Samsung SyncMaster 170T Service Manual
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Samsung SyncMaster 170T Service Manual

Samsung SyncMaster 170T Service Manual

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SERVICE

COLOR MONITOR

SyncMaster 180T
COLOR MONITOR
SyncMaster 170T
SyncMaster 180T
Manual
4. Alignments & Adjustments
CONTENTS

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  • Page 1: Table Of Contents

    COLOR MONITOR SyncMaster 170T SyncMaster 180T 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 SyncMaster 170T 8. Block Diagram 9.
  • Page 2 Samsung Electronics Co., Ltd. June 2000 Printed in Korea Code No.: BN68-00049V-01...

  • 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 170T/180T...

  • Page 4: Servicing Precautions

    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 170T/180T...

  • Page 5: Product Specifications

    Storage Temperature : -68°F to 113°F (-20°C to 45°C) Humidity : 5 % to 95 % • SyncMaster 170T/180T comply with SWEDAC (MPRII) recommendations for reduced electromagnetic fields. • Designs and specifications are subject to change without prior notice. SyncMaster 170T/180T...

  • Page 6: Pin Assignments

    Rx2- No Connection Rx2+ DDC Power Input (+5V) Self Raster No Connection Connection Signal Output (+5V) No Connection Rx0- DDC Clock (SCL) Rx0+ DDC Data (SDA) No Connection No Connection Rx1- No Connection Rx1+ RxC+ No Connection RxC- SyncMaster 170T/180T...

  • Page 7: Timing Chart

    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 170T/180T...
  • Page 8 2 Product Specifications Memo SyncMaster 170T/180T...

  • Page 9: Disassembly And Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the SyncMaster 170T/180T TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly (SyncMaster 170T) Cautions:1. Disconnect the monitor from the power source before disassembly.
  • Page 10 Panel and the CN600 connector on the Main 13. Remove the 2 screws on the Function PCB PCB. from the Front Cover and remove the Function PCB and Function Knob. 3-3 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. SyncMaster 170T/180T...

  • Page 11: Troubleshooting

    Does proper DC 5 V appear at Check IC105 and related circuit. Pin 4 of IC105? Does proper 5 V - signal appear at Check IC602 and related circuit. Pin 42 of IC602 (SW_REG_EN)? (CN102, Function Key) Check Q102, Q103 and Q105. SyncMaster 170T/180T...
  • Page 12 A_MX_HSYNC) and does the digital video signal appear at the output port PDA, PDB)? During power on-off dose the input signal appear at the R 410 and R 411 ? Check IC501 and related circuit. (MX - SDA, MX - SCL) SyncMaster 170T/180T...
  • Page 13 Check IC101 and related circuit. digital video signal appear at the output port PDA, PDB)? During power on-off dose the input signal Check IC501 and related circuit. appear at the R 410 and R 411 ? (MX - SDA, MX - SCL) SyncMaster 170T/180T...
  • Page 14 CH1 RMS = 3.20V CH1 RMS = 3.24V CH1 RMS = 2.50V CH1 RMS = 960mV CH1 RMS = 3.3V CH1 RMS = 3.3V CH1 RMS = 2.78V CH1 RMS = 3.22V CH1 RMS = 3.08V CH1 RMS = 3.08V SyncMaster 170T/180T...
  • Page 15 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 170T/180T...
  • Page 16 6 Exploded View and Parts List 6-1 SyncMaster 170T SyncMaster 170T/180T...

