Samsung SyncMaster 770TFT Service Manual
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Samsung SyncMaster 770TFT Service Manual

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SyncMaster 770TFT
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Summary of Contents for Samsung SyncMaster 770TFT

  • Page 1: Table Of Contents

    COLOR MONITOR SyncMaster 770TFT SERVICE Manual COLOR 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 AUTO EXIT AUTO...
  • Page 2 Samsung Electronics Co., Ltd. September 1999 Printed in Korea Code No.: BN68-00097A...

  • Page 3: Precautions

    A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire and / or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate. SyncMaster 770TFT...
  • Page 4 Use only an anti-static solder removal device. Some brushing clothes together, or lifting your foot from solder removal devices not classified as “anti-static” a carpeted floor can generate enough static can generate electrical charges sufficient to damage electricity to damage an ESD. ESDs. SyncMaster 770TFT...

  • Page 5: Product Specifications

    : -68°F to 113°F (-20°C to 45°C) Humidity : 5 % to 95 % • SyncMaster 770TFT comply with SWEDAC (MPR II) recommendations for reduced electromagnetic fields. • Designs and specifications are subject to change without prior notice. SyncMaster 770TFT...
  • Page 6 No Connection No Connection Self Raster Self Raster Self Raster Bi-Dr Data (SDA) Bi-Dr Data (SDA) Bi-Dr Data (SDA) H/V-Sync Not Used H-Sync V-Sync Not Used Not Used 1, 2 DDC Clock (SCL) DDC Clock (SCL) DDC Clock (SCL) SyncMaster 770TFT...
  • Page 7 B : Horizontal sync width O : Frame time total P : Vertical sync width C : Back porch D : Active time Q : Back porch R : Active time E : Front porch S : Front porch SyncMaster 770TFT...
  • Page 8 2 Product Specifications Memo SyncMaster 770TFT...

  • Page 9: Disassembly & Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the SyncMaster 770TFT TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly.
  • Page 10 3 Disassembly and Reassembly Memo SyncMaster 770TFT...

  • Page 11: Alignments & Adjustments

    SIGNAL CABLE BOARD VER. 2.0 3-WIRE CABLE 5V DC 5V DC ADAPTOR 3-WIRE ADAPTOR CABLE SIGNAL CABLE PARALLEL CABLE PARALLEL CABLE D-SUB SIGNAL CONNECTOR GENERATOR Figure 4-1. Setup 1, With Signal Generator Figure 4-2. Setup 2, Without Signal Generator SyncMaster 770TFT...
  • Page 12 PC system and to test the connection Read buffer Reload the Panel Parameter Control values from between the Control JIG and your computer the Program buffer Exit Quits the DDC Control JIG Return Main Returns to the Main menu SyncMaster 770TFT...
  • Page 13 Main Menu. 3. After normal execution of Auto Algorithm, confirm optimal settings by observing the contrast of several different patterns on the display. 4. If you want to check each color value, click the button from and from SyncMaster 770TFT...
  • Page 14 4 Alignments and Adjustments Memo SyncMaster 770TFT...

  • Page 15: Troubleshooting

    Does proper DC 5 V appear at Check IC101 and related circuit. Pin 4 of IC101? Does proper 5 V - signal appear at Check IC501 and related circuit. Pin 42 of IC501 (SW_REG_EN)? (CN102, Function Key) Check Q103, Q105 and Q106. SyncMaster 770TFT...
  • Page 16 PDA, PDB)? During power on-off dose the input signal appear at the R 407 and R 408 ? Check IC501 and related circuit. (MX - SDA, MX - SCL) SyncMaster 770TFT...
  • Page 17 CH1 RMS = 4.96V CH1 RMS = 4.42V CH1 RMS = 3.20V CH1 RMS = 3.24V CH1 RMS = 2.50V CH1 RMS = 960mV CH1 RMS = 3.08V CH1 RMS = 3.08V CH1 RMS = 3.08V CH1 RMS = 3.08V SyncMaster 770TFT...
  • Page 18 11 12 13 10 of IC404? CH1 RMS = 4.18V While pushing a front control button does any pulse appear Check IC404 and related circuit. at Pin 12 of IC404? CH1 RMS = 3.26V Replace IC404. CH1 RMS = 3.26V SyncMaster 770TFT...
  • Page 19 6 Exploded View and Parts List SyncMaster 770TFT...

