Samsung QN55Q75CNF Service Manual
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Samsung QN55Q75CNF Service Manual

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SERVICE
QLED TV
QN**Q75CNF
QLED TV
Project
: QNQ7CT
Chassis : QWA80
Model
: QN55Q75CNF
QN65Q75CNF
Manual
1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
Contents

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Table of Contents

Troubleshooting

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Summary of Contents for Samsung QN55Q75CNF

  • Page 1 QLED TV Project : QNQ7CT Chassis : QWA80 Model : QN55Q75CNF QN65Q75CNF SERVICE Manual QLED TV Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Wiring Diagram QN**Q75CNF...

  • Page 2: Table Of Contents

    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.
  • Page 3 4-6. One Connect ..........................4-17 4-6-1. OCB POWER ON SEQUENCE TEST ................4-17 4-6-2. OCB Self Power Supply Test ..................4-18 4-6-3. TV BACKLIGHT QUICK TEST ..................4-19 4-7. Bluetooth / WiFi Module ......................4-21 4-8. Factory Mode ..........................4-23 4-9. Replacing Main Board ......................4-29 4-10.
  • Page 4 This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2018 Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable All rights reserved. International and/or domestic law. Printed in Korea...

  • Page 5: Precautions

    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.

  • Page 6: Product Safety Notices

    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. Parts that have special safety characteristics are identified by on schematics and parts lists.

  • Page 7: Servicing Precautions

    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.

  • Page 8: Static Electricity 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.

  • Page 9: Installation Precautions

    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.

  • Page 10: Product Specifications

    2. Product specifications 2. Product Specifications 2-1. Product information Model QN**Q75CNF Front View * W : Width H : High D : Depth Detail View Color Front : SLATE BLACK / Stand : SLATE BLACK Body 48.2 x 27.7 x 3.5 inches (1225.5 x 704.8 x 88.8 mm) 55"...

  • Page 11: Product Specification

    Film Mode Natural Mode Support Audio Dolby Digital Plus DTS Codec Sound Output (RMS) Speaker Type 4.1CH Woofer Multiroom Link Blutooth Audio Smart Service Samsung SMART TV Smart Bixby US English Voice Interaction Spanish, French TV Plus Yes(US only, Channel)
  • Page 12 2. Product specifications Item QN55Q75CNFXZA Smart Service Web Browser SmartThings App Support SmartThings Universal Guide Yes (US Only) Convergence TV to Mobile - Mirroring Mobile to TV - Mirroring, DLNA 360 Video Player 360 Camera Support Easy Setup Bluetooth Low Energy WiFi Direct TV Sound to Mobile Sound Mirroring...
  • Page 13 2. Product specifications Item QN55Q75CNFXZA Additional Feature Ambient Mode Learn menu screen(US English)/ SeeColors/ Negative colors/ Grayscale/ Caption moving/ Voice Guide(US Accessibility English)/ Enlarge/ High Contrast/ Learn TV Remote(US English)/ Multi-output Audio Digital Clean View Auto Channel Search Auto Power Off Caption (Subtitle) Connect Share™...
  • Page 14 Audio Dolby Digital Plus DTS Codec Sound Output (RMS) Speaker Type 4.1CH Woofer Multiroom Link Blutooth Audio Smart Service Samsung SMART TV Smart Bixby US English Voice Interaction Spanish, French TV Plus Yes(US Only) Web Browser SmartThings App Support SmartThings...
  • Page 15 2. Product specifications Item QN65Q75CNFXZA Convergence TV to Mobile - Mirroring Mobile to TV - Mirroring, DLNA 360 Video Player 360 Camera Support Easy Setup Bluetooth Low Energy WiFi Direct TV Sound to Mobile Sound Mirroring Tuner/Broadcasting Digital Broadcasting ATSC/ClearQAM Analog Tuner Connectivity HDMI...
  • Page 16 2. Product specifications Item QN65Q75CNFXZA Additional Feature Learn menu screen(US English)/ SeeColors/ Negative colors/ Grayscale/ Caption moving/ Voice Guide(US Accessibility English)/ Enlarge/ High Contrast/ Learn TV Remote(US English)/ Multi-output Audio Digital Clean View Auto Channel Search Auto Power Off Caption (Subtitle) Connect Share™...

  • Page 17: Accessories

    The part code for some accessories may differ depending on your region. • The provided accessories may vary depending on the model. Product Code. No Product Code. No • Samsung Smart Remote BN59-01298H • Power Cord 3903-001117 • Batteries (AA x 2) 4301-000101 •...

  • Page 18: Viewing The Functions

    2. Product specifications 2-4. Viewing the Functions 2-4-1. 2018' Concept An intelligent way to enjoy the smart TV „ Get to your entertainment the faster, easier, and intelligent way. A personal assistant that has you covered, a remote to control, and a simple hub to control devices. Search less, and watch more. Enjoying TV has never been this easy. NOTE •...
  • Page 19 2. Product specifications One Remote Control „ Easily control connected devices and content with just One Remote Control. It also has an auto detection feature, which automatically connects and labels connected devices. Easy to find, easy to use. Just one remote control. NOTE •...
  • Page 20 2. Product specifications SmartThings „ SmartThings turns your TV into a hub for your smart home devices, from fridge to mobile. It gives you seamless interactions and lets you control and monitor your smart home the intelligent way. NOTE • SmartThings compatible devices may vary by region.

  • Page 21: Quick Guides

    Connect the Samsung Smart Remote to your TV to operate the TV. 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 the buttons simultaneously for 3 seconds or more.
  • Page 22 2. Product specifications Using Smart Hub „ Connect to Smart Hub for apps, games, movies, and more. Enjoy the multiple functions provided by Smart Hub simultaneously on a single screen. NOTE • The image on your TV may differ from the image above depending on your model and geographical area. When you press the button on your remote control, you can use the following functions and features.
  • Page 23 TV is turned off, the TV turns on in Ambient Mode. • If you use a remote control other than the Samsung TV remote control, there may be restrictions to entering Ambient Mode. Universal Guide Universal Guide is an app that allows you to search for and enjoy content such as TV shows, dramas, movies, sports broadcasts, and music being provided by other apps.
  • Page 24 2. Product specifications Using Bixby „ Speak into the microphone on your Samsung Smart Remote to control your TV. NOTE • This function may not be supported depending on the model or geographical area. • The supported language may differ depending on the geographical area.

  • Page 25: The Samsung Smart Remote

    2. Product specifications 2-4-3. The Samsung Smart Remote NOTE • The images, buttons, and functions of the Samsung Smart Remote may differ depending on the model. 2-16...
  • Page 26 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...

  • Page 27: Supported Resolutions For Uhd Input Signals

    2. Product specifications 2-4-4. Supported Resolutions for UHD Input Signals Check the supported resolution for UHD input signals. • Resolution: 3840 x 2160p, 4096 x 2160p NOTE An HDMI connection with HDMI UHD Color set to supports up to UHD 50P/60P 4:2:0 input signals, while an HDMI connection with HDMI UHD Color set to...

  • Page 28: Hdmi Black Level

    2. Product specifications 2-4-5. HDMI black level Settings General External Device Manager HDMI Black Level £ £ £ £ Use HDMI Black Level to adjust the black level to compensate for low black levels, low contrast, or dull colors generated by external devices connected to the TV via an HDMI cable.

  • Page 29: Supported Formats

    2. Product specifications 2-4-6. Supported Formats Supported external subtitles „ Name Format MPEG-4 Timed text .ttxt SAMI .smi SubRip .srt SubViewer .sub Micro DVD .sub or .txt SubStation Alpha .ssa Advanced SubStation Alpha .ass SMPTE-TT Text .xml Supported internal subtitles „...
  • Page 30 2. Product specifications Supported music formats and codecs „ File extension Format Codec Note MPEG1 Audio *.mp3 MPEG Layer 3 *.m4a *.mpa MPEG4 *.aac *.flac FLAC FLAC Supports up to 2 channels *.ogg Vorbis Supports up to 2 channels Supports up to 10 Pro 5.1 channels. *.wma WMA lossless audio is not supported.
  • Page 31 2. Product specifications Other Restrictions „ • Codecs may not function properly if there is a problem with the content. • Video content does not play or does not play correctly if there is an error in the content or container. •...

