Samsung 730MW Service Manual
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Samsung 730MW Service Manual

Samsung 730MW Service Manual

Tft-lcd monitor
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SERVICE
TFT-LCD MONITOR
TFT-LCD MONITOR
Chassis
MH17WS
Manual
CONTENTS
4. Alignment & Adjustments
11. Panel Description
Model
730MW

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Summary of Contents for Samsung 730MW

  • Page 1: Table Of Contents

    TFT-LCD MONITOR Chassis Model MH17WS 730MW SERVICE Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10.

  • Page 2: Precautions

    1 Precautions 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the circuit (READING SHOULD board.
  • Page 3 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 4: Product Specifications

    2 Product Specifications 2 Product Specifications 2-1 Specifications Description Item LCD Panel TFT-LCD panel, RGB vertical stripe, normally white, 17-Inch viewable, 0.2895 mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 60 kHz (Automatic) Vertical : 56 Hz ~ 75 Hz (Automatic) Display Colors 16.7 Million colors Maximum Resolution...
  • Page 5 2 Product Specifications 2 Product Specifications 2-2 Pin Assignments 2-2-1 15 Pin signal cable connector Sync 15 Pin signal cable connector Type Separate H/V Composite H/V Pin No. Green Green Blue Blue GND (DDC Return) GND (DDC Return) GND-Red GND-Red GND-Green GND-Green GND-Blue...
  • Page 6 2 Product Specifications 2-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 2-1 Timing Chart Definition of Terms "Activer"Video Blanking Video Back Top/Left "Addressable"Video Bottom/Right Front Back Porch...
  • Page 7 2 Product Specifications 2 Product Specifications Table 2-2 Timing Chart MH17WS...
  • Page 8 2 Product Specifications Table 2-3 Timing Chart MH17WS...
  • Page 9 2 Product Specifications 2 Product Specifications Table 2-2 Timing Chart MH17WS...

  • Page 10: Disassembly & Reassembly

    3 Disassembly and Reassembly 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the MH17WS LCD Monitor. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions: 1.
  • Page 11 3 Disassembly and Reassembly 5. Lift up the PCB board and remove 9 screws from the shield panel. 6. Lift up the shield panel and disconnect panel from the cover front. 3-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. MH17WS...
  • Page 12 4-1 DDC jig installation Monitor (need to adjust) Parallel Cable (25Pin) MTI-2031 PC system DDC Manager (to input DDC data) Signal Cable * Please use DVI cable connection adapter for DVI input. 4-2 How to execute DDC 1. Execute "WinDDC.exe" 730MW...
  • Page 13 Check “Serial No and Week : Don’t change” Click “Save” 3. Click “Open” icon. Select “Connected Port #1” and Next “OK”. * File Name - 730MWA.DDC : Analog 730MWD.DDC : DVI Press enter key on your keyboard. 4. Confirm the “DDC OK”. 730MW...
  • Page 14 LTI GAIN CTI CORING CTI GAIN PEAKING Pos Peak Neg Peak Peak Coring Adjust Misc Brightness Contrast Saturation Tint Int. Brightness VSP Part Brightness Contrast Cb Saturation Cr Saturation Tint Sub Adjust V-Brightness V-Contrast V-Saturation V-Tint D-Brightness D-Contrast D-sharpness D-Saturation 730MW...
  • Page 15 Adjust R Offset G Offset B Offset R Gain G Gain B Gain PC/DTV Auto Color Option Suwon America Suwon Korea Suwon Japan Suwon PAL SESK PAL SEMEX America ..Help Menu Auto-Auto Check Sum Panel Information Reset Bus-Stop 730MW...

  • Page 16: Troubleshooting

    5 Troubleshooting 5 Troubleshooting 5-1 No Power Does proper DC 13V, 5V WAVEFORMS Check Inverter/Adaptor Board. appear at CN601? Does proper DC 3.3V Check related circuit of IC600. appear at IC5388? Does proper DC 3.3V Check related circuit of IC601. appear at IC601? Does proper DC 3.3V Check related circuit of IC603.
  • Page 17 5 Troubleshooting 5-2 No Video (PC Signal) WAVEFORMS Power Indicator is green. Does a signal appear at C105,C106 and Check related circuit of CN101. C107(R,G,B Input)? Does a signal appear at Check related circuit of CN101. R114,R110(H/V Sync)? Does a signal appear at pin 1~20 Check related circuit of IC300.
  • Page 18 5 Troubleshooting 5-3 No Picture (TV) WAVEFORMS Does a signal appear at Check CN700 and Tuner. PIN1, 2 of FT700(X6966M)? Does a signal appear at Check related circuit of (PIN71,72,73, CN1038. 74,75,78,79,80) of FT700? Does a signal appear at PIN1~20 of CN301 Check IC1029.
  • Page 19 5 Troubleshooting 5-4 No Picture (VIDEO/S-VIDEO/SCART ) Does a signal appear at WAVEFORMS Check A/V Ass'y and CN507, C740(VIDEO)/C742,C744(S- CN701, CN506. VIDEO)/C741(SCART)? Does a signal appear at (PIN71,72,73,74, Check related circuit IC1700. 75,78,79,80) of CN501? Does a signal appear at PIN1~20 of CN501 Check IC300.
  • Page 20 5 Troubleshooting 5-5 No Sound(TV) Does a signal WAVEFORMS appear at pin1, 2 Check CN700 and Tuner. of FT700(X6966M)? Does a signal appear at Check related circuit IC700. C561, C563? Does a signal appear at L500,L501,L502,L503 Check related circuit IC500. (SL/SROUT)? Check the Speaker L/R.
  • Page 21 5 Troubleshooting 5-6 No Sound(VIDEO,S-VIDEO,SCART) Does a signal appear at C5402,C5400(VIDEO,S- Check A/V Ass'y and CN810. VIDEO)C5401,C5399(SCART)? Does a signal appear at Check related circuit IC1056. R5113,R5114? Does a signal appear at L701,L702,L703,L704 Check related circuit IC1066. (SL/SROUT)? Check the Speaker L/R. MH17WS...

