1. Precautions 1. Precautions 1-1. Safety Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1-1. Warnings For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC power jack before servicing.
1. Precautions 1-1-4. Product Safety Notices Some electrical and mechanical parts have special safetyrelated characteristics which are often not evident from visual inspection. The protection they give may not be obtained by replacing them with components rated for higher voltage, wattage, etc.
1. Precautions 1-2. Servicing Precautions An electrolytic capacitor installed with the wrong polarity might explode. WARNING Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. CAUTION If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
1. Precautions 1-3. Static Electricity Precautions Some semiconductor (solid state) devices can be easily damaged by static electricity. Such components are commonly called Electrostatically Sensitive Devices (ESD). Examples of typical ESD are integrated circuits and some field-effect transistors. The following techniques will reduce the incidence of component damage caused by static electricity. Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from your body by touching a known earth ground.
1. Precautions 1-4. Installation Precautions For safety reasons, more than a people are required for carrying the product. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire.
2. Product specifications 2. Product Specifications 2-1. Product information Model QN**Q6FAMF Front View * W : Width H : High D : Depth Detail View Color Front : DARK TITAN / Stand : DARK TITAN Body 42.9 x 25.0 x 2.2 inches (1090.3 x 634.1 x 55.3 mm) 49"...
2. Product specifications 2-2. Product specification NOTE Design and specifications are subject to change without prior notice. Last Update Date : 2017.09.21 Item QN49Q6FAMFXZA General Information Product QLED Series Country UNITED STATES Display Screen Size 49" Q Display Resolution 3,840 × 2,160 Ultra Black Screen Curvature 10 bit Support...
Page 12
2. Product specifications Item QN49Q6FAMFXZA Smart Service Web Browser Samsung Connect Smart View Convergence TV to Mobile - Mirroring Mobile to TV - Mirroring, DLNA 360 Video Player 360 Camera Support Bluetooth Low Energy WiFi Direct TV as Hub Support...
Page 13
2. Product specifications Item QN49Q6FAMFXZA Additional Feature Voice Guide(US English)/ Enlarge/ High Accessibility Contrast/ Learn TV Remote(US English)/ Multi- output Audio One Connect One Connect Mini Digital Clean View Auto Channel Search Auto Power Off Caption (Subtitle) Connect Share™ (HDD) ConnectShare™...
Page 14
2. Product specifications Item QN55Q6FAMFXZA General Information Product QLED Series Country UNITED STATES Display Screen Size 55" no data...
The part code for some accessories may differ depending on your region. • The provided accessories may vary depending on the model. Image Product Inches Code. No • Samsung Smart Remote BN59-01292A • Batteries (AA x 2) 4301-000101 • Power Cord 3903-001209 49"...
2. Product specifications 2-4-3. Smart Features NOTE • The image on your TV may differ from the image above depending on your model and geographical area. Smart Hub View descriptions of Smart Hub's basic functions. After pressing the button on your remote control, you can surf the web and download apps with Smart Hub. •...
Page 19
2. Product specifications APPS Download and run various apps from Smart Hub. Apps £ š You can enjoy a wide range of content including news, sports, weather, and games by installing the corresponding apps on your TV. • To use this feature, the TV must be connected to the Internet. •...
Page 20
To connect the TV to a computer, refer to "Connecting a Computer." • Backup important files before connecting a USB device. Samsung is not responsible for damaged or lost files. • To connect the TV to a mobile device, refer to "Connecting a Mobile Device."...
Pairing the TV to the Samsung Smart Remote When you turn on the TV for the first time, the Samsung Smart Remote pairs to the TV automatically. If the Samsung Smart Remote does not pair to the TV automatically, point it at the remote control sensor of the TV, and then press and hold...
This section of the service manual describes the disassembly and reassembly procedures for the LED TV. Disconnect the LED TV from the power source before disassembly. Follow these directions carefully. Use the Samsung Service tool to disassemble the cabinet. • Recommend to use the Samsung Service tool.
Page 23
3. Disassembly and Reassemble Description & Screws Picture Description Use Open Jig to release tape in corners and Jig Direction all clips as indicated in red on sides and top & bottom. Gently lift up the Rear Cover starting at the top being careful of function assembly at the bottom.