  • Page 32: Disassembly And Reassemble

    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 Open Jig and Cushion to remove the Rear Cover. • Open Jig Tool, Protection Cushion (curved models Only)
  • Page 33 3. Disassembly and Reassemble Description & Screws Picture Description Insert the Open Jig tool completely into bottom Jig Direction left corner Tab of the rear cover and following directions > > Open Jigs BN81-14946B Gently lift up the Rear Cover from the bottom Top Corner : 2 point (Snap Hook) corners to release all mounting clips as...
  • Page 34 3. Disassembly and Reassemble Description & Screws Picture Description Remove the ASSY NETWORK (BT/WIFI). ASSY NETWORK Cable • ASSY NETWORK Cable NETWORK (BT/WIFI) <Disassemble BT/WiFI> Remove the ASSY SPEAKER P-FRONT. ASSY SPEAKER P-FRONT Cable • ASSY SPEAKER P-FRONT Cable • : Assy SPK to Panel Hole 4 Points ASSY SPEAKER P-FRONT <Hole 4 Points>...
  • Page 35 3. Disassembly and Reassemble Description & Screws Picture Description LEAD CONNECTOR-POWER Cables Remove the Cables. • LEAD CONNECTOR-POWER (SMPS - MAIN) • FFC Cables FFC Cables • Remove USI-T cables ( ) and Function cable ) on TV board. • Remove the power cable ( ) on Power board.
  • Page 36 3. Disassembly and Reassemble Description & Screws Picture Description Remove the DC VSS-PD BOARD. NOTE Replacing SMPS board First Discharge Capacitors (Discharge Tool : BN81-16292A ) Remove AC Power to the One Connect Box. Remove One Connect Cable to the TV Main/ Slide to the right to release the board T-Con Board.
  • Page 37 3. Disassembly and Reassemble Description & Screws Picture Description Removing SMPS (* TVs with Added Insulation Notch) After removing power and performing Capacitor Discharge. Remove CNM803 wire connector Push and hold down BLU Connector Tab Push and hold down BLU Connector Tab to release to release its panel lock connection its panel lock connection ( Lift to Release the Lock Tab on Upper...
  • Page 38 3. Disassembly and Reassemble Description & Screws Picture Description Completed the disassembly. • 55" • 65" NOTE Reassembly procedures are in the reverse order of disassembly procedures.

  • Page 39: One Connect

    3. Disassembly and Reassemble 3-2. One Connect SYMPTOM : TV Power'S On with No video or Continuous Rebooting Power the TV "Off" Unplug One Connect Cable to the TV and OC. Power the TV "ON" If still problem ; Replace defective : One Connect Cable or One Connect Board or TV Main Board Disassembly...
  • Page 40 3. Disassembly and Reassemble Description & Screws Picture Description An LED light indicator on the tool will flash each time a charge is removed. IMPORTANT: Connect Discharge Tool Across leads of each large Capacitor to remove its charge. Remove CNW803 - 20 pin Power Connector on One Connect Power Supply. Then remove 5 screws at each marked screw location on the board.
  • Page 41 3. Disassembly and Reassemble Description & Screws Picture Description Remove the 2 screws on the plate Assembly then remove the assembly. Remove the 4 screws on the One Connect Board. Remove the One Connect Board. 3-10...

  • Page 42: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1. Power 4-1-1. TV POWER STANDBY • 55 / 65 inches FUSE CNM803 Main Connector (POWER) CNL801 LED Connector CNM803 (MAIN Connector) B-GND B-GND B350V B350V Vamp B13V Vamp B13V Vamp B13V A13V PS_ON Power_Low ANA_DIM OD_LEVEL OD_ON 1wire PWM BLU_ON CNL801 (LED Connector)
  • Page 43 4. Troubleshooting TV in Standby Standby LED Indicator NOTE • Status can be changed in user menu and may default off. Not Lit: One Connect Box is Powered • If OK OCB Cable to TV (Miss Connections or damaged cable) • If OK A13V CNM803 Pin 13 on TV SMPS • A13V is supplied from One Connect to SMPS & TV Board If A13V is missing Remove CNM803 Connector to SMPS Check A13V on Cable or at TV Board • If A13 is now OK Replace Defective SMPS • If A13 is still missing One Connect Operation / One Connect Cable If A13 was OK on SMPS TV Main Board supply voltages to Function Control • If missing replace TV Main Board Standby LED voltage (1.7Vdc on Function Connector) • If OK replace Function Assy • If missing replace TV Main Board. 4-2...

  • Page 44: Tv Power On Sequence

    4. Troubleshooting 4-1-2. TV POWER ON SEQUENCE • 55 / 65 inches CNM803 Main Connector (POWER) CNM803 (MAIN Connector) B-GND B-GND B350V B350V Vamp B13V Vamp B13V Vamp B13V A13V PS_ON Power_Low ANA_DIM OD_LEVEL OD_ON 25 1wire PWM 26 BLU_ON Power Backlight...
  • Page 45 4. Troubleshooting Power TV On A13V pin 17 (Supplied by One Connect Box) • If missing check One Connect Operation & Cables to the TV PS_ON pin 19 .2Vdc (when off) changes to 3.3Vdc (on) NOTE • Will stay On for short time when powered off. If PS_ON Error (won’t change or missing voltages) Check & perform “Function Control Test” Operation If PS_ON is OK B350 (from OCB) for approx 346Vdc at pins 5 & 6 while using important B-GND reference at pins 1 & 2 • If missing check One Connect Operation & Cables to the TV (“PS ON” activates B350V Supply in One Connect Box) If B350 & A13V are OK B13V Switched Supplies for 12.8Vdc at pins 12,14,16 Vamp (Audio amp supplies) for 18Vdc at pins 11,13,15 If no B13V or Vamp voltages Resistance on SMPS FUSE after first removing CNM803 • If fuse is open Replace SMPS If wrong B13V or Vamp Voltages: Replace SMPS TV Main Board (If defective can load down SMPS) Backlight ON BLU_ON 0V (when Off) to 5Vdc (on) at pin 26 • If no change replace TV Main Board or OC Box NOTE The Panel SMPS can be disconnected completely and the Panel will still have Standby Light and attempt Power On. This is because the 13A Vdc supply is from the OCB and connects directly to the TV Main Board.

  • Page 46: Additional Backlight Test

    4. Troubleshooting 4-1-3. Additional Backlight Test • 55 / 65 inches 55" : 92.5Vdc CNL801 65" : 115.5Vdc LED Connector <SMPS> If TV Powers On but BACKLIGHTS OFF BLU_ON 0V (when Off) to 5Vdc (on) at pin 26 CNM803 • If no change replace TV Main Board or OC Box • If BLU_ON is OK B350 Vdc Pins 5 & 6 with B-GND REF Pins 1,2 • If missing OCB Cable & One Connect Box: Perform “One Connect Stand Alone Test” & “Backlight Test” • If 305 Vdc is OK & BLU_ON is OK ; Problem is TV SMPS or Panel with next step “SMPS/Panel Operation Test”...
  • Page 47 4. Troubleshooting BACKLIGHT DIMMING PROBLEMS ON FULL SCREEN OR JUST ONE AREA • Go to Menu £ Picture £ Backlight and vary level (0 – 50) • If no backlight changes are observed problem is Main Board or SMPS Anode side (no stripe) of CH1 thru CH 6 Diodes for voltage change while changing backlight level. If no voltage changes Main Board is likely defective. • If voltage changes in all diodes except the one with area problem replace SMPS. Use: MUTE £ 4 £ 1 £ 9 £ EXIT to test Panel Backlight. 4-6...

  • Page 48: Diagnostic Methods - Flashing Symtom Codes

    4. Troubleshooting 4-1-4. Diagnostic Methods - Flashing Symtom Codes After TV is "COLD BOOTED" (AC Power Re-Cycled), Flashing symptom codes will operate and show the defect block with number of LED flash. Place a mirror or phone directly under Standby LED to observe flashing. Defect Type and Number of LED Flash „ Defect Mlock Detection Method Number of LED Flash LED off • WDC > Reboot > Flash Main Board 1 Time • Error > Flash • Error > Reboot > Flash Panel 2 Time • Error > Flash (After 10M) •...

