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5 Troubleshooting

5-2

MH17WS

6

7

8

9

WAVEFORMS

Power Indicator is green.

Check related circuit of CN101.

Yes

No

Does a signal appear at

C105,C106 and

C107(R,G,B Input)?

Check related circuit of CN101.

Yes

No

Does a signal appear at

R114,R110(H/V Sync)?

Check related circuit of IC300.

Yes

No

Does a signal 

appear at pin 1~20 

of CN301(LVDS output)?

Yes

Replace LCD Panel.

5-2 No Video (PC Signal)

6

8

7

9

Summary of Contents for 730MW - SyncMaster - 17" LCD Monitor

Page 1: ... 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 Schematic Diagrams 11 Panel Description ...

Page 2: ...tories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwheads and control shafts The curre...

Page 3: ...m the AC source and turn the power switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument ...

Page 4: ...W Max 2W Power Dimensions W x D x H Set W x D x H 20 7 x 6 2 x 13 4 Inches 526 x 157 2 x 341 mm 20 7 x 2 4 x 11 5 Inches 526 x 60 3 x 292 mm State of stand disassembled Package W x D x H 24 3 x 8 3 x 16 3 Inches 617 x 212 x 414 mm Weight 5 1 Kg 11 9 Ibs State of stand installed 7 2 Kg 15 9 Ibs Environmental Considerations Operating Temperature 50 F 104 F 10 C 40 C Operating Humidity 10 80 Storage ...

Page 5: ...ertical Sync DDC Clock Red Green Blue GND GND DDC Return GND Red GND Green GND Blue No Connection GND Sync Self Test GND DDC Data H V Sync Not Used DDC Clock Pin No 30 Pin Signal Cable DVI Analog Pin No 30 Pin Signal Cable DVI Analog 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 RX2 RX2 GND RX1 RX1 GND RX0 RX0 GND RXC RXC GND DDC Clock DDC Data GND GND Check D Su...

Page 6: ...he computer industry recognizes as standard for computer generated video signals Table 2 1 Timing Chart Definition of Terms Video HSync Sync Sync Sync Time Blanking Blank Srart Sync Srart Blank Time Back Porch Back Porch Top Left Border Activer Video Bottom Right Border Addressable Video Addr Time Front Porch YSync ...

Page 7: ...2 Product Specifications MH17WS 2 Product Specifications 2 4 Table 2 2 Timing Chart ...

Page 8: ...2 Product Specifications MH17WS 2 5 Table 2 3 Timing Chart ...

Page 9: ...2 Product Specifications MH17WS 2 Product Specifications 2 6 Table 2 2 Timing Chart ...

Page 10: ...ssembly 2 When IP BOARD has a defect the whole PCB ASS Y not a single part should be replaced 3 R Cover opening jig BH81 00001A 1 Place the monitor face down on cushioned table Remove 3 screws from girp on the stand and remove back cover While pressing the back cover lift up the stand See Illustrations 2 Disconnect function cable from the shield and remove 11 screws from the shield 3 Lift up the s...

Page 11: ... 2 MH17WS 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 ...

Page 12: ... to adjust LCD monitor after replacing EEPROM Main PBA or Panel 4 1 DDC jig installation 4 2 How to execute DDC 1 Execute WinDDC exe Monitor need to adjust PC system to input DDC data Parallel Cable 25Pin MTI 2031 DDC Manager Signal Cable Please use DVI cable connection adapter for DVI input ...

Page 13: ...lick Sys Config Select Station Write station 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 ...

Page 14: ...ATIC BLE CUT OFF R R CUT OFF B CUT OFF G CUT OFF WHITE DRIVE R DRIVE B DRIVE G DRIVE LTI LTI CORING LTI GAIN CTI 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 ...

Page 15: ...nts 4 4 730MW 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 ...

Page 16: ...or Board Yes No Does proper DC 3 3V appear at IC5388 Check related circuit of IC600 No Check IC700 VCTI D2 IC202 Micom and IC300 MST51510 Yes Does proper DC 3 3V appear at IC601 Check related circuit of IC601 Yes Yes No Does proper DC 3 3V appear at IC603 Check related circuit of IC603 No 1 2 3 4 5 1 2 3 4 5 WAVEFORMS ...

