Samsung UN48H6800AG Service Manual
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Samsung UN48H6800AG Service Manual

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SERVICE
LED TV
UN**H6800AG
LED TV
Chassis : U8DD
Model
: UN48H6800AG
UN55H6800AG
Manual
1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
Contents

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Summary of Contents for Samsung UN48H6800AG

  • Page 1 LED TV Chassis : U8DD Model : UN48H6800AG UN55H6800AG SERVICE Manual LED TV Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Wiring Diagram UN**H6800AG...

  • Page 2: Table Of Contents

    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.
  • Page 3 5. Wiring Diagram ......................5-1 5-1. Wiring Diagram ........................5-1 5-2. Connector ..........................5-6 5-3. Connector Functions ......................5-9...
  • Page 4 This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2014 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.

  • 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 UN**H6800AG Front View * W : Width H : High D : Depth Detail View Front Color Black Body 1078.6 X 625.9 X 79.2 mm 48" With stand 1078.6 X 673.1 X 294.9 mm Dimensions (W x H x D) Body...

  • Page 11: Product Specification

    DTS Premium Sound 5.1 3D Sound Auto Volume Leveler Sound Output (RMS) 40W(Left:10W, Right:10W, Woofer:20W) Speaker Type Down Firing + New Waveguide Woofer HD Audio Smart TV Smart Hub Samsung SMART TV On TV Movies & TV Shows Multimedia Apps News On...
  • Page 12 2. Product specifications Item UN**H6800AGXPR Smart TV Game My Space Social Fitness Kids Multi-Screen (Dual / Quad Screen) Skype™ on Samsung TV Ready Web Browser AllShare Control Search Smart Interaction Voice Interaction Voice Control Camera Built-in Face recognition Ready Motion control...
  • Page 13 Slim Type Ultra Slim Front Color Black Light Effect (Deco) Stand Type T-shape Swivel (Left/Right) Camera Type Additional Feature Samsung 3D 3D Converter Instant On N-KIT Quad Core+ Accessibility Zoom Digital Clean View Auto Channel Search Auto Power Off Clock&On/Off Timer...
  • Page 14 Lead Presence Accessory 3D Active Glasses (Included) Remote Controller Model TM1250A Batteries (for Remote Control) Samsung Smart Touch Control (Included) Electric Stand Support Electric Wall Mount Support Ultra Slim Wall Mount Supported Mini Wall Mount Supported Vesa Wall Mount Supported...
  • Page 15 2. Product specifications Item UN**H6800AGXPR Accessory E-Manual ANT-Cable Power Cable Slim Gender Cable...

  • Page 16: Feature & Specifications

    2. Product specifications 2-2-2. Feature & Specifications Feature „ • Digital-TV, RF, 4-HDMI, 1-Component,1-A/V, 3-USB2.0, LAN, built-in WIFI • PIP(in HDMI 1, 2, 3, 4 Component and Sub picture is available only in TV mode(DTV/ATV)) • CMR 720 • Dolby Digital Plus Pulse, DTS Premium Sound 5.1, DTS Studio Sond Specifications „...

  • Page 17: Accessories

    2. Product specifications 2-3. Accessories NOTE • The items’ colors and shapes may vary depending on the model. • Cables not included in the package contents can be purchased separately. • The part code for some accessories may differ depending on your region. Product Code.

  • Page 18: Viewing The Functions

    2. Product specifications 2-4. Viewing the Functions Using the Samsung Smart Control „ Turns the TV on and off. Displays and selects the available video sources. : Enable for the optimal FÚTBOL Soccer Mode sports viewing experience. Gives direct access to channels.

