Table Of Contents - Samsung Frame QN43LS03TAF Service Manual

Chassis: qwd90

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. Other Information ............................................................................................................................ 2-3

2-3. Accessories .........................................................................................................................................2-7

2-4. Viewing the Functions ..................................................................................................................... 2-8

2-5. About the Buttons on the Remote ...............................................................................................2-19

2-6. Using the TV Controller ..................................................................................................................2-21

2-7. One Connect ..................................................................................................................................... 2-22

2-8. Supported subtitles ....................................................................................................................... 2-23

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

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

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

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

4-1. Function ...............................................................................................................................................4-1

4-2. Power .................................................................................................................................................. 4-3

4-2-1. TV POWER STANDBY ............................................................................................................ 4-3

4-2-2. TV POWER ON SEQUENCE ................................................................................................. 4-8

4-2-3. BACKLIGHT .......................................................................................................................... 4-13

4-3. Video ................................................................................................................................................. 4-19

4-3-1. Customer Picture Test ....................................................................................................... 4-19

4-3-2. Check Test Patterns ..........................................................................................................4-20

4-3-3. MAIN BOARD ...................................................................................................................... 4-21

4-4. Audio ................................................................................................................................................ 4-24

4-5. Network ........................................................................................................................................... 4-25

4-5-1. Checking the Internet connection status ...................................................................... 4-25

4-5-2. Using the Wifi Analyzer App ............................................................................................ 4-27

4-5-3. Wired LAN Operation Test (TV to Router) .....................................................................4-28

4-5-4. Know Before Wireless Internet Connection ................................................................. 4-29

4-6. Smart Hub .......................................................................................................................................4-30

4-6-1. Smart Hub Connection Test .............................................................................................4-30

Contents