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Samsung 2333HD Service Manual

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SERVICE
TFT-LCD Monitor
2333HD
Refer to the service manual in the GSPN (see the rear cover) for the more information.
LCD-Monitor
Chassis
: LS23CFV
Model
: 2333HD
Manual
1. Precautions
2. Product specifications
3. Disassembly and Reassemble
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
Contents

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Table of Contents
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  Summary of Contents for Samsung 2333HD

  • Page 1 LCD-Monitor Chassis : LS23CFV Model : 2333HD SERVICE Manual TFT-LCD Monitor Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassemble 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram 2333HD Refer to the service manual in the GSPN (see the rear cover) for the more information.
  • Page 2: Table Of Contents

    Contents 1. Precautions ......................1-1 1-1. Safety Precautions ......................1-1 1-2. Servicing Precautions ..................... 1-2 1-3. Static Electricity Precautions ..................1-2 1-4. Installation Precautions ....................1-3 2. Product specifications .................... 2-1 2-1. Feature & Specifications ....................2-1 2-2. Spec Comparison to the Old Models ................2-3 2-3.
  • Page 3 GSPN (Global Service Partner Network) Area Web Site North America http://service.samsungportal.com Latin America http://latin.samsungportal.com http://cis.samsungportal.com Europe http://europe.samsungportal.com China http://china.samsungportal.com Asia http://asia.samsungportal.com Mideast & Africa http://mea.samsungportal.com © 2009 Samsung Electronics Co.,Ltd. This Service Manual is a property of Samsung Electronics Co.,Ltd. All rights reserved. Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law. P/N: BN82-00606A-00...
  • Page 4: Precautions

    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.
  • Page 5: Servicing Precautions

    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.
  • Page 6: Installation 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.
  • Page 7 1. Precautions Memo...
  • Page 8: Product Specifications

    -The TV utilizes the HDMI system to implement perfect digital sound and picture quality. Specifications Item Description Model 2333HD LCD Panel TFT-LCD Panel, RGB Vertical stripe, normally White, 23-Inch viewable, 0.2655 (H) X 0.2655 (V) mm Pixel Pitch Scanning Frequency...
  • Page 9 2. Product specifications Specifications Item Description Model 2333HD Environmental Considerations Operating Temperature: 50˚C ~ 104˚F(10˚C ~ 40˚C) Operating Humidity : 10% ~ 80% Storage Temperature: -4˚C ~ 113˚C(-20˚C ~ 45˚C) Storage Humidity: 5% ~ 95% Antenna Input 75Ω Sound Characteristic...
  • Page 10: Spec Comparison To The Old Models

    2. Product specifications 2-2. Spec Comparison to the Old Models Model 2333HD(Refresh) 2333HD Design Screen Size 23” 23” Resolution 1920X1080 (FHD) 60Hz 1920X1080 (FHD) 60Hz Brightness 300cd/m2 300cd/m2 Contrast Ratio 1000:1 1000:1 Response Time Viewing Angle Left/Right/Up/Down : 80˚/80˚/80˚/80˚ Left/Right/Up/Down : 80˚/80˚/80˚/80˚...
  • Page 11: Accessories

    Description Ccde. No Remark Remote Control & BN59-00865A Batteries (AAA x 2) Power Cord 3903-000085 Stand Body BN96-07605D Samsung Electronics Service center Stand Base BN96-07604A D-Sub Cable BN39-00244G User’s Guide, Monitor Driver, BN59-00905A Natural Color Pro Software Cleaning Cloth BN63-1798B...
  • Page 12: Disassembly And Assembly

    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.
  • Page 13 3. Disassembly and Assembly Description Photo Screws 3. Insert a flat screwdriver into the groove and then lift up and remove the cover. 4. After remove COVER-REAR, then disconnect SPEAKER , FUNCTION wire. 5. Disconnect LVDS cable from panel.
  • Page 14 3. Disassembly and Assembly Description Photo Screws 6. After disconnecting SHIELD-LAMP of left side, disassemble lamp wire between panel and IP Board. 7. Remove 4 screws of PC and DVI connector. Then, upset the shield. 8. Remove 8 marked SCREW of left picture. Disconnect IP board.
  • Page 15 3. Disassembly and Assembly Description Photo Screws 9. Remove the LCD panel. 10. Remove the WIRE-CONNECTOR from the LED PCB MODULE. 11. Remove the IR-PCB from the HOOK. 12. Remove the KNOB-CONTROL from the COVER- FRONT. 13. Remove the FUNCTION PCB MODULE. The assembly is in the reverse order of disassembly.
  • Page 16: Troubleshooting

    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.
  • Page 17: No Power

    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.
  • Page 18 4. Troubleshooting 4-2-1. Circuit diagrams when the power does not turn on...
  • Page 19: No Video (Analog Pc)