  • Page 19: Disassembly And Reassembly

    3. Disassembly and Reassemble 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LED TV. This LED TV contains electrostatically sensitive devices. Use caution when handling these components. WARNING 3-1. Disassembly and Reassembly Disconnect the LED TV from the power source before disassembly.
  • Page 20 3. Disassembly and Reassemble Description Picture Description Screws Remove the screws of rear-cover. Torque : (In this step, Two types of screws are 7~ 8Kgf.cm. used.) • 48" : 13EA / 1EA • 55" : 17EA / 1EA 6001-002755 Torque : 9~ 11Kgf.cm.
  • Page 21 3. Disassembly and Reassemble Description Picture Description Screws Remove the screws of main board. Torque : 7~ 8Kgf.cm 6001-002756 Remove the screws of IP board. Remove the IP board. Remove Function Assy, WIFI and BT Module. Remove the Speakers.(R/L)
  • Page 22 3. Disassembly and Reassemble Description Picture Description Screws Remove the screws of T-con. Torque : 7~8Kgf.cm 6001-003075 Torque : 7~ 8Kgf.cm T-con Board 6001-002653 Unlock the locking of T-con cable. Completed disassembly. • Panel NOTE Reassembly procedures are in the reverse order of disassembly procedures.

  • Page 23: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting 4-1-1. Previous Check 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. Check the power input to the Main Board.
  • Page 24 4. Troubleshooting How to check inner pattern? „ Enter the service mode ⇢ Choose ‘SVC’ ⇢ Check the ‘internal pattern.’ Enter ‘Service Mode.’ If you do not have Factory remote control Power OFF MENU Power On If you have Factory remote control INFO Factory Choose ‘SVC...

  • Page 25: How To Check Fault Symptom

    4. Troubleshooting 4-2. How to Check Fault Symptom 4-2-1. NO Power Note Refer to the next page to check the location such a CN201 or IC201 SVC Manual mentioned. • The LEDs on The front panel do not work when connecting The power cord. Symptom •...
  • Page 26 4. Troubleshooting Diagnostics Please, Contact tech support. Caution Make sure to disconnect the power before working on the IP Board.
  • Page 27 4. Troubleshooting Location of Parts „ Main Board_Front A1.5V_DDR_ A3.3V_PW PW (IC204) (IC202) A5V_PW (IC206) B5V_DC_PW (IC201) B1.1V_CORE_ PW (IC304) B1.1V_CPU_ PW (IC305) B3.3V_PW (IC208)

  • Page 28: Factory Mode Adjustments

    4. Troubleshooting 4-3. Factory Mode Adjustments 4-3-1. 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". UN**H6800AGXPR „ Inches 48" 55" Vendor PANEL Code BN95-01828A...

  • Page 29: Entering Factory Mode

    4. Troubleshooting 4-3-2. Entering Factory Mode To enter ‘Service Mode’ Press the remote -control keys in this sequence : • If you do not have Factory remote control Power OFF INFO MENU MUTE Power On • If you have Factory remote control INFO Factory Buttons operations within Service Mode...