  • Page 49: Function Control Operation/Test

    4. Troubleshooting 4-1-5. Function Control Operation/Test CN1501 (FUNCTION & IR) IR 3.3Vdc to 2.5Vdc To CN1501 (Effective DC) Main Board SENSOR_SCL_I2C 3.3Vdc A3.3V_PW (effective DC) SENSOR_SDA_I2C 3.3Vdc KEY_INPUT1 (effective DC) 1.8dc to 0V with command KEY_INPUT2 LED_STB_OUT LED Status / <FUNCTION> 1.8dc to 0V with command 1.7Vdc STBY Function Switch TV in Standby Check Status. NOTE Can be turned off in menu. LED is OFF (& LED should be on with menu setting) LED 1.7Vdc (pin 8) and VCC for 3.3Vdc (pin 3) •...

  • Page 50: Video

    4. Troubleshooting 4-2. Video 4-2-1. Troubleshooting Video Problems ONE CONNECT LIGHT „ [ONE CONNECT MINI] [Disconnect Banner] [Connect Cable] Video Operation If No Video Check connection status of One Connect Cable Reconnect One Connect Cable both side (TV and OCL) If NG: Replace One Connect Box / Cable (defective) Main Section...

  • Page 51: Tv Main / T-Con

    4. Troubleshooting 4-2-2. TV MAIN / T-CON • Main Section PRE FRC Section POST FRC Section T-CON Section £ PANEL £ £ £ Main Section „ Customer Picture Test 1 Mute > 1 > 4 > 7 > Mute Video Operation Generated on Main Section.
  • Page 52 4. Troubleshooting POST FRC Section „ Customer Picture Test 3 Video Operation Generated at Post FRC in TV Main Board. • If OK: Check/Replace defective TV Main Board • If Noisy: Mute £ 3 £ 6 £ 9 £ Mute T-CON Section „ Mute > 3 > 6 > 9 > Mute [May not be available for Larger models over 70 inches.] Video Operation Generated at T-CON Section TV Main/T-Con.
  • Page 53 4. Troubleshooting PANEL „ • Check Panel If Noisy Video: Soc T-CON Pattern in Factory Mode • Use type of Noise observed (Bars, single lines, video distortion, etc to help.) • If noise is only on one half of screen check / swap panel USI-T cables. • Verify Defective Panel Cables, TV Main/T-CON Board or Panel. If No Video & Back Lights are OK (on): If sound is OK check Panel 13Vdc supplies to Panel If No sound replace TV Main Board 4-12...

  • Page 54: Audio

    4. Troubleshooting 4-3. Audio • Source (One Connect Mini) One Connect / TV Main Board Speakers £ £ Source (One Connect Mini) „ • No TV Sound Menu £ Audio £ Speaker Settings set to TV Speaker • Noisy / Distorted TV Audio Customer Menu £ Support £ Sound Test • If Sound Test FAILS : (Missing / Noisy Audio) Speakers (compare resistance/quality) Main Board /Connector/Cable With external Audio Generator (device or App)

  • Page 55: Network

    4. Troubleshooting 4-4. Network <TV> <Router> <Internet> TV to Router " Failure" „ Check Network Status 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 & voltages from Main Board. • If operating voltages are OK but signal missing. Replace WiFi Module (WiFi/Bluetooth Module).

  • Page 56: Smart Hub

    4. Troubleshooting 4-5. Smart Hub • Network Test/Gateway Test DNS Test ISP Blocking Samsung Server Test Samsung Apps Test £ £ £ £ <TV> <Router> <Internet> <Samsung Server> Go to Menu Support Self Diagnosis Smart Hub Connection Test £ £ £ Network / Gateway „...
  • Page 57 4. Troubleshooting For Netflix Operation/Connection Issues: Check Certificate & Netflix ESN Status in Factory Mode. • If Certificate and ESN exists, " CO", "NfO", change the DNS to 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. Reset TV Clock and check for correct Time & Date. Netflix relies on correct settings. Reset Smart Hub. / Reset Apps In Factory Mode. For Streaming Issues: • Go to TV Web Browser / Go to speedof.me / testmy.net Check Speed for at least 5 Mbps(HD streaming) / 25 Mbps (4K Streaming). Check Latency for less than 50ms. 4-16...

  • Page 58: One Connect

    4. Troubleshooting 4-6. One Connect 4-6-1. OCB POWER ON SEQUENCE TEST CNM803 Main Connector (POWER) Connect OCB to TV & Place in Power Standby A13V for 12.8Vdc on pins 7,8,9,10 Press TV “Power On” by Remote Control or TV Function Assy PS_ON pin 3 .2Vdc (when off) changes to 3.3Vdc (on) NOTE Will stay On for short time when powered off. If PS_ON Error (won’t change or missing voltages) OCB Cable Connection to the TV. • Should hear OCB relay activate with cable connection. If PS_ON is OK B350 for approx 346Vdc at pins 15 & 16 is activated. while using important B-GND reference at pins 19 & 20 • If missing perform “OCB Self Power Supply Test” 4-17...

  • Page 59: Ocb Self Power Supply Test

    4. Troubleshooting 4-6-2. OCB Self Power Supply Test Remove AC Power to the OCB & Remove Cover (follow Disassembly Procedure) Connect Discharge Tool across leads of each large Capacitors to remove its charge. Remove Connector CNM803 (to activate OCB Power Supply when AC line is applied) Connect TV Backlight Test Cable. A13V for 12.8Vdc on pins 7,8,9,10 at on test cable at OCB connector • IMPORTANT: For Safety NEVER Test CNM803 exposed connector pins without test cable connected. B350 for approx 346Vdc at pins 15 & 16 is activated. while using important B-GND reference at pins 19 & 20 • If missing or errors, replace OCB Power Supply IF TEST CABLE IS NOT AVAILABLE Perform steps 1 through 3 A13V for 12.8Vdc at board locations Labeled A11.8V and AGND B350 for approx 346Vdc at board test wire locations Labeled B332V and BGND 4-18...

  • Page 60: Tv Backlight Quick Test

    4. Troubleshooting 4-6-3. TV BACKLIGHT QUICK TEST Backlight Test Cable CNM803 FAIL_ 1 IR_SMPS 2 COUNT POWER_ PS_ON A13V A13V A13V A13V A13V B350V B350V B350V B_GND B_GND ONE CONNECT BOX: Remove AC Power to the OCB & Remove Cover (follow Disassembly Procedure) Connect Discharge Tool across leads of each large Capacitors to remove its charge. Remove Connector CNM803 Connect Backlight Test Cable to Supply 350Vdc & 13Vdc directly to the TV Panel 4-19...
  • Page 61 4. Troubleshooting TV SMPS: Remove TV Back Cover (Follow Repair Preparation Procedure) Connect Discharge Tool across leads of each large Capacitors to remove its charge. Remove Connector CNM803. Connect TV side Backlight Test Cable. Apply One Connect AC Power and verify Backlight On. 4-20...

  • Page 62: Bluetooth / Wifi Module

    4. Troubleshooting 4-7. Bluetooth / WiFi Module Pin 1 Pin 16 PIN1 Pin Description „ Pins Name Interface Description Standby Power ON BT_RESET Digital BT Block Reset 3.3 Vdc 3.3 Vdc BT_POWER DET Digital BT power detect 3.3 Vdc BT_WAKE_UP Digital BT host wake up 3.3 Vdc 3.3 Vdc Analog Ground BT_USB DM Digital BT USB interface negative 0.7V eff.dc BT Sig (DM) 4V p-p BT_USB DP Digital BT USB interface positive...
  • Page 63 4. Troubleshooting About This TV < - Wired MAC Address : xx:xx:xx:xx:xx:xx Missing or Error : Replace Main Board. - Wireless MAC Address : xx:xx:xx:xx:xx:xx - Bluetooth Address : xx:xx:xx:xx:xx:xx Go to Menu Support About This TV £ £ Wired MAC Address (missing or error - replace Main Board) Wireless MAC Address Bluetooth Address • Bluetooth Address or Wireless MAC Address are missing or errors exist. CHECKBT & Wi-Fi Connector Voltages. • If Voltages are OK but no BT or Wi-Fi Signals voltage(s), replace defective Module. 4-22...

