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LCD-Monitor Chassis : LS26TDV / LS24TDV Model : T260HD / T240HD SERVICE Manual TFT-LCD Monitor Contens 1. Precautions 2. Product specifications 3. Disassembly and Reassemble 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram T260HD / T240HD Refer to the service manual in the GSPN (see the rear cover) for the more information.
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3. Disassembly and Assembly 3. Disassembly and Assembly This section describes the disassembly and reassembly sequences for this monitor. Warning: As this monitor has parts that are sensitive to static electricity, be careful when handling them. 3-1. Disassembly Caution: 1. Turn the monitor off before beginning the disassembly process. 2.
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3. Disassembly and Assembly Description Photo Screws 2. Remove the cover and the LCD panel using the provided jig on both grooves at the bottom. Caution : Remove the cover and the LCD panel using the provided jig on both grooves at the bottom.
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3. Disassembly and Assembly Description Photo Screws 4. After remove COVER-REAR, then disconnect SPEAKER , FUNCTION wire. 5. Disconnect LVDS cable from panel.
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3. Disassembly and Assembly Description Photo Screws 6. After disconnecting SHIELD-LAMP of left side, disassemble lamp wire between panel and IP Board. Caution : When removing the SHIELD-LAMP, do not remove the GASKET-SHEET from the SHIELD-LAMP. If the GASKET-SHEET is damaged, you will not be able to receive free service.
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3. Disassembly and Assembly Description Photo Screws 8. Remove the LCD panel. 9. Remove the IR module by tilting the left snap to the right. 10. Remove the LED module by sliding the snap designated in the right figure backwards. 11. Remove the holders from the four (4) snaps designated in the right figure using the provided jig.
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3. Disassembly and Assembly Description Photo Screws 12. Remove the two (2) connectors. Caution : Servicing is not supported for the PCB. ▶Assembly 13. The assembly is in the reverse order of the disassembly. 14. Connect the disassembled snap and the LED module again.
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5. Exploded View & Part List 5. Exploded View & Part List 5-1. LS26TDVSUV/EN Exploded View (260HD)
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5. Exploded View & Part List 5-1-1. LS26TDVSUV/EN Parts List (T260HD) Location No. Code No. Description & Specification Q’ty SA/SNA Remark M0006 BN96-07745J ASSY SHIELD P-COVER;LS26TD(MFM),EUROPE,S S.N.A M0013 BN96-07744A ASSY COVER P-REAR;LS26TD(MFM),Europe,PMM M0014 BN94-02507X ASSY PCB MAIN;LS26TDVSUV/EN S.N.A M0027 BN96-07604A ASSY STAND P-BASE;T260,PMMA+ABS HB,RD02,...
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5. Exploded View & Part List 5-2. LS26TDVSUV/EN Parts List (T260HD) Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LS26TDVSUV/ T260HD,WUM2/S26A1-LTD,26,LCD-MO,NETHERLA M0001 BN90-01678A ASSY COVER FRONT;LS26TW(T260),ROSE BLACK S.N.A...
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 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. The increased internal temperature may cause fire.
2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model T260HD / T240HD Feature Supreme Digital Interface & Networking � - With a built-in HD digital tuner, it supports HD broadcasting with no particular set-top box and provides simple access with a single remote control.
2. Product specifications 2-2. Spec Comparison to the Old Models Model T260HD/T240HD(Refresh) T260HD / T240HD Design Screen Size 26” / 24” 26” / 24” Frequency 30 ~ 81 kHz 30 ~ 81 kHz Horizontal 56 ~ 75 Hz 56 ~ 75 Hz...
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Remark Remote Control & BN59-00865A Batteries (AAA x 2) Power Cord 3903-000085 Stand Body BN96-07347B Stand Base BN96-07345A Samsung Electronics Service center D-Sub Cable BN39-00244G CBF SIGNAL-DVI(D) BN39-00246K User’s Guide, Monitor Driver, BN96-11045A Natural Color Pro Software Cleaning Cloth BN63-01798A...
4. Troubleshooting 4. Troubleshooting 4-1. First Checklist for 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 cable connection or a connection is too loose. - Check to see if the cables are connected according to the connection diagram.
4. Troubleshooting 4-2. No Power Symptom Though the power swtich on, the LED power off and the screen is blank. Check Power cable. Check whether the Lamp connector is connected correctly to the IP. Major checkpoints Check whether the power cable is connected correctly to the MAIN. Check whether the Function cable is connected correctly to the MAIN.
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4. Troubleshooting 4-2-1. Circuit diagrams when the power does not turn on...
Does the digital data appear at the Check IC4010. output of RA4000, RA4001? Change a main PBA. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace a lcd panel? Caution Make sure to disconnect the power before working on the IP board.
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4. Troubleshooting 4-3-1. Circuit diagrams and waveforms (Analog) when no screen is displayed on the monitor...
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4. Troubleshooting Analog PC 4-3-2. Waveforms when no screen is displayed ( ① R,G,B Output Signal of IC4010...
INPUT of IC4010 at RA4004, Change a main PBA. RA4005 (HDMI1) or RA4002, RA4003(HDMI2)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel? Caution Make sure to disconnect the power before working on the IP board.
