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TFT-LCD MONITOR

Chassis

Model

GH17A*

171N

GH17L*

171s

(GH17L***J/***)

Manual

SERVICE

TFT-LCD MONITOR

CONTENTS

1. Precautions

2. Product Specifications

3. Disassembly & Reassembly

4. Alignments & Adjustments

5. Troubleshooting

6. Exploded View & Parts List

7. Electrical Parts List

8. Block Diagram

9. Wiring Diagram

10. Schematic Diagrams

11. Panel Description

CONFIDENTIAL

GH17A*

GH17L***J/***

Summary of Contents for SyncMaster 171N

Page 1: ...LCD MONITOR CONTENTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Alignments Adjustments 5 Troubleshooting 6 Exploded View Parts List 7 Electrical Parts List 8 Block Diagram 9 Wiring Diagram 10 Schematic Diagrams 11 Panel Description CONFIDENTIAL GH17A GH17L J ...

Page 2: ...t 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 current measured should not exceed 0 5 milliamp Reverse the powe...

Page 3: ...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 s ground lead last 6 Do not remove ...

Page 4: ...n Green 0 25 V Maximum Pixel Clock rate 135 MHz Active Display Horizontal Vertical 338 3 mm 270 3 mm AC power voltage Frequency AC 90 264 Volts 60 50 Hz 3 Hz Power Consumption 42 W max 40W normal Dimensions Unit W x D x H 14 5 x 7 5 x 12 2 Inches 368 2 x 190 5 x 310 1 mm Carton W x D x H 17 6 x 10 2 x 18 5 Inches 448 x 260 x 470 mm Weight Net Gross Environmental Considerations Operating Temperatur...

Page 5: ...D DDC Return GND GND R GND G GND B DDC Power Input 5V Self Raster GND Bi Dr Data SDA H Sync V Sync DDC Clock SCL Red Green Blue GND DDC Return GND GND R GND G GND B DDC Power Input 5V Self Raster GND Bi Dr Data SDA H V Sync Not Used DDC Clock SCL Red Green H V Sync Blue GND DDC Return GND GND R GND G GND B DDC Power Input 5V Self Raster GND Bi Dr Data SDA Not Used Not Used DDC Clock SCL Sync on gr...

Page 6: ...3 16 660 1 219 2 235 13 003 0 203 75 029 13 328 0 050 0 466 12 795 0 017 78 750 Positive Positive Separate 31 469 31 777 3 813 1 589 26 058 0 318 70 087 14 268 0 064 0 858 13 155 0 191 28 322 Negative Positive Separate fH kHz A µsec B µsec C µsec D µsec E µsec fV Hz O msec P msec Q msec R msec S msec Clock Freq MHz Polarity H Sync V Sync Remark IBM 640 75 Hz 640 x 480 640 85 Hz 640 x 480 800 75 Hz...

Page 7: ...CONFIDENTIAL 2 Product Specifications 2 4 GH17A GH17L J Memo ...

Page 8: ...he Stand Caution Be careful The signal cable and power cable are still attached to the monitor 3 Disconnect the Signal Cable and Power Cord 3 1 2 Main Body Disassembly 1 Pull the Rear Cover up and off the monitor 2 Disconnect the Function PCB wire 8P between the Function PCB and the CN108 connector on the Main PCB 3 Remove 10 screws on the PCB Shield 4 Disconnect 4 Inverter wires between the panel...

Page 9: ... the jig deep in the opening hole 2 Push down the jig and pull up the rear cover till it opens 3 Do the step 2 in opposite side until it opens 4 Rear cover until it opens 3 1 3 Disassembly GH17A Reassembly procedures are in the reverse order of Disassembly procedures ...

Page 10: ... off the monitor 3 Remove 7 screws on the PCB Shield 4 Disconnect the Function PCB wire 10P between the Function PCB and the CN103 connector on the Main PCB 5 Disconnect 4 Inverter wires between the panel and the CN2 3 4 5 connectors on the Inverter PCB 6 Disconnect the Interface wire 30P between the panel and the CN301 connector on the Main PCB 7 Remove 2 screws on the Main PCB and 2 screws on th...

Page 11: ...Memo 3 Disassembly and Reassembly 3 4 GH17A GH17L J CONFIDENTIAL ...

Page 12: ...e monitor Computer with Windows 95 Windows 98 or Windows NT DDC exe software DDC Control JIG 4 2 Using the DDC Control JIG After replacing the AD Board use the DDC Control JIG to complete your service Attach the interface boardver 2 0 to the flat panel monitor FPD as shown in the diagrams below 4 2 1 How to input the EDID data of GH17A GH17L J MONITOR FPD INTERFACE BOARD VER 2 0 PC SIGNAL CABLE D ...

