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LCD-TV Chassis : N65C Model : LA22B450C4H LA26B450C4H LA32B450C4H LA37B450C4H LA26B457C6H LA32B457C6H LA37B457C6H LA40B457C6H SERVICE Manual TFT-LCD TV Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram LA22B450C4H / LA26B450C4H LA32B450C4H / LA37B450C4H LA26B457C6H / LA32B457C6H LA37B457C6H / LA40B457C6H Refer to the service manual in the GSPN (see the rear cover) for the more information.
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3. Disassembly and Reassembly 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LE32B450C4H LCD TV. WARNING: This LCD TV contains electrostatically sensitive devices. Use caution when handling these components. 3-1. Disassembly and Reassembly Cautions: 1.
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3. Disassembly and Reassembly Description Picture Description Screws 2. Lift up rear cover and remove the stand. 3. Remove Screw from the stand BRKT and lift up the stand BRKT.
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3. Disassembly and Reassembly Description Picture Description Screws 4. Disonnect cable from the boards. 5. Remove screws and Lift up the Lod panel.
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3. Disassembly and Reassembly Description Picture Description Screws 6. Remove the screws on Panel. Reassembly procedures are in the reverse order of disassembly procedures. ※...
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5. Exploded View & Part List 5. Exploded View & Part List 5-1. LA26B450C4H / LA26B457C6H Exploded View...
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5. Exploded View & Part List 5-1-1. LA26B450C4H Parts List Location No. Code No. Description & Specification Q’ty S.A/S.N.A Remark T0003 BN96-10017Y ASSY COVER P-FRONT;LB450 26,XY(HOTEL),PC M0013 BN96-10025M ASSY COVER P-REAR;LB450 26,XY(HOTEL),HIP M0215 BN07-00638A LCD-PANEL;T260XW02 VS M0146 BN61-05176A BRACKET-PANEL TOP;26inch,SECC,T1.2 S.N.A M0014 BN94-02830F...
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5. Exploded View & Part List 5-2. LA32B450C4H / LA32B457C6H Exploded View...
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5. Exploded View & Part List 5-2-1. LA32B450C4H Parts List Location No. Code No. Description & Specification Q’ty S.A/S.N.A Remark T0003 BN96-11241A ASSY COVER P-FRONT;LB450 32,XY(HOTEL),PC M0013 BN96-10027N ASSY COVER P-REAR;LB450 32,XY(HOTEL),HIP M0215 BN07-00674D LCD-PANEL;LTF320AP06 M0174 BN44-00260A IP BOARD;PSIV121C01A,H32HD_9SS,0.12mA,12 M0146 BN61-04980A BRACKET-PANEL TOP;B550-3 32,SECC,T1.2 S.N.A...
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5. Exploded View & Part List 5-3. LA37B450C4H / LA37B457C6H Exploded View...
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5. Exploded View & Part List 5-3-1. LA37B450C4H Parts List Location No. Code No. Description & Specification Q’ty S.A/S.N.A Remark T0003 BN96-10020P ASSY COVER P-FRONT;LB450 37,XY(HOTEL),PC M0013 BN96-10029G ASSY COVER P-REAR;LB450 37,SO,DTV(HOTEL) M0215 BN07-00642A LCD-PANEL;T370XW02 VF M0174 BN44-00262A IP BOARD;PSIV181E01A,H37F1_9SS,0.1mA,10m M0146 BN61-03414A BRACKET-PANEL TOP;PEONY52,SECC T1.2...
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5. Exploded View & Part List 5-4. LA40B457C6H Exploded View...
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5. Exploded View & Part List 5-4-1. LA40B457C6H Parts List Location No. Code No. Description & Specification Q’ty S.A/S.N.A Remark T0003 BN96-10021J ASSY COVER P-FRONT;LB457 40,XY(HOTEL),PC M0013 BN96-10031F ASSY COVER P-REAR;LB457 40,XY(HOTEL),HIP M0215 BN07-00650A LCD-PANEL;T400XW01 V7 M0174 BN44-00264A IP BOARD;PSIV231I01A,H40F1_9SS,0.11mA,11 M0146 BN61-03415A BRACKET-PANEL TOP;PEONY 46,GPSP T1.2...
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 1-2. Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
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 2-2. New Features explanation Anynet+: Anynet+ is an AV network system that enables you to control all connected Samsung AV devices � with the TV’s remote. To directly connect to TV Connect the [HDMI1] or [HDMI2] jack on the TV and the HDMI OUT jack of the corresponding Anynet+ device using an HDMI cable.
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. •...
