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SERVICE
TFT-LCD MONITOR
Simple Stand
Simple Stand
TFT-LCD MONITOR
Chassis
MJ15AS*
MJ15BS*
MJ17AS*
MJ17BS*
MJ19AS*
MJ19BS*
MJ19ES*
MJ19US*
MJ19QS*
MJ19DS*
Pivot Stand
Model
510N
510T
710N
710T
910N, 911N, 920N
910T
913N
915N
913T, 910B
912T
Manual
CONTENTS

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   Summary of Contents for Samsung 510N

  • Page 1: Table Of Contents

    TFT-LCD MONITOR Chassis Model MJ15AS* 510N MJ15BS* 510T MJ17AS* 710N MJ17BS* 710T MJ19AS* 910N, 911N, 920N MJ19BS* 910T MJ19ES* 913N MJ19US* 915N MJ19QS* 913T, 910B SERVICE MJ19DS* 912T Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4.
  • Page 2: Precautions

    1 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 circuit (READING SHOULD board.
  • 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 Product Specifications 2-1 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS* Specifications Description Item MJ15AS*/MJ15BS* MJ17AS*/MJ17BS* LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, TFT-LCD panel, RGB vertical stripe, normally black transmissive, 15-Inch viewable, 0.297 (H) x 0.297 (V) mm pixel pitch 17-Inch viewable, 0.264 (H) x 0.264 (V) mm pixel pitch Scanning Frequency Horizontal : 31 kHz ~ 61 kHz (Automatic)
  • Page 5: Pin Assignments

    2 Product Specifications 2-3 Pin Assignments Sync 15-Pin D-Sub Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync. Blue Blue Blue DDC Return (GND) DDC Return (GND) DDC Return (GND) GND-R GND-R GND-R GND-G GND-G GND-G GND-B...
  • Page 6: Timing Chart

    2 Product Specifications 2-4 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 VESA VESA(MJ17AS*/MJ17BS*/ Mode (MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/MJ19AS*/MJ19BS*/MJ19ES*/MJ19US*/MJ19QS*) MJ19AS*/MJ19BS*/MJ19ES*/MJ19US*/MJ19QS*) VGA2/ VGA3/ 640/75 Hz 800/60 Hz 800/75 Hz 1024/60 Hz 1024/75 Hz...
  • Page 7: Disassembly & Reassembly

    3 Disassembly and Reassembly 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the MJ15AS*/MJ17AS*/MJ19AS*/MJ15BS*/MJ17BS*/MJ19BS*/MJ19ES* TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions: 1.
  • Page 8 3 Disassembly and Reassembly 6. Remove 7 screws, 4 hexa screws from the boards and lift up the boards. Caution : When repairing panel only, disconnect just LVDS cable, Panel-Lamp / Wire marked in circle in the picture without removing the screws on board in order to lift the board up.
  • Page 9 3 Disassembly and Reassembly 5. Lift up the panel shield and disconnect cables. 6. Remove 5 screws, 2 hexa screws from the boards and lift up the boards. Caution : When repairing panel only, disconnect just LVDS cable, Panel-Lamp / Wire marked in circle in the picture without removing the screws on board in order to lift the board up.
  • Page 10: Alignments & Adjustments

    4 Alignments and Adjustments 4 Alignments and Adjustments This section of the service manual explains how to use the RS232 JIG. This function is needed for AD board change and program memory (IC110) change. 4-1 Required Equipment The following equipment is necessary for adjusting the monitor: •...
  • Page 11: Service Function Spec

    4 Alignments and Adjustments 4-6 Service Function Spec. 4-6-1 How to Display Service Function OSD 1. The value for brightness and contrast should be changed to zero. 2. Within 5 seconds, press the (Enter/Source) key. 3. Service function OSD will be displayed. If you want to disable the service function OSD, you will have to power off.
  • Page 12 4 Alignments and Adjustments 4-6-3 How to Control Service Function OSD •After change the panel or lamp, you must reset service function OSD. •The case of panel change After changeing the panel, press the menu key within 5 seconds,. Then, panel Ch. No increases one step and the panel time information is reset to zero. Simultaneously, other information is reset to zero (Upper/Lower lamp, Panel cycle).
  • Page 13 4 Alignments and Adjustments Memo...
  • Page 14: Troubleshooting