    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.
  • Page 20 4. Troubleshooting 4-3-1. Circuit diagrams and waveforms (Analog) when no screen is displayed on the monitor...
  • Page 21 4. Troubleshooting Analog PC 4-3-2. Waveforms when no screen is displayed ( ① R,G,B Output Signal of IC4010...
  • Page 22: No Video (Digital-Hdmi)

    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.
  • Page 23 4. Troubleshooting (Digital-HDMI) 4-4-1. Circuit diagrams and waveforms when no screen is displayed on the monitor...
  • Page 24 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)
  • Page 25: No Picture (Tuner_Cvbs)

    ⑤ Does the digital data appear Change a main PCB ass’y. at R5055,R5056? 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...
  • Page 26 4. Troubleshooting (Tuner_CVBS) 4-5-1. Circuit diagrams and waveforms when no screen is displayed on the monitor 4-11...
  • Page 27 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...
  • Page 28: No Picture (Tuner_Dtv)

    ④ Does the signal appear at check antenna cable #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...
  • Page 29 4. Troubleshooting (Tuner_DTV) 4-6-1. Circuit diagrams and waveforms when no screen is displayed on the monitor 4-14...
  • Page 30 4. Troubleshooting (Tuner_DTV) 4-6-2. Waveforms when a blank screen is displayed ④ Digital Channel DATA signal 4-15...
  • Page 31: No Sound

    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.
  • Page 32 4. Troubleshooting (No Sound) 4-7-1. Circuit diagrams and waveforms when no screen is displayed on the monitor 4-17...
  • Page 33 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...
  • Page 34: Faults And Corrective Actions

    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.
  • Page 35: Adjustment

    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.
  • Page 36: Service Adjustment

    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.
  • Page 37 4. Troubleshooting 4-11-4. Method of Adjustment 1. Adjust the white balance of AV, Component 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.
  • Page 38: Software Upgrade

    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.
  • Page 39 4. Troubleshooting Main MIcom Upgrade  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 - CREAM-MFM(2333HD):WT61P8 4-24...
  • Page 40 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...
  • Page 41 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 ->...
  • Page 42  1. Select WinISP Menu 2. Make same setting like picture. 3. Choose Device Type. - CREAM-MFM(2333HD):WT61P8 4. Load File ( Select file to download) 5. Set Option to load Binary Files 6. Select files (hex file) 7. Click button to load files...
  • Page 43 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...
  • Page 44: Exploded View & Part List

    5. Exploded View & Part List 5. Exploded View & Part List 5-1. LS23CFVKF/XE - Exploded View...
  • Page 45 5. Exploded View & Part List 5-1-1. LS23CFVKF/XE - Parts List Location No. Code No. Description & Specification Q’ty SA/SNA Remark M0006 BN96-08779B ASSY SHIELD P-COVER;CREAM 23,SECC T0.8,( M0013 BN96-08777H ASSY COVER P-REAR;CREAM 23,EUROPE,ABS,PM M0027 BN96-08346A ASSY STAND P-BASE;LS24CM,ABS HB,BK23,H/G M0028 BN96-08344A ASSY STAND P-BAR;LS24CM,ABS HB,BK23,GLOS...
  • Page 46: Parts Lis