  • Page 64: Factory Mode

    4. Troubleshooting 4-8. Factory Mode Setting TV into Factory Mode „ Factory Remote Power TV ON. Select TV Source. Info → Factory. Use MENU for return. AA81-00243A Samsung IR Remote TV Power Standby. Press as follows. • Remote Button NTSC MUTE POWER INFO MENU MUTE POWER Important Items „ • Option (must set Option Bytes when replacing Main Board.) •...
  • Page 65 4. Troubleshooting First Screen Appearing in Factory Mode • Ex. Sample Model 4-24...
  • Page 66 4. Troubleshooting Slide Details • Sample Model : QN55Q7FNAFXZA Testing Items Micom Version Home Updates Exit T-KTM2AKUC-XXXX.XX Sub Micom T-KTM2AKUC-XXXX Option T-KTM2OCJP-XXXX Control Tizen TIZEN-X.X.-MAIN201*-KANT-M2-RELEASE_XXXXXXXX.X (Debug) Debug BT Version BT Version : BLUETOOTH-VER-XXXX E-Manual E-Manual:---- ADC/WB Blaster Version Blaster Version : Not support E-Pop Version E-POP Version : XX.XX.X Advanced EDID SUCCESS HDCP SUCCESS CALIB : AV/COMP/PC/HDMI/ Option : --A1MU0QK,US,8000,NONE FRC-[KANT-M2 xxx][120Hz][HW:0x0F] DIMMING-[EDGE-xx1][xx] TCON Version:[Kant-M2] FW[xxxx] DATA[xxxx] TCON Version:[KANT-N2] FW[xxxx] DATA[xxxx] Model : QN55Q7FAN Wired MAC Success Wired MAC SUCCESS...
  • Page 67 4. Troubleshooting £ Test Patterns „ Main Board Scaler Pattern / US Post Pattern FRC Pre Test Pattern FRC Post Test Pattern T-CON SoC TCON Test Pattern [Factory Mode] Verify " Scaler Pattern" and "US Post Pattern". Scaler Pattern Verify " FRC Pre Test Pattern". US Post Pattern Verify "...
  • Page 68 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. 4-27...
  • Page 69 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 Select EDID WRITE ALL. (→ Enter Key) EDID WRITE ALL Success Wait to Success. (→ Right Arrow Key) EDID WRITE ALL Wait...

  • Page 70: Replacing Main Board

    4. Troubleshooting 4-9. Replacing Main Board When replacing Main Board, certain values needs to be manually input in Factory menu to complete the replacement. Steps to Replace Main Board „ Enter Factory Menu (Use Factory Remote only). • Power TV on : Select TV Source £ Info/Factory £ Option Change Each value according to the TV Model. • Type , Local Set, SW Model, BOM Model must be set to correct value. • Sample Model : QN65Q75CNFXZA Type • Check Panel label (located in the back chassis of panel) and choose same Type code from the list. Home Updates Exit CY-XN065FLAV3V/H Factory Reset Type 65L1MU8XN **XX...
  • Page 71 4. Troubleshooting SW Model • Check Label Rating of the TV(located on the Rear Cover). SW Model is digits after "/" in Version No. Choose same SW Model code from the list. Home Updates Exit Factory Reset Type 65L1MU8XN Local Set SW Model QNQ75C BOM Model 75CN TUNER Ch Table QNQ65F QNQ6F MRT Option QNQ6F QNQ75C Production Option UNU8500 UNU8000 Engineer Option QNQ8F QNQ9F...

  • Page 72: Factory Mode Adjustments

    4. Troubleshooting 4-10. Factory Mode Adjustments 4-10-1. Entering Factory Mode To enter [ Service Mode] press the remote-control keys in this sequence : With Consumer Remote (IR Remote) Remote Button : NTSC POWER OFF MUTE POWER ON POWER OFF INFO MENU MUTE POWER ON With Factory Remote INFO FACTORY The following screen appears. Please refer to " Detail Factory Option page" for details.

  • Page 73: Detail Factory Option

    4. Troubleshooting 4-10-2. 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". QN55Q75CNFXZA „ • PANEL / SMPS / MAIN Information Multi BOM AA01 PANEL SMPS MAIN Vendor Vendor ASSY ASSY CHASSIS PCB MAIN Code Spec Type Code Spec • Factory Option Local Set BOM Model Front Color S/W Model...
  • Page 74 4. Troubleshooting QN65Q75CNFXZA „ • PANEL / SMPS / MAIN Information Multi BOM AA01 PANEL SMPS MAIN Vendor Vendor HANSOE ASSY ASSY CHASSIS PCB MAIN Code Spec Type Code Spec BN95-04904B CY-XN065FLAV3V/H 65L1MU8XN BN44-00940A L65E7NQ_NHS BN91-19753A BN94-12832A • Factory Option Local Set BOM Model Front Color S/W Model...

