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LCD-TV Chassis : N64A Model : LN32B550K1F LN37B550K1F LN40B550K1F LN46B550K1F LN52B550K1F LN40B540P8F LN46B540P8F LN52B540P8F 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 LN32B550K1F/ LN40B540P8F Refer to the service manual in the GSPN (see the rear cover) for the more information.
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4-4. White Balance - Calibration ..................4-37 4-5. White Ratio (Balance) Adjustment ................4-37 4-6. Servicing Information ....................4-38 5. Exploded View & Part List ..................5-1 5-1. LN32B550K1F Exploded View ..................5-1 5-2. LN37B550K1F Exploded View ..................5-3 5-3. LN40B550K1F Exploded View ..................5-5 5-4. LN46B550K1F Exploded View ..................5-7 5-5.
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2. Product specifications CHANNEL FREQUENCY TABLE OUTPUT FREQUENCY : ANALOG fv:45.75MHz, fs:41.25MHz DIGITAL Fc:44MHz TUNING STEP SIZE : FIRST PLL 250KHz SECOND PLL 62.5KHz OSD CH NO CH NO CH NO CH NO Air-DTV Air-NTSC BAND Cable STD BAND Cable HRC Cable IRC 72.
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2. Product specifications OSD CH NO CH NO CH NO CH NO Air-DTV Air-NTSC BAND Cable STD BAND Cable HRC Cable IRC 499.25 ULTRA 498.00 499.25 505.25 ULTRA 504.00 505.25 511.25 ULTRA 510.00 511.25 517.25 ULTRA 516.00 517.25 523.25 ULTRA 522.00 523.25 529.25...
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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 [HDMI 1], [HDMI 2] or [HDMI ] jack on the TV and the HDMI OUT jack of the corresponding Anynet+ device using an HDMI cable.
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2. Product specifications 2-3. Specification Comparison to Old Models O : application, X : non-application ※ Model LN**B550K1F LN**A550P3F Design Display Type LCD TV LCD TV Built-in Tuner Resolution 1920 x 1080 1920 x 1080 LCD Panel TFT LCD Panel 60Hz TFT LCD Panel 60Hz Screen Size 32”/37”/40”/46”/52”...
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550 37” : BN96-09649A 550 40” : BN96-09649A 550 46” : BN96-09650A Stand 550 52” : BN96-09933A 540 40” : BN96-09646A Samsung Electronics 540 46” : BN96-09647A Service center 540 52” : BN96-09932A Screw 6002-001294 (for the stand - M4, M16) 550 : BN68-01883C Owner’s Instructions...
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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 (HDMI1, 2, 3, 4 - 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 1, 2) 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 1, 2) 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 check the connection of sound cable 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 MUTE Power On 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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Model LB550 LB530 / LB540 / LB550 / LB460 / LB360 / LB650 / LB530S TUNER ALPS ALPS / Xugang / SECCustom Region SAMSUNG SAMSUNG / Etron Light Effect On / Off Inch 32” Exhibition On / Off Mode ADC/WB...
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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 Sub Option 0 ~ 10 Mute Time(VIDEO) Failure Success / Failure ready Hotplug On / Off Hotplugcontrol On / Off Spread Spectrum On / Off Auto Power Arab On / Off NT Conversion On / Off On / Off Mirror HDMI EQ1...
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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 PDP Option Factory Name Data...
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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 Saturation Mute M Prescale A2K Prescale BTSC Mono Prescale BTSC Stereo Prescale SAP Prescale CH1 BW CH2 BW Num of Check...
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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 WB Movie WB Movie On / Off Dynamic / Standard / Movie Color Mode 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. White Balance - Calibration 4-4-1 White Balance -Calibration 1. Calibration AV Calibration Comp Calibration PC Calibration HDMI Calibration 4-4-2 White Balance - Adjustment (low light) (hight light) Sub Bright Sub Contrast 3. W/B R offset R gain G offset G gain B offset...
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4-6. Servicing Information 4-6-1 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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6. Wiring Diagram 6-3. Connector Functions Connector Functions CN101 <-> CN801 Supply main power and dimming signal from IP board to Main Board. FCN402 <-> CN505 The LVDS signal transfered from Main Board to Panel. CN1806 <-> Panel CN3 Feedback signal from driver. CN1808 <->...
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