Samsung 191T - SyncMaster 19" LCD Monitor Serivce Manual Download | Manualshive

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CONFIDENTIAL

9 Schematic Diagrams

9-8

GH19B*

Memo

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Summary of Contents for 191T - SyncMaster 19" LCD Monitor

Page 1: ...VICE TFT LCD MONITOR CONTENTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Parts List 6 Electrical Parts List 7 Block Diagram 8 Wiring Diagram 9 Sc...

Page 2: ...iances and Underwriters Laboratories 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...

Page 3: ...witch 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 great...

Page 4: ...play 376 32 3 mm Horizontal Vertical 301 056 3 mm AC power voltage Frequency AC 90 264 Volts 60 50 Hz 3 Hz Power Consumption 40 W max Dimensions Unit W x D x H 416 3 x 190 3 x 408 5 mm 16 4 x 7 5 x 16...

Page 5: ...Pin DVI D TMDS 2 2 Pin Assignments Sync Type Pin No 15 Pin D Sub Signal Cable Connector Separate Composite 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Green Blue GND GND DDC Return GND Red GND Green GND...

Page 6: ...AL Frequency Total time Active time Blank time Border L R Data time Front porch Sync width Back porch Sync polarity 63 981kHz 11 852 s 9 259 s 3 778 s 0 000 s 9 259 s 0 444 s 1 037 s 2 296 s Positive...

Page 7: ...0 000 20 317 0 508 2 032 3 810 Negative VERTICAL Frequency Total time Active time Blank time Border T B Data time Front porch Sync width Back porch Sync polarity 70 086Hz 14 268ms 11 504ms 2 764ms 0 1...

Page 8: ...1 000 3 200 2 200 Positive VERTICAL Frequency Total time Active time Blank time Border T B Data time Front porch Sync width Back porch Sync polarity 85 008Hz 11 764ms 11 093ms 0 671ms 0 000ms 11 093m...

Page 9: ...rder T B Data time Front porch Sync width Back porch Sync polarity 72 188Hz 13 853ms 12 480ms 1 373ms 0 000ms 12 480ms 0 770ms 0 125ms 0 478ms Positive 75 000Hz 13 333ms 12 800ms 0 533ms 0 000ms 12 80...

Page 10: ...ositive 81 129kHz 1664 pixels 1280 pixels 32 pixels 64 pixels 288 pixels Negative VERTICAL Frequency Total time Active time Blank time Border T B Data time Front porch Sync width Back porch Sync polar...

Page 11: ...Memo 2 Product Specifications 2 8 GH19B CONFIDENTIAL...

Page 12: ...ons 1 Disconnect the monitor from the power source before disassembly 2 Follow these directions carefully never use metal instruments to pry apart the cabinet 1 Put the jig into the left openning hole...

Page 13: ...ront Cover until the snap opens 5 Put the jig into the gap between the right side of the panel the and Front Cover and tilt up Front Cover until the snap opens 6 After pushing the right bottom of the...

Page 14: ...s not develop Main PCB 4 If you push and hold the Exit button for more than 5 seconds the monitor automatically turns back to the factory preset 4 1 1 No Power Does proper DC 12V appear at Pin 1 2 of...

Page 15: ...C301 and related circuit No Yes During power on off does the input signal appear at Pin 14 15 17 18 20 21 of IC521 HCLK HFS HDATA 0 HDATA 1 HDATA 2 HDATA 3 Yes Does the video signal appear at the outp...

Page 16: ...nd related circuit No Yes Does the video signal appear at the output port 12 15 14 13 No 4 3 2 1 Does the video signal appear at the Pin 48 47 46 45 42 41 40 39 38 and 37of IC401 Yes Does porper High...

Page 17: ...4 Troubleshooting 4 4 GH19B CONFIDENTIAL 4 5 6 7 8 9 10 11 12 13 14 15...

Page 18: ...g GH19B 4 5 CONFIDENTIAL 4 1 4 No Sound Does proper DC 12V appear at Pin 7 8 of Q109 Check Q109 and related circuit Yes No Does proper DC 12V appear at Pin1 of CN504 Check IC741 and related circuit Ye...

Page 19: ...Memo 4 Troubleshooting 4 6 GH19B CONFIDENTIAL...

Page 20: ...CONFIDENTIAL GH19B 5 1 5 Exploded View and Parts List...

Page 21: ...CONFIDENTIAL 5 Exploded View Parts List 5 2 GH19B Memo...

Page 22: ...PC YEL SWRCH18 SNA SH PCB SH D_SUB 6003 000117 SCREW TAPTITE BH B M3 L6 ZPC YEL SWRCH18A SNA SH PCB SH POW 6003 000117 SCREW TAPTITE BH B M3 L6 ZPC YEL SWRCH18A SNA SH PCB SMPS 6003 000264 SCREW TAPTI...

Page 23: ...2nF 5 50V NP0 TP 1608 C347 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 C348 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 C351 2402 000135 C AL SMD 22uF 20 16V GP TP 5 3x5 3x5 4 C352 220...