Page 25
3. Disassembly and Reassemble Description & Screws Picture Description Remove the ASSY PCB MAIN BOARD. Locking • Gently lift up to release the lock (Locking • Use both hands to hold (Bottom chassis Guide Fixing Hole ) the board and slide to the left to release the board.
Page 26
3. Disassembly and Reassemble Description & Screws Picture Description Completed the disassembly. NOTE Reassembly procedures are in the reverse order of disassembly procedures.
4. Troubleshooting 4. Troubleshooting 4-1. Previous Check Check list for initial operation Check the various cable connections first. Check to see if there is a burnt or damaged cable. Check to see if there is a disconnected or loose cable connection. Check to see if the cables are connected according to the connection diagram.
4. Troubleshooting 4-2. How to Check Fault Symptom 4-2-1. Power FUNCTION/IR Control CN1601 (FUNCTION/IR) IR_TX_OCM KEY_INPUT2 DGND LED_STB_OUT A3.3V_PW A3.3V_PW IRB_SCL_I2C IRB_SDA_I2C KEY_INPUT1 LED Status / Function Switch <Function/IR> TV in Standby LED Status LED is OFF LED 1.7Vdc (pin 8) and VCC for 3.3Vdc (pin 3) •...
Page 30
4. Troubleshooting TV POWER STANDBY TV in Standby Standby LED Indicator If Not Lit: AC 120Vac Line If missing: 120Vac Source and Power Cord If OK: Resistance on SMPS Fuse after first removing AC power cord. If fusses are open replace SMPS. If fuses are OK: Standby: A13V...
Page 31
4. Troubleshooting TV POWER ON SEQUENCE Power TV On. PS_ON . 2Vdc (when off) changes to 3.3Vdc (on) May already be On if IoT USB is loaded or TV Smart Things Hub mode is active. if voltage error or no change. Jog Function Control Test.
Page 32
4. Troubleshooting SMPS / PANEL BACKLIGHT (Parallel Wired SMPS Panel Connections) Activate Backlights Test Disconnect Lead Cable from Main Board to Power Supply. 49" / 55" : CN9003 TV Screen for active backlight LEDs. If NO BACKLIGHTS Minus (Control) pins & Plus (Supply) pins voltages on the Panel Connector. •...
Page 33
4. Troubleshooting Troubleshooting Backlights Additional Option : 49 / 55 inches 33Vdc 84Vdc Ref. Chassis Ground (Voltages Vary with Panel Size) CN9003 (Main ↔ SMPS) to activate backlights. Remove Check each separate backlight supply at the 8 circled Diodes for approx. 84Vdc by connecting the multi meter to CH1 through CH8 Cathode Stripped side of Diodes.
4. Troubleshooting 4-2-2. Video Customer Picture Test Main Board Section Main Board Section Test Result Problem Check Signal Source and other input Pass to One Connect Fail Replace Main / T-CON Board Video Circuit Layout: One Connect Mini Model ...
4. Troubleshooting 4-2-3. One Connect TV Power’s On with no on screen video or Menu Power the TV " Off". Unplug One Connect Cable to the TV. Power the TV " ON" [One Connect disconnect banner will appear.] If there is a problem in the One Connect and the TV Panel is OK the disconnect banner will appear. Replace defective One Connect Board.
4. Troubleshooting 4-2-4. Troubleshooting Video Problems New combined MAIN/T-CON Models [ONE CONNECT MINI] [Disconnect Banner] [Connect Cable] • Video Operation If No/Noisy Video Disconnect One Connect Cable "Disconnect Banner" is displayed. If Banner Appears OK Input Source/Cables One Connect Box/Cable (defective) If No/Noisy Banner &...
Page 37
4. Troubleshooting MAIN / T-CON Board Main Board Section Start Up Logo Customer Picture Test 1 Mute - 147 - Mute Video Operation : Generated on Main Section. If OK: Source & Input Cables. Other inputs. One Connect Cable/Box. If Noisy: T-CON Section Test Patterns.
