TFT-LCD MONITOR Chassis MJ15AS* MJ15BS* MJ17AS* MJ17BS* MJ19AS* MJ19BS* MJ19ES* SERVICE TFT-LCD MONITOR Model 510N 510T 710N 710T 910N 910T 913N Manual CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignments & Adjustments 5. Troubleshooting 6. Exploded View & Parts List Simple Stand Pivot Stand 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10. PCB Layout 11. Schematic Diagrams 12.
❈ This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Kyungki-Do, Korea,443-742 Printed in Korea P/N : BN82-00087S-01 http://itself.sec.samsung.co.
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 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. (READING SHOULD NOT BE ABOVE 0.5mA) 1-1-2 Servicing the LCD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet. 2.
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. 1-2-1 General Servicing Precautions 1. 2. 3.
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, 15-Inch viewable, 0.297 (H) x 0.297 (V) mm pixel pitch TFT-LCD panel, RGB vertical stripe, normally black transmissive, 17-Inch viewable, 0.264 (H) x 0.
2 Product Specifications 2-2 MJ19AS*/MJ19BS*/MJ19ES* Specifications Description Item LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 19-Inch viewable, 0.297 (H) x 0.297 (V) mm pixel pitch Scanning Frequency Horizontal : 31 kHz ~ 81 kHz (Automatic) Vertical : 55 Hz ~ 76 Hz Display Colors 16.2 Million colors Maximum Resolution Horizontal : 1280 Pixels Vertical : 1024 Pixels Input Video Signal Analog, 0.
2 Product Specifications 2-3 Pin Assignments Sync Type Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15-Pin D-Sub Signal Cable Connector Separate Composite Sync-on-green Red Green Blue GND DDC Return (GND) GND-R GND-G GND-B DDC Power Input (+5V) Self Raster GND Bi-Dr Data (SDA) H-Sync. V-Sync. DDC Clock (SCL) Red Green Blue GND DDC Return (GND) GND-R GND-G GND-B DDC Power Input (+5V) Self Raster GND Bi-Dr Data (SDA) H/V-Sync. Not Used DDC Clock (SCL) Red Green + H/V Sync.
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.
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. Disconnect the monitor from the power source before disassembly. 1.
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. 7. This picture is panel. 3-2 MJ19ES* 1. After placing monitor on the cushioned table, remove 6 screws on the left and right of the bottom. 2. Lift the stand and lift up the back cover. 3. Remove 2 screws from the shield.
3 Disassembly and Reassembly 5. Lift up the panel shield and disconnect cable s. 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. 7. This picture is panel. 3-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures.
3 