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LCD-TV Chassis : N83B Model : LN26C350D1D LN32C350D1D 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 LN26C350D1D/LN32C350D1D Refer to the service manual in the GSPN (see the rear cover) for the more information.
4-5. White Ratio (Balance) Adjustment ................4-34 4-6. Servicing Information ....................4-35 5. Exploded View & Part List ..................5-1 5-1. LN26C350D1D Exploded View ..................5-1 5-2. LN26C350D1D Parts List ....................5-3 5-3. LN32C350D1D Exploded View ..................5-8 5-4. LN32C350D1D Parts List ..................... 5-10 6.
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. Servicing the LCD TV When servicing the LCD TV, Disconnect the AC line cord from the AC outlet.
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. Product specifications 2-1. Feature & Specifications Model LN26C350D1D Feature Digital-TV, RF, 2-HDMI, 1-Component, 1-A/V, 1-USB2.0, D-SUB, MEDIA PLAY(USB), AUDIO OUT,OPTICAL ሪ Brightness : 400cd/m ሪ Contrast Ratio : 3000:1 ሪ Response time : 8.5ms ሪ Specifications...
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2. Product specifications Model LN32C350D1D Feature Digital-TV, RF, 2-HDMI, 1-Component, 1-A/V, 1-USB2.0, D-SUB, MEDIA PLAY(USB), AUDIO OUT,OPTICAL ሪ Brightness : 400cd/m ሪ Contrast Ratio : 3000:1 ሪ Response time : 8.5ms ሪ Specifications Item Description LCD Panel 32 inch HD 60Hz Scanning Frequency Horizontal : 60 kHz ~ 73 kHz (Automatic) Vertical : 40 Hz ~ 75 Hz (Automatic)
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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. Specification 2-2-1. Comparison to Old Models (O : This model have function I X : This model have not function) Model LC3D(LN**C350D1DXZA) LB3F(LN**B360C5DXZA) Design Display Type LCD TV LCD TV Built-in Tuner Resolution 1366 x 768 1366 x 768 LCD Panel TFT LCD Panel 60Hz...
2. Product specifications 2-2-3. Wall Mount * The wall mount's SCREW point have Filim tape for Dust protection(Panel). So, If User want use Wall mount, Remove Wall mount's Film tape. Model LC3D(LN**C350D1DXZA) LB3F(LN**B360C5DXZA) Wall mount Point * LC3D Model 's Wall mount point have Film tape * The Wall mount point is open 1.
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Code. No Remark Remote Control & Batteries BN59-01006A (AAA x 2) LC350 32" : BN90-02527A Stand LC350 26" : BN90-02526A Samsung Electronics Screw 6002-001294 Service center (for the stand - M4, L16) (LC350 : 3 Screws) LC350 26",32" Owner’s Instructions...
3. Disassembly and Reassembly 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the 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. Remove the 8 screws of rear-cover. - Lift up the rear-cover. 6002-001294 (M4, L16,Tapping) 3. Lift up the rear-cover. 4. Remove the 3 screws of main board and 4 screws of IP board. Caution : This hole is the screw point to assemble the Rear Cover.
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3. Disassembly and Reassembly Description Picture Description Screws 5. Remove the 4 screws of Stand Link. - Lift up the Stand Link. 6003-001188 (M4, L10, TAPTYPE) 6. Remove the 8 screws of Panel. 6002-001294 (M4, L16,Tapping) 6003-001188 (M4, L10, TAPTYPE) 7.
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. • Check to see if the cables are connected according to the connection diagram. Check the power input to the Main Board.
4. Troubleshooting 4-1-1. 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 4-1-2. No Video (Analog PC signal) Symptom Audio is normal but no picture is displayed on the screen. Check the PC source Major Check the Saturn4(IC201). checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Check if the set is in Power indicator LED is off.