  • Page 75: Factory Data

    4. Troubleshooting 4-10-3. Factory Data Option „ Factory Menu Name Data Range Factory Reset Type 55" 55L1MU8XN 65" 65L1MU8XN Local set SW Model QNQ75C BOM Model 75CN TUNER NTSC, ATSC Ch Table NONE MRT Option Engineer Option Control „ Factory Menu Name Data Range EDID...
  • Page 76 4. Troubleshooting Factory Menu Name Data Range LMF LEAVE THRESHOLD LMF TRIM THRESHOLD LMF TERM THRESHOLD FAnet Thread CI CPLD Version ACM_MC UNIQUE TRIPLET T-CON Device KANT-M2 SPI Protection FKP Server Type Default Preloading Support Multitasking Support Browser preloading Support FULL EXT IR Boot Support APP BOOTING SUPPORT Cloudscan Always Upload STB Power Sync Support OOM Panic Burst Interval OOM Panic Burst Number Power off interval Reset None APP Boot Support after Reset Long press Power off Reset Perf Mode Inhouse App upgrader Hotel Option Hospitality Mode Power On Menu OSD Operation Music Mode External Source Eco Solution...
  • Page 77 4. Troubleshooting Factory Menu Name Data Range 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) Carrier_Mute *If the noise comes from weakness- electromagnetic field, TV will be set Mute automatically (Only default on in North America) Pilot Level High Thld 0x70h * The High threshold value of stereo signal(If Pilot level is greather than High threshold value, recognize Stereo signal) Pilot Level Low 0x20h * The Low threshold value of stereo signal(If Pilot level is less than Low threshold value, recognize Mono signal) Amp Volume 0xc4h Amp Scale 0x3fh Amp EQ Check Sum 0x00007481 Subwoofer Support Woofer Type...
  • Page 78 4. Troubleshooting Factory Menu Name Data Range TP Scale 0x35h TP EQ CheckSum NONE Debug „ Factory Menu Name Data Range Spread Spectrum MAIN DDR SSC ON OFF MAIN DDR SSC Value MAIN Vx1 SSC ON/OFF MAIN Vx1 SSC Value TCON-B DDR SSC ON/OFF TCON-B DDR SSC Period TCON-B DDR SSC Modulation MAIN USIT SSC ON/OFF BYPASS MAIN USIT SSC MF MAIN USIT SSC MR OCL Serdes SSC ON OFF OCL Serdes SSC Value TCON-B USIT SSC ON/OFF TCON-B USIT SSC Period TCON-B USIT SSC Modulation RF Mute Time 600ms Tuner Margin European specifications FRC FDISPLAY ON/OFF PC Mode ON/OFF...
  • Page 79 4. Troubleshooting Factory Menu Name Data Range Panel Revision Panel Menu Week **** Panel S/N 1 ******** Panel S/N 2 Panel S/N 3 [Invalid UTF-8] Panel S/N 4 [Invalid UTF-8] MPEG Margin H.264 Margin Voice Debug Power Management Cert Option Waiting RM_BIST_DTV RM_BIST_ATV RM_BIST_CABLE Stress Mode Log Analyzer Error Popup On/Off DeadLock KILL CES Option CES Convergence Option CES ATSC 3_0 CES OOBE MVPD SUPPORT...
  • Page 80 4. Troubleshooting Factory Menu Name Data Range Read Eco Sensor Data No Signal Power OFF Default HDMI1 Booting Run EW „ Factory Menu Name Data Range Self Test(for HW) * the Output of test pattern from each IC Info Reset Apps Reset SVC Reset SPI Flash Reset Data Sync Reset Factory Data Reset OPTION_HDMI HOT PLUG DURATION 600ms HDMI FLT CNT SIG HDMI FLT CNT LOS HDMI MUTE TIME HDMI NFST UNMUTE TIME...
  • Page 81 4. Troubleshooting Factory Menu Name Data Range FRC OSD Pre Pattern FRC OSD Post Pattern FRC2 Pre Pattern FRC2 Post Pattern SOC TCON2 Pattern SOC TCON2 Pattern Level SOC TCON3 Pattern SOC TCON3 Pattern Level Upgrade T-CON DATA UPGRADE T-CON FW UPGRADE T-CON CheckSum T-CON2 DATA UPGRADE T-CON2 FW UPGRADE T-CON2 CheckSum PANEL EEPROM UPGRADE PANEL FLASH UPGRADE Logic Usb D/L SUBMICOM UPGRADE * Upgrade Sub-Micom Program SUBMICOM JP USB UPGRADE BT UPGRADE BT FREEPAIRING Function Upgrade FRC3D FW UPGRADE FRC3D SRP UPGRADE FRC3D LD UPGRADE FRC2 3D FW UPGRADE Camera Upgade * Upgarde Camera module(There is upgrade program in Main-Image) Mic Upgrade * Upgarde MIC in Camera module(There is upgrade program in Main-Image) Jump UPGRADE IR Blaster Upgrade Pic Data USB Update...
  • Page 82 4. Troubleshooting Factory Menu Name Data Range Delete S/N IPERF Stopped Expert CAL Data Backup … CAL Data Restore MICOM POWER OFF NTV CU FW VER ATV IF AGC SPEED Upgrade UHD OSD Test Main USB Path JackP USB Path Apps Update Picture Direct Source Banner Hide Auto Detection Group V APP KantS Cutoff PEQ SVC Panel ORIGINAL Serial number Writing S/N ADC/WB „ Factory Menu Name Data Range AV Calibaration Comp Calibration PC Calibration HDMI Calibration ADC Result 1st_Y_GH...
  • Page 83 4. Troubleshooting Factory Menu Name Data Range 2nd_R_L 128 2nd_G_L 128 2nd_B_L 128 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 R2_Gain G2_Gain B2_Gain R3_Gain G3_Gain B3_Gain R4_Gain G4_Gain...
  • Page 84 4. Troubleshooting Factory Menu Name Data Range 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 SPI G-Gain SPI B-Gain SPI N Rgain SPI N Bgain SPI N Roffset SPI N Boffset SPI W2 Rgain SPI W2 Bgain SPI W2 Roffset SPI W2 Boffset SPI MGA WB Data to SPI Advanced...

  • Page 85: Av Control Tabe

    4. Troubleshooting 4-11. 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 0x00...
  • Page 86 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 0x00...
  • Page 87 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 Color Blue Value Color Space Custom 0x1c 0x00 Reset LED Motion Plus 0x0a 0x07 0x00 On(Normal) 0x01 Cinema 0x02...
  • Page 88 4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Film Mode Auto2 0x02 Cinema Smooth 0x03 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 0x01 HDMI1 UHD Color 0x04 0x00 Mode 0x01 HDMI2 UHD Color 0x05...
  • Page 89 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 Checker BD 0x06 Frame Sequence 0x07 3D → 2D 0x01...
  • Page 90 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 (0~20) 1khz...
  • Page 91 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 0x01 Power (On/Off) 0xf0 0x00...

  • Page 92: Rs-232C

    4. Troubleshooting 4-12. RS-232C • RS232C Control P ort : COM#(Serial) B it rate : 9600 D ata Bit : 8 bit P arity : None S top Bits : 1 F low Control : None • Description of RS232C Pin# Name Full Name Pin# Name Full Name Pin# Name Full Name Carrier Detect Data Terminal Ready Request To Send Received Data Signal Ground Clear To Send Transmitted Data Data Set Ready Ring Indicator 4-51...

  • Page 93: Dimensions

    4. Troubleshooting 4-13. Dimensions Port panel detail / Rear view „ (Unit: inches) Model name QN55Q75CNF 20.2 11.8 QN65Q75CNF 20.5 11.8 • The displayed image may differ from your TV, depending on the model. 4-52...

  • Page 94: Updating The Tv's Software

    Software Update £ Update Now • Updating from the Internet requires an active Internet connection. Updating through a USB device „ • £ Settings £ 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. Otherwise, the TV will not be able to locate the update package. 4-14-2. Updating the TV automatically • £ Settings £ Support £ Software Update £ Auto Update If the TV is connected to the Internet, you can have the TV update its software automatically while you are watching the TV. When the background update is completed, it is applied the next time the TV is turned on.

  • Page 95: Wiring Diagram

    5. Wiring Diagram 5. Wiring Diagram 5-1. Wiring Diagram • 55 / 65 inches • 55 inches...
  • Page 96 5. Wiring Diagram • 65 inches...
  • Page 97 5. Wiring Diagram Cables „ • 55 / 65 inches Part Name & Connection Code No. 200mm 55" BN39-02403B LEAD CONNECTOR-POWER SMPS - MAIN 250mm 65" BN39-02403A 55" BN39-02409A LEAD CONNECTOR-POWER 120mm OC - OC SMPS 65" BN39-02409A 55" BN96-46132A FFC CABLE Main - Source 65"...

  • Page 98: Connector

    5. Wiring Diagram 5-2. Connector 5-2-1. Main Board • 55 / 65 inches CN201 CN1403 (POWER) (BT/WIFI) CN200 ACN01_B (OneConnect) (SPEAKER) CN1501 (Function/IR) CN1300 CN1301_UT (USIT) (USIT) Main Board Pin Map „ CN201 (POWER) CN200 (ONE CONNECT) 1-Wire PWM (5M) BLU_ON SERDES_RX_L1- OD_ON...
  • Page 99 5. Wiring Diagram CN1301_UT (USI-T) FB_TRDY_2 ST_GOA TX_CH1_A2+_USIT TX_CH10_B+_USIT LC1_VGP1_GOA AVDD_17V_PW TX_CH1_A2-_USIT TX_CH10_B-_USIT STVP1_GOA AVDD_17V_PW CKVB4_GOA AVDD_17V_PW TX_CH0_B2+_USIT TX_CH11_A+_USIT CKVB3_GOA AVDD_17V_PW TX_CH0_B2-_USIT TX_CH11_A-_USIT CKVB2_GOA UH_CELL CKVB1_GOA UL_CELL TX_CH0_A2+_USIT TX_CH11_B+_USIT CKV4_GOA HAVDD_8.5V_PW TX_CH0_A2-_USIT TX_CH11_B-_USIT CKV3_GOA LH_CELL CKV2_GOA LL_CELL TX_CH8_A+_USIT CKV1_GOA VCCB_1.8V_PW TX_CH8_A-_USIT VGHD_30V_PW VCCA_1.9V_PW...
  • Page 100 5. Wiring Diagram CN1300 (USI-T) DEMURA_SSPHOLD_ FB_TRDY_1 DEMURA_SSPWP_SPI TX_CH3_A1+_VX1 TX_CH7_A1+_VX1 PANEL_3.3V_PW 27 DEMURA_SSPRXD_SPI 51 TX_CH3_A1-_VX1 TX_CH7_A1-_VX1 PANEL_3.3V_PW 28 DEMURA_SSPTXD_SPI 52 FB_VCOM1_2_CELL 29 DEMURA_SSPFRM_SPI 53 TX_CH3_B1+_VX1 TX_CH7_B1+_VX1 VCOM1_CELL SFC2 TX_CH3_B1-_VX1 TX_CH7_B1-_VX1 VCOM2_CELL DGND VCOM3_CELL TX_CH0_A1+_VX1 TX_CH4_A1+_VX1 SFC1 VSS_OUT1_CELL TX_CH0_A1-_VX1 TX_CH4_A1-_VX1 DGND VOFF_-11V_PW PI_DSF_MON VGHD_30V_PW...
  • Page 101 5. Wiring Diagram ACN01_B (SPEAKER) TWT_R+ TWT_R- MID_R+ MID_R- WF_R+ WF_R- TWT_L+ TWT_L- MID_L+ MID_L- WF_L+ WF_L- CN1403 (BT/WIFI) BT_NRESET BT_POWER_DET BT_WAKE D-_USB_BT D+_USB_BT BT_WELCOME WIFI_PHY_ON D+_USB_WIFI D-_USB_WIFI A5V_PW WIFI_WOW WIFI_NRESET...