  • Page 30: Factory Data

    4. Troubleshooting 4-3-3. Factory Data Option „ Factory Menu Name Data Range Factory Reset Type 48A1UF6R 55A1UF6R Local Set PAR_DTV SW Model BOM Model TUNER ISDB-T Ch Table NONE MRT Option Front Color U-FHD-8K LVDS FORMAT JEIDA Language_Arabic Region FANEURO PnP Language WIFI REGION OTN Support...
  • Page 31 4. Troubleshooting Factory Menu Name Data Range BD Wise Support Data Service Support JAVA Data Service Support PVR Support CI Support LEDMotionPlus Support Natural Mode Support Relax Mode Support HDMI/DVI SEL Select LCD/PDP Wall Mount HV Flip HV Flip / H Filp / OFF Light Effect e-Pop Default CAMERA Support...
  • Page 32 4. Troubleshooting Factory Menu Name Data Range FQ BW PH RATE PD EN PEQ Inx WF Scale WF Type Number of Network Stream DP V Size Backend Device BT_AUDIO_ON_OFF Config_AV_PATH USING_PSI_UPDATE ECO Standby Fast Logo Delay Num of PANEL KEY Panel Detail Panel Init Time Tcon Init Time...
  • Page 33 4. Troubleshooting Factory Menu Name Data Range Info Link Server Type development Info Link Country None TTX Group UserOSD Visual Test MediaPlayDB OPTION_SWU OTN Server Type operating OTN Test Server SWU Reset SWU Duration SWU Fail Test OPTION_NUM Num of ATV Num of SVIDEO Num of PC Num of DVI...
  • Page 34 4. Troubleshooting Factory Menu Name Data Range EEPG Enable Last Screen App Resume BP RMS Reset Fanet Thread User InstantOn Default Value PDP Option Pixel Shift Test Logic SW Panel Temperature LOGIC Waveform Day Logic CheckSum SAPC Timer APC Speed Hotel Option Hospitality Mode Power On...
  • Page 35 4. Troubleshooting Factory Menu Name Data Range SOUND Carrier_Mute High Devi Speaker Delay Normal 0x0Ah SPDIF PCM Gain -9dB FM M Prescale 0x30h FM Prescale 0x44h AM Prescale 0x32h NICAM Prescale 0x48h BTSC Mono Prescale 0x19h BTSC stereo Prescale 0x2Fh BTSC SAP Prescale 0x2Bh A2Ident High THID...
  • Page 36 4. Troubleshooting Factory Menu Name Data Range India Sound AudioDock BT delay Wall Filter Type Bottom CheckSum Bottom Local CheckSum Lipsync Inx Lipsync CheckSum OK:0x9631 Lipsync USB Test Ready LipSync BT CheckSum OK:0x696A Debug „ Factory Menu Name Data Range Spread Spectrum LVDS Spread DDR Spread...
  • Page 37 4. Troubleshooting Factory Menu Name Data Range B CTRL_OFFSET_D ND ADJ Support MICOM POWER OFF RF Mute Time CI+1.3 FRC FDISPLAY ON/OFF 3D FDISPLAY ON/OFF PC Mode ON/OFF Home Panel FRC DDR Test Tuner Margin MPEG Margin H.264 Margin CAM Wait Time TS Clock deldy TCON_TEMP READ 46.87...
  • Page 38 4. Troubleshooting Factory Menu Name Data Range Frequency offset Timing offset PLL Type DEMOD Type TPS Lock RS Lock Firmware Version ISDB-T FFT Size_1 Guard Interval_1 Freq. Offset_1 SNR_1 IF AGC_1 TMCC Lock_1 TS Packer_1 Master Lock_1 A_Modulation_1 A_Code Rate_1 A_Timer InterLeave_1 A_Segments Num_1 A_BER_1...
  • Page 39 4. Troubleshooting Factory Menu Name Data Range RM_BIST_ATV Voice Debug Stress Mode „ Factory Menu Name Data Range Self Diagnosis Loop Back AV Audio Test DVIN Audio Test CVBS Test COMP Test USB HUB Test HDMI Test SCART Audio Test SCART CVBS Test SCART RGB Test PC Audio Test...
  • Page 40 4. Troubleshooting Factory Menu Name Data Range ATV CH Inspection DTV CH Inspection Satellite CH Inspection Aging Line Test Info SVC Info LOG(View Log) ER Count Panel Display Time Upgrade T-CON Usb Download Failure T-CON CheckSum Logic Usb D/L … SUBMICOM UPGRADE Ready BT UPGRADE...
  • Page 41 4. Troubleshooting Factory Menu Name Data Range HDMI HOT PLUG Disable HOTPLUG SWITCHING Boot HOT PLUG DURATION 1200ms CLK TERM DURATION 1200ms HDMI FLT CNT SIG 100ms HDMI FLT CNT LOS 100ms UNSTABLE BAN CNT 5000ms HDMI ROBIN HDMI Callback HDMI CTS THLD HDMI CTS Cnt1 HDMI EQ...
  • Page 42 4. Troubleshooting Factory Menu Name Data Range FRC OSD Pre Pattern FRC OSD Post Pattern Other Setting Delete S/N IPERF Stopped Expert CAL Data Backup … CaL Data Restore ATV IF AGC SPEED Auto Power LAST POWER SVC Panel ORIGINAL ADC/WB „...
  • Page 43 4. Troubleshooting Factory Menu Name Data Range 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 44 4. Troubleshooting Factory Menu Name Data Range G9_Gain … B9_Gain … R10_Gain … G10_Gain … B10_Gain … 4-22...

  • Page 45: White Balance

    4. Troubleshooting 4-4. White Balance 4-4-1. Calibration Into the Factory Mode. Select ADC/WB menu. Select menu. AV Calibration Option Comp Calibration Control HDMI Calibration Debug ADC/WB Advanced 4-4-2. Service Adjustment You must perform Calibration in the Lattice Pattern before adjusting the White Balance. Color Calibration „...

