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TFT-LCD MONITOR

GD15N*/GD15A*

Manual

SERVICE

TFT-LCD MONITOR

CONTENTS

Exit

PIP

Source

VOL

SyncMaster 150MP

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

CONFIDENTIAL

Summary of Contents for GD15A Series

Page 1: ... Source TV V2 V1 PC VOL SyncMaster 150MP 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 CONFIDENTIAL ...

Page 2: ... 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 power plug prongs in the AC outlet...

Page 3: ...ts 60 50 Hz 3 Hz Power Consumption 42 W max Dimensions Unit W x D x H 15 0 x 2 2 x 15 0 Inches 382 x 57 x 380 mm Carton W x D x H 19 1 x 8 0 x 20 6 Inches 486 x 203 x 522 mm Weight Net Gross 4 4 kg 9 7 Ibs 7 0 kg 15 4 Ibs GD15N GD15A TV System Tunning Frequency Synthesize Frequency Synthesize Color NTSC PAL Sound BTSC A2 STEREO FM FM NICAM A2 STEREO Antena Input 75Ω Coaxial Cable MAX Internal spea...

Page 4: ...the Stand assembly 6 Remove 5 screws on the Vesa Brkt from the Stand assembly 7 Remove cover hinge from the Stand assembly 8 Remove Stand Base from the Stand assembly 3 1 4 Pivot Multi media Stand Disassembly option 1 Stand the stand assembly with the base close to you 2 Remove the 4 screws on the back cover of the stand and remove it 3 Stand the stand assembly upside down 4 Remove the 4 screws 5 ...

Page 5: ...tching is essential 4 Avoid overload Excessive signal from a sweep generator might overload the front end of the TV When inserting signal markers do not allow the marker generator to distort test result 5 Connect the TV only to an DC power source with voltage and frequency as specified on the backcover nameplate 6 Do not attempt to connect or disconnect any wire while the TV is turned on Make sure...

Page 6: ...ar at DC jack connected to CN101 Check SMPS PCB and Adapter Yes No Does proper DC 5 V appear at Pin 4 of IC101 Check IC101 Check IC201 Yes No Does proper DC 2 5 V appear at Pin 2 4 of IC109 IC104 Check IC199 IC104 Yes No Does proper DC 3 3 V appear at Pin 3 of IC103 Check IC103 Yes No ...

Page 7: ...CONFIDENTIAL GD15N GD15A 6 1 6 Exploded View and Parts List ...

Page 8: ...AXIAL 10uH 10 2 5x3 4mm L409 2701 000114 INDUCTOR AXIAL 10uH 10 2 5x3 4mm L410 2701 000146 INDUCTOR AXIAL 2 2uH 10 2 5x3 4mm L411 2701 000146 INDUCTOR AXIAL 2 2uH 10 2 5x3 4mm L412 2701 000146 INDUCTOR AXIAL 2 2uH 10 2 5x3 4mm BN97 00054W ASSY MICOM GD15NS IC203 1102 001097 IC EPROM 27C010 128KX8BIT PLCC 32P 90NS 5V 10 PLASTIC 0TO 70C 0 1MA CMOS TR CIS BN46 00008U MICOM S W GD15NS SNA BN97 00074A ...

Page 9: ...8 Block Diagram GD15N GD15A 8 1 CONFIDENTIAL ...

Page 10: ...CONFIDENTIAL GD15N GD15A 9 1 9 Wiring Diagram ...

Page 11: ...C_VSYNC_IN DDC_SCL DDC_SDA RXD RED1N GREEN1N BLUE1N BL_IN SW_REG_EN MCU_RST TXD RED1N BL_CNT INVERTER_GND PANEL_EN BL_EN BL_CNT BLUE1N GREEN1N INVERTER_GND SS24 D105 C130 100nF 10nF C118 R107 C110 100uF L110 4 7K GND 3 F_B 4 IC102 3 3V_D LM2596S 3 3 Vin 1 2 OUT 5 ON_OFF GND1 6 14V_IN 100uF C104 R120 100 C134 100 D101 SS24 R121 C119 1uF MO 1 5uH 5V_CPU 10nF L107 L106 L108 1 5uH 1 5uH ZD101 2 5V_A_J...

Page 12: ...Samsung Electronics Co Ltd GD15N GD15A Service Manual First edition January 2002 Printed in Korea Trademarks Samsung is the registered trademark of Samsung Electronics Co Ltd GD15N GD15A and MacMaster Cable Adapter are trademarks of Samsung Electronics Co Ltd Macintosh Centris Quadra Duo Douk and Power Macintosh are trademarks of Apple Computer Inc All other trademarks are the property of their re...