Page 13: ...nd the product data 4 After loading the EDID data you can see the GH17A GH17L J 5 Click F3 and then input the serial number twice 6 If you input the wrong serial number you can see the on the left picture 7 If the DDC Control JIG isn t connected properly you can see the above picture ...

Page 14: ...color is not displayed properly execute Auto color once more 4 3 Monitor status check This section of the service manual explains how to read and write the status of CH17A GH17L J 4 3 1 Required Equipment The following equipment is necessary for checking the monitor status Computer with windows 95 Windows98 or Windows NT Service_500 exe software DDC control JIG 4 3 2 Using the DDC control JIG Atta...

Page 15: ...Memo 4 Alignments and Adjustments 4 4 GH17A GH17L J CONFIDENTIAL ...

Page 16: ... more than 5 seconds the monitor automatically turns back to the factory preset 5 1 1 No Power When Pin 6 of CN102 is 0V does proper DC 12V 5V appear at Pin 1 2 and 7 of CN102 seperately Change power Adaptor Yes No Does proper DC 5 V appear at Pin 3 of IC102 Check IC102 and related circuit Yes No Does proper DC 3 3 V appear at Pin 3 of IC106 Check IC106 and related circuit No Yes Does proper DC 1 ...

Page 17: ...s No Push Power button Does proper 0V at Pin 6 of CN102 Check function PCB Assy and related circuit Yes No Does proper DC 3 3 V appear at Pin 3 of IC106 Check IC106 and related circuit No Yes Does proper DC 1 8 V appear at Pin 4 of IC108 Check IC108 and related circuit No Does proper DC 5 V appear at Pin 3 of IC102 Check IC102 and related circuit No 2V means soft power off or DPMS state ...

Page 18: ...h or not Normal state is high Does the output signal appear at R304 R323 Yes No Check the Power and related circuit No Please check the Inverter and related circuit No There are DC 5V at Pin 1 2 and 3 of CN301 Yes There are DC 12V DC5V and DC 5V at Pin 10 11 12 Pin 7 and Pin 4 of CN104 3 4 5 Does the X201 and X202 oscillate properly Yes There R G B input are at R103 R104 and R105 Replace that or c...

Page 19: ...CONFIDENTIAL 5 Troubleshooting 5 4 GH17A GH17L J WAVEFORMS 1 2 5 6 3 4 ...

Page 20: ...6 Exploded View and Parts List 6 1 GH17A CONFIDENTIAL GH17A GH17L J 6 1 ...

Page 21: ...CONFIDENTIAL 6 Exploded View Parts List 6 2 GH17A GH17L J 6 2 GH17L J ...

Page 22: ...B MC CIS BN46 00014A S W MICOM GH17AS SNA CIS BN97 00117A ASSY SMD GH17AS SNA BD100 3301 000314 CORE FERRITE BEAD AB 120ohm 1 6x0 8x0 8mm 150mA TP FERRITE 0 2ohm SNA BD101 3301 000314 CORE FERRITE BEAD AB 120ohm 1 6x0 8x0 8mm 150mA TP FERRITE 0 2ohm SNA BD102 3301 000314 CORE FERRITE BEAD AB 120ohm 1 6x0 8x0 8mm 150mA TP FERRITE 0 2ohm SNA C101 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C1...

Page 23: ...ERAMIC CHIP 100nF 10 16V X7R TP 1608 C219 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C220 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C221 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C222 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C223 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C224 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C225 2203 005005 C CE...

Page 24: ...005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C305 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C306 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C307 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C308 2203 005437 C CERAMIC CHIP 10000nF 80 20 10V Y5V TP 3216 C309 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C310 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C311 2...

Page 25: ... L201 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L202 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm MP1 0 BN41 00187A PCB MAIN GH17AS FR4 4L 1 0 1 6 125X110 GH17AS SNA Q101 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q103 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 R101 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R102 2007 000074 R CHIP 100ohm 5 1 16...

Page 26: ...hm 5 1 16W DA TP 1608 R253 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R254 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R255 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R256 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R257 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R258 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R259 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R260 2007 000090 R CHIP 10KOH...

Page 27: ...P 1608 R325 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R326 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R327 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R328 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 RA201 2011 001085 R NETWORK 82ohm 5 63mW L CHIP 8P TP RA202 2011 001085 R NETWORK 82ohm 5 63mW L CHIP 8P TP RA203 2011 001085 R NETWORK 82ohm 5 63mW L CHIP 8P TP RA204 2011 001085 R NETWORK 82o...