  • Page 22: Exploded View & Parts List

    6 Exploded View & Parts List 6 Exploded View and Parts List You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ MH17WS...
  • Page 23 6 Exploded View & Parts List Memo MH17WS...

  • Page 24: Electrical Parts List

    7 Electrical Parts List 7 Electrical Parts List You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 7-1 Main PCB Parts Level Loc. No. Code No. Description Specification Remarks MH17WS S4-MH17WS LTM170W1-L01 ZPD BN94-00572A ASSY PCB MAIN...
  • Page 25 7 Electrical Parts List Level Loc. No. Code No. Description Specification Remarks 0406-001163 D303 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D500 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D501 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D502 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D503 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D504 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D505 DIODE-TVS CDS3C05GTA,6.4V/-/-,-,SMD 0406-001163 D506 DIODE-TVS...
  • Page 26 7 Electrical Parts List Level Loc. No. Code No. Description Specification Remarks 2007-000072 R139 R-CHIP 47ohm,5%,1/10W,TP,1608 2007-000074 R101 R-CHIP 100ohm,5%,1/10W,TP,1608 2007-000074 R102 R-CHIP 100ohm,5%,1/10W,TP,1608 2007-000074 R117 R-CHIP 100ohm,5%,1/10W,TP,1608 2007-000074 R118 R-CHIP 100ohm,5%,1/10W,TP,1608 2007-000074 R119 R-CHIP 100ohm,5%,1/10W,TP,1608 2007-000074 R120 R-CHIP 100ohm,5%,1/10W,TP,1608 2007-000074 R123 R-CHIP...
  • Page 27 7 Electrical Parts List Level Loc. No. Code No. Description Specification Remarks 2007-000084 R391 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R393 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R507 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R508 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R509 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R543 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R702 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2007-000084 R7142 R-CHIP...
  • Page 28 7 Electrical Parts List Level Loc. No. Code No. Description Specification Remarks 2007-001164 R122 R-CHIP 75ohm,1%,1/10W,TP,1608 2007-001167 R345 R-CHIP 75ohm,5%,1/10W,TP,1608 2007-001167 R346 R-CHIP 75ohm,5%,1/10W,TP,1608 2007-001167 R347 R-CHIP 75ohm,5%,1/10W,TP,1608 2007-001167 R529 R-CHIP 75ohm,5%,1/10W,TP,1608 2007-001167 R768 R-CHIP 75ohm,5%,1/10W,TP,1608 2007-001167 R769 R-CHIP 75ohm,5%,1/10W,TP,1608 2007-001167 R770 R-CHIP...
  • Page 29 7 Electrical Parts List Level Loc. No. Code No. Description Specification Remarks 2203-000257 C534 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C570 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C576 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C600 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C642 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C700 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C705 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000440 C352 C-CER,CHIP...
  • Page 30 7 Electrical Parts List Level Loc. No. Code No. Description Specification Remarks 2203-005065 C371 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C372 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C373 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C374 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C375 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C376 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C377 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 2203-005065 C379 C-CER,CHIP...
  • Page 31 68UH,68UH,10%,5845,0.5OHM,7.3X7.3X3.3MM,REEL BN27-00001A L503 COIL CHOKE 68UH,68UH,10%,5845,0.5OHM,7.3X7.3X3.3MM,REEL BN27-00009A L600 COIL CHOKE SMD 12X12X6,EOS,33UH,15%,-,0.12 MAX,2A,DR10X5.0MM,18.5TS,12X12X6,1.8MM,1UEW 0. BN27-00017A L700 COIL CHOKE-SMD PO5845-330,LT17N2,33uH,10%,0.3ohm,1A,DR5845,35.5Ts,6*5.2*4.5,1.5mm,TP BN41-00513A MP1.0 PCB MAIN 730MW,FR4,1.0,1.6,234*142*1.6,730MW BN91-00807J ASSY SHIELD MH17WS 6003-000117 SH/PAN+M/PCB SCREW-TAPTITE BH,+,B,M3,L6,ZPC(YEL),SWRCH18A 6003-000117 SH/PAN+POW/PCB SCREW-TAPTITE BH,+,B,M3,L6,ZPC(YEL),SWRCH18A 6003-000117 SH/PAN+SH/PCB SCREW-TAPTITE BH,+,B,M3,L6,ZPC(YEL),SWRCH18A...
  • Page 32 Code No. Description Specification Remarks BN90-00659K ASSY COVER FRONT MH17WS 6003-001003 C/F+C/R SCREW-TAPTITE BH,+,B,M4,L12,ZPC(BLK),SWRCH18 BN96-01295A ASSY COVER P-FRONT 730MW,ABS HB GR70 BN90-00663A ASSY COVER REAR MH17WS BN96-01435A ASSY STAND P-SET MH17WS,ABS+BIE BN91-00567J ASSY LCD NK17,S4 BN07-00112A LTM170W1-L01,LSA,8BIT,404*258*16.2,16.7M,30,-,-,AMLCD/2 LVDS,- BN91-00801U ASSY CHASSIS...
  • Page 33 7 Electrical Parts List Memo 7-10 MH17WS...

