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All manuals and user guides at all-guides.com LCD-TV Chassis : G5K32MLA G5K40MLA G5K46MLA G5K52MLA Model : LN32B550K1R LN40B550K1R LN46B550K1R LN52B550K1R 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 LN32B550K1R/LN40B550K1R LN46B550K1R/LN52B550K1R Refer to the service manual in the GSPN (see the rear cover) for the more information.
All manuals and user guides at all-guides.com 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 any circuitry. 1-1-2.
All manuals and user guides at all-guides.com 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.
All manuals and user guides at all-guides.com 1. Precautions 1-4. Installation Precautions For safety reasons, more than two 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.
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All manuals and user guides at all-guides.com 1. Precautions Memo...
All manuals and user guides at all-guides.com 2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model LN32B550K1R Feature Analog-TV, RF, 4-HDMI, 2-Component, 2-A/V, 1-USB2.0, D-SUB � Brightness : 500cd/m � Contrast Ratio : 5000:1 � Response time : 8ms �...
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All manuals and user guides at all-guides.com 2. Product specifications Model LN40B550K1R Feature Analog-TV, RF, 4-HDMI, 2-Component, 2-A/V, 1-USB2.0, D-SUB � Brightness : 500cd/m � Contrast Ratio : 5000:1 � Response time : 8ms � Super-PVA � PIP(in HDMI 1, 2, 3, 4, Component 1, 2, PC Mode and Sub picture is available only in TV mode) �...
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All manuals and user guides at all-guides.com 2. Product specifications Model LN46B550K1R Feature Analog-TV, RF, 4-HDMI, 2-Component, 2-A/V, 1-USB2.0, D-SUB � Brightness : 500cd/m � Contrast Ratio : 5000:1 � Response time : 8ms � Super-PVA � PIP(in HDMI 1, 2, 3, 4, Component 1, 2, PC Mode and Sub picture is available only in TV mode) �...
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All manuals and user guides at all-guides.com 2. Product specifications Model LN52B550K1R Feature Analog-TV, RF, 4-HDMI, 2-Component, 2-A/V, 1-USB2.0, D-SUB � Brightness : 500cd/m � Contrast Ratio : 5000:1 � Response time : 8ms � Dynamic contrast, Super-PVA � PIP(in HDMI 1, 2, 3, 4, Component 1, 2, PC Mode and Sub picture is available only in TV mode) �...
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All manuals and user guides at all-guides.com 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...
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All manuals and user guides at all-guides.com 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...
Compatibility problem. Before connecting your device to the TV, please back up your files to prevent them from damage or loss of data.SAMSUNG is not responsible for any data file damage or data loss. Do not disconnect the USB device while it is loading.
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All manuals and user guides at all-guides.com 2. Product specifications -. movie format File Extention Container Video Decoder Resolution Audio codec Xvid 800 x 600 ADPCM H.264 MP 1920 x 1088 * .avi MPEG4 SP 800 x 600 ADPCM MJPEG 800 x 600 H.264 BP 1920 x 1088...
All manuals and user guides at all-guides.com 2. Product specifications 2-3. Specification Comparison to Old Models Model LB5K CORAL Design Display Type LCD TV LCD TV Built-in Tuner Resolution 1920 x 1080 1366 x 768 LCD Panel 40”TFT LCD Panel 60Hz 40”TFT LCD Panel 50Hz Screen Size 40”...
Remote Control & Batteries BN59-00887A (AAA x 2) Power Cord 3903-000193 Cover-Bottom BN63-05466B Owner’s Instructions BN68-01929A Samsung Electronics Service center Cleaning Cloth BN63-01798B Warranty Card / Registration AA68-03242M Card / Safety Guide Manual BH68-00527B (Not available in all locations) Stand Screw x 4...
All manuals and user guides at all-guides.com 3. Disassembly and Reassembly 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LN40B550K1R LCD TV. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1.
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All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 2. Remove the screws of rear-cover. 3. Lift up and remove the rear-cover. * Rear view of 32” / 40” * Rear view of 46” / 52”...
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All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 4. Remove the screws of main board. 4-1. Remove the screws of IP board. Remove the IP board. (32” / 40”) 4-2. Remove the screws of IP board. Remove the IP board.
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All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 5. Remove the speakers. (R/L) 6. Remove the screws of Stand BKLT. Lift up the Stand BKLT. 7. Remove the screw of panel top.
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All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 7-1. Remove the screw of wall bracket. (46” / 52” only) 8-1. Front 8-2. Panel Reassembly procedures are in the reverse order of disassembly procedures. ※...
All manuals and user guides at all-guides.com 4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting 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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All manuals and user guides at all-guides.com 4. Troubleshooting Simple flow chart of malfunction Does the TV turn on? Can you see anything on the screen? Can you see OSD menu running on the screen? Can you see Digital Channel broadcast ? Check LVDS cable connected Check the Power Cord...
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The WLAN does not work. An explanation of Equipment other than the WLAN USB stick supplied by Samsung Electronics (as a bundle) will not work. MEDIA PLAY The sharer must support IEEE 801.11 g/b. IEEE 801.11 n is not supported.
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All manuals and user guides at all-guides.com 4. Troubleshooting I cannot find Internet Sharer in the Wlan An explanation of Only InfraStructure mode of the sharer is supported. Ad- settings menu. MEDIA PLAY Hoc mode is not supported. If multiple sharers are being used, configure them so that they do not use the same channel.
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-1. No Power The LEDs on the front panel do not work when connecting the power cord. Symptom The IP BOARD 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 IP BOARD is not functioning.