  • Page 20: Exploded View & Parts List

    6 Exploded View & Parts List Memo SyncMaster 770TFT...

  • Page 21: Electrical Parts List

    C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C208 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C209 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C210 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C211 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C213 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C214 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C217 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C218 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C219 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 SyncMaster 770TFT...
  • Page 22 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C318 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C319 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C320 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C321 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C322 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C323 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C324 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C325 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C326 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m SyncMaster 770TFT...
  • Page 23 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C427 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C428 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C429 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C430 2203-000292 C-CERAMIC,CHIP 10pF,5%,50V,NPO,TP,1608 C431 2404-000123 C-TA,CHIP 10uF,20%,16V,6032,2.9mm,TP C432 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C433 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C434 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C435 2203-000384 C-CERAMIC,CHIP 15pF,5%,50V,NPO,TP,1608 SyncMaster 770TFT...
  • Page 24 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C515 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5. C516 2203-000491 C-CERAMIC,CHIP 2.2nF,10%,50V,X7R,TP,1608 C517 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C601 2404-001075 C-TA,CHIP 100uF,20%,16V,GP,TP,7343 C602 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C603 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C604 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C605 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m C607 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m SyncMaster 770TFT...
  • Page 25 15PFX4,10%,50V CA408 2503-001018 C-NETWORK 15PFX4,10%,50V CA409 2503-001018 C-NETWORK 15PFX4,10%,50V CA410 2503-001018 C-NETWORK 15PFX4,10%,50V CA411 2503-001018 C-NETWORK 15PFX4,10%,50V CA412 2503-001018 C-NETWORK 15PFX4,10%,50V CN101 3722-000117 JACK-DC POWER 3P,3.5mm,AG,BLK,NO CN102 3711-002050 CONNECTOR-HEADER BOX,10P,1R,1.25mm,SMD-A,SN CN103 3711-000556 CONNECTOR-HEADER BOX,12P,1R,1.25mm,SMD-A,SN CN201 3701-001129 CONNECTOR-DSUB 15P,3R,FEMALE,ANGLE,AUF SyncMaster 770TFT...
  • Page 26 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT403 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT404 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT406 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT407 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT408 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT410 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 FT411 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 SyncMaster 770TFT...
  • Page 27 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L106 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L107 BN27-20001A COIL-CHOKE 53.0UH,20%,DR10*5,TRAY L108 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L109 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L110 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L111 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L112 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L113 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L114 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm SyncMaster 770TFT...
  • Page 28 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R107 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 R108 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R114 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 R201 2007-000113 R-CHIP 33ohm,5%,1/16W,DA,TP,1608 R202 2007-000113 R-CHIP 33ohm,5%,1/16W,DA,TP,1608 R203 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R204 2007-000113 R-CHIP 33ohm,5%,1/16W,DA,TP,1608 R205 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R206 2007-000107 R-CHIP 470Kohm,5%,1/16W,DA,TP,1608 SyncMaster 770TFT...
  • Page 29 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R263 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R267 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R269 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R301 2007-000239 R-CHIP 1.5Kohm,1%,1/16W,DA,TP,1608 R302 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R303 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R304 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R305 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R306 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 SyncMaster 770TFT...
  • Page 30 100ohm,5%,1/16W,DA,TP,1608 R506 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R507 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R508 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R509 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R510 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R511 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R512 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R513 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R514 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 7-10 SyncMaster 770TFT...
  • Page 31 100ohm,5%,1/16W,DA,TP,1608 R555 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R556 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R601 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R602 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R603 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R604 2007-000120 R-CHIP 680ohm,5%,1/16W,DA,TP,1608 R605 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 RA301 2011-000002 R-NETWORK 22ohm,5%,1/16W,L,CHIP,8P,ST RA302 2011-000002 R-NETWORK 22ohm,5%,1/16W,L,CHIP,8P,ST SyncMaster 770TFT 7-11...
  • Page 32 2011-000002 R-NETWORK 22ohm,5%,1/16W,L,CHIP,8P,ST RA416 2011-000002 R-NETWORK 22ohm,5%,1/16W,L,CHIP,8P,ST RA417 2011-000002 R-NETWORK 22ohm,5%,1/16W,L,CHIP,8P,ST RA418 2011-000002 R-NETWORK 22ohm,5%,1/16W,L,CHIP,8P,ST 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,100nF,3.2x1.6x1 2203-005005 C-CERAMIC,CHIP 100nF,15%,16V,W5R,TP,1608,1.6m 1204-001551 IC-VIDEO SYSTEM GS1881,SOIC,8P,150MIL,PLASTIC X401 2801-003667 CRYSTAL-SMD 14.3182MHZ,50PPM,28-AAN,16,50O X501 2801-003326 CRYSTAL-SMD 24MHz,30ppm,28-ABX,16pF,50ohm 7-12 SyncMaster 770TFT...
  • Page 33 3Kohm,5%,1/10W,DA,TP,2012 2007-000844 R-CHIP 3Kohm,5%,1/10W,DA,TP,2012 2007-000355 R-CHIP 12Kohm,5%,1/10W,DA,TP,2012 2007-000300 R-CHIP 10Kohm,5%,1/10W,DA,TP,2012 2007-000355 R-CHIP 12Kohm,5%,1/10W,DA,TP,2012 2007-000300 R-CHIP 10Kohm,5%,1/10W,DA,TP,2012 2007-000290 R-CHIP 100ohm,5%,1/10W,DA,TP,2012 3404-000243 SWITCH-TACT 15V,20mA,160gf+-50gf,6x3.4mm,S 3404-000243 SWITCH-TACT 15V,20mA,160gf+-50gf,6x3.4mm,S 3404-000243 SWITCH-TACT 15V,20mA,160gf+-50gf,6x3.4mm,S 3404-000243 SWITCH-TACT 15V,20mA,160gf+-50gf,6x3.4mm,S 3404-000243 SWITCH-TACT 15V,20mA,160gf+-50gf,6x3.4mm,S 3404-000243 SWITCH-TACT 15V,20mA,160gf+-50gf,6x3.4mm,S SyncMaster 770TFT 7-13...
  • Page 34 BN94-00022B ASS’Y PCB DV17MSS S/CABLE BN39-20001E CBF-SIGNAL DET,1830MM,15P/15P,IVORY,UL29 P/CORD BH39-10339Z CBF-POWER/CORD DET,RVV3,250V/10A,BLK,18 CHINA BH39-10005A CBF-POWER/CORD CAP,1200MM, 250V/10A, BLK,18 UK, THAILAND BH39-10007A CBF-POWER/CORD WALL,1830MM,250V/6A,IVY SEG,SESA,SEF BH39-10339E CBF-POWER/CORD DET,SVT,125V 7A/10A,IVY SEA,SESA BH39-10006A CBF-POWER/CORD WALL,1830MM,250V/10A,IVY SEAU ADAPTER BN44-00024A INVERTER BN13-10001H 7-14 SyncMaster 770TFT...