Page 38
4. Troubleshooting T-CON Section Mute - 369 - Mute NOTE May not be available for Larger models over 70 inches. Video Operation : Generated at T-CON Section. If OK: Main / T-CON Board (defective). If Noisy: Main / T-CON Board. 4-12...
4. Troubleshooting 4-2-5. Audio Audio Source (One Connect Mini) - Main Board - Speakers • No TV Sound Menu → Audio → Speaker Settings set to TV Speaker • Noisy / Distorted TV Audio Customer Menu → Support → Sound Test •...
4. Troubleshooting 4-2-6. Network <TV> <Router> <Internet> TV to Router "Failure" Check Network Status (TV Router Internet) • Wired & Wireless MAC Address in Customer Support Menu. No Wired MAC Address : Replace Main Board. No Wireless MAC Address : Module cabling &...
Terms of Agreement are accepted. Samsung Apps If it Fails: • Reset Smart Hub. Samsung Apps load correctly. Perform " Apps Reset" in Factory Mode. Go to Smart Hub and complete Terms of Agreement and set up information. Samsung Apps load correctly.
Page 43
4. Troubleshooting For Netflix Operation/Connection Issues: • Check Certificate & Netflix ESN Status in Factory Mode. If Certificate and ESN exists, " CO", "NfO", change the 8.8.8.8 If Certificate is missing, " C/" replace the TV’s Main Board. If ESN number is missing: NF/ do not replace the Main Board.
4-3. Factory Mode Factory Remote Power TV ON. Select TV Source. Info → Factory. MENU for return. Samsung IR Remote (Limited Operation) TV Power Standby. Press as follows. • Remote Button : NTSC : MUTE POWER ON PAL :...
Page 46
4. Troubleshooting • Slide details Testing Items Micom Version Home Updates Exit T-KTMAKUC-XXXX.XX Sub Micom T-KTMINTV-XXXX Option Tizen TIZEN-X.X.-MAIN2017-Kant-M-RELEASE_XXXXXXXX.X Control (Debug) Debug Main SPI version : 0 OCM SPI version : 0 BT Version BT Version : BLUETOOTH-VER-XXXX ADC/WB E-Manual E-Manual:---- Blaster Version : Not support Advanced...
Page 47
4. Troubleshooting £ Test Patterns Main Board Scaler Pattern KANT-M US Post Pattern FRC Pre Test Pattern FRC Post Test Pattern T-CON SoC TCON Test Pattern Check Test Patterns Verify " Scaler Pattern" and "US Post Pattern". Verify " FRC Pre Test Pattern".
Page 48
4. Troubleshooting £ Info £ ER Count • WD Count : Watch Dog (Hardware related issue). • AR Count : Auto Reset (software (i.e. Apps) related. important Error Count Status Screen. • Verify each item listed. 4-22...
Page 49
4. Troubleshooting Factory Mode £ Control £ EDID Remove ALL HDMI connections. Factory Mode → Control → EDID. (→ Enter Key) Option EDID Control Sub Option Debug Hotel Option Shop Option ADC/WB Asia Option Advanced Sound Select EDID/OFF to ON. (→ Right Arrow Key) EDID ON/OFF Enter Key)
4. Troubleshooting 4-4. Factory Mode Adjustments 4-4-1. Detail Factory Option NOTE If you replace the main board with new one, please change the factory option as well. The options you must change are "Type". QN49Q6FAMFXZA • PANEL / SMPS / MAIN Information Multi PANEL SMPS...
Page 51
4. Troubleshooting QN55Q6FAMFXZA • PANEL / SMPS / MAIN Information Multi PANEL SMPS MAIN Vendor Vendor SOLUM ASSY ASSY CHASSIS PCB MAIN Code Spec Type Code Spec FA01 BN95-03846C CY-QM055FLLV5V/H 55A1AU0QM BN44-00911A L55E8NR_MSM BN91-19670B BN94-12756C • Factory Option Local Set BOM Model Front Color S/W Model...
4. Troubleshooting 4-4-2. Factory Data Option Factory Menu Name Data Range Factory Reset Type 49" 49A6AU0QM 55" 55A1AU0QM Local Set SW Model QMQ6FRE BOM Model 6FAM TUNER Ch Table NONE MRT Option Control Factory Menu Name Data Range EDID EDID ON/OFF EDID WRITE ALL...
