Samsung 193P Service Manual
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Samsung 193P Service Manual

Tft-lcd monitor
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Table of Contents

See also: Owner's Manual , Manual Del Usuario
SERVICE
TFT-LCD MONITOR
TFT-LCD MONITOR
Chassis
Model
DI19PS
193P
Manual
4. Alignment & Adjustments
10. PCB Layout
12. Panel Description
CONTENTS

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Summary of Contents for Samsung 193P

  • Page 1: Table Of Contents

    TFT-LCD MONITOR Chassis Model DI19PS 193P SERVICE Manual TFT-LCD MONITOR CONTENTS 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.

  • Page 2: Precautions

    1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the (READING SHOULD circuit board. NOT BE ABOVE 0.5mA) Disconnect the AC power and DC Power Jack before servicing.

  • Page 3: Servicing Precautions

    1 Precautions 1-2 Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.

  • Page 4: Product Specifications

    2 Product Specifications 2-1 Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normaly black, 19-Inch viewable, 0.294 mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 81kHz (Automatic) Vertical : 56 Hz ~ 75 Hz (Automatic) Display Colors 16.7 Million colors Maximum Resolution Horizontal : 1280 Pixels...

  • Page 5: Pin Assignments

    2 Product Specifications 2-2 Pin Assignments Sync 15-Pin Signal Cable Connector Type Separate Composite Sync-on-green (Option) Pin No. Green Green Green + H/V Sync Blue Blue Blue GND (DDC Return) GND (DDC Return) GND (DDC Return) GND-R GND-R GND-R GND-G GND-G GND-G GND-B...

  • Page 6: Timing Chart

    2 Product Specifications 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 Mode VESA VGA1/70 Hz VGA3/60 Hz 800/60 Hz VGA2/70 Hz 640/72 Hz 800/56 Hz 640/75 Hz...
  • Page 7 2 Product Specifications Table 2-2 Timing Chart Mode VESA VGA2/ VGA3/ 1280/60 Hz 1280/75 Hz 640/75 Hz 800/60 Hz 800/75 Hz 1024/60 Hz 1024/75 Hz 70 Hz 60 Hz 1280 x 1024 1280 x 1024 640 x 480 800 x 600 800 x 600 1024 x 768 1024 x 768...

  • Page 8: Disassembly And Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the DI19PS monitor. 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. 2.
  • Page 9 3 Disassembly and Reassembly 6. Remove shield from the panel and disconnect inverter cabel, LVDS cable from the main boards. 7. Remove main board from the panel. 3-2 Replacement Order of Lamp Assemblies 1. After confirm there is nothing on the desk, turn the LCD module over and put it on a flat desk set to the ground.
  • Page 10 3 Disassembly and Reassembly Slide the lamp unit 3. Slide the lamp unit. Please take out the lamp units from the LCD module. Slide the lamp unit 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.
  • Page 11 3 Disassembly and Reassembly Memo DI19PS...

  • Page 12: Alignment & Adjustments

    4 Alignments and Adjustments This is to illustrate jig installation required for DDC EDID input. DDC EDID input is necessary to adjust black level and R, G, B for FPD when replacing AD board. This section also explains how to adjust OSD when replacing panel or lamp.
  • Page 13 4 Alignments and Adjustments 4-4 OSD Adjustment for Panel Replacement 1. Repeat 1, 2 and 3 in above 4-2. 2. Press the key and hold until Information is selected. Figure 4-3. 3. Press the key again to execute Information. 4. Press the key and hold until Panel is selected. Figure 4-4.
  • Page 14 4 Alignments and Adjustments 4-5-1 How to Display Service Function OSD 1. With the monitor powered off, press power key and hold until it beeps 10 times. 2. Power the monitor on for screen display. 3. Press the power key and hold until the following figure displays. Figure 4-7.
  • Page 15 4 Alignments and Adjustments Figure 4-12. 4-5-3 How to Abjust SVC Function OSD • Always adjust SVC Function OSD after replacing any panel or lamp. • Panel Replacement After replacing a panel, press the key and hold until Panel is selected. Press Panel shortly again. Ch.No of the Panel increases by 1 while panel time information (Time(Hr)) changes to '0'.
  • Page 16 4 Alignments and Adjustments This function protects a displayed image from sticking when the same image is displayed for an extended period of time. PixelShift On : 0x01 for EEPROM 0x2E PixelShift Off : Others Please see the below figure for movement path. It takes 4 minutes for 1-step movement. (32 steps = 128 minutes) Figure 4-15.
  • Page 17 4 Alignments and Adjustments Memo DI19PS...