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4. Troubleshooting 4-1-2. No Power The LEDs on the front panel do not work when connecting the power cord. Symptom The SMPS relay does not work when connecting the power cord. The units appears to be dead. The IP relay or the LEDs on the front panel does not work when connecting the power cord if the cables are improperly connected or the Main Board or SMPS is not functioning.
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4. Troubleshooting 4-1-3. No Video (Analog PC signal) Symptom Audio is normal but no picture is displayed on the screen. Check the PC source Major Check the Arsenal, Check the Chelsea. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Check a set Power indicator LED is off.
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4. Troubleshooting 4-1-4. No Video (HDMI 1, 2 - Digital Signal) Symptom Audio is normal but no picture is displayed on the screen. Check the HDMI source. Major Check the HDMI switch, Check the Chelsea. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Power Indicator is off.
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4. Troubleshooting 4-1-5. No Video (Tuner_CVBS) Symptom Audio is normal but no picture is displayed on the screen. Check the Tuner CVBS source. Major Check the Tuner, Check the Chelsea. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Power indicator LED is off.
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4. Troubleshooting 4-1-6. No Video (Tuner DTV) Symptom Audio is normal but no picture is displayed on the screen. Check the DTV source. Major Check the Tuner, Check the Chelsea. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Power indicator LED is off.
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4. Troubleshooting 4-1-7. No Video (Video CVBS) Symptom Audio is normal but no picture is displayed on the screen. Check the Video CVBS source Major Check the Chelsea. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Power indicator LED is off.
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4. Troubleshooting 4-1-8. No Video (Component) Symptom Audio is normal but no picture is displayed on the screen. Check the Component source Major Check the chelsea. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Power indicator LED is off.
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4. Troubleshooting 4-1-9. No Sound Symptom Video is normal but there is no sound.. When the speaker connectors are disconnected or damaged. Major When the sound processing part of the Main Board is not functioning. checkpoints Speaker defect.. Check the source and Input the sound source properly.
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4. Troubleshooting WAVEFORMS I2C Data Speaker out 4-24...
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4. Troubleshooting 4-2. Alignments and Adjustments 4-2-1. General Alignment Instuction Usually, a color LCD-TV needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. Use the specified test equipment or its equivalent. Correct impedance matching is essential.
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4. Troubleshooting 4-3. Factory Mode Adjustments 4-3-1 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 4-3-2 How to Access Service Mode Using the Customer Remote Turn the power off and set to stand-by mode Press the remote buttons in this order;...
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LB457 LB350 / LB450 / LB457 / LB460 / LB530 / LB650 TUNER Auto Auto/Sem_SL/Alps_SL/Sem_TC Region ASIA EU/ND/ASIA/CHN SAMSUNG SAMSUNG / Etron Light Effect On / Off CH Table SUWON SUWON, SESK…(Factory Channel Type) Medialink Type Local Set Others Others/Russia...
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4. Troubleshooting Control Factory Name EDID Sub Option PDP Option Hotel Option Shop Option Sound Config Option Factory Name Data Range EDID EDID ON/OFF On / Off EDID WRITE ALL Success Success / Failure EDID WRITE PC Success Success / Failure EDID WRITE DVI Success Success / Failure...
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4. Troubleshooting Factory Name Data Range Option Mute Time(VIDEO) 0 ~ 10 ready Failure Success / Failure TTX LIST FLOF FLOF / LIST On / Off TTX Group Lang OSD Lang OSD/ W Europe/E Europe/Russia/Greek/Turkey/Arab/Farsi/ArabHbrw Hotplug On / Off Hotplugcontrol On / Off Spread Spectrum Auto Power...
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4. Troubleshooting Spread Spectrum Factory Name Data Range Spread Spectrum On / Off Period 40K / 50K / 60K Amplitude 0 / 0.5 / 1 / 1.5 / 2 DDR Spread 2% Spread Off / 1% Spread / 2% Spread Factory Name Data Range...
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4. Troubleshooting Factory Name Data Range Hotel Option Hotel Mode On / Off SI Vendor Off / Movielink Power On Channel Power on source ATV / Scart / AV / Comp / PC / HDMI1 / HDMI2 / DTV Power On Volume Min Volume Max Volume Panel Button Lock...
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4. Troubleshooting Shop Option Factory Name Data Range Shop Mode On / Off USB DEMO ON (SEC) USB DEMO OFF (SEC) Sound Factory Name Data Range FM Prescale AM Prescale Nicam Prescale A2 M2S Threshold A2 S2M Threshold A2 PilotPhaseOn A2 PilotPhaseOff A2 Identon A2 Identoff...