Page 13: ...10 Schematic Diagrams 10 2 GD15N GD15A CONFIDENTIAL 1 2 3 ...

Page 14: ...3 P0_4 39 P0_5 38 TS80C32X2 MCB R235 100 TP210 1 TP209 1 TP211 1 100 R236 100 R233 R239 TP206 1 TP219 1 100 100 TP207 1 A13 29 A14 30 NC A17 31 WE 32 VCC R238 DQ6 21 DQ7 22 CE 23 A10 24 OE 25 A11 26 A9 27 A8 28 12 A0 13 DQ0 14 DQ1 15 DQ2 16 VSS 17 DQ3 18 DQ4 19 DQ5 20 4 A12 5 A7 6 A6 7 A5 8 A4 9 A3 10 A2 11 A1 20 T AT27C010 90JC IC203 1 VPP 2 A16 3 A15 12 L 13 M 14 N O 15 P 16 Q 17 R 18 19 S 4 D 5...

Page 15: ...10 Schematic Diagrams 10 4 GD15N GD15A CONFIDENTIAL 4 ...

Page 16: ...2 PD43 AE11 AF11 PD44 PD45 AC12 AD12 PD46 PD47 AE12 PD5 AC15 AD15 PD6 PD60 AD7 PD30 PD31 AE7 AF7 PD32 PD33 AD8 PD34 AE8 PD35 AC9 AD9 PD36 PD37 AE9 PD38 AF9 PD39 AC10 AF14 PD20 PD21 AE19 AD20 PD22 PD23 AE20 AF5 PD24 PD25 AC6 AD6 PD26 PD27 AE6 AF6 PD28 PD29 AC7 PD3 AE14 PD10 AE16 PD11 AD17 PD12 PD13 AE17 AF17 PD14 PD15 AC18 AD18 PD16 PD17 AE18 AF18 PD18 PD19 AC19 AD14 PD2 AD19 AE5 PCFIELD_GPIO3 AB2 ...

Page 17: ...10 Schematic Diagrams 10 6 GD15N GD15A CONFIDENTIAL 5 6 7 8 ...

Page 18: ...3 HB 1M2012 800JT B HB 1M2012 800JT R426 10K 100nF 2 2uH L411 R428 C457 100nF C456 4 7K C442 220nF R452 75 C455 100nF 4 7K R427 R415 100 E 75 R458 1K R435 Q402 2SC2412K Q B C 100 R413 C411 22uF R434 1K 75 R457 C454 33pF 75 R456 R433 1K C453 33pF TP401 1 33pF C452 1 TP404 1 C401 22pF C451 33pF TP403 3 3V_D C406 470 R442 R412 10uF 75 R453 100 100uF C412 12pF 10nF C423 MO 12pF C414 C415 470nF C429 C4...

Page 19: ...10 Schematic Diagrams 10 8 GD15N GD15A CONFIDENTIAL 9 10 ...

Page 20: ...6 1nF 14V_AUDIO 10uF C509 C532 100nF 100nF C533 100uF C505 18K R514 R513 18K 1nF C516 C517 1nF 1uF C515 R502 C519 10K C518 1nF 1nF 100K R525 A 1 2 B C 3 22uF C506 RLZ8 2 ZD503 1 A 2 B C 3 RLZ8 2 ZD504 RLZ8 2 ZD502 1 A B 2 C 3 ZD501 RLZ8 2 A 1 B 2 C 3 50V 3 3uF C508 C542 330nF 0 002nF C544 C545 47nF 470uF C504 C514 1uF 470uF C503 470uF 12 8 N_C OUTL 17 OUTR 14 STBY 11 SVR 10 5 VAROUT_L 7 VAROUT_R 6...

Page 21: ...10 Schematic Diagrams 10 10 GD15N GD15A CONFIDENTIAL 11 ...

Page 22: ...Memo 9 Wiring Diagram 9 2 GD15N GD15A CONFIDENTIAL ...

Page 23: ...Memo 8 Block Diagrams 8 2 GD15N GD15A CONFIDENTIAL ...

Page 24: ...nF 10 50V X7R TP 1608 C123 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C124 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C125 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C126 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C127 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C128 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C129 2203 000189 C CERAMIC...

Page 25: ...015nF 5 50V NP0 TP 1608 C227 2203 000384 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1608 C301 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C302 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C303 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C304 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C305 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C306 2402 000108 C AL SMD 10uF 20 ...