  • Page 18: Troubleshooting

    5 Troubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1280 x 1024 • H-frequency: 48 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. Check the following circuits. •...
  • Page 19 5 Troubleshooting 5-2 No Video Power indicator is green. Does DC 5V appear at Replace IC205 or Pin 1, 2 and 3 of CN401? check it’s related circuit. Does the pulse Does the pulse appear Does the pulse appear at appear at Pin 74 at Pin 6 and 8 of IC101? Pin 126 and 127 of IC401?
  • Page 20 5 Troubleshooting WAVEFORMS DI19PS...
  • Page 21 5 Troubleshooting Memo DI19PS...

  • Page 22: Exploded View & Parts List

    6 Exploded View and Parts List ❈ You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ DI19PS...
  • Page 23 6 Exploded View & Parts List Memo DI19PS...

  • Page 24: Electrical Parts List

    7 Electrical Parts List ❈ You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 7-1-1 DI19PS Main PCB Parts Level Loc. No. Code No. Description Specification Remarks DI19PSQAQ/EDC E18-DI19PSQAQ/EDC SEC,LTM190E4-L01 BN94-00512G ASSYPCBMAIN-E18 DI19PS CIS3 0204-001677 FLUX DF-201TVS,MIX,0.820,FLUX13%,G...
  • Page 25 7ElectricalPartsList Level Loc. No. CodeNo. Description Specification Remarks C405 2203-005437 C-CER,CHIP 10000nF,+80-20%,10V,Y5V,TP,3216 C406 2203-000384 C-CER,CHIP 0.015NF,5%,50V,C0G,TP,1608 C407 2203-000384 C-CER,CHIP 0.015NF,5%,50V,C0G,TP,1608 C408 2203-005005 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 C409 2203-005437 C-CER,CHIP 10000nF,+80-20%,10V,Y5V,TP,3216 C410 2203-005005 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 C411 2203-005005 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 C413 2203-005005 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 C414 2203-005005 C-CER,CHIP...
  • Page 26 7ElectricalPartsList Level Loc. No. Code No. Description Specification Remarks D105 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP D106 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP D107 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP D108 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP D201 0402-001098 DIODE-RECTIFIER SK34,40V,3A,SMC,TP D401 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP D402 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP D403 0401-001056 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP FT203 3301-001145...
  • Page 27 7ElectricalPartsList Level Loc. No. Code No. Description Specification Remarks R116 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R117 2007-000070 R-CHIP 0ohm,5%,1/10W,TP,1608 R118 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R151 2007-000078 R-CHIP 1Kohm,5%,1/10W,TP,1608 R152 2007-000090 R-CHIP 10Kohm,5%,1/10W,TP,1608 R201 2007-000084 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 R206 2007-000090 R-CHIP 10Kohm,5%,1/10W,TP,1608 R208 2007-000090 R-CHIP 10Kohm,5%,1/10W,TP,1608 R209 2007-000090...
  • Page 28 7ElectricalPartsList Level Loc. No. Code No. Description Specification Remarks R356 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R357 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R358 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R359 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R360 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R361 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R362 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R365 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R366 2007-000074...