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-2. No Video (Analog PC signal) Symptom Audio is normal but no picture is displayed on the screen. Check the PC source Major Check the SEMS03. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Check a set in the Power indicator LED is off.
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All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS R,G,B Output Signal...
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-3. No Video (HDMI 1, 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 SEMS03. checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
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All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS Digital Output Data Signal of HDMI(Data)
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-4. 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 SEMS03. 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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All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS CVBS Output Signal Tuner_CVBS Output Signal 4-11...
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-5. 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 SEMS03. 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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All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS CVBS Output Signal 4-13...
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-6. No Video (Component 1, 2) Symptom Audio is normal but no picture is displayed on the screen. Check the Component source Major Check the SEMS03. 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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All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS Digital Output Data Analog Signal(Y,C) 4-15...
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All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-7. 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..
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All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS The Signal are Inputed to IC1201 The Signal are Inputed to IC1202 4-17...
All manuals and user guides at all-guides.com 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.
All manuals and user guides at all-guides.com 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 INFO MENU MUTE...
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All manuals and user guides at all-guides.com 4. Troubleshooting ADC Result 1st_AV_Gain 0 ~ 255 1st_AV_Offset 0 ~ 255 1st_Comp_Gain 0 ~ 255 1st_Comp_Gain_Cb 0 ~ 255 1st_Comp_Gain_Cr 0 ~ 255 1st_Comp_Offset 0 ~ 255 1st_Comp_Offset_Cb 0 ~ 255 1st_Comp_Offset_Cr 0 ~ 255 1st_PC_R_Gain 0 ~ 255...
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All manuals and user guides at all-guides.com 4. Troubleshooting Control EDID EDID Protect On/Off EDID Type L13_1920_1080 P12_1024_768, P13_1024_768, P12_1366_768, P13_1366_768, P12_1920_1080, P13_1920_1080, L12_1366_768, L13_1366_768, L12_1920_1080, L13_1920_1080 EDID Write(0x4D,0) L13_1920_1080 P12_1024_768, P13_1024_768, SUCCESS P12_1366_768, P13_1366_768, P12_1920_1080, P13_1920_1080, L12_1366_768, L13_1366_768, L12_1920_1080, L13_1920_1080 Video Mute Time 0~99...
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All manuals and user guides at all-guides.com 4. Troubleshooting Hotel Option Hotel Option Hotel Mode On/Off Shop Option Shop Option Shop Mode On/Off Sound Detection Threshold OPTION RANGE SOUND Pilot Threshold M2S Thr High 0~255 M2S Thr Low 0~255 S2M Thr High 0~255...
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All manuals and user guides at all-guides.com 4. Troubleshooting MST69A84HQ VDEC SYNC_LVL 0~255 HPLL_MD HPLL_SPD1 0~63 HPLL_SPD2 0~255 CBCRLP_MD YC_DLY IFCOMP 0~63 SAT_ADJ 0~255 YSEPFLT NOISE_LVL 0~255 Film Det Speed NT 0~255 IPC/MJC Film Det Speed PAL 0~255 Motion Hist Motion History Red Sat 0~30...
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All manuals and user guides at all-guides.com 4. Troubleshooting Pattern Select 0~25 B-Slope Gain 0~255 B-Tilt Min 0~255 B-Tilt Max 0~255 LFuc-Basis 0~255 HFuc-Basis 0~255 Mean-Offset1 0~255 Mean-Offset2 0~255 Mean-Slope 0~255 ACR Offset 0~127 ACR Th1 0~255 ACR Th2 0~255 Skin Enable 0~255...
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All manuals and user guides at all-guides.com 4. Troubleshooting EPA Standard Std Contr 0~100 EPA Standard Std Bright 0~100 Std Sharp 0~100 Std Color 0~100 Std Tint 0~100 Std Backlight 0~10 Adjsut Dynamic Dimming On/Off Adjsut Dynamic CE Dynamic CE On/Off B Slope...
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All manuals and user guides at all-guides.com 4. Troubleshooting YC_Delay PAL BG YC Delay PAL DK PAL I SECAM BG SECAM DK SECAM L NTSC 358 NTSC 443 AV PAL AV SECAM AV NT358 AV NT443 AV PAL60 Sharpness ...
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All manuals and user guides at all-guides.com 4. Troubleshooting Skin X 0~11 Skin Y 0~11 B Slope 0~255 DLC ML 0~255 DLC_MH 0~255 DLC_H 0~255 Skin_SAT 0~15 Skin_Hue 0~127 M_Skin_Hue M_Skin_X 0~11 M_Skin_Y 0~11 Mid_color_level 0~255 M_Mid_color_level 0~255 EEPROM Reset ...
All manuals and user guides at all-guides.com 4. Troubleshooting 4-4. White Balance - Calibration 4-4-1 White Balance -Calibration 1. ADC AV Calibration Comp Calibration PC Calibration HDMI Calibration 4-4-2 Service Adjustment - You must perform Calibration in the Lattice Pattern before adjusting the White Balance. Color Calibration ...
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All manuals and user guides at all-guides.com 4. Troubleshooting Method of Color Calibration (AV) 1) Apply the PAL Lattice (NO. 2) pattern signal to the AV IN 1 port 2) Press the Source key to switch to “AV1” mode 3) Enter Service mode 4) Select the “ADC”...
4-5. Servicing Information 4-5-1 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.
All manuals and user guides at all-guides.com 6. Wiring Diagram 6-5. Connector Functions Connector Functions CN1001 <-> CN801 Supply main power and dimming signal from IP board to Main Board. CN8002 <-> CN505 The LVDS signal transfered from Main Board to Panel . CN1806 <->...