  • Page 46: Adjustment

    4. Troubleshooting Method of Color Calibration (AV) Apply the NTSC Lattice (N0. 3) pattern signal to the AV IN 1 port. Press the Source key to switch to “AV1” mode. Enter Service mode. Select the “ADC” menu. Select the “AV Calibration” menu. In “AV Calibration Off”...

  • Page 47: Software Upgrade

    4. Troubleshooting 4-5. Software Upgrade Software Upgrade can be performed by downloading the. latest firmware from samsung.com to a USB memory device. • Current Version - The software already installed in the TV. Software is represented as ‘Year/Month/Day_Version’. 4-5-1. How to Check the Software Version Use the Main Menu „...

  • Page 48: How To Upgade Software

    4. Troubleshooting 4-5-2. How to Upgade Software Insert a USB drive containing the firmware upgrade downloaded from samsung.com into the TV. NOTE Please be careful not to disconnect the power or remove the USB drive while upgrades are being applied.
  • Page 49 4. Troubleshooting Sub Software Upgrade „ USB Download After Main Software upgrade, Enter the Factory menu by below method. Factory Remocon • Click the Remocon button continuedly. (Info key+ Factory key) Info Factory Nomal Remocon • Turn off the TV. 2 Click the Remocon button continuedly.
  • Page 50 5. Wiring Diagram 5. Wiring Diagram 5-1. Wiring Diagram...
  • Page 51 5. Wiring Diagram 2014 LED Signal Path for Troubleshooting „ ENTER: Factory mode > SVC Info > Test Pattern „...
  • Page 52 5. Wiring Diagram X14H Block-Diagram „...
  • Page 53 5. Wiring Diagram X14H Power tree „...
  • Page 54 5. Wiring Diagram X14H RESET tree „...
  • Page 55 5. Wiring Diagram 5-2. Connector DDR 512MB DDR 512MB 15 USB 3 1 CN201 14 USB 2 Mstar CPU/GPU DDR 256MB 13 USB 1 Flash 4GB 12 HDMI 4 10 HDMI 2 7 LAN 11 HDMI 3 2 CN1401 9 HDMI 1 3 OP301 8 CN303/CN304 6 COMPONENT (AV1)
  • Page 56 5. Wiring Diagram CN201(to Power board) OP301(to Optical Jack) A13V_PW SW_INVERTER SPDIF_OUT A13V_PW A13V_PW B5V_DC_PW OVD_LEVEL CN302(to Speaker) A13V_PW A13V_PW OVD_ON_OFF CN1201(to Function/IR) A13V_PW FRC_PWM1 SW_POWER_OUT FRC_PWM2 LED_STB A13V_PW FRC_PWM3 BT_WAKE CN1401_FHD FRAME_SYNC_IN EVEN_TX0- A3.3V POWER_DET BT_SYNC FRC_SDA ODD_TX4+ MSCL BT_RESET FRC_PWM1 ODD_TX4-...
  • Page 57 5. Wiring Diagram CN303_IBR_ 1~14 CN603(to HDMI3) HDMI3_RX2+ HP_LINE_SL_OUT HDMI3_RXCLK- HP_LINE_SR_OUT HDMI3_RX2- TEST_SL HDMI3_RX1+ TEST_SR HDMI3_SCL_DDC IDENT_HP IPR_JACK_ID HDMI3_RX1- HDMI3_SDA_DDC HDMI3_RX0+ HDMI3_5V CN304_IBR_ 1~7(to Headpune&LR OUT) HDMI3_RX0- HDMI3_HOT_PLUG TEST_SR HDMI3_RXCLK+ HP_LINE_SL_OUT IDENT_HP HP_LINE_SR_OUT CN604(to HDMI4) TEST_SL HDMI4_RX2+ HDMI4_RXCLK- CN601(to HDMI1) HDMI4_RX2- HDMI1_RX2+ HDMI4_RX1+...
  • Page 58 5. Wiring Diagram 5-3. Connector Functions Connector Function Supply main power and dimming signal from IP board to Main Board. CN201  CNM803 The LVDS signal transfered from Main Board to Panel. CN1401  CON3...

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