    5 Troubleshooting 5 Troubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1024 x 768 • H-frequency: 61 kHz • V-frequency: 75 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3.
  • Page 15 5 Troubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1280 x 1024 • H-frequency: 64 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. Check the following circuits. •...
  • Page 16 5 Troubleshooting 5-2-1 No Video (ANALOG) Check signal cable connection and power. X400 oscillate properly? Replace or check related circuit. Is there R, G, B input at Check input part. R100, R101 and R103? Is there Hsync, Vsync waveform Check IC400 and related circuit. at Pin 100, 1 of IC 400? Is there Hsync, Vsync waveform Check IC200 and related circuit.
  • Page 17 5 Troubleshooting WAVEFORMS...
  • Page 18 5 Troubleshooting 5-2-2 No Video (DIGITAL) Check signal cable connection and power. Replace or check related circuit. X400 oscillate properly? Is there R, G, B input at Check input part. R110, R112, R114, R111, R113 and R115? Is there waveform Check input part.
  • Page 19 5 Troubleshooting WAVEFORMS...
  • Page 20: Exploded View & Parts List

    6 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 6-1 MJ15AS*...
  • Page 21 6 Exploded View & Parts List 6-2 MJ15BS*...
  • Page 22 6 Exploded View & Parts List 6-3 MJ17AS*...
  • Page 23 6 Exploded View & Parts List 6-4 MJ17BS*...
  • Page 24 6 Exploded View & Parts List 6-5 MJ19AS*...
  • Page 25 6 Exploded View & Parts List 6-6 MJ19BS*...
  • Page 26 6 Exploded View & Parts List 6-7 MJ19ES*/MJ19US*/MJ19QS*...
  • Page 27: Electrical Parts List

    7 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 LS19MJAKSZ/EDC Parts list Level Loc. No. Code No. Description & Specification SA/SNA LS19MJAKSZ/EDC 920N,SGM2/S19A6-LMJ,19,LCD-MO,NETHERLAND M0216 BN90-00486H ASSY STAND;MJ19BS/AS S.N.A...
  • Page 28 7 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 ZD112 0403-001411 DIODE-ZENER;-,5.49-5.73V,200MW,SOD-323,T ..4 ZD201 0403-001411 DIODE-ZENER;-,5.49-5.73V,200MW,SOD-323,T ..4 ZD106 0406-001061 DIODE-TVS;MMQA5V6T3,5.32/5.6/5.88V,24W,S ..4 ZD200 0406-001061 DIODE-TVS;MMQA5V6T3,5.32/5.6/5.88V,24W,S ..4 Q603 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 ..4 Q604 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 ..4 Q409 0505-001957 FET-SILICON;NTR2101P,P,-8V,-3.7A,0.052oh...
  • Page 29 7 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 R131 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R236 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R252 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R400 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R401 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R602 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R603 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 ..4 R604...
  • Page 30 S.N.A ...3 ACCESSORY BH68-70438A CARD-12,BLOC WARRANTY;TFT LCD,BASIC,EU,M S.N.A ...3 ACCESSORY BH68-70448A CARD-01;TFT LCD,SRC,RUSSIA,S/W,120,W210* S.N.A ...3 T0059 BN68-00907A MANUAL FLYER-CARD;COMM,SAMSUNG,18 LANG,E S.N.A ...3 M0215 BN96-02987A ASSY MANUAL P-IB+QSG;911N,SyncMaster,W/W S.N.A ..4 BH68-00376L MANUAL FLYER-04,QSG;LCDQUICK SETUP GUIDE S.N.A ..4 BN59-00501A S/W DRIVER-00,IB;COMM,W/W,SYNCMASTER,MAT S.N.A...
  • Page 31: Block Diagram

    8 Block Diagrams 8 Block Diagram MJ15AS*/MJ17AS*/MJ19AS*/MJ19ES*/MJ19US* ANALOG Block Diagram...
  • Page 32 8 Block Diagrams 8-2 MJ15BS*/MJ17BS*/MJ19BS*/MJ19QS* DIGITAL Block Diagram...
  • Page 33: Wiring Diagram

