3. Disassembly and Reassembly 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LC550(LA32C550***) LCD TV. WARNING: This LCD TV contains electrostatically sensitive devices. Use caution when handling these components. 3-1. Disassembly and Reassembly (LC550) Cautions: 1.
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3. Disassembly and Reassembly Description Picture Description Screws 4. Remove the left and right speaker. 5. Remove the 5 screws of main board. Remove the screws of SMPS board. 32", 37" : Remove the 5 screws of rear-cover. 40", 46" : Remove the 7 screws of rear-cover. 6001-002284 6001-002604 6.
3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LC550(LA32C550***) LCD TV. WARNING: This LCD TV contains electrostatically sensitive devices. Use caution when handling these components. 3-2. Disassembly and Reassembly (LC530) Cautions: 1.
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3. Disassembly and Reassembly Description Picture Description Screws 4. Remove the left and right speaker. 5. Remove the 5 screws of main board. Remove the screws of SMPS board. 32", 37" : Remove the 5 screws of rear-cover. 40", 46" : Remove the 7 screws of rear-cover. 6001-002284 6001-002604 6.
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3. Disassembly and Reassembly Description Picture Description Screws 8. Lift up the panel. Reassembly procedures are in the reverse order of disassembly procedures. ※...
5. Exploded View & Part List 5-2-1. LA32C550J1F Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LA32C550J1FXXZ S001A BN90-02442B ASSY STAND;32,LC650,W/W,2COAT,ROSE BLACK SG03A BN96-12758B ASSY STAND P-GUIDE;32,LC650,W/W,PC+G/F,2 ...3...
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5. Exploded View & Part List 5. Exploded View & Part List 5-1. LA46C550J1F Exploded View R001A T0101 T0101 INVER T0101 T0101 T0175 T0175 T0910 M0174 M0254 PANEL M0014 T-CON F001A SG03A M0027...
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5. Exploded View & Part List 5-2. LA46C550J1F Parts List Location No. Code No. Description & Specification Q’ty SA/SNA Remark F001A BN96-12809E ASSY COVER P-FRONT;46,LC550,CHINA(DTV),P PANEL BN07-00815A LCD-PANEL;LTF460HM01,SSEZMS,8bit,46,16.7 TCON BN81-04157A A/S-T CON LTF460HM01;LTF460HM01 INVER BN81-04173A A/S-BB-L LTF460HM01;LTF460HM01 M0174 BN44-00341A IP BOARD-TV;PSIV281510A,I46F1_ASM,14mA,1 M0014 BN94-03740A ASSY PCB MAIN;LA46C550J1F,N82A,DTV...
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5. Exploded View & Part List 5-2-1. LA46C550J1F Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LA46C550J1FXXZ S001A BN90-02444B ASSY STAND;46,LC650,W/W,2COAT,ROSE BLACK M0027 BN96-12763A ASSY STAND P-BASE;46,EXPORT,TEMPERED GLA ...3 M0081 6003-001003...
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. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety 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.
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 ሪ with the TV’s remote. To directly connect to TV Anynet+ Device 1 Anynet+ Device 2...
2. Product specifications 2-3. Specification Comparison to Old Models O : application, X : non-application ※ C550(LA32C550) B550(LA32B550) Model Design Display Type LCD TV LCD TV Built-in Tuner Resolution 1920 x 1080 1920 x 1080 LCD Panel TFT LCD Panel TFT LCD Panel Screen Size 32"/37"/40"/46"...
CN : 3903-000434 Power Cord HK : 3903-000461 LA32C550/LC530/LC360 : BN63-06389A Cover-Bottom LA37C550/LA40C550/LA46C550/LC530 : BN63-06339A Stand BN96-09131D Samsung Electronics Service center Screw 6003-001003 (for the stand - M4, L12) LC550 CN : BN68-02515A(SC) Owner’s Instructions LC550/LC530/LC360 HK : BN68-02515B(ENG) LC550/LC530/LC360 HK : BN68-02515C(TC)
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.
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. 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 LED 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.
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.
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.
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.
4. Troubleshooting 4-3-3 Factory Data Option Factory Name Data Range OPTION Factory Reset NONE/19O6TH0C/19A6TH0C/22I6TH0C/22A6TH0C/22D6TH0C/22P6TH0 C/26A6AH0C/26D6AH0C/26L6AH0C/26P6AH0C/32A6AH0C/32D6AH0C/3 2L6AH0C/32P6AH0C/32A6AF0C/32L6AF0C/32A1AF0C/32L1AF0C/37L6A F0C/37L1AF0C/40A6AF0C/40D6AF0C/40L6AF0C/40A1AF0C/40L1AF0C/4 0A1UF0C/40D1UF0C/40L1UF0C/46A6AF0C/46D6AF0C/46L6AF0C/46A1A Type F0C/46L1AF0C/46A1UF0C/46D1UF0C/46L1UF0C/55A1UF0C/55L1UF0C/ 65L1UF0C/19O6TH0E/22D6TH0E/26D6AH0E/32D6AH0E/32D6UF0E/32A 1UF0E/32D1UF0E/37L6UF0E/37D1UF0E/37L1UF0E/40D6UF0E/40A1UF0 E/40D1UF0E/46D6UF0E/46L6UF0E/46A1UF0E/46D1UF0E/46L1UF0E/55 A1UF0E/55D1UF0E/55L1UF0E/65L1UF0E/42HHcD3/50HHcD4/50FArN4/ 50FArV4/58FArN1/58FArV1/63FArN1/ Local Set LC350/LC450/LC450H/LC451/LC452/LC457H/LC459H/LC480/LC530/LC530H/ LC539H/LC540/LC550/LC570/LC560/LC580/LC610/LC620/LC630/LC631/ LC632/LC633/LC640/LC650/LC652/LC653/LC654/LC670/ UC4000/UC4000H/UC4010/UC5000/UC5100/UC6000/UC6200/UC6300/ UC6400/UC6400H/UC6500/UC6510/UC6530/UC6540/UC6550/ Model LC550 UC6600/UC6620/UC6630/UC6700/UC6730/UC6740/UC6800/UC6830/ UC6900/UC6900H/UC8000/ PC420/PC430/PC431/PC432/PC450/PC451/PC480/PC520/PC530/ PC531/PC540/PC541/PC550/PC551/PC560/PC580/PC590/PC670/ PC6100/PC6400/PC6500/PC7000/PC7700/PC8000 TUNER HummerH3 SEMPT082/SEMPA081/HummerH3/Error...
