Table Of Contents - Samsung QN55Q75CNF Service Manual

Qled tv

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User manual (24 pages)

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Table of Contents

1. Precautions ....................................................................................................................... 1-1

1-1. Safety Precautions .......................................................................................................................1-1

1-1-1. Warnings .............................................................................................................................1-1

1-1-2. Servicing the LED TV ........................................................................................................1-1

1-1-3. Fire and Shock Hazard ......................................................................................................1-1

1-1-4. Product Safety Notices.................................................................................................... 1-2

1-2. Servicing Precautions ................................................................................................................. 1-3

1-2-1. General Servicing Precautions ...................................................................................... 1-3

1-3. Static Electricity Precautions .................................................................................................... 1-4

1-4. Installation Precautions ............................................................................................................. 1-5

2. Product Specifications .................................................................................................... 2-1

2-1. Product information .....................................................................................................................2-1

2-2. Product specification .................................................................................................................. 2-2

2-3. Accessories ...................................................................................................................................2-8

2-4. Viewing the Functions ................................................................................................................ 2-9

2-4-1. 2018' Concept ................................................................................................................... 2-9

2-4-2. Quick Guides ...................................................................................................................2-12

2-4-3. The Samsung Smart Remote ...................................................................................... 2-16

2-4-4. Supported Resolutions for UHD Input Signals ......................................................... 2-18

2-4-5. HDMI black level ........................................................................................................... 2-19

2-4-6. Supported Formats .......................................................................................................2-20

3. Disassembly and Reassemble ........................................................................................ 3-1

3-1. Disassembly ................................................................................................................................. 3-1

3-2. One Connect ................................................................................................................................3-8

4. Troubleshooting .............................................................................................................. 4-1

4-1. Power ............................................................................................................................................. 4-1

4-1-1. TV POWER STANDBY ....................................................................................................... 4-1

4-1-2. TV POWER ON SEQUENCE .............................................................................................4-3

4-1-3. Additional Backlight Test ...............................................................................................4-5

4-1-4. Diagnostic Methods - Flashing Symtom Codes ......................................................... 4-7

4-1-5. Function Control Operation/Test ..................................................................................4-8

4-2. Video .............................................................................................................................................4-9

4-2-1. Troubleshooting Video Problems .................................................................................4-9

4-2-2. TV MAIN / T-CON ...........................................................................................................4-10

4-3. Audio ........................................................................................................................................... 4-13

4-4. Network ...................................................................................................................................... 4-14

4-5. Smart Hub .................................................................................................................................. 4-15

Contents