  • Page 102: One Connect Board

    5. Wiring Diagram 5-2-2. One Connect Board CN501 (USB1) CN201_NQ9S CN502 (USB2) CN500 (USB3) CN603_RS (EX-LINK) OP700 CN602_LAN CN801_H1 CN800_H2 CN802_H3 CN900_H4 CN301 (OPTICAL) (LAN) (HDMI) (HDMI) (HDMI) (HDMI) (SERDES) One connect Board Pin Map „ CN201_NQ9S CN900_H4 (HDMI) B350V_GND_TP B350V_GND HDMI4_RX2+_HDMI HDMI4_RX2-_HDMI...
  • Page 103 5. Wiring Diagram CN800_H2 (HDMI) CN500 (USB3) HDMI2_RX2+_HDMI USB3_VCC_5V_PW JACK1_D-_USB HDMI2_RX2-_HDMI HDMI2_RX1+_HDMI JACK1_D+_USB HDMI2_RX1-_HDMI CN502 (USB2) HDMI2_RX0+_HDMI USB2_VCC_5V_PW JACK1_D-_USB HDMI2_RX0-_HDMI HDMI2_RXC+_HDMI JACK1_D+_USB HDMI2_RXC-_HDMI CN501 (USB1) USB1_VCC_5V_PW JACK1_D-_USB HDMI2_SCL_DDC HDMI2_SDA_DDC JACK1_D+_USB HDMI2_CABLE_DET HDMI2_5V_PW HDMI2_HPD CN801_H1 (HDMI) HDMI1_RX2+_HDMI HDMI1_RX2-_HDMI HDMI1_RX1+_HDMI HDMI1_RX1-_HDMI HDMI1_RX0+_HDMI HDMI1_RX0-_HDMI HDMI1_RXC+_HDMI HDMI1_RXC-_HDMI...