Page 17: ...of CN101 Yes No Does a signal appear at C105 C106 and C107 R G B Input Check related circuit of CN101 Yes No Does a signal appear at R114 R110 H V Sync Check related circuit of IC300 Yes No Does a signal appear at pin 1 20 of CN301 LVDS output Yes Replace LCD Panel 5 2 No Video PC Signal 6 8 7 9 ...

Page 18: ... CN700 and Tuner Yes No Does a signal appear at PIN71 72 73 74 75 78 79 80 of FT700 Does a signal appear at PIN1 2 of FT700 X6966M Check related circuit of CN1038 Yes Does a signal appear at PIN1 20 of CN301 LVDS output Yes No 5 3 No Picture TV 10 11 9 9 10 11 WAVEFORMS ...

Page 19: ...gnal appear at PIN71 72 73 74 75 78 79 80 of CN501 Does a signal appear at C740 VIDEO C742 C744 S VIDEO C741 SCART Check related circuit IC1700 Yes Yes No Check A V Ass y and CN507 CN701 CN506 No Check IC300 No Yes Does a signal appear at PIN1 20 of CN501 LVDS output Replace LCD Panel 11 9 ...

Page 20: ...FT700 X6966M Check CN700 and Tuner Yes No Does a signal appear at C561 C563 Check related circuit IC700 Yes No Does a signal appear at L500 L501 L502 L503 SL SROUT Check related circuit IC500 Yes No Check the Speaker L R 5 5 No Sound TV 12 10 13 10 12 13 WAVEFORMS ...

Page 21: ... VIDEO C5401 C5399 SCART Check A V Ass y and CN810 Yes No Does a signal appear at R5113 R5114 Check related circuit IC1056 Yes No Does a signal appear at L701 L702 L703 L704 SL SROUT Check related circuit IC1066 Yes No Check the Speaker L R 5 6 No Sound VIDEO S VIDEO SCART ...

Page 22: ...MH17WS 6 1 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 ...

Page 23: ...6 Exploded View Parts List 6 2 MH17WS Memo ...

Page 24: ... SOT 23 TP SA 5 0401 001056 D111 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D112 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D113 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D114 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D115 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D116 DIODE SWITCHING M...

Page 25: ...0 SA 5 0501 002080 Q603 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 SA 5 0501 002080 Q700 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 SA 5 0801 002404 IC503 IC CMOS LOGIC 74VHC4066 ANALOG SWITCH SOP 14 SA 5 0801 002709 IC702 IC CMOS LOGIC 74HC373 DFLIP FLOP TSSOP 20P 173MIL OCTAL TP PLASTIC 3 STATE 0V 40TO 85C 600 SA 5 0801 002899 IC703 IC CMOS LOGIC CD4069UBC INVERTER SOIC 14P 8 7...

Page 26: ...074 R7103 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7109 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7110 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7135 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7136 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7137 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7138 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R7139 R CHIP 100ohm 5 1 1...

Page 27: ...A 5 2007 000090 R615 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R616 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R617 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R623 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R624 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R625 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R626 R CHIP 10Kohm 5 1 10W TP 1608 SA 5 2007 000090 R7130 R CHIP 10Kohm ...

Page 28: ...5V TP 1608 SA 5 2203 000189 C504 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C540 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C541 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C542 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C543 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C545 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C547 C...

Page 29: ...59 C CER CHIP 0 22nF 5 50V NP0 1608 SA 5 2203 005005 C100 C CER CHIP 100nF 10 16V X7R TP 1608 SA 5 2203 005005 C341 C CER CHIP 100nF 10 16V X7R TP 1608 SA 5 2203 005005 C344 C CER CHIP 100nF 10 16V X7R TP 1608 SA 5 2203 005005 C355 C CER CHIP 100nF 10 16V X7R TP 1608 SA 5 2203 005005 C356 C CER CHIP 100nF 10 16V X7R TP 1608 SA 5 2203 005005 C381 C CER CHIP 100nF 10 16V X7R TP 1608 SA 5 2203 005065...

Page 30: ...03 005261 C549 C CER CHIP 1000nF 10 25V X7R 3216 SA 5 2203 005261 C566 C CER CHIP 1000nF 10 25V X7R 3216 SA 5 2203 005437 C546 C CER CHIP 10000nF 80 20 10V Y5V TP 3216 SA 5 2203 006170 C531 C CER CHIP 220NF 10 16V X7R TP 1608 SA 5 2203 006170 C574 C CER CHIP 220NF 10 16V X7R TP 1608 SA 5 2402 001080 C762 C AL SMD 47uF 20 50V WT TP 8x10mm SNA 5 2402 001080 C764 C AL SMD 47uF 20 50V WT TP 8x10mm SNA...