Page 53
4. Troubleshooting Factory Menu Name Data Range RF Remocon Support CDD mode … DPMS Support T-CON Device JazzFT RM Server Type Operating LMF LEAVE THRESHOLD LMF TRIM THRESHOLD LMF TERM THRESHOLD EOS Click BP PMS Reset FAnet Thread CI CPLD Version ACM_MC UNIQUE TRIPLET FS_FAV...
Page 54
4. Troubleshooting Factory Menu Name Data Range External Source Eco Solution Cloning Shop Option Exhibition Mode Peak Mode Metadata Shopmode Picture Reset Asia Option Unbalance AF Level adjust TX Power Level Mono Last Memory H Shaking SOUND High Devi *If the broadcast signal is not good, TV will complement the characteristics of the signal (most use when weak signal comes from the growing area countries)
Page 55
4. Troubleshooting Factory Menu Name Data Range Bottom Checksum NONE Wall Filter Type SRS Tuning Parm SPDIF PCM Gain AudioDock BT Delay 3D_Glass BT delay Mic Scale India Sound Speaker Delay Normal NTV CU Delay NORMAL Lipsync Inx Lipsync Checksum 0x4972 Lipsync USB Test Ready...
Page 56
4. Troubleshooting Factory Menu Name Data Range N Vx1 SSC ON/OFF N Vx1 Value FRC Vx1 SSC ON/OFF FRC Vx1 SSC Period FRC Vx1 SSC Modulation FRC LVDS ON/OFF FRC LVDS SSC MFR FRC LVDS SSC MRR FRC DDR SSC ON/OFF FRC DDR SSC Period FRC DDR SSC Modulation ADV7619 Data strength...
Page 57
4. Troubleshooting Factory Menu Name Data Range TCON_TEMP READ TEMP LAST 6000 DCC VERSION TCON Demura Bypass TCON FDisplay Panel Code 1 Panel Code 2 Panel Revision Panel Menu Week Panel S/N 1 Panel S/N 2 Panel S/N 3 Panel S/N 4 MPEG Margin H.264 Margin CAM Wait Time...
Page 58
4. Troubleshooting Factory Menu Name Data Range BT DUT BT Throughput Failure Reproduce Module 21_9 L-DETECT STABLE TIME L-DETECT UNSTABLE TIME L-DETECT CAPTION THRESHOLD L-DETECT RAGION THRESHOLD L-DETECT B-LEVEL THRESHOLD L-DETECT USB SUPPORT DB Download MRT Option Dump Failure Picture Data Dump Failure VCONF Dump Failure...
Page 59
4. Troubleshooting Factory Menu Name Data Range HDMI FLT CNT LOS UNSTABLE BAN CNT 1250ms HDMI ROBIN HDMI Callback HDMI CTS Thld HDMI CTS Cnt1 HDMI EQ HDMI Write Type HDMI Switch DVI SET TIME H Write HDMI Sync HDMI 3D DET HOT PLUG OFF HOLD TIME 600ms HDMI MUTE TIME...
Page 60
4. Troubleshooting Factory Menu Name Data Range US Post Pattern FRC Pre Pattern FRC Post Pattern SOC TCON Pattern SOC TCON Pattern Level FRC OSD Pre Pattern FRC OSD Post Pattern FRC2 Pre Pattern FRC2 Post Pattern SOC TCON2 Pattern SOC TCON2 Pattern Level Upgrade T-CON DATA UPGRADE...
Page 61
4. Troubleshooting Factory Menu Name Data Range UD LDC PROFILE UPGRADE Pic Data USB Update Audio Data USB Update Eco Data USB Update CI CPLD Upgrade SC ADK Upgrade Other Setting Delete S/N IPERF Stopped Expert CAL Data Backup … CAL Data Restore MICOM POWER OFF NTV CU FW VER...