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4. Troubleshooting Factory Name Advanced WB Movie EPA Standard ADJUST YC_Delay SHARPNESS PQ Others Color Space EEPROM RESET Factory Name Data Range Movie WB Movie On / Off Color Mode Dynamic / Standard / Movie Color Tone Cool / Normal / Warm1 / Warm2 Msub Brigh 0 ~ 255 Msub Contr...
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4. Troubleshooting EPA Standard Factory Name Data Range Std Contr 0 ~ 100 Std Bright 0 ~ 100 Std Sharp 0 ~ 100 Std Color 0 ~ 100 Std Tint 0 ~ 100 Std Backlight 0 ~ 10 Factory Name Data Range ADJUST...
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4. Troubleshooting SHARPNESS Data Factory Data Range component HDMI Name CVBS (720p) (720p) (720p) H1 Gain H2 Gain H3 Gain H4 Gain V1 Gain V2 Gain H overshoot V overshoot H undershoot V undershoot Coring TH2 Coring TH1 SHARPNESS Data Range Comp/HDMI/ PC / HDMI...
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4. Troubleshooting PQ Others Factory Name Data Range 7.5 IRE NTSC On / Off 7.5 IRE 0 ~ 60 Comp SD COMP HD Comp SD COMP HD Color HDMI SD HDMI HD HDMI SD HDMI HD HDMI Range Space Factory DTV SD DTV HD DTV SD...
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4. Troubleshooting 4-4. Setting the Hotel Option Data 4-4-1. Stand-alone model To Enter: Press the MUTE ENTER buttons in order. To Exit from this menu : power off and turn on again. ITEM Initial Value Description Hotel Mode Hotel mode(Stand alone) on/off SI Vendor Select the SI Vendor Power On Channel...
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4. Troubleshooting ITEM Initial Value Description PMOLED Normal PMOLED brightness selection Dimming PMOLED StandBy PMOLED STY-BY brightness selection Dimming Audio Loop In Audio loop identification or H.P identification selection The interactive or stand alone Hotel TV options in the OSD when Clone Hotel Standalone pressing the Hotel key on the clone remote control.
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To Exit from this menu : Power Off and Turn On again.(Press Power button with general SAMSUNG remocon) - You can enter directly Hotel TV menu with Clone Remote controller supplied from SAMSUNG.
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4. Troubleshooting ITEM Initial Value Description PMOLED Normal PMOLED brightness selection Dimming PMOLED StandBy PMOLED STY-BY brightness selection Dimming Audio Loop In Audio loop identification or H.P identification selection The interactive or stand alone Hotel TV options in the OSD when pressing Clone Hotel Menu Interactive the Hotel key on the clone remote control.
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4. Troubleshooting 4-5. White Balance - Calibration 4-5-1 White Balance -Calibration 1. Calibration AV Calibration Comp Calibration PC Calibration HDMI Calibration 4-5-2 White Balance - Adjustment (low light) (hight light) Sub Bright Sub Contrast 3. W/B R offset R gain G offset G gain B offset...
4-7. Servicing Information 4-7-1 USB Download Method Samsung may offer upgrades for TV’s firmware in the future. Please contact the Samsung call center at 1-800- SAMSUNG (726-7864) to receive information about downloading upgrades and using a USB drive. Upgrades will be possible by connecting a USB drive to the USB port located on your TV.
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Interactive : When TV is powered-up initially it sends command to identify SBB/STB, if identified TV switches to ONLINE mode and full control is through SBB/STB. In ONLINE TV stops receiving IR(Samsung remote) commands and acts according to interface protocol.
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4. Troubleshooting Connecting the TV with STB (SBB) 4-45...
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4. Troubleshooting Connecting the TV with STB (SBB) Connect the [DATA] jack of the TV to the [ETH MODEM] jack of the STB(SBB) with the Data cable. - Use data communication. Connect the [Class 2 Wiring 12V DC/1.5A] jack of the TV to the [DC-POWER] jack of the STB (SBB) with the DC cable.
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4. Troubleshooting List of SI Vendors for Compatible Data Cables Supplied with the TV - Refer to the code label on the data cables. SI Vendor Calibration Other Vendors BN39-00864A MagiLink BN39-01110B MovieLink BN39-01134B Warning When you use the DC power output jack, you have to check the standard output power of STB(SBB) and you should use the DC power within the standard output(5Vdc/2.5A, 12Vdc/1.5A).
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4. Troubleshooting Connecting the Bathroom Speakers You can connect the Bathroom Speakers in one of the following 2 methods. Connecting through the Variable Output (available without an external amplifier) 1. Connect the VARIABLE AUDIO [R-AUDIO-L] port of the TV to the Bathroom Wall Speakers of the hotel. Signal wire : Speaker + Shield wire : Speaker - 2.