  • Page 29 7ElectricalPartsList Level Loc. No. Code No. Description Specification Remarks R445 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R446 2007-000071 R-CHIP 22ohm,5%,1/10W,TP,1608 R448 2007-000070 R-CHIP 0ohm,5%,1/10W,TP,1608 R449 2007-000070 R-CHIP 0ohm,5%,1/10W,TP,1608 R450 2007-000070 R-CHIP 0ohm,5%,1/10W,TP,1608 R501 2007-000090 R-CHIP 10Kohm,5%,1/10W,TP,1608 R502 2007-000090 R-CHIP 10Kohm,5%,1/10W,TP,1608 R503 2007-000077 R-CHIP 470ohm,5%,1/10W,TP,1608 R504 2007-000074...
  • Page 30 7ElectricalPartsList 7-1-2 DI19PS Others Level Loc. No. Code No. Description Specification Remarks BN90-00601A ASSYSTAND DI19PS,EUROPE BN96-00779C ASSYSTANDP DI19PS,ABSHBWHITE 0203-001159 TAPE-FILAMENT #8915,T0.15,W12,L55000,CLR 6001-000346 SCREW-MACHINE FH,+,M3,L4,ZPC(YEL),SM20C,- 6003-000129 SCREW-TAPTITE BH,+,S,M4,L10,ZPC(YEL),SWRCH18 6003-000259 SCREW-TAPTITE BH,+,B,M3,L8,ZPC(YEL),SWRCH18A 6003-000276 SCREW-TAPTITE BH,+,B,M3,L10,ZPC(YEL),SWCH10 6003-001010 SCREW-TAPTITE FH,+,B,M3,L6,ZPC(YEL),SWRCH18A 6003-001119 SCREW-TAPTITE FH,+,S,M4,L10,YEL,SWRCH18A 6003-001136 SCREW-TAPTITE BH,+,B,M4,L8,ZPC(YEL),SWRCH18A 6003-001238...
  • Page 31 7ElectricalPartsList Level Loc. No. Code No. Description Specification Remarks BN96-00848A ASSYBOARDP-FUNCTION DI17PS,FUNCTION BN91-00349K ASSYLCD-E18 DI19PS BN07-00145A LTM190E4-L01,1703,16.7M,404.2*330*20,16.7M,70,0.098*0.294,0~50,5V,PVA BN91-00493A ASSYMISC-ADAPTOR MT17BO,MT17BO-SXV2/8384 BN44-00071A ADAPTOR APO04214-UV,LCDTM,90~264V,47-63HZ,+14VDC,3.0A,AC/DC,0TO+40C,120*55*31 BN91-00769F ASSYCHASSIS-E18 DI19PS BN39-00395B LEADCONNECTOR DS17BS,UL1571#30,UL/CSA,30P,90mm,#30,12507HS-30,HS-30-BB100,BK,90mm,1571#30,SJ03 BN39-00419A LEADCONNECTOR DS17BS,UL1571#30,UL/CSA,12P,70MM,#30,12507HS-12L,12507HS-12L,BK,SJ03-01-288,NON- BN39-00465A LEADCONNECTOR DI19PS,UL1061#28,UL/CSA,4P,270MM,#28,12505HS-04,12507HS-04L,BK,TAPE BN44-00103A INVERTER 172X,SIC841,48Khz,13.5V/5.0V,2.0mA,7.4mA,100*71*8mm,4Lamp,48KHz BN61-00943A HOLDER-PCB DALI19,ABS BN91-00772E ASSYSHIELD...
  • Page 32 BN92-01011N ASSYACCESSORY DI19PSQAQ/EDC,EDC,NETHERLANDS BN39-00246F CBFSIGNAL-DVI(D) 1703FP,24P/24P,20276-D(1.0GHz),2000mm,UL20276,BLACK,DVI/MALE,DET.TYPE BN96-00847N ASSYACCESSORY DI17PSQA/EDC,EDC,NETHERLANDS 0203-000214 TAPE-OPPMASKING OPP/W50/CLR,T0.05,W50,L400000, 6902-000110 BAGPE LDPE,T0.05,L356,W240,TRP,28,2,PEMARK BH39-10339H CBFPOWERCORD DET,H05VV-F,250V/10,16A,BLK,25 BH68-00489A MANUAL-03 RUSSIANW/CARD,SER,RUSSIAN,RUSSIA,MOJO100G BH68-70438A CARD-BLOCWARRANTY-09 TFTLCD,BASIC,EU,MOJO,100G,W21 BH68-70448A CARD-01 TFTLCD,SRC,RUSSIA,S/W,120,W210*L120,INSTALLCARD BN39-00244B CBFSIGNAL MO15PS,15P/15P,20276-N,1830MM,UL20276,BLACK,D-SUB/MALE,DET.TYPE BN96-00881F ASSYMANUALP-00,IB+QSG 173P,193P,SyncMaster,W/W,18Langs,BN59-395F+BH68-376L BH68-00376L MANUAL-01 LCDQUICKSETUPGUIDE,SYNCMASTER,E/F/S/G/P/I..13LANGS,W/W,MOJO100G,298,420 BN59-00395F S/WDRIVER-00,IB SyncMaster,W/W,SyncMaster,18Langs DI19PS...
  • Page 33 7ElectricalPartsList Memo 7-10 DI19PS...

  • Page 34: Block Diagram

    8 Block Diagram ❈ This Document can not be used without Samsung’s authorization. DI19PS...
  • Page 35 8 Block Diagrams Memo DI19PS...

  • Page 36: Wiring Diagram

    9 Wiring Diagram DI19PS...
  • Page 37 9 Wiring Diagram Memo DI19PS...

  • Page 38: Schematic Diagrams

    11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. CN401 MGND2 MGND1 +5V_PANEL R100 FT401 OPTION CPU+5V 1.5uH DELETE R100 CPU+5V +5V_SW 1/16W C427 10nF R118 C102 10nF HSYNC_OUT1 HSYNC_OUT C426 C421 C301 C302 C104 100nF...
  • Page 39 11 Schematic Diagrams DI19PS 11-2...
  • Page 40 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea, 442-742 Printed in Korea ❈ This Service Manual is a property of Samsung P/N : BN82-00110E-00 Electronics Co., Ltd. http : //www.samsungmonitor.com (SyncMaster Worldwide) Any unauthorized use of Manual can be punished http : //www.samsung-monitor.com (SyncMaster USA)

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