  • Page 17: Exploded View & Parts List

    6 Exploded View & Parts List 6-2 SyncMaster 180T SyncMaster 170T/180T...

  • Page 20: Syncmaster 170T

    “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C134 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C150 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C152 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C201 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C202 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C203 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C204 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C205 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C206 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” SyncMaster 170T/180T...
  • Page 21 “C-CERAMIC,CHIP” “100pF,5%,50V,NPO,TP,1608,-” C251 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C255 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C256 2203-000257 “C-CERAMIC,CHIP” “10nF,10%,50V,X7R,TP,1608,-” C257 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C300 2203-000257 “C-CERAMIC,CHIP” “10nF,10%,50V,X7R,TP,1608,-” C301 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C302 2203-000236 “C-CERAMIC,CHIP” “100pF,5%,50V,NPO,TP,1608,-” C303 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C304 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” SyncMaster 170T/180T...
  • Page 22 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C418 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C419 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C420 2203-005005 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C421 2203-000280 “C-CERAMIC,CHIP” “0.01nF,0,5pF,50V,NPO,TP,1608,-” C422 2203-000280 “C-CERAMIC,CHIP” “0.01nF,0,5pF,50V,NPO,TP,1608,-” C423 2203-000280 “C-CERAMIC,CHIP” “0.01nF,0,5pF,50V,NPO,TP,1608,-” C424 2203-000280 “C-CERAMIC,CHIP” “0.01nF,0,5pF,50V,NPO,TP,1608,-” C425 2203-000280 “C-CERAMIC,CHIP” “0.01nF,0,5pF,50V,NPO,TP,1608,-” C426 2203-000280 “C-CERAMIC,CHIP” “0.01nF,0,5pF,50V,NPO,TP,1608,-” SyncMaster 170T/180T...
  • Page 23 “C-CERAMIC,CHIP” “100nF,15%,16V,W5R,TP,1608,1.6m” C508 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C509 2203-000257 “C-CERAMIC,CHIP” “10nF,10%,50V,X7R,TP,1608,-” C510 2402-000176 “C-AL,SMD” “10uF,20%,16V,GP,TP,4.3x4.3x5.4” C511 2402-001042 “C-AL,SMD” “100uF,20%,16V,GP,TP,6.6x6.6x5.” C512 2203-000257 “C-CERAMIC,CHIP” “10nF,10%,50V,X7R,TP,1608,-” C516 2203-000491 “C-CERAMIC,CHIP” “2.2nF,10%,50V,X7R,TP,1608,-” 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” SyncMaster 170T/180T...
  • Page 24 C-NETWORK “15PFX4,10%,50V,-” CA309 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA310 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA311 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA401 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA402 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA403 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA404 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA405 2503-001018 C-NETWORK “15PFX4,10%,50V,-” CA406 2503-001018 C-NETWORK “15PFX4,10%,50V,-” SyncMaster 170T/180T...
  • Page 25 DIODE-SWITCHING “MMBD4148SE,75V,600mA,SOT-23,TP” D116 0401-001056 DIODE-SWITCHING “MMBD4148SE,75V,600mA,SOT-23,TP” D117 0402-001098 DIODE-RECTIFIER “SK34,40V,3.0A,SMC,TP” D118 0402-001098 DIODE-RECTIFIER “SK34,40V,3.0A,SMC,TP” D201 0401-001056 DIODE-SWITCHING “MMBD4148SE,75V,600mA,SOT-23,TP” D202 0401-001056 DIODE-SWITCHING “MMBD4148SE,75V,600mA,SOT-23,TP” D203 0401-001056 DIODE-SWITCHING “MMBD4148SE,75V,600mA,SOT-23,TP” D207 0403-000579 DIODE-ZENER “BZX84C5V1,5.1V,5%,200mW,SOT-23” D208 0403-000579 DIODE-ZENER “BZX84C5V1,5.1V,5%,200mW,SOT-23” D212 0401-001056 DIODE-SWITCHING “MMBD4148SE,75V,600mA,SOT-23,TP” SyncMaster 170T/180T...
  • Page 26 3301-001145 CORE-FERRITE BEAD “AB,4.5x1.6x1.6mm,-,-” FT843 2901-001114 FILTER-EMI SMD “25VDC,2.0ADC,-,100nF,3.2x1.6x1” IC101 1006-001131 IC-RECEIVER “151,QFP,100P,-,-,TR,PLASTIC,-0” IC102 1203-001447 IC-POSI.FIXED REG. “2596,TO-263,5P,-,PLASTIC,3.135” IC103 1204-001551 IC-VIDEO SYSTEM “GS1881,SOIC,8P,150MIL,PLASTIC,” IC105 1203-001448 IC-POSI.FIXED REG. “2596,TO-263,5P,-,PLASTIC,4.750” IC203 1103-000129 IC-EEPROM “24C02,256*8BIT,SOP,8P,150MIL,1” IC207 0801-002171 IC-CMOS LOGIC “74LCX125,BUS BUFFER,SOP,14P,15” SyncMaster 170T/180T...
  • Page 27 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L125 2703-001778 INDUCTOR-SMD “3.3UH,20%,3.2X2.5X2.2MM” L126 2703-001334 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L127 2703-001334 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L200 2703-001334 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L201 2703-001334 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L202 2703-001334 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L207 2703-001334 INDUCTOR-SMD “1.5uH,10%,2x1.25x0.85mm” L401 2703-001778 INDUCTOR-SMD “3.3UH,20%,3.2X2.5X2.2MM” L402 2703-001778 INDUCTOR-SMD “3.3UH,20%,3.2X2.5X2.2MM” SyncMaster 170T/180T...
  • Page 28 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R213 2007-000084 R-CHIP “4.7Kohm,5%,1/16W,DA,TP,1608” R214 2007-000084 R-CHIP “4.7Kohm,5%,1/16W,DA,TP,1608” R215 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R216 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R217 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R218 2007-000071 R-CHIP “22ohm,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 “10Kohm,5%,1/16W,DA,TP,1608” SyncMaster 170T/180T...
  • Page 29 “10ohm,5%,1/16W,DA,TP,1608” R335 2007-000309 R-CHIP “10ohm,5%,1/16W,DA,TP,1608” R336 2007-000309 R-CHIP “10ohm,5%,1/16W,DA,TP,1608” R337 2007-000080 R-CHIP “2Kohm,5%,1/16W,DA,TP,1608” R338 2007-000092 R-CHIP “15Kohm,5%,1/16W,DA,TP,1608” R339 2007-000092 R-CHIP “15Kohm,5%,1/16W,DA,TP,1608” R340 2007-000092 R-CHIP “15Kohm,5%,1/16W,DA,TP,1608” R341 2007-000092 R-CHIP “15Kohm,5%,1/16W,DA,TP,1608” R342 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R400 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” 7-10 SyncMaster 170T/180T...
  • Page 30 “10Kohm,5%,1/16W,DA,TP,1608” R515 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R516 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R517 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R518 2007-000078 R-CHIP “1Kohm,5%,1/16W,DA,TP,1608” R519 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R520 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R521 2007-000078 R-CHIP “1Kohm,5%,1/16W,DA,TP,1608” R522 2007-000074 R-CHIP “100ohm,5%,1/16W,DA,TP,1608” R523 2007-000077 R-CHIP “470ohm,5%,1/16W,DA,TP,1608” SyncMaster 170T/180T 7-11...
  • Page 31 “4.7Kohm,5%,1/16W,DA,TP,1608” R608 2007-000102 R-CHIP “100Kohm,5%,1/16W,DA,TP,1608” R609 2007-000033 R-CHIP “0ohm,5%,1/8W,DA,TP,3216” R612 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R613 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R614 2007-000071 R-CHIP “22ohm,5%,1/16W,DA,TP,1608” R615 2007-000033 R-CHIP “0ohm,5%,1/8W,DA,TP,3216” R616 2007-000033 R-CHIP “0ohm,5%,1/8W,DA,TP,3216” R617 2007-000033 R-CHIP “0ohm,5%,1/8W,DA,TP,3216” R618 2007-000033 R-CHIP “0ohm,5%,1/8W,DA,TP,3216” 7-12 SyncMaster 170T/180T...
  • Page 32 “22ohm,5%,1/16W,L,CHIP,8P,ST” RA407 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA408 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA409 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA410 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA411 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA412 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA413 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA414 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” RA415 2011-000002 R-NETWORK “22ohm,5%,1/16W,L,CHIP,8P,ST” SyncMaster 170T/180T 7-13...
  • Page 33 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 INVENTER BN44-00029A LCD (18”) BN07-10001E LT181E2-131,410*335*25,IPS PROCESS-PBA UNIT(180T) BN94-00052A ASSY,PCB GR18MS-8XF1/0000 S/CABLE (DVI CABLE : OPTION) BN39-00072A CBF-SIGNAL DET, 2000MM, 24P/24P, IVORY, DVI 7-14 SyncMaster 170T/180T...