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4. Troubleshooting Factory Name Data Range EDID EDID ON/OFF EDID WRITE ALL … EDID WRITE PC … EDID WRITE … HDMI EDID WRITE … HDMI1 EDID WRITE … HDMI2 EDID WRITE … HDMI3 EDID WRITE … HDMI4 EDID 1.2 PORT …...
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4. Troubleshooting OTN Server Type operationg operation/development OTN Test Server OFF/ A/B/C/D/E Zone OTN Support ON/OFF OTN Reset not modifyed OTN Duration ON/OFF OTN Fail Test ON/OFF IIC Bus Stop ON/OFF Visual Test Disable fixed T-CON USB Download Failure fixed Emergency Log Copy Checksum 0x0000...
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4. Troubleshooting Factory Name Data Range Hotel Option Hotel Mode SI Vender … Power On … Channel Channel Type … Power On Volume … Min Volume … Max Volume … Panel Button Lock … Power On Source … Factory Name Data Range Shop Option...
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4. Troubleshooting Amp Check Sum 0x00434F05 Woofer Type Woofer Scale 0x0h 0x00~0xff Woofer Check Sum Speaker EQ ON/OFF PEQ Test Amp Model STA369B STA369B/TAS5715/NTP7300 Speaker cut-off Freq 0~16 SPDIF PCM Gain -9dB -10dB~0dB Factory Name Data Range Config Option Num of ATV Num of DTV Num of AV Num of SVIDEO...
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4. Troubleshooting HDMI ROBIN ON/OFF HDMI Callback ON/OFF HDMI CTS Thld 0~15 HDMI CTS Cnt1 0~15 TMDS_EQ2_Boost TMDS_EQ2_Gain TMDS_PLL_Loop TMDS_CPREG_BLEED HDMI EQ AUTO AUTO/LOW/MIDDLE/HIGH/STRONG HDMI Write Type Combine Combine/Separate HDMI Switch SIL9287 NONE/SIL9287/TMDS461 DVI SET TIME 300ms 0~1000ms Type Of PANEL KEY Horizontal Horizontal/Vertical EcoSensor Support...
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4. Troubleshooting Factory Name Data Range Test Pattern Panel Auto Setting Success Panel Display fixed Time Logic Usb D/L Tuner Status Factory Name Data Range Test Pattern Pattern Sel OFF/ White/Grey/Black/Red/Green/Blue FRC PC Mode … ON/OFF Logic Pattern Sel …...
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4. Troubleshooting ISDB-T FFT Size_1 Not modified Guard Interval_1 Not modified Freq. Offset_1 Not modified SNR_1 Not modified IF AGC_1 Not modified TMCC Lock_1 Not modified TS Packet_1 Not modified Master Lock_1 Not modified A_Modulation_1 Not modified A_Code Rate_1 Not modified A_Timer Not modified InterLeave_1...
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4. Troubleshooting ADC/WB Factory Name Data Range ADC/WB ADC Target ADC RESULT White Balance Factory Name Data Range AV Calibration Success Success / Failure Comp Calibration Success Success / Failure PC Calibration Success Success / Failure HDMI Calibration Success Success / Failure Factory Name Data...
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4. Troubleshooting Factory Name Data Range Sub Brigntness 0~255 R_Offset 0~1023 G_Offset 0~1023 B_Offset 0~1023 Contrast R_Gain 0~1023 G_Gain 0~1023 B_Gain 0~1023 Movie R-Offset … Movie B-Offset … Movie R-Gain … Movie B-Gain … 4-38...
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...
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.
4. Troubleshooting 4-7. How To Upgrade Sub Micom With Ddc Manager 4-7-1. TV Sub S/W Order Description Connect DDC MANAGER to the TV Set with D-SUB cable. And Power on. Enter the factory mode. Control - EDID - EDID ON/OFF Select ON. Open the DDC tool.
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4. Troubleshooting Order Description Push the ‘Program’ Button. (It takes quite a bit of time. You can wait or close the DDC tool by force and open tool and load file again.) Push the ‘Program’ Button again. (It takes about 100 seconds.) If update completes, TV set will booting automatically.
4. Troubleshooting 4-8. Mechanical diagram LC530 32" LC530 37" LC530 40" LC530 46" Set with Stand 783.0*220.2*536.2 901.8*240.0*613.6 970.0*240.0*651.7 1102.4*260.1*733.2 (W * D * H) Size [mm] Set without Stand 783.0*76.2*497.5 901.8*76.9*561.8 970.0*78.6*600.1 1102.4*78.7*676.3 (W * d * H1) Set with Stand 10.76 14.24 17.3...
6. Wiring Diagram 6-3. Connector Functions Connector Functions Supply main power and dimming signal from IP board to Main Board. Main CN210 IP CN802 Main CN1405_FHD T-CON CNF1 The LVDS signal transfered from Main Board to Panel . IP CN803 ...