Page 31: ...NECTOR HEADER BOX 3P 1R 2MM SMD A SN WHT SA 5 3711 005292 CN502 CONNECTOR HEADER BOX 3P 1R 2MM SMD A SN WHT SA 5 3711 005472 CN301 CONNECTOR HEADER BOX 20P 1R 1 25mm SMD A Sn Pb IVR SA 5 3711 005477 CN501 CONNECTOR HEADER BOX 4P 1R 2mm SMD A Sn Pb WHT SA 5 BN09 00008A IC700 IC MICOM VCTXYI D2 MH17WS 144 8 7 20 25 20 8 MQFP TR 8 0 to 65 SA 5 BN27 00001A L500 COIL CHOKE 68UH 68UH 10 5845 0 5OHM 7 3X...

Page 32: ...50 SNA 2 BN92 01072J ASSY ACCESSORY MH17WS SNA 3 BN96 01490D UNIT ACCESSORY ASSY ACCESSORY MH17WS SNA 4 3705 001191 ACCESSORY CONNECTOR COAXIAL PAL ADAPTER J P 30mohm SA 4 3903 000042 ACCESSORY CBF POWER CORD DT EU FP3 YES IEC320C13 C14 250 250V 10 16 10A BLK 1830MM H05VV F3X0 75MM 2 SA 4 4301 000121 ACCESSORY BATTERY MN 1 5V AAA 10 5x44 5m HOLDER SA 4 6902 000110 ACCESSORY BAG PE LDPE T0 05 L356 ...

Page 33: ...7 Electrical Parts List 7 10 MH17WS Memo ...

Page 34: ...B ADC ADC SCALER1 SCALER1 TMDS TMDS MS MST5 T515 1510 10 VSP VSP DDP DDP DRX DRX MSP MSP MCU MCU SDA5550 SDA5550 VC VCTI TI Video AV Video AV Tuner Tuner KeyPad IR KeyPad IR HP HP AMP AMP ROM ROM 512kB 512kB PC PC Audio Audio CV BS IN RG B I N CVBS OUT AUDIO IN AUDIO OUT S Video VIDEO AUDIO L AUDIO R FM FMRADIO RADIO ITU656 ITU656 SCALAR2 SCALAR2 DTV DTV COMP COMP AV3 s video video L Audio R AV3 s...

Page 35: ...8 Block Diagrams 8 2 MH17WS Memo ...

Page 36: ...17WS 9 1 9 Wiring Diagram Speaker R Speaker L to Function CTL to PANEL PC Sound EXIT RGB TV ANT to POWER to PC DVI to PC Analog AV INPUT S VIDEO Comp Audio Comp Y Pb Pr FM radio Headphone 9 Wiring Diagram ...

Page 37: ...9 Wiring Diagram 9 2 MH17WS Memo ...

Page 38: ...3 100 R101 T8 5V_IN R115 1 5K 2SC2412K Q Q101 B C E 100 R147 100 C113 1uF R119 100nF C105 D113 R137 T10 47 100 R142 R133 47 3 D119 1 2 3 D100 1 2 R154 10K 1 T6 D124 5V_IN 47 R132 75ohm R108 100 R118 D110 T15 SHORT R111 D109 2 7Kohm R129 100 4 7K SHORT R102 T14 100 R151 C104 4 7pF D108 R103 10K SHORT T12 R117 100 22pF C101 Q100 B C E 2SC2412K Q R148 100 10K R116 1 5V_DDC 18 19 20 21 22 23 24 25 26 ...

Page 39: ...11 Schematic Diagrams 10 2 MH17WS 7 8 ...

Page 40: ...N C205 1uF CN200 slcon10p 1 2 3 4 SHORT T137 T138 SHORT R232 4 7K TP210 1 TP213 1 4 7K R233 4 5 100 R228 slcon5p CN203 1 2 3 T303 SHORT R211 100 4 7K R236 1uF C201 1uF C206 T134 SHORT 3 3V_MAIN TP203 1 ZD200 SHORT TP201 1 TP207 1 T300 L200 1 5uH R241 1K T132 SHORT R229 4 7K R226 100 1K R240 ZD201 SHORT T302 C209 100nF 4 7K R235 TP211 1 TP214 1 SHORT T139 C203 1uF TP208 1 TP205 1 3 3V_MAIN TP204 1 ...