  • Page 34: Block Diagram

    8 Block Diagrams 8 Block Diagram This Document can not be used without Samsung’s authorization. s-video video L-Audio-R MH17WS...
  • Page 35 8 Block Diagrams Memo MH17WS...

  • Page 36: Wiring Diagram

    9 Wiring Diagram 9 Wiring Diagram Speaker-L EXIT(RGB) to Function CTL Speaker-R to PANEL PC Sound to POWER TV ANT. to PC(DVI) to PC(Analog) AV INPUT S-VIDEO Comp. Audio Comp. Y,Pb,Pr FM radio Headphone MH17WS...
  • Page 37 9 Wiring Diagram Memo MH17WS...

  • Page 38: Schematic Diagrams

    11 Schematic Diagrams 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. +5V_DDC +5V_IN 11-1 Part Schematic Diagram D100 C100 IC100 R110 R111 D102 100nF AT24C02N-10SC 2.7Kohm SHORT PC_VSYNC_IN E_DDC_CTL SHORT PC_HSYNC_IN R114 R115 R116 1.5K C101...
  • Page 39 11 Schematic Diagrams 10-2 MH17WS...
  • Page 40 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-2 Part Schematic Diagram +3.3V_MAIN T132 SHORT R211 LEDGRN TP200 R212 LEDRED TP201 T133 SHORT TP203 T134 SHORT TP204 T135 SHORT 1.5uH L200 IRRCVR TP205 T136 SHORT TP206...
  • Page 41 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-3 Part Schematic Diagram DTV_ARIN DTV_ALIN +8V_SW_OFF +8V_SW_OFF +8V_SW_OFF +8V_SW_OFF T124 SHORT C546 10uF +5V_AVDD 10-4 MH17WS...
  • Page 42 11 Schematic Diagrams MH17WS 10-5...
  • Page 43 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-4 Part Schematic Diagram IC302 KM416S1020BT-G/F10 DQ15 DQ14 VSSQ VSSQ DQ13 DQ12 VDDQ VDDQ Rx2+ DQ11 Rx2- DQ10 Rx1+ VSSQ VSSQ Rx1- Rx0+ Rx0- VDDQ VDDQ RxC+ DQML...
  • Page 44 11 Schematic Diagrams MH17WS 10-7...
  • Page 45 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-5 Part Schematic Diagram +5V_IN SHORT BL_EN BL_BRT SHORT C627 C629 100uF 100nF 16.000 C628 +13V_IN 100nF SHORT C631 C632 C633 100uF 100nF 100nF slcon9p SHORT CN600 +13V_IN +3.3V_MAIN...
  • Page 46 11 Schematic Diagrams MH17WS 10-9...
  • Page 47 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-6 Part Schematic Diagram +33V_T +5V_TUNER 3.3V_VCTI VSUP3.3DAC VSUP5.0BE VSUP5.0IF SHORT L700 SHORT R703 VSUP5.0FE 33uH 8.2Kohm C710 SHORT CN700 ACB1608L-030-T slcon11p BD700 SHORT TAGC +8V_TUNER T180 VSUP8.0VAU...
  • Page 48 11 Schematic Diagrams MH17WS 10-11...
  • Page 49 11 Schematic Diagrams Memo 10-12 MH17WS...
  • Page 50 10 PCB Layout MH17WS 10-1...
  • Page 51 10 PCB Layout D600 DIODE-RECTIFIER 36.7 109.3 D700 DIODE-ZENER 209.8 48.3 D101 DIODE-SWITCHING 96.2 15.5 D701 DIODE-ZENER 214.3 48.55 D103 DIODE-SWITCHING 76.4 53.85 ZD700 DIODE-ZENER 217.9 119.5 D104 DIODE-SWITCHING 76.4 42.7 D105 DIODE-SWITCHING 76.4 48.35 D111 DIODE-SWITCHING 27.7 IC700 IC MICOM 131.9 95.4 D112...

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