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4. Troubleshooting Variable Output Port Specifications - 8Ω, 2W - Speaker Wire: Use speaker cable no more than 82 feet (25m) in length. Connect through the Fixed Output (available without an external amplifier) Connect the AUDIO OUT port of the TV and the Audio In port of the audio amplifier with a stereo cable. 4-49...
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4. Troubleshooting Connecting the MediaHub HD Output of any external source connected to MediaHub HD on hotel desk. Connect the RJP port of the TV and the RS/232 port of the MediaHub HD. Connect the [HDMI] port of the TV and the HDMI port of the MediaHub HD. MediaHub HD The MediaHub HD is a hardware module that has different Audio Video inputs (A/V, Audio, PC, HDMI and USB) and corresponding outputs.
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Connect the [HDMI] port of the TV and the HDMI port of the RJP. Connect the RJP port of the TV and the RS/232 port of the RJP. - The RJP (Remote Jack Pack) compatible with this Samsung TV is TeleAdapt TA-7610. RJP(Remote Jack Pack) RJP stands for Remote Jack Pack.
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4. Troubleshooting Scenario 1: When no inputs are connected. Source To Connect 2 Sec 0.7 Sec HDMI 3.9 Sec Scenario 2: When two or more inputs are connected and an Input source is disconnected and then reconnected. Source Disconnect To Connect Total 4.5 Sec 2 Sec...
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4. Troubleshooting Audio Loop In An additionally created Headphone Box can be installed on a bed or business desk so that users can use it conveniently. The installation procedures are given below. (Not available for 22 inch model.) Detailed Drawing of the Headphone Box 4-53...
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4. Troubleshooting Welcome Message Welcome message is a feature to display custom message on TV, every time TV is turned on by Guest in Hotel room. - Welcome message settings are placed in Hotel Option Menu. - Welcome message should be ON in order to display the message on power on. - Welcome message can be of 25 characters and it can be edited by changing its text in Hotel Service menu.
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- This option is to download logo image to memory. - Download the Logo File from PC to USB. Logo File Format - Only jpeg format is supported and the File name should be “Samsung.jpg”. - File size must be under 256Kbytes. - Maximum resolution is 1920 * 1080.
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4. Troubleshooting USB Cloning USB Cloning is a function to download user configured settings (Picture, Sound, Input, Channel, Setup, and Hotel Setup) from one TV set and upload the same to other TV sets. All the user-defined settings from the TV (Master Set) can be copied to the USB device. * Cloning from TV to USB It is an operation to copy the stored data from the specifi c area on the EEPROM from the TV set to the USB device.
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4. Troubleshooting * Cloning from USB to TV It is an operation to download the stored data in USB device to TV set. Insert a USB drive into the USB port on the rear of the TV. Enter the hotel menu by pressing this buttons in order. - Interactive mode : INFO →...
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4. Troubleshooting Hotel Plug & Play Hotel Plug & Play is a function that automatically performs the Hotel mode selection, Country Setup, Clock Setup and Picture mode Setup once. - Hotel Plug & Play is available only one time when power is first turned ON. - After setting up first TV and Clone TV to USB - Next TV only needs to exit Hotel Plug &...
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4. Troubleshooting Multi Code Remocon Multi Code Remocon is a special transmitter which is designed to control each TVs with one remote. This function is useful in the place a large number of TV are provided like hospital Set ID number will be displayed in source osd.
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4. Troubleshooting Setting the Time *The time is entered - Press the remote control button to select “Clock set” and set up the time. “Menu” → “Setup” → “Time” → “Clock” → “Clock Set” *Setting the Interactive Mode Time - If the Hotel System transmits time information, the time is set automatically.
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4. Troubleshooting 4-9. HOW TO UPGRADE WITH JIG 4-9-1. TV Main S/W Order Description ETC. Open the Flash Downloader. Connect Mstar JIG One side is USB cable, to the TV Set with the another side is D-SUB Cable. D-Sub cable on the JIG. JIG connection is OK Select the code Choose the S/W...
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4. Troubleshooting Order Description ETC. Select AUTO button Select RUN button Check the Verify OK, Select DIS Con Button And disconnect the JIG 4-62...
6. Wiring Diagram 6-2. Connector Functions Connector Functions CN2001 <-> CN801 Supply main power and dimming signal from IP board to Main Board. CN1120_FHD <-> CN505 The LVDS signal transfered from Main Board to Panel. CN1806 <-> Panel CN3 Feedback signal from driver. CN1808 <->...