Page 41: ...matic Diagrams 10 4 MH17WS 5V_AVDD 8V_SW_OFF 8V_SW_OFF SHORT T124 C546 10uF 8V_SW_OFF 8V_SW_OFF DTV_ALIN DTV_ARIN 12 13 This Document can not be used without Samsung s authorization 11 3 Part Schematic Diagram ...

Page 42: ...MH17WS 11 Schematic Diagrams 10 5 12 13 ...

Page 43: ... A6 3 DQ1 30 A7 A8 18 CS 19 BA 2 DQ0 A10 AP 20 A0 21 22 A1 23 A2 A3 24 1 10 VSSQ DQ6 11 DQ7 12 VDDQ 13 14 DQML 15 WE 16 CAS RAS 17 KM416S1020BT G F10 IC302 VDD C382 10uF 10V V_FIELD GREEN_IN COM_Y VCT656 0 7 VCT656_CLK Rx0 SCALER_RESET ALE_SCALER RD_SCALER WR_SCALER Rx1 Rx2 R_GND_S Rx2 RED_IN G_GND_S B_GND_S BLUE_IN PC_VSYNC_IN PC_HSYNC_IN RxC RxC COM_PB COM_PR Rx0 Rx1 COM_PB COM_PR COM_Y 9 This D...

Page 44: ...MH17WS 11 Schematic Diagrams 10 7 9 ...

Page 45: ...1 S1 3 S2 BA17805FP IC604 GND 2 IN 1 OUT 3 IC603 SI9933ADY T1 SHORT T34 B C E R602 13V_IN Q602 1 10K 16V 470uF C602 100K R627 100K R613 100nF C603 5V_SW_OFF 100nF C629 GND 1 IN 3 OUT 4 1 AP1117D 18A IC607 BLM41P600S FT600 1 A B 2 1 1 1uF C610 T36 SHORT 5 6K R601 100K R612 3 3V_MAIN E SHORT T181 Q600 B C 10K R600 T32 C640 4 G2 S1 1 S2 3 5V_TUNER SHORT SI9933ADY T1 IC601 8 D1 D1_1 7 6 D2 D2_1 5 2 G1...

Page 46: ...MH17WS 11 Schematic Diagrams 10 9 1 2 3 4 ...

Page 47: ... VSUP3 3BE SCL 40 P21 41 P20 42 P17 43 P16 44 P15 45 P14 46 32 RDQ WRQ 33 OCF 34 ALE 35 RSTQ 36 PWMV 37 DFVBL 38 SDA 39 25 ENEQ ADB12 26 ADB7 27 ADB6 28 ADB5 29 XREF 3 ADB4 30 ADB19 31 18 ADB14 ADB17 19 VRD 2 PSWEQ 20 ADB18 21 ADB16 22 ADB15 23 STOPQ 24 140 GIN BIN 141 SVMOUT 142 ROUT 143 GOUT 144 ADB9 15 ADB8 16 ADB13 17 EW 133 134 RSW2 RSW1 135 SENSE 136 GNDM 137 FBIN 138 RIN 139 ADB11 14 125 VS...

Page 48: ...MH17WS 11 Schematic Diagrams 10 11 10 11 ...

Page 49: ...11 Schematic Diagrams 10 12 MH17WS Memo ...

Page 50: ...10 PCB Layout 10 1 MH17WS X Y ...

Page 51: ...7 D516 DIODE TVS 134 4 21 7 D517 DIODE TVS 117 4 21 7 D518 DIODE TVS 132 2 21 7 D703 DIODE TVS 141 7 22 8 D704 DIODE TVS 144 2 22 7 D705 DIODE TVS 139 7 22 9 D600 DIODE RECTIFIER 36 7 109 3 D700 DIODE ZENER 209 8 48 3 D701 DIODE ZENER 214 3 48 55 ZD700 DIODE ZENER 217 9 119 5 IC700 IC MICOM 131 9 95 4 IC300 IC LCD CONTROLLER 45 7 76 2 IC504 IC AUDIO AMP 173 3 83 4 IC302 IC DRAM 82 2 73 6 IC702 IC ...

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