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4. Troubleshooting 4-1-3. No video (HDMI - Digital signal) Symptom Audio is normal but no picture is displayed on the screen. Check the HDMI source Major Check the Saturn4(IC201) 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 (Tuner_CVBS) Symptom Audio is normal but no picture is displayed on the screen. Check the Tuner CVBS source Major Check the Tuner (TU601) 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 DTV) Symptom Audio is normal but no picture is displayed on the screen. Check the DTV source Major Check the Tuner (TU601) 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 (Video CVBS) Symptom Audio is normal but no picture is displayed on the screen. Check the Video CVBS source Major Check the Saturn4 (IC201) 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 (Component) Symptom Audio is normal but no picture is displayed on the screen. Check the Component source Major Check the Saturn4(IC201) checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Power indicator LED is off.
4. Troubleshooting 4-1-8. 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 Insert the sound source properly.
4. Troubleshooting 4-2. Alignments and Adjustments 4-2-1. General Alignment Instructions 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 with Factory Remote-control Turn the power on LCD TV SET. To enter ` Service Mode' Press the remote -control keys in this sequence info factory key If you want exit Factory mode, press ' Factory' key in Remote-cotrol.
4. Troubleshooting 4-3-3 Factory Data Option Factory Name Data Range Factory Reset 19O6TH0C, 19A6TH0C, 22P6TH0C, 22D6TH0C, 22I6TH0C, Type 22A6TH0C, 26P6AH0C, 26I6AH0C, 32P6AH0C, 32O6AH0C Model LC350 TUNER Xugang Region Etron Front color S-C-GRAY ADC/WB Factory Name ADC Tarhet ADC RESULT Factory Name Data Range AV Calibration...
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4. Troubleshooting Control Factory Name EDID Sub Option PDP Option Hotel Option Shop Option Sound Test Pattern *EDID Factory Name Data Range 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 Hotel Factory Name Data Range Option Hotel Mode On / Off Power On Channel Power On Band Air / STD / HRC / IRC Power On Source ATV/DTV / Comp1 / PC / HDMI1 / HDMI2 Power On Volume Min Volume Max Volume Panel Button Lock...
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4. Troubleshooting Advanced Factory Name ADJUST ADJUST Factory Name Data Range Uart Select Auto Wall Auto Wall / Debug / MDC / On1 / On2 4-31...
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 Service Adjustment You must perform Calibration in the Lattice Pattern before adjusting the White Balance. Color Calibration Adjust spec.
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4. Troubleshooting Method of Color Calibration (AV) 1) Apply the NTSC Lattice (N0. 3) 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 “Calibration" menu 5) Select the “AV Calibration"...
4. Troubleshooting 4-5. White Ratio (Balance) Adjustment You can adjust the white ratio in factory mode (1:Calibration, 3:White-Balance). Since the adjustment value and the data value vary depending on the input source, you have to adjust these in CVBS, Component 1 and HDMI 1 modes. The optimal values for each mode are configured by default.
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.
5. Exploded View & Part List 5-2. LN26C350D1D Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LN26C350D1DXZA BN90-02519A ASSY COVER FRONT;LC350 26 S.N.A T0527 AA68-03539A LABEL BAR CODE;65X40mm,ART PAPER S.N.A...
5. Exploded View & Part List 5-3-1. LN32C350D1D Parts List Location No. Code No. Description & Specification Q’ty S.A/S.N.A Remark T0003 BN96-12859A ASSY COVER P-FRONT;LC350 32,UO,PC+ABS,V0 T0175 BN96-13058A ASSY SPEAKER P;16ohm,4pin,5W,L:600 R:150 M0215 BN07-00867A LCD-PANEL;T315HA01-DB,CLC4AC1,8bits,32,1 M0174 BN44-00369A IP BOARD-TV;PSIV121510A,I32HD_ASM,11mA,1 M0014 BN94-02649A ASSY PCB MAIN;LC350,N83B M0013...
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5. Exploded View & Part List 5-4. LN32C350D1D Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LN32C350D1DXZA BN90-02520A ASSY COVER FRONT;LC350 32 S.N.A T0527 AA68-03539A LABEL BAR CODE;65X40mm,ART PAPER S.N.A T0003 BN96-12859A...
6. Wiring Diagram 6-3. Connector Functions Connector Functions ↔ Supply main power and dimming signal from IP board to Main Board. CN101 CNM802 ↔ The LVDS signal transfered from Main Board to Panel. CN301 Panel 6-4. Cables Main IP (12P for LC350) Main - TCON 26", 32"...