Page 28: ...NA CIS BN72 60002C LEVER BOTTOM S M170MP PE HD BLUE SNA CIS BN68 00134J LABEL BAR CODE ALL TCO99 ADC ART PAPER 90G WHT BLACK SNA BN69 00369A BOX S M171N W W CB SW4 YEL A 1 L520 W515 H247 SNA BN92 00493A ASSY LABEL GH17ASBS ADC UNITED STATES SNA CIS BN68 00219A LABEL RATING W W BARCODE PE T0 05 60 35 SYNC PE NATURE SNA CIS BN68 00329A LABEL RATING GH17AS W W SYNC PE T0 05 100 45 PE NATURE SNA BN92 ...

Page 29: ...G 173 234 SNA CIS BH68 00344C CARD WARRANTY 00 SECA W TY CRM CARD SECA MOJO100G E F CANADA SNA CIS BH68 00376H MANUAL 00 WINXPINSTALLGUIDE SYNCMASTER ENGLISH W W MOJO100G 148 210 CIS BH69 30348D BAG PE LDPE T0 05 W240 L356 Y CMG73 SNA CIS BN59 00187T S W DRIVER 02 S M181T 191T IB DRIVER W W E F S G P I R SW HU SNA 7 Electrical Parts List 7 8 GH17A GH17L J Loc No Code No Description Specification R...

Page 30: ...0nF 10 16V X7R TP 1608 C108 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C109 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C110 2203 005437 C CERAMIC CHIP 10000nF 80 20 10V Y5V TP 3216 C111 2203 005437 C CERAMIC CHIP 10000nF 80 20 10V Y5V TP 3216 C112 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C113 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C114 2203 005005 C CERAMIC...

Page 31: ...08 C224 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C225 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C226 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C227 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C228 2203 000440 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 C229 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C230 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C2...

Page 32: ...X7R TP 1608 C307 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C308 2203 005437 C CERAMIC CHIP 10000nF 80 20 10V Y5V TP 3216 C309 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C310 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C311 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C312 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C313 2203 005437 C CERAMIC CHIP 10000nF 8...

Page 33: ...10 2x1 25x0 85mm MP1 0 BN41 00195A PCB MAIN GH17LS FR4 4Y MP1 0 1 6 125X110 GH17LS Q101 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q103 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 R101 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R102 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R103 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R104 2007 000070 R CHIP 0ohm 5 ...

Page 34: ...000074 R CHIP 100ohm 5 1 16W DA TP 1608 R239 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R240 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R241 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R242 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R243 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R244 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R245 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R249 2007 ...

Page 35: ... 000072 R CHIP 47ohm 5 1 16W DA TP 1608 R321 2007 000072 R CHIP 47ohm 5 1 16W DA TP 1608 R322 2007 000072 R CHIP 47ohm 5 1 16W DA TP 1608 R323 2007 000072 R CHIP 47ohm 5 1 16W DA TP 1608 R324 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R325 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R326 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R327 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R328 2007 000...

Page 36: ...17 SCREW TAPTITE BH B M3 L6 ZPC YEL SWRCH18A SNA SH PCB FU HAR 6003 000117 SCREW TAPTITE BH B M3 L6 ZPC YEL SWRCH18A SNA C F B GUIDE 6003 000122 SCREW TAPTITE BH B M4 L12 ZPC YEL SWRCH18 C F SH COV 6003 000122 SCREW TAPTITE BH B M4 L12 ZPC YEL SWRCH18 CIS BN39 00243A CBF SIGNAL BU15AO T541A 15P 15P 20276 N 1830MM UL20276 IVORY D SUB MALE DET TYPE CIS BN63 00207A SHIELD TCO ES17AS SUS 304 T0 2 SNA ...

Page 37: ...50 L400000 SNA CIS BH39 10007A CBF POWER CORD DET 250V 6A H05VV F LP 34A KKP CIS BH68 00374A CARD WARRANTY 01 ASC List Samsung ART100G Russian EDC 295 210 SNA CIS BH68 00376H MANUAL 00 WINXPINSTALLGUIDE SYNCMASTER ENGLISH W W MOJO100G 148 210 CIS BH68 00489A MANUAL 01 RUSSIAN W CARD SER RUSSIAN RUSSIA MOJO100G SNA CIS BH68 70438A CARD BLOC WARRANTY 08 TFT LCD BASIC EU MOJO 100G W21 SNA CIS BH68 70...

Page 38: ...CONFIDENTIAL GH17A GH17L J 8 1 8 Block Diagram ...

Page 39: ...CONFIDENTIAL 8 Block Diagrams 8 2 GH17A GH17L J Memo ...

Page 40: ...CONFIDENTIAL GH17A GH17L J 9 1 9 Wiring Diagram CN1 GH17A CN101 GH17L J ...

Page 41: ...Memo 9 Wiring Diagram 9 2 GH17A GH17L J CONFIDENTIAL ...

