Explanation

Explains new TV features such as Auto Motion Plus 120Hz and its settings.

2-3-2. Media Play

Details supported media file formats, subtitle formats, and playback restrictions.

2-3-3. AllShare

Describes connecting mobile devices, sharing media, and managing messages via the TV.

2-3-4. Full Browser

Information on using the TV's built-in web browser, including its features and navigation.

2-3-5. OTN Over The Network

Explains the Over-The-Network update system for TV software.

2-3-6. 3D Display

Details 3D display concepts, formats, and adjustment options.

2-3-7. QWERTY Remote

Covers the QWERTY remote's specifications, key descriptions, and pairing procedures.

2-4. Accessories

Lists included accessories with their part numbers and remarks.

Disassembly and Reassembly

3-1. Disassembly and Reassembly

Step-by-step guide for disassembling and reassembling the TV.

Troubleshooting

4-1. Troubleshooting

General troubleshooting steps, including cable checks and pattern checks.

4-1-1. No Power

Diagnoses and solutions for the TV not turning on.

4-1-2. No Video (Analog PC signal)

Troubleshoots no video issues with analog PC input.

4-1-3. No Video (HDMI - Digital Signal)

Diagnoses and resolves no video problems with HDMI input.

4-1-4. No Video (Tuner_CVBS)

Troubleshooting guide for no video from Tuner (CVBS) input.

4-1-5. No Video (Tuner DTV)

Addresses no video issues when using Tuner (DTV) input.

4-1-6. No Video (Video CVBS 1, 2)

Guides on fixing no video for CVBS 1 and CVBS 2 inputs.

4-1-7. No Video (Component)

Troubleshoots no video issues with Component input.

4-1-8. No Sound (1.Speaker 2.Monitor_out, 3.Optical)

Diagnoses and solves problems with no sound from speakers or outputs.

4-2. Fuction

Explains function key sensitivity control in Factory Mode.

4-3. Factory Mode Adjustments

Details how to enter and navigate Factory Mode for adjustments.

4-4. Factory Data

Lists factory menu options for various settings like Type, Model, and Region.

4-5. White Balance

Covers calibration and service adjustments for white balance and color.

4-6. Software Upgrade

Instructions for upgrading TV firmware via USB or online.

4-7. RS-232C

Information on RS-232C control, port configuration, and pin descriptions.

4-8. AV control code

Lists AV control codes for various functions like Power, Volume, and Input selection.

4-9. Rear Cover Dimension

Provides dimensional data for the rear cover of different TV sizes.

4-10. Compare 55 inch with Others

Compares internal components and cables for 55-inch models versus others.

Wiring Diagram

5-1. Wiring Diagram

Illustrates the internal wiring connections for different TV sizes.

5-2. Connector

Lists connector names and pin assignments for various TV boards.

5-3. Connector Functions

Explains the functions of specific connectors used in the TV.

5-4. Cables

Details the cables used for connecting the Main Board to SMPS and T-con.

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