Page 26: ...189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C350 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C351 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C352 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C353 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C354 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 C355 2203 000189 C CERAMIC CHIP 100nF 80 20 25V Y5V T...

Page 27: ...5V TP 1608 C427 2203 001652 C CERAMIC CHIP 470nF 80 20 16V Y5V TP 1608 C428 2203 001652 C CERAMIC CHIP 470nF 80 20 16V Y5V TP 1608 C429 2203 001652 C CERAMIC CHIP 470nF 80 20 16V Y5V TP 1608 C430 2203 000140 C CERAMIC CHIP 1 5nF 10 50V X7R TP 1608 C431 2203 000140 C CERAMIC CHIP 1 5nF 10 50V X7R TP 1608 C432 2203 000140 C CERAMIC CHIP 1 5nF 10 50V X7R TP 1608 C433 2203 000140 C CERAMIC CHIP 1 5nF ...

Page 28: ...0144 C AL SMD 3 3uF 20 50V GP TP 4 3x4 3x5 C509 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C510 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C511 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C512 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C513 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C514 2402 000170 C AL SMD 1uF 20 50V GP TP 4 3x4 3x5 4 C515 2402 000170 C AL ...

Page 29: ...G MMBD4148SE 75V 200MA SOT 23 TP D403 0401 001056 DIODE SWITCHING MMBD4148SE 75V 200MA SOT 23 TP D404 0401 001056 DIODE SWITCHING MMBD4148SE 75V 200MA SOT 23 TP D405 0403 001382 DIODE ZENER UDZ33B 32 15 33 79V 200mW SOD 323 TP FT101 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm SNA FT102 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm SNA FT301 2901 001133 FILTER EMI SMD 25V 0 15A 33pF 2x1 25x0 8m...

Page 30: ...703 001778 INDUCTOR SMD 3 3UH 20 3 2X2 5X2 2MM L501 2703 001778 INDUCTOR SMD 3 3UH 20 3 2X2 5X2 2MM MP1 0 BN41 00146A PCB MAIN GD15NS FR4 4L 200 130 1 6 GD15NS Q101 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q102 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 Q401 0501 002080 TR SMALL SIGNAL ...

Page 31: ...OHM 5 1 16W DA TP 1608 R214 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R215 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R216 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R217 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R218 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R219 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R220 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R221 2007 000090 R CHIP 10K...

Page 32: ...HIP 4 7Kohm 5 1 16W DA TP 1608 R268 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R269 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R270 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R271 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R272 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R273 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R274 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R275 2007 00...

Page 33: ... CHIP 100ohm 5 1 16W DA TP 1608 R340 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R341 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R342 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R343 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R344 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R345 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R346 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R347 2007 000309 R C...

Page 34: ...00ohm 5 1 16W DA TP 1608 R419 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R420 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R421 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R422 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R423 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R425 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R426 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R427 2007 000084 R CHIP 4 7...

Page 35: ...6W DA TP 1608 R470 2007 000071 R CHIP 22ohm 5 1 16W DA TP 1608 R471 2007 000071 R CHIP 22ohm 5 1 16W DA TP 1608 R501 2007 000881 R CHIP 4 7OHM 5 1 10W DA TP 2012 R502 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R503 2007 000087 R CHIP 6 8Kohm 5 1 16W DA TP 1608 R504 2007 000881 R CHIP 4 7OHM 5 1 10W DA TP 2012 R505 2007 000881 R CHIP 4 7OHM 5 1 10W DA TP 2012 R506 2007 000402 R CHIP 150ohm 5 1 16...

Page 36: ...3mW L CHIP 8P TP X201 2801 003667 CRYSTAL SMD 14 3182MHZ 50PPM 28 AAN 16 50OHM TP X401 2801 003846 CRYSTAL SMD 20 25MHz 30ppm 28 AAN 20pF 50ohm TP X501 2801 003843 CRYSTAL SMD 18 432MHz 30ppm 28 AAN 20pF 50ohm TP ZD101 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD201 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD501 0403 001052 DIODE ZENER RD8 2MB 8 2V 7 7 8 64V 200mW S ZD502 ...

Page 37: ...90 00240A ASSY STAND GD15NS ABS PC 5V SNA CIS 6002 000126 SCREW TAPPING FH 2S M3 L10 ZPC BLK SM20C SNA CIS 6003 000122 SCREW TAPTITE BH B M4 L12 ZPC YEL SWRCH18 CIS 6003 000301 SCREW TAPTITE BH S M4 L6 ZPC YEL SWRCH18A SNA CIS BH61 00001C SPRING CS ML15NS STS304 WPB 6 5 3 2 10 10 0 5 SNA CIS BH61 00001D SPRING CS ML15NS STS304 WPB ID8 7 L10 L10 OD9 9 NTR SNA CIS BH63 30103B FELT STAND ML17L WOOL T...