Page 42: ...00 R162 D111 1 Q102 2SC2412K Q B C E CN107 dcjhp_7 1 2 3 R115 680K 100K 1 16W R131 12V_MAIN 1 47K 1 16W R127 1 A 1 2 B 3 C C170 100pF 50V MO 0 ZD102 1uF C143 R165 C160 10nF 50V C109 100nF R118 0 1 5uH FT110 100 100 5V R116 R125 A 1 B 2 R143 4 7K 1 16W CPU 5V BLM41P600S FT113 A 1 2 B 3 C R132 10K 12 13 14 15 ZD106 RLZ8 2 1 2 3 4 5 6 7 8 9 10 11 D109 MMBD4148SE 1 2 3 d_sub15p CN101 R333 100 100 R332...

Page 43: ... 16W C201 1 16W 1M MO 16V 100nF 4 7K 1 16W R204 CPU 5V 470 R228 R265 10K 47 R274 R262 10K 10K R221 10 R280 R258 0 R207 100 MO 10V 10000nF C244 15K 1 16W R203 C226 100nF 16V MO MO 16V 100nF C212 C245 100nF 16V MO 10V MO C267 100pF 50V MO DVDD_3 3 C266 1uF 50V 12pF C250 100 R239 C246 100nF 16V MO 1 16W 4 7K R202 MO 16V 100nF C204 22pF C256 DVDD_1 8 R235 100 XVDD_1 8 C215 100nF 16V MO 10 1 2 3 4 5 6 ...

Page 44: ...10 Schematic Diagrams GH17A GH17L J 10 3 CONFIDENTIAL 1 2 3 4 5 6 ...

Page 45: ... dcjhp_7 1 2 3 VCC 5V MO 10000nF C137 I2 9 I3 11 I4 13 I5 1 IO 4 O_1 O_2 6 8 O_3 10 O_4 12 O_5 2 O_O 14 5V IC114 MC74F14D 7 GND 3 I1 5 50V 4 7pF C105 100nF C106 100nF C108 C107 100nF 0 1 CPU 5V R171 14 15 1 3 4 5 6 7 8 9 10 11 12 13 d_sub15p CN101 1 2 1 A B 2 C 3 R103 0 DVDD_1 8 ZD102 AVDD_3 3 1uF C148 C101 100pF 50V 0 12V_INVERTER C117 100nF 9 10 11 12 R105 CN108 slcon12p 1 2 3 4 5 6 7 8 1 2 3 4 ...

Page 46: ... 191 DVDD18_21 193 DGND_21 194 DGND_22 200 DGND_23 202 12 DGND_3 100 DGND_4 DGND_5 105 DGND_6 112 122 DGND_7 124 DGND_8 DGND_9 135 DVDD18_1 9 143 DGND_12 149 DGND_13 159 DGND_14 165 DGND_15 167 DGND_16 173 DGND_17 179 DGND_18 181 DGND_19 186 10 DGND_2 DGND_20 192 AVDD33_5 29 AVDD33_6 31 32 AVDD33_7 40 AVDD33_8 58 AVDD33_9 AVDD_10 59 183 CLKIN CLKOUT 182 CSYNC 53 DGND_10 141 DGND_11 85 AVDD18_9 AVD...

Page 47: ...10 Schematic Diagrams 10 6 GH17A GH17L J CONFIDENTIAL 1 2 3 4 5 6 ...

Page 48: ...11 TXIN7 6 TXIN8 TXIN9 7 47 TXOUT0 48 TXOUT0 TXOUT1 45 TXOUT1 46 TXOUT2 41 42 TXOUT2 TXOUT3 37 TXOUT3 38 1 TXIN22 24 25 TXIN23 27 TXIN24 28 TXIN25 TXIN26 30 TXIN27 50 TXIN3 55 TXIN4 56 2 TXIN5 3 TXIN6 4 TXIN12 12 TXIN13 TXIN14 14 TXIN15 15 TXIN16 16 TXIN17 18 TXIN18 19 TXIN19 20 54 TXIN2 22 TXIN20 TXIN21 23 PLLGND1 PLLVCC 34 32 PWRDWN 17 R_FB TXCLKIN 31 TXCLKOUT 39 TXCLKOUT 40 51 TXIN0 TXIN1 52 TX...

Page 49: ...Memo 10 Schematic Diagrams 10 8 GH17A GH17L J CONFIDENTIAL ...

Page 50: ...o Ltd 416 Maetan 3Dong Paldal Gu Suwon City Kyungki Do Korea Printed in Korea P N BN82 00073C 00 http www samsungmonitor com SyncMaster Worldwide http www samsung monitor com SyncMaster USA http www sec co kr monitor Korea ...

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