Table Of Contents - Samsung QE49Q8 Series Service Manual

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 ................................................................................................................................ 2-10

2-4. Supported Formats ....................................................................................................................2-11

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

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

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

4-1. Function Control Operation Test ............................................................................................... 4-1

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

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

4-2-2. SMPS/PANEL BACKLIGHT TEST ...................................................................................4-4

4-3. Video .............................................................................................................................................4-5

4-3-1. Customer Picture Test .....................................................................................................4-5

4-3-2. TROUBLESHOOTING VIDEO PROBLEMS - TV MAIN/T-CON Models

4-4. Audio .............................................................................................................................................4-9

4-5. Network ......................................................................................................................................4-10

4-6. Smart Hub Connection Test .................................................................................................... 4-13

4-7. Bluetooth / WiFi Module ........................................................................................................... 4-15

4-8. Replacing Main Board .............................................................................................................. 4-16

4-9. Factory Mode .............................................................................................................................4-18

4-10. Factory Mode Adjustments ...................................................................................................4-24

4-10-1. Entering Factory Mode ...............................................................................................4-24

4-10-2. Factory Data .................................................................................................................4-26

4-11. RS-232C .....................................................................................................................................4-35

4-12. AV Control Tabe .......................................................................................................................4-36

4-13. Updating the TV's Software ...................................................................................................4-43

Contents

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