    9 Wiring Diagram 9 Wiring Diagram (MJ15BS*/MJ17BS*/MJ19BS*)
  • Page 34: Pcb Layout

    10 PCB Layout 10 PCB Layout 10-1 MJ15AS* ANALOG PCB Loc. No. Description DIODE D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D103 DIODE-SWITCHING 73.6 12.2 D105 DIODE-SWITCHING 68.0 12.4 D600 DIODE-RECTIFIER 10.5 46.1 ZD200 DIODE-ZENER 107.1 11.3 ZD600 DIODE-ZENER 17.1 69.6 IC105...
  • Page 35 10 PCB Layout 10-2 MJ15BS* DIGITAL PCB Loc. No. Description DIODE D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D102 DIODE-SWITCHING 43.4 14.0 D103 DIODE-SWITCHING 73.6 12.2 D104 DIODE-SWITCHING 43.3 19.6 D105 DIODE-SWITCHING 68.0 12.4 D106 DIODE-SWITCHING 37.1 19.9 D107 DIODE-SWITCHING 31.0 19.9...
  • Page 36 10 PCB Layout 10-3 MJ17AS*/MJ19AS*/MJ19ES*/MJ19US* ANALOG PCB Loc. No. Description DIODE D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D103 DIODE-SWITCHING 73.6 12.2 D105 DIODE-SWITCHING 68.0 12.4 D600 DIODE-RECTIFIER 10.5 46.1 ZD200 DIODE-ZENER 107.1 11.3 ZD600 DIODE-ZENER 17.1 69.6 IC105 DIODE-TVS 55.0 14.0...
  • Page 37 10 PCB Layout 10-4 MJ17BS*/MJ19BS*/MJ19QS* DIGITAL PCB Loc. No. Description DIODE D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D102 DIODE-SWITCHING 43.4 14.0 D103 DIODE-SWITCHING 73.6 12.2 D104 DIODE-SWITCHING 43.3 19.6 D105 DIODE-SWITCHING 68.0 12.4 D106 DIODE-SWITCHING 37.1 19.9 D107 DIODE-SWITCHING 31.0 19.9...
  • Page 38: Schematic Diagrams

    11 Schematic Diagrams 11 Schematic Diagrams This Document can not be used without Samsung’s authorization. +5V_IN VCC_MCU +5V_IN +5V_IN VCC_MCU Vcc_PANEL_IN R200 15" : +3.3V In 1/16W 17"/19" : +5V In OEM OPTION +3.3V_MAIN R201 C200 1/16W Vcc_PANEL 100nF CN400...
  • Page 39 11 Schematic Diagrams 11-2...
  • Page 40: Panel Description

    12 Panel Description 12 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LT140X1-002 BN07-00004A BN68-00239H LT150XS-L01 BN07-00009A LT150XS-L01-B BN07-00022A LTM150XS-L02 BN07-00005A LT181E2-132 BN07-00001A LT150XS-T01 BN07-00010A LTM181E3-132 BN07-00019A LT170E2-131 BN07-10001D LT181E2-131 BN07-10001E LTM170E4-L01 BN07-00018A LTM240W1-L01 BN07-00015A LTM213U3-L01 BN07-00016A LTM150XH-L01 BN07-00026A LTM150XH-L03 BN07-00027A LTM150XS-L01...
  • Page 41 12 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTM150XH-L06 BN07-00117A "ZPD Panel code" LTM153W1-L01 BN07-00118A "ZPD Panel code" LTM170WP-L01 BN07-00119A "PVA Panel for NIKE" LTM213U4-L01 BN07-00039A 21.3" NARROW LTA260W1-L01 BN07-00121A VENUS LTA220W1-L01 BN07-00074B "Panel B-level panel code for 22"" TV Panel " LTA320W1-L01 BN07-00108A "Panel for AMLCD 32""...
  • Page 42 12 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks CLAA170EA07 BN07-00174A "CPT 17"" PSWG panel code derivation? CLAA170EA07 BN07-00174B CPT 17"""" PSWG type new Panel code""" CLAA170EA07 BN07-00174B CPT 17" PSWG type new Panel code TOSHIBA LTM15C419(A) BN07-00002A TOSHIBA LTM15C423(B) BN07-00006A TOSHIBA...
  • Page 43 12 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks HYUNDAI HT17E11-200 BN07-00049A TN MODE HYUNDAI HT17E11-300 BN07-00093A HT17E11-300 ZPD panel HYUNDAI HT17E11-400 BN07-00094A HT17E11-400 normal panel HYUNDAI HT17E11-400 BN07-00095A HT17E11-400 ZPD panel code HYUNDAI HT17E12 BN07-00096A HT17E12 ( Narow & slim Design ) HYUNDAI HT17E12 BN07-00105A...

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