  • Page 35: Block Diagram

    8 Block Diagram SyncMaster 770TFT...
  • Page 36 8 Block Diagrams Memo SyncMaster 770TFT...

  • Page 37: Wiring Diagram

    13W3 CABLE DDC_CLK CN202 DDC_CLK 14V_BL 14V_BL 14V_BL 14V_BL H_SYNC 14V_BL 14V_BL DDC_DATA V_SYNC SELF_TEST KEY1 KEY1 CN102 KEY2 KEY2 LED_G LED_G LED_R LED_R KEY +5V KEY +5V KEY +5V KEY +5V FUNC PCB 13W3_LED 13W3_LED D_SUB_LED 10 D_SUB_LED SyncMaster 770TFT...
  • Page 38 9 Wiring Diagram Memo SyncMaster 770TFT...

  • Page 39: Schematic Diagrams

    10 Schematic Diagrams 10-1 Signal Input Part Schematic Diagram 10-1 SyncMaster 770TFT...
  • Page 40 10 Schematic Diagrams 10-2 Scaler Chip Part Schematic Diagram CH1 RMS = 4.18V CH1 RMS = 3.26V CH1 RMS = 4.7V SyncMaster 770TFT 10-2...
  • Page 41 10-3 Power input Part Schematic Diagram CH1 RMS = 3.26V CH1 RMS = 3.25V CH1 RMS = 3.12V CH1 RMS = 2.20V CH1 RMS = 3.08V CH1 RMS = 3.08V 15 16 17 18 CH1 RMS = 3.08V CH1 RMS = 3.08V 10-3 SyncMaster 770TFT...
  • Page 42 10 Schematic Diagrams 10-4 Micom Part Schematic Diagram SyncMaster 770TFT 10-4...
  • Page 43 10 Schematic Diagrams 10-5 A/D Converter Part Schematic Diagram CH1 RMS = 3.20V CH1 RMS = 3.24V CH1 RMS = 2.50V CH1 RMS = 960mV 10-5 SyncMaster 770TFT...

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