Table Of Contents - Samsung QN49Q6FNAF Service Manual

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 .................................................................................................................. 2-3
2-3. Accessories ................................................................................................................................ 2-26
2-4. Viewing the Functions .............................................................................................................. 2-27
2-4-1. 2018'
2-4-2. Quick Guides ..................................................................................................................2-30
2-4-3. The Samsung Smart Remote ......................................................................................2-34
3. Disassembly and Reassemble ........................................................................................ 3-1
3-1. Disassembly ................................................................................................................................. 3-1
4. Troubleshooting .............................................................................................................. 4-1
4-1. Power ............................................................................................................................................. 4-1
4-1-1. TV POWER STANDBY ....................................................................................................... 4-1
4-1-2. TV POWER ON SEQUENCE .............................................................................................4-6
4-1-3. SMPS / PANEL BACKLIGHT (Parallel Wired SMPS Panel Connections) ................4-10
4-1-4. Additional Option Backlight Test ................................................................................ 4-13
4-1-5. FUNCTION Control Test ................................................................................................ 4-14
4-2. Video ........................................................................................................................................... 4-15
4-2-1. Customer Picture Test ................................................................................................... 4-15
4-2-2. Check Test Patterns ...................................................................................................... 4-16
4-2-3. MAIN/T-CON BOARD .................................................................................................... 4-17
4-3. Audio .......................................................................................................................................... 4-20
4-4. Network ...................................................................................................................................... 4-21
4-5. Smart Hub ..................................................................................................................................4-22
4-6. Bluetooth / WiFi Module ..........................................................................................................4-24
4-7. Factory Mode ..............................................................................................................................4-26
4-8. Factory Mode Adjustments .....................................................................................................4-32
4-8-1. Entering Factory Mode .................................................................................................4-32
4-8-2. Detail Factory Option ...................................................................................................4-33
4-8-3. Factory Data ...................................................................................................................4-38
Concept ......................................................................................................2-27
Contents