Page 24: ...22nF 5 50V NP0 TP 1608 C644 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 C645 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 C646 2203 001607 C CERAMIC CHIP 0 22nF 5 50V NP0 TP 1608 C647...

Page 25: ...01056 DIODE SWITCHING MMBD4148SE 75V 200MA SOT 23 TP D253 0401 001056 DIODE SWITCHING MMBD4148SE 75V 200MA SOT 23 TP D254 0401 001056 DIODE SWITCHING MMBD4148SE 75V 200MA SOT 23 TP D255 0401 001056 DI...

Page 26: ...0 R CHIP 10KOHM 5 1 16W DA TP 1608 JP12 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 JP14 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 JP15 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 JP17 2007 00009...

Page 27: ...hm 5 1 16W DA TP 1608 R592 2007 000124 R CHIP 2 2Kohm 5 1 16W DA TP 1608 R655 2007 001167 R CHIP 75ohm 5 1 16W DA TP 1608 R664 2007 000118 R CHIP 390ohm 5 1 16W DA TP 1608 R665 2007 000074 R CHIP 100o...

Page 28: ...16W DA TP 1608 R739 2007 001044 R CHIP 56ohm 5 1 16W DA TP 1608 R740 2007 001044 R CHIP 56ohm 5 1 16W DA TP 1608 R741 2007 001044 R CHIP 56ohm 5 1 16W DA TP 1608 R742 2007 001044 R CHIP 56ohm 5 1 16W...

Page 29: ...0355A CARD WARRANTY CASE CSK5577J LR SEJ JAPAN J SNA CIS BH68 70431A CARD WARRANTY SAMSUNG 400TFT SEJ JAPAN MOJO SNA CIS BH75 10529C UNIT HANDLE PACKING S M170MP PE LD PE HD WHITE SNA CIS BN72 60001A...

Page 30: ...7 Block Diagram GH19B 7 1 CONFIDENTIAL...

Page 31: ...CONFIDENTIAL 7 Block Diagrams 7 2 GH19B Memo...

Page 32: ...16 17 18 19 20 21 22 23 24 RX0 DGND NC NC DGND RXC RXC RX0 CHK_DVI NC DDC POWER INPUT 5V CONNECTION SIGNAL OUTPUT 5V 1 2 10 3 4 5 6 7 8 9 GND GND GND DDC_DC 5V SELF TEST GND GND CN201 11 12 13 14 15 G...

Page 33: ...CONFIDENTIAL 8 Wiring Diagram 8 2 GH19B Memo...

Page 34: ...ummy Place Bottom of PCB A9 1 1 120ohm 120ohm A3 0 1 FSADDR I2C 6 WIRE A6 0 0 A12 0 0 A10 1 1 Place near of Scaler A5 1 0 A0 0 1 A13 1 1 120ohm 120ohm 120ohm 120ohm EMI Dummy Place Bottom of PCB A1 1...

Page 35: ...9 Schematic Diagrams 9 2 GH19B 12 13 14 15 CONFIDENTIAL...

Page 36: ...0V 100pF C252 BZX84C5V1 D206 5 6 7 8 9 10 11 slcon11p CN505 1 2 3 4 1 16V 100nF C545 5V_M TP1471 C693 10nF C694 1 TP1469 1 10nF 12 O_5 2 O_O 14 VCC TP1470 GND 3 I1 5 I2 9 I3 11 I4 13 I5 IO 1 4 O_1 6 O...

Page 37: ...CONFIDENTIAL 9 Schematic Diagrams 9 4 GH19B 10 11...

Page 38: ...37 NC1 33 17 RAS 36 UDQM 1 2 3 DQ1 42 DQ10 DQ11 43 45 DQ12 46 DQ13 48 DQ14 DQ15 49 DQ2 5 6 DQ3 8 DQ4 27 28 A5 A6 29 30 A7 31 A8 32 A9 19 BA 16 CAS 34 CKE CLK 35 CS 18 DQ0 IC514 A0 21 22 A1 A10 20 A2...

Page 39: ...CONFIDENTIAL 9 Schematic Diagrams 9 6 GH19B 1 2 3 4 6 7 8 9 5...

Page 40: ...3 8 D1 D1_1 7 6 D2 D2_1 5 2 G1 4 G2 S1 1 S2 3 DVDD_2 5 SI9933ADY T1 Q109 MO 16V 100nF C303 3 3V C311 220pF D2 D2_1 5 2 G1 4 G2 S1 1 S2 3 SI9933ADY T1 IC524 8 D1 D1_1 7 6 C364 100nF 16V MO 47uF C671 MO...

Page 41: ...CONFIDENTIAL 9 Schematic Diagrams 9 8 GH19B Memo...

Page 42: ...Ltd 416 Maetan 3Dong Paldal Gu Suwon City Kyungki Do Korea Printed in Korea P N BN82 00073A 00 http www samsungmonitor com SyncMaster Worldwide http www samsung monitor com SyncMaster USA http www se...

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