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4. Troubleshooting (Digital-HDMI) 4-4-1. Circuit diagrams and waveforms when no screen is displayed on the monitor...
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4. Troubleshooting Digital-HDMI 4-4-2. Waveforms when a blank screen is displayed ( ② Digital Output Data of IC4010 ③ Signal of HDMI(Data)
⑤ Does the digital data appear Check a IC4010. at R5055,R5056? Change a main PCB ass’y. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel? Caution Make sure to disconnect the power before working on the IP board. 4-10...
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4. Troubleshooting (Tuner_CVBS) 4-5-1. Circuit diagrams and waveforms when no screen is displayed on the monitor 4-11...
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4. Troubleshooting (Tuner_CVBS) 4-5-2. Waveforms when a blank screen is displayed ④ Tuner I2C Data signal. ⑤ Tuner_CVBS Output Signal 4-12...
④ Does the signal appear at #16~25of TU5003? Change a main PBA Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel? Caution Make sure to disconnect the power before working on the IP board. 4-13...
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4. Troubleshooting (Tuner_DTV) 4-6-1. Circuit diagrams and waveforms when no screen is displayed on the monitor 4-14...
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4. Troubleshooting (Tuner_DTV) 4-6-2. Waveforms when a blank screen is displayed ④ Digital Channel DATA signal 4-15...
4. Troubleshooting 4-7. No Sound Symptom The LED power turns on but the screen is blank when the DVI cable is connected. Even though the LED power turns on, the screen is blank when connecting the DVI cable. Check the DVI cable connections. Major checkpoints Check whether the LVDS cable is connected correctly to the panel.
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4. Troubleshooting (No Sound) 4-7-1. Circuit diagrams and waveforms when no screen is displayed on the monitor 4-17...
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4. Troubleshooting (No Sound) 4-7-1. Waveforms when a blank screen is displayed ⑥ The Signal are Inputed to IC9002 ⑦ DC 3.3V 4-18...
4. Troubleshooting 4-8. Faults and Corrective Actions Fault Photo Symptoms and Corrective Actions Remarks Symptoms: DVI signals are not recognized. * Refer to the Training Manual for information on inputting the DVI DDC. Causes: This fault occurs when the PC does not recognize the mode information because the DVI DDC has not been input to the monitor.
4. Troubleshooting 4-9. Adjustment 4-9-1. Service Instruction 1. Usually, a color TV-VCR needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. 2. Use the specified test equipment or its equivalent. 3. Correct impedance matching is essential. 4.
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4. Troubleshooting 4-11. Service Adjustment 4-11-1. White Balance - Calibration If picture color is wrong, do calibration first. Equipment : CA210, Patten : chess pattern Execute calibration in Factory Mode Source AV : PAL composite, Component : 1280*720/60Hz PC : 1024*768/60Hz (Gray patten) 4-11-2.
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4. Troubleshooting 4-11-4. Method of Adjustment 1. Adjust the white balance of AV, Component and DVI Modes. (AV→Component) a) Set the input to the mode in which the adjustment will be made. (RF→DTV→PC→DVI). * Input signal - VIDEO Mode : Model #2 (744*484 Mode), Pattern #16 - DTV,DVI Mode : Model #6 (1280*720 Mode), Pattern #16 - HDMI Mode: Model #6(1280*720 Mode), Pattern #16 b) Enter factory color control, confirm the data.
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4. Troubleshooting 4-12. Software Upgrade 4-12-1. Micom Program Upgrade DDC Manager Connection PC for MCU upgrading Connect to Parallel port 1. Prepare PC to Upgrade the Program. 2. Prepare the DDC Manager 3. Connect D-sub cable to Target Monitor TV 4.
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1. Goto installed Program folder (winDDC_V2-39) 2. Run winDDC 3. Select WinISP Menu 4. Make same setting like picture. 5. Choose Flash memory type - T-MFM(T200HD) : MX25L6405 - T-MFM(T220HD) : MX25L6405 - T-MFM(T240HD) : MX25L6405 - T-MFM(T260HD) : MX25L6405 4-24...
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4. Troubleshooting 6. Load File ( Select file to download) 7. Set Option to load Binary Files 8. Select files (bin file) 9. Click button to load files 10. Select “Flash1” and “Flash2” 4-25...
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4. Troubleshooting 11. Check the OK message (Load) 12. Click Auto Program button 13. If you see OK message (Verify), program download is completed After Upgrading Firmware Factory mode 1. Factory remote control (SET POWER ON ) INFO -> Factory 2) Normal Remote control (SET POWER OFF) INFO ->...
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4. Troubleshooting 8. Check the OK message (Load) 9. Click Auto Program button 10. If you see OK message (Verify), program download is completed 4-28...
6. Wiring Diagram 6-3. Connector Functions Connector Functions CN1005 Transmits LVDS signals from the Main board to the panel * When a problem occurs: The Blank Screen and No Power errors may occur. CN8003 VGA signal input terminal * When a problem occurs: The No RGB Output error may occur. CN901 DVI signal input terminal * When a problem occurs: The No DVI Output error may occur.