    5. Exploded View & Part List 5-2. LS23CFVKF/XE - Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark BN90-01846B ASSY COVER FRONT;LS23CF,EUROPE T0175 BN96-08732B ASSY SPEAKER P;16ohm,4pin,cream 23”,3W T0003 BN96-08776B ASSY COVER P-FRONT;CREAM 23,ABS,PMMA,BK2...
  • Page 47 BN69-03928A CUSHION-SET;CREAM 23” MFM (STAND ASSIED T0524 6902-001067 BAG PE;HDPE/NITRON,T0.015/T0.5,W700,L600 BN92-04933J ASSY BOX;LS23CFEKFV/XS T0077 BH68-00329D LABEL BAR CODE-02;NO CE,NO WT`Y,MPRII,LA BN69-03944B BOX-SET;2333HD,CB,A-01,SW2, ECT40,YEL,W6 M0245 BN96-02895A ASSY MISC P-01,HANDLE PACKING;ALL MODEL, ...3 BN66-00007A LEVER-TOP;ALL MODEL,LDPE,WHITE,5.8g ...3 BN66-00008A LEVER-BOTTOM;ALL MODEL,LDPE,WHITE,4.01g M0045 BN92-05068Q ASSY ACCESSORY;LS23CFVKF/XE...
  • Page 48 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ...3 0202-001463 SOLDER-WIRE;LFC2-W3.0,-,D3,99.79Sn/0.2Cu 3.617 ...3 0202-001477 SOLDER-CREAM;LST309-M,D20~45um,96.5Sn/3A 3.39 ...3 0202-001608 SOLDER-WIRE FLUX;LFC7-107,D0.8,99.3Sn/0. 0.25 ...3 0204-002420 SOLVENT;1M-1000,C3H70H,96 5.95 ...3 0204-002607 FLUX;DF-234U,13%,14KG,Gravity 0.82 3.874 ...3 3701-001385 CONNECTOR-DSUB;15P,3R,FEMALE,STRAIGHT,AU ...3...
  • Page 49 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..4 T0087 1203-001815 IC-POSI.FIXED REG.;78M09,TO-252,3P,PLAST ..4 T0087 1203-002842 IC-POSI.FIXED REG.;AP1117D-33A,TO-252,3P ..4 IC012 1203-002995 IC-POSI.ADJUST REG.;AP1117D-A,TO-252,3P, ..4 T0170 1203-003059 IC-SWITCH VOL. REG.;MP1583,SOIC,8P,4.9x3 ..4 1203-004363 IC-VOL.
  • Page 50 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..4 ZR16 2007-000839 R-CHIP;39ohm,5%,1/10W,TP,1608 ..4 V8932 2007-000857 R-CHIP;4.3Kohm,1%,1/10W,TP,1608 ..4 AR61 2007-000869 R-CHIP;4.7Kohm,1%,1/10W,TP,1608 ..4 DR37 2007-000932 R-CHIP;470ohm,5%,1/16W,TP,1005 ..4 AR42 2007-000939 R-CHIP;47Kohm,1%,1/10W,TP,1608 ..4 R3508 2007-001038 R-CHIP;56Kohm,1%,1/10W,TP,1608 ..4 AR161...
  • Page 51 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..4 JC31 2203-000715 C-CER,CHIP;3.3nF,10%,50V,X7R,1608 ..4 CK40B 2203-000838 C-CER,CHIP;0.39NF,5%,50V,C0G,TP,1608 ..4 AAC14 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,TP,1608 ..4 C371 2203-001071 C-CER,CHIP;0.056nF,5%,50V,C0G,TP,1608 ..4 C3A09 2203-001103 C-CER,CHIP;6.8nF,10%,50V,X7R,TP,1608 ..4 KAC5 2203-001126 C-CER,CHIP;0.68nF,10%,50V,X7R,1608 ..4 AD480...
  • Page 52 GASKET;POSEIDON,CONDUCTIVE FABRIC,2MM,10 ...3 BN61-02429C STUD-PEM;PNB,M2.8,D7,L10,ZPC(SIL),SUM24L ...3 BN61-02429D STUD-PEM;PNB,M2.8,D7,L20,ZPC(SIL),SUM24L ...3 BN61-02429F STUD-PEM;PNB,M2.8,D7,L28,ZPC(SIL),SUM24L ...3 M0114 BN61-02500A HOLDER-WIRE;NYLON6.6,NATURAL ...3 T0514 BN61-04599A BRACKET-SUPPORT;LS23CF,SECC,1.0 ...3 M0131 BN63-03260A GASKET;CURIE,Polyurethane Foam,8mm,10mm, ...3 T0073 BN63-03589B GASKET-EMI;42Q9,Fabric,4.0mm,20mm,70mm,g ...3 T0073 BN63-04800A GASKET-EMI;T-MFM,Fabric Type,1.5mm,20mm, ...3 M0107 BN63-04448D SHIELD-COVER;2333HD,SECC,0.8,(EU) CCMM1 BN73-00125A SILICON/RUBBER;SPL07,SILICON+ALUMINA,W20...
  • Page 53: Wiring Diagram

    6. Wiring Diagram 6. Wiring Diagram 6-1. Wiring Diagram - Main Board...
  • Page 54 6. Wiring Diagram 6-2. Wiring Diagram - MAIN Board LVDS Connector (Connect to Panel) IP board 3708-001150 3711-005503 3701-001388 3701-001385 3701-001367 3722-000143 3701-001386 3722-002360 3722-002362 RGB Connector DVI-D Connector (PConnect to PC) (Connect to PC)
  • Page 55: Wiring Diagram - Ip Board

    6. Wiring Diagram 6-3. Wiring Diagram - IP Board Power Lamp Connector Connector 9P (Connect with panel (Connect with inverter – left top of MAIN board) panel rear) Lamp Connector (Connect with panel inverter – left bottom of panel rear) AC Power socket...
  • Page 56: Connector Functions

    6. Wiring Diagram 6-4. Connector Functions Connector Functions CN5002 Transmits LVDS signals from the Main board to the panel * When a problem occurs: The Blank Screen and No Power errors may occur. CN3000 VGA signal input terminal * When a problem occurs: The No RGB Output error may occur. CN9001 DVI signal input terminal * When a problem occurs: The No DVI Output error may occur.