  • Page 34: Block Diagram

    8 Block Diagram SyncMaster 170T/180T...
  • Page 35 8 Block Diagrams Memo SyncMaster 170T/180T...

  • Page 36: Wiring Diagram

    9 Wiring Diagram CN601 INVERTER CN103 BL_CNT BL_CNT BL_ON BL_ON 14V_BL 14V_BL 14V_BL 14V_BL 14V_BL 14V_BL MAIN PCB KEY1 KEY1 CN102 KEY2 KEY2 LED_G LED_G LED_R LED_R CN852 CN201 KEY +5V KEY +5V LED-A(18"),LED-B(17") LED-A(18"),LED-B(17") LED-A(17"),LED-B(18") LED-A(17"),LED-B(18") CN101 FUNCTION SyncMaster 170T/180T...
  • Page 37 9 Wiring Diagram Memo SyncMaster 170T/180T...

  • Page 38: Schematic Diagrams

    CH1 RMS = 3.08V Rx2+ Rx2- Rx1+ Rx1- Rx0+ Rx0- RxC+ RxC- T_HSYNC DCLKAB T_VSYNC A_DCLKAB RX2+ T_DE RX2- T_DCLK T_DCLK SELFRAST_W RX1+ RX1- A_MX_HSYNC MX_HSYNC RX0+ RX0- T_HSYNC RXC+ RXC- PDA(0:23) CH1 RMS = 2.78V CH1 RMS = 3.22V 10-1 SyncMaster 170T/180T...
  • Page 39 10-2 Scaler Part Schematic Diagram MX_PDEN PLL_H*V MX_HSYNC MCU_VSYNCO DCLKAB SyncMaster 170T/180T 10-2...
  • Page 40 CH1 RMS = 3.12V CH1 RMS = 2.20V LCD_ON_OFF BBA(0:7) BAA(0:7) SW_REG_EN GBA(0:7) RBA(0:7) CH1 RMS = 3.3V CH1 RMS = 3.3V SW_REG_EN BL_CNT CH1 RMS = 3.08V CH1 RMS = 3.08V BL_ON KEY1 KEY2 LED_G LED_R SWITCH 10-3 SyncMaster 170T/180T...
  • Page 41 10-4 MCU Part Schematic Diagram SyncMaster 170T/180T 10-4...

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Syncmaster 180t

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