  • Page 104: Smps Board

    5. Wiring Diagram 5-2-3. SMPS Board • 55 / 65 inches CNM803 To Main Board CNL801 SMPS Board Pin Map „ CNM803 CNL801 B-GND B-GND B350V B350V Vamp B13V Vamp B13V Vamp B13V A13V PS_ON Power_Low ANA_DIM OD_LEVEL OD_ON 1wire PWM BLU_ON 5-10...
  • Page 105 Part No Parts Description Location Status Quantity Valid From DIODE- 0401-001056 SWITCHING;MMBD4148SE,100V,200MA,SO DS01A 1 PC DIODE- 0403-001785 ZENER;NZH5V1B,4.94~5.2V,500MW,SOD- 2 PC 0404-001404 DIODE-SCHOTTKY;BAT721C,40V,200MA,SOT-23, 2 PC DIODE- 0404-001640 SCHOTTKY;SS1060HEWS,60V,1000MA,SOD 2 PC 0404-001881 DIODE-SCHOTTKY;SS3040-HE,40V,3000MA,SOD- 2 PC DIODE-SCHOTTKY;MBRA340F- 0404-001953 HAF,40V,3000MA,S 3 PC 0404-001976 DIODE-SCHOTTKY;SV540,40V,5000MA,TO-277,T 1 PC 0406-001200 DIODE-TVS...
  • Page 106 IC-DDR4 SDRAM;MT53B256M32D1,LPDDR4- 1105-002896 SDRAM 1 PC IC-DDR4 SDRAM;MT53B384M32D2NP-062 1105-002933 WT:B,L 1 PC 1107-002226 IC-NOR FLASH;W25Q40CLSSIP,4MBIT,SOIC,8P, 1 PC IC-EMMC;KLM8G1GEME- 1107-002515 B041,8GBYTE,64GBX2,BG 1 PC 1201-000166 IC-OP AMP;LM358,SOP,ST,8P,150MIL,DUAL,10 1 PC 1201-004170 IC-AUDIO AMP;TAS880021A,TSSOP,48P,12.5X6 3 PC 1203-004363 IC-VOL. DETECTOR;SOT-23,3Z30,2.9X1.6MM,P 2 PC 1203-008392 IC-VOL. DETECTOR;S-6414AAB-L800X,TSOT-23 2 PC 1203-008777 IC-DC/DC CONVERTER;TPS563201,SOT-23,6,1.
  • Page 107 2007-000137 R-CHIP 8 PC 2007-000138 R-CHIP 11 PC 2007-000140 R-CHIP 1 PC 2007-000143 R-CHIP 12 PC 2007-000148 R-CHIP 24 PC 2007-000170 R-CHIP 1 PC 2007-000171 R-CHIP 39 PC 2007-000172 R-CHIP 3 PC 2007-000173 R-CHIP 2 PC 2007-000475 R-CHIP;1MOHM,1%,1/10W,TP,1608 1 PC 2007-000501 R-CHIP;2.2OHM,1%,1/10W,TP,1608 1 PC...
  • Page 108 2007-007317 R-CHIP 1 PC 2007-007318 R-CHIP 22 PC 2007-007517 R-CHIP 5 PC 2007-007520 R-CHIP;20OHM,1%,1/10W,TP,1608 14 PC 2007-007528 R-CHIP 3 PC 2007-007588 R-CHIP 2 PC 2007-007643 R-CHIP 1 PC 2007-007733 R-CHIP;51OHM,1%,1/10W,TP,1608 3 PC 2007-007736 R-CHIP;510KOHM,1%,1/10W,TP,1608 1 PC 2007-007766 R-CHIP 24 PC 2007-007767 R-CHIP;200OHM,1%,1/16W,TP,1005 5 PC...
  • Page 109 2203-000425 C-CER,CHIP AD480 8 PC 2203-000438 C-CER,CHIP AD480 7 PC 2203-000489 C-CER,CHIP AD480 4 PC 2203-000585 C-CER,CHIP AD480 1 PC 2203-000627 C-CER,CHIP;0.022NF,5%,50V,C0G,TP,1005 AD480 2 PC 2203-000940 C-CER,CHIP AD480 4 PC 2203-001428 C-CER,CHIP;470NF,10%,50V,X7R,TP,2012 AD480 1 PC 2203-002285 C-CER,CHIP;10NF,10%,50V,X7R,TP,1005 AD480 20 PC 2203-002525 C-CER,CHIP AD480...
  • Page 110 INDUCTOR- 2703-004630 SMD;2.2UH,20%,7070,T5,0.0025OHM 1 PC INDUCTOR- 2703-004724 SMD;8.2UH,20%,5050,T4,0.072OHM, 12 PC INDUCTOR- 2703-005191 SMD;1.5UH,20%,6060,T4.5,0.02OHM 6 PC 2703-005193 INDUCTOR-SMD;2.2UH,20%,6060,T4.5,0.024OH 2 PC INDUCTOR- 2703-005376 SMD;10UH,20%,10.7X10MM,T3.8,0.0 1 PC 2801-000102 CRYSTAL-SMD;12MHZ,30PPM,12PF,100OHM,TP 4 PC 2801-004021 CRYSTAL-SMD;24.576MHZ,20PPM,28-AAN,12PF, 1 PC 3301-001901 BEAD-SMD 11 PC 3301-002039 BEAD-SMD;26OHM,1608,TP 68 PC 3601-001374 FUSE-SURFACE MOUNT 9 PC...
  • Page 111 6003-001875 SCREW-TAPTYPE;BH,+,S,M4,L12,ZPC(BLK),SWR SCREW 3 PC 6902-000683 BAG ZIPPER 1 PC BN13-00070A IC ASIC;UEI1702,UEI1702,20P,3.3V,-20TO+7 1 PC LEAD CONNECTOR-SUB BN39-02211H ASSY;82NU8000,UL21451 1 PC BN39-02223D LEAD CONNECTOR-SUB ASSY;32K5300,UL21016, 1 PC BN39-02395A ONECONNECT CABLE;Q9000,32P/30P,L5000,UL2 1 PC LEAD CONNECTOR- BN39-02403A POWER;65/75Q7F/Q8C,UL2151 1 PC LEAD CONNECTOR- BN39-02409A POWER;Q7/8/9,UL21516,20P, 1 PC...
  • Page 112 BN96-46739A ASSY HOLDER P-OC CABLE;65QNQ8CB,PC,V-2,W 1 PC...
  • Page 113 Exploded Views and Parts List 1. Exploded View & Part List Exploded View Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 114 COVER-STAND NECK FRONT; 65QNQ8CB,ABS,HB,B BN96-46124A ASSY STAND P-BRACKET NECK; 65QNQ8CB,ALDC, BN63-16341C COVER-STAND NECK REAR; 65QNQ9FA,ABS,T2.5, BN96-46021B ASSY STAND P-BRACKET BOTTOM; 65QNQ8CB,ALD BN63-16349C COVER-STAND TOP FRONT; 65QNQ8CB,STS304,BL BN63-16338E COVER-STAND TOP; 65QNQ8CB,ABS,T2.5,HB,BK0 BN61-15722A BRACKET-STAND BOTTOM; 65QNQ8CB,ALDC,NATUR Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 115 Exploded Views and Parts List 2. ONE CONNECT Exploded View & Part List ONE CONNECT Exploded View Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 116 BN91-19835B ASSY ONE CONNECT; QLED_QNQ8CB BN96-45940A ASSY COVER P-OC TOP; 65QNQ9FA,PC,V-2,TP00 BN44-00934A DC VSS-POWER BOARD; P270NQ_NPN,AC/DC,270W BN63-17541A INSULATOR-SMPS; 65QNQ9FA,PC,BLACK,L119.8, BN63-17538A SHIELD-OC TOP; 65QNQ9FA,EGI-SECC,T0.8 BN94-12954A ASSY PCB OC; QNQ9FA BN96-45941A ASSY COVER P-OC BOTTOM; 65QNQ9FA,PC+ABS+G Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 117 BN63-16338E COVER-STAND TOP;65QNQ8CB,ABS,T2.5,HB,BK0 BN69-15987B BAG ACCESSORY;LDPE,T0.05,L450,W40,Transp BN96-36261A ASSY ACCESSORY-SCREW;JU7000 75",6003-001 ...4 SCREW 6003-001334 SCREW-TAPTYPE;BH,+,S,M4,L14,ZPC(BLK),SWR ...4 6902-002476 BAG SCREW;LDPE,T0.05*,W70,L90,TRP,RECYCL BN96-46125B ASSY STAND P-BRACKET BOTTOM;65QNQ8CB,ALD ...4 SCREW 6003-001875 SCREW-TAPTYPE;BH,+,S,M4,L12,ZPC(BLK),SWR ...4 BN61-04692A ADHESIVE-AA;94PRIMER,CLEAR,C043 ...4 BN61-06871A BOSS-BOND;UC9000,Dimethacrylate ester,Re Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 118 0505-003397 FET-SILICON;2N7002K,N,60V,0.38A,1.19ohm, ...4 1003-002949 IC-LEVEL DRIVER;VLS2SM,QFN,40P,6x6x0.9mm ...4 1103-001564 IC-EEPROM;S-24C512CI-J800,512Kbit,64Kx8, ...4 1105-002896 IC-DDR4 SDRAM;MT53B256M32D1,LPDDR4-SDRAM ...4 1105-002933 IC-DDR4 SDRAM;MT53B384M32D2NP-062 WT:B,L ...4 1201-000166 IC-OP AMP;LM358,SOP,ST,8P,150MIL,DUAL,10 ...4 1201-004170 IC-AUDIO AMP;TAS880021A,TSSOP,48P,12.5x6 ...4 1203-004363 IC-VOL. DETECTOR;SOT-23,3Z30,2.9x1.6mm,P ...4 1203-008139 IC-DC/DC CONVERTER;TPS56C20PWPR,HTSSOP,2 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 119 R-CHIP;33Kohm,1%,1/10W,TP,1608 ...4 2007-000816 R-CHIP;390Kohm,1%,1/10W,TP,1608 ...4 2007-000932 R-CHIP;470ohm,5%,1/16W,TP,1005 ...4 2007-000979 R-CHIP;5.6Kohm,1%,1/10W,TP,1608 ...4 2007-001125 R-CHIP;68Kohm,1%,1/10W,TP,1608 ...4 2007-001139 R-CHIP;7.5Kohm,1%,1/10W,TP,1608 ...4 2007-001292 R-CHIP;33ohm,5%,1/16W,TP,1005 ...4 2007-001298 R-CHIP;51ohm,5%,1/16W,TP,1005 ...4 2007-002425 R-CHIP;1ohm,5%,1/10W,TP,1608 ...4 2007-002899 R-CHIP;10ohm,1%,1/10W,TP,1608 ...4 