Page 38: ...Memo 7 Electrical Parts List 7 16 GD15N GD15A CONFIDENTIAL ...

Page 39: ...Memo 6 Exploded View Parts List 6 2 GD15N GD15A CONFIDENTIAL ...

Page 40: ...R104 R105 Yes No Does the clock pulse appear at R357 Check related circuit of IC301 FT301 Yes No Does the clock pulse appear at output of RA306 RA311 Check related circuit of IC301 Yes No Does the clock pulse appear at Pin 12 of IC204 Check IC204 and related circuit of IC204 Yes No Does the clock pulse appear at output Pin 39 40 of IC403 Replace IC403 Replace LCD Panel Yes No ...

Page 41: ...Picture TV Video 1 Video 2 Check Pin 8 AGC of IC703 CN402 Check replace the tuner Yes No Check Pin 72 73 74 of IC402 Replace IC402 Yes No Does the signal appear at D405 Check related circuit of D405 and replace D405 Yes No Check IC301 and replace mainboard ...

Page 42: ... low signal at R528 R529 Check related circuit of R528 R529 and replace Yes No Check Pin 14 17 of IC502 TDA7496 Replace IC502 Yes No Check Pin 60 67 of IC501 MSP25 10 Replace IC501 MSP25 10 Yes No Check related circuit of IC501 IC502 and tuner 5 4 No Sound ...

Page 43: ...Memo 4 Alignments and Adjustments 4 2 GD15N GD15A CONFIDENTIAL ...

Page 44: ...e Bracket Bottom 9 Remove the Stand Base from the Stand Assembly 3 1 6 Wire frame stand Disassembly option 1 Carefully pull the cover hinge 2 Remove the cover vesa from the Stand assembly 3 Remove 4 screws on the assembly Bracket assembly 3 Disassembly and Reassembly 3 2 GD15N GD15A CONFIDENTIAL 3 2 Replacement Order of Lamp Assemblies 1 After confirm there is nothing on the desk Turn the LCD modu...

Page 45: ...nits from the LCD module 4 Please fix the new lamp units on the LCD module opposite process 2 and 3 3 3 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures Replacement of lamp unit should be done at the power off state and rcommended clean bench condition ...

Page 46: ...Memo 3 Disassembly and Reassembly 3 4 GD15N GD15A CONFIDENTIAL ...

Page 47: ... GND GND DDC Return GND Red GND Green GND Blue No Connection GND Sync Self Test GND DDC Data Horizontal sync Vertical 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 Red Green H V Sync Blue GND GND DDC Return GND Red GND Green GND Blue Not Used GND Sync Self Test GND DDC Data Not Used Not Used DDC...

Page 48: ...oduct Specifications GD15N GD15A 2 3 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 ...

Page 49: ...21 333µs 16 162µs 5 171µs 0 000µs 16 162µs 0 323µs 1 616µs 3 232µs Positive 56 476kHz 17 707µs 13 653µs 4 054µs 0 000µs 13 653µs 0 320µs 1 813µs 1 920µs Negative VERTICAL Frequency Total time Active time Blank time Border T B Data time Front porch Sync width Back porch Sync polarity 56 250Hz 17 778ms 17 067ms 0 711ms 0 000ms 17 067ms 0 028ms 0 057ms 0 626ms Positive or Negative 60 317Hz 16 579ms 1...

Page 50: ...1 164µs 2 116µs 2 116µs 3 175µs Negative 49 726kHz 20 110µs 14 524µs 5 586µs 0 000µs 14 524µs 0 559µs 1 117µs 3 910µs Negative VERTICAL HORIZONTAL Frequency Total time Active time Blank time Border T B Data time Front porch Sync width Back porch Sync polarity 75 029Hz 13 328ms 12 795ms 0 533ms 0 000ms 12 795ms 0 017ms 0 050ms 0 466ms Positive 66 667Hz 15 000ms 13 714ms 1 286ms 0 000ms 13 714ms 0 0...

Page 51: ...Memo 2 Product Specifications 2 6 GD15N GD15A CONFIDENTIAL ...

Page 52: ...tch 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 a r...

Page 53: ...o Ltd 416 Maetan 3Dong Paldal Gu Suwon City Kyungki Do Korea Printed in Korea P N BN81 00032A 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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