Page 62
4. Troubleshooting Factory Menu Name Data Range HDMI Calibration ADC Result 1st_Y_GH 1st_Y_GL 1st_Cb_BH 1st_Cb_BL 1st_Cr_RH 1st_Cr_RL 2nd_R_L 2nd_G_L 2nd_B_L 2nd_R_H 2nd_G_H 2nd_B_H White Balance R-Offset G-Offset B-Offset R-Gain G-Gain B-Gain WB-W2_R_Offset WB_W2_B_Offset WB_W2_R_Gain WB_W2_B_Gain WB_N_R_Offset WB_N_B_Offset WB_N_R_Gain WB_N_B_Gain MGA On/Off R1_Gain G1_Gain B1_Gain...
Page 63
4. Troubleshooting Factory Menu Name Data Range R3_Gain G3_Gain B3_Gain R4_Gain G4_Gain B4_Gain R5_Gain G5_Gain B5_Gain R6_Gain G6_Gain B6_Gain R7_Gain G7_Gain B7_Gain R8_Gain G8_Gain B8_Gain R9_Gain G9_Gain B9_Gain R10_Gain G10_Gain B10_Gain SPI White Balance SPI White Balance On/Off SPI R-Offset SPI G-Offset SPI B-Offset SPI R-Gain...
Page 64
4. Troubleshooting Factory Menu Name Data Range SPI W2 Bgain SPI W2 Roffset SPI W2 Boffset SPI MGA WB Data to SPI Advanced 4-38...
4. Troubleshooting 4-5. AV Control Tabe Control Item Cmd1 Cmd2 Cmd3 Value General Power Power 0x00 0x00 0x00 0x00 0x01 0x02 Volume Direct 0x01 0x00 0x00 (0~100) 0x01 0x00 Down 0x02 0x00 Mute 0x02 0x00 0x00 0x00 Direct 0x04 Continuous 0x03 0x00 0x01...
Page 66
4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE BackLight(CellLight) 0~20 0x01 0x00 (0~20) Contrast 0~100 0x02 0x00 (0~100) Brightness 0~100 0x03 0x00 (0~100) Sharpness 0~100 0x04 0x00 (0~100) Color 0~10 0x05 0x00 (0~100) Tint 0x06 0x00 (0~100) Advanced Settings Black Tone 0x07 0x00...
Page 67
4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Advanced Settings Color Space Custom Cyan 0x04 Color Magenta 0x05 Color Space Custom 0~100 0x13 0~100 Color Red Value Color Space Custom 0~100 0x14 0~100 Color Green Value Color Space Custom 0~100 0x15 0~100...
Page 68
4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Film Mode Auto2 0x02 Cinema 0x03 Smooth Auto Motion Plus 0x06 0x00 Clear 0x01 Standard 0x02 Smooth 0x03 Custom 0x04 Blur Reduction 0x0b 0x01 value Judder Reduction 0x02 value LED Clear Motion 0x03 0x00 LED Clear Motion...
Page 69
4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Screen Adjustment Position Position3 0x02 Position4 0x03 Reset Picture Reset Picture 0x0d 0x0b 0x00 0x00 3D Mode 0x0e 0x0c 0x00 0x00 2D->3D 0x01 Side By Side 0x02 Top Bottom 0x03 Line By Line 0x04 Vertical Line 0x05...
Page 70
4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Sound_Select_ 0x01 Channel_Up 0x05 0x00 Channel_Down 0x01 Sound Sound Mode Standard 0x0c 0x00 0x00 0x00 Music 0x01 Movie 0x02 Clear Voice 0x03 Amplify 0x04 Equalizer Balance 0x01 0x00 (0~20) 100hz 0x01 (0~20) 300hz 0x02...
Page 71
4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value Sound TV Installation Type Stand 0x0c 0x00 0x00 Wallmount 0x01 Audio Delay Dealy Value (0~250) 0~250 0x0d 0x00 (0x00~0xFA) Key Generation *Refer for 0x0d 0x00 0x00 Table Show/Hide Control Show 0x0e 0x00 0x00 0x00 Hide...
Support Software Update Update Now After downloading the update file from the Samsung website and storing it on a USB device, connect the USB device to the TV to update. • To update using a USB flash drive, download the update package from Samsung.com to your computer. Then, save the update package in the USB device's top-level folder.