2007-002906 R-CHIP;200Kohm,1%,1/10W,TP,1608 ...4 2007-007107 R-CHIP;100Kohm,1%,1/16W,TP,1005,T0.25 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 120 R-CHIP;21Kohm,1%,1/10W,TP,1608 ...4 2007-008134 R-CHIP;12.4Kohm,1%,1/16W,TP,1005 ...4 2007-008294 R-CHIP;33ohm,1%,1/16W,TP,1005 ...4 2007-008298 R-CHIP;49.9ohm,1%,1/16W,TP,1005 ...4 2007-008596 R-CHIP;0.1ohm,1%,1/4W,TP,3216 ...4 2007-008779 R-CHIP;0ohm,1%,1/16W,TP,1005 ...4 2007-009322 R-CHIP;1.3Kohm,1%,1/16W,TP,1005 ...4 2007-009777 R-CHIP;4.99Kohm,1%,1/16W,TP,1005 ...4 2011-001261 R-NETWORK;33ohm,5%,1/16W,L,CHIP,8P,TP,2..4 2011-001264 R-NETWORK;10ohm,5%,1/16W,L,CHIP,8P,TP,2..4 2011-001344 R-NETWORK;100ohm,5%,1/16W,L,CHIP,8P,TP,2 ...4 2011-001448 R-NETWORK;10ohm,5%,1/16W,L,4P,TP,1.0x1.0 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 121 AD480 2203-007423 C-CER,CHIP;10000nF,10%,35V,X7R,TP,3216 ...4 AD480 2203-007544 C-CER,CHIP;100nF,10%,50V,X7R,TP,1005,T0..4 AD480 2203-007795 C-CER,CHIP;10000nF,20%,10V,X5R,TP,1005,T ...4 AD480 2203-008096 C-CER,CHIP;2200nF,10%,50V,X5R,TP,2012,1..4 AD480 2203-008315 C-CER,CHIP;22000nF,20%,25V,X5R,TP,2012,T ...4 AD480 2203-008412 C-CER,CHIP;4700nF,10%,50V,X5R,TP,2012,T1 ...4 2409-001240 C-ORGANIC,SMD;33uF,20%,25V,LR,TP,7343(1..4 2601-001056 TRANS-SMD,PULSE;350UH,-,1:1,1:1,12.7X6.7 ...4 2703-003747 INDUCTOR-SMD;22uH,20%,6060,0.135ohm,1300 ...4 2703-003862 INDUCTOR-SMD;10uH,20%,6060,0.065ohm,1900 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 122 ASSY DRM;Kant-M2,ATSC,NagSam, MAC, HDCP ...4 BN46-00109H KEY CODE-CERTIFICATION;MAC,TV/AV,General ...4 BN46-00110P KEY CODE-CERTIFICATION;MIRACAST(HDCP2.2) ...4 BN46-00771A KEY CODE-CERTIFICATION;KANT-M2,Nagra CSC BN97-14479A ASSY MICOM;65L1MU7QN,65inch AUO Flat/Cur ...4 BN46-00836A S/W MICOM;N65LBURM,KANT-M2S,FLAT/CURVED BN91-19760S ASSY SHIELD;QNQ8CB 0203-007014 TAPE-SINGLE FACE;PET,T0.05,W50,L100M,CLE 6001-003168 SCREW-MACHINE;CH,+,M3,L5,ZPC(BLK),SWRCH1 BN02-00102K TAPE-SINGLE FACE;FILAMENT,T0.15,W25,ROLL Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 123 DS01A 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..5 0403-001785 DIODE-ZENER;NZH5V1B,4.94~5.2V,500mW,SOD- ..5 0406-001200 DIODE-TVS;RClamp0504F,6V,1MAV,TP ..5 0406-001778 DIODE-TVS;PUSB3FR4,6V,9V,0.2MAV,0.7VPA,0 ..5 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT ..5 0501-000462 TR-SMALL SIGNAL;MMBT2907A,PNP,350mW,SOT- ..5 0505-002598 FET-SILICON;AP2317GN,P,20V,-4.2A,0.052oh ..5 0505-002893 FET-SILICON;AO4801AS,P,30V,-5A,2W,SOIC-8 ..5 0505-003397 FET-SILICON;2N7002K,N,60V,0.38A,1.19ohm, ..5 0601-003620 LED-IR;SMD Angle Type,1.4mm,200mW,5V,940 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 124 R-CHIP;33ohm,5%,1/16W,TP,1005 ..5 2007-007107 R-CHIP;100Kohm,1%,1/16W,TP,1005,T0.25 ..5 2007-007136 R-CHIP;4.7Kohm,1%,1/16W,TP,1005 ..5 2007-007137 R-CHIP;1.2Kohm,1%,1/16W,TP,1005 ..5 2007-007138 R-CHIP;27Kohm,1%,1/16W,TP,1005 ..5 2007-007142 R-CHIP;10Kohm,1%,1/16W,TP,1005,T0.35 ..5 2007-007306 R-CHIP;100ohm,1%,1/16W,TP,1005 ..5 2007-007308 R-CHIP;33Kohm,1%,1/16W,TP,1005 ..5 2007-007309 R-CHIP;12Kohm,1%,1/16W,TP,1005,T0.35 ..5 2007-007312 R-CHIP;20Kohm,1%,1/16W,TP,1005 ..5 2007-007313 R-CHIP;6.8Kohm,1%,1/16W,TP,1005 ..5 2007-007318 R-CHIP;1Kohm,1%,1/16W,TP,1005 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 125 2703-000213 INDUCTOR-SMD;470nH,10%,1.35Ohm,35mA,15,M ..5 2703-002269 INDUCTOR-SMD;56nH,5%,1005,T0.5,1.4Ohm,15 ..5 2703-003803 INDUCTOR-SMD;4.7uH,20%,6060,0.031ohm,270 ..5 2703-004630 INDUCTOR-SMD;2.2uH,20%,7070,T5,0.0025Ohm ..5 2703-005191 INDUCTOR-SMD;1.5uH,20%,6060,T4.5,0.02Ohm ..5 2801-000102 CRYSTAL-SMD;12MHz,30ppm,12pF,100ohm,TP ..5 3301-001901 BEAD-SMD;220ohm,1608,TP,220ohm/100MHz ..5 3301-002039 BEAD-SMD;26ohm,1608,TP ..5 3601-001374 FUSE-SURFACE MOUNT;32V,5A,FAST-ACTING,PL ..5 3601-001376 FUSE-SURFACE MOUNT;32V,3A,FAST-ACTING,Hi ..5 3701-001967 CONNECTOR-HDMI;19P,A,FEMALE,AU,0.5mm,BLK Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 126 TAPE-SINGLE FACE;PAPER,3M2307,T0.14,W10, BN92-22928P ASSY BOX;QNQ8CB BH68-00697A LABEL BOX;ALL,ART,W60,L100,WHT,NO SILK,9 BN69-17669R BOX UNIT-OUT;65QNQ8CB,CB,DW4,F3,L1602,W1 BN92-23037A ASSY P/MATERIAL;QLED_QNQ8CB 6902-001972 BAG ROLL;HDPE/PE FOAM+HDPE,T0.015/T0.5,W 6922-000013 BAND;PP,T0.8,W18,L2300 M,TRP BH69-00418A WRAP;762,1828M,SAMEX FACTORY BN02-00319B TAPE-SINGLE FACE;OPP,T0.05,W75,L800M,CLE BN68-02422B LABEL WARNING;ALL,ART,T0.05,W240,L100,Wh BN69-17053Q PACKING ANGLE;ALL,PAPER,T3,W50,L1800,YEL Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 127 SCREW 6003-001819 SCREW-TAPTYPE;CH,+,B,M3,L6,ZPC(BLK),SWRC M0131 BN63-00520A GASKET-EMI;APPOLO_PAL,Conductive Fabric, BN68-05595A LABEL ETC;UF6P,ART,T0.08,W80,L23,WHITE,W BN74-00053E TAPE-SINGLE FACE;PAPER,3M2307,T0.14,W20, BN90-09537B ASSY BACK LIGHT UNIT;65QNQ8CB BN61-15560A OPTICAL SHEET-REFLECTOR;18Y_Q7F_65INCH_R BN61-15561A OPTICAL SHEET-HIGH COLOR;18Y_Q7F_65INCH_ BN61-15562A LGP;18Y_Q7F_65INCH_LGP,MS,T2.5 BN61-15565A OPTICAL SHEET-COMPLEX;18Y_NU8K_65INCH_CO BN96-45772A ASSY FRAME P-MIDDLE BOTTOM;65QNQ7FC,PC+G Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 128 ADHESIVE-UV;190024,CLEAR,UV, Acrylic FD01 BN63-16356A COVER-DECORATION;65Q7F,STS304,T0.15,SILV BN96-46181A ASSY OPEN CELL;AUO,65Inch,Y2018 New open ...4 BN81-12752A A/S OPEN CELL-ADHESIVE ACF;T430QVN02.2,4 ...4 BN81-15349A A/S OPEN CELL-POLARIZER-TFT;A/S-POLARIZE ...4 BN81-15350A A/S OPEN CELL-POLARIZER-C/F;A/S-POLARIZE ...4 BN81-16224A A/S-IC DRIVER SOURCE;IC DRIVER SOURCE,46 Copyright© 1995-2018 SAMSUNG. All rights reserved.
  • Page 129 6001-002912 SCREW-MACHINE;CH,+,M3,L3,ZPC(BLK),SWRCH1 BN02-00467A TAPE SINGLE FACE;KS9000,PET,T0.05,W10,L1 BN02-00486A TAPE-DOUBLE FACE;PU FOAM,T0.5,W3.2,L33M, BN60-00667U SPACER-CONDUCTIVE;65QNQ7FC,CONDUCTIVE FA BN60-01010B SPACER-CONDUCTIVE;Y14 ENTRY MODEL,CONDUC BN60-01539C SPACER-FOAM;65QNQ7FC,PU FOAM,L10,BLACK,T BN60-01612B SPACER-CONDUCTIVE;65QNQ7FC,CONDUCTIVE FA BN61-09308A ADHESIVE-TP;F8K,GREEN,ACRYL BN63-17419D SHEET-PROTECTION COVER;65QNQ7FC,PO,T0.04 AC155 BN64-04034B CHASSIS-FRONT;65QNQ8CB,Al,-,-,NATURAL,SL BN64-04035A CHASSIS-FRONT BOTTOM;65QNQ8CB,Al,-,-,NAT Copyright© 1995-2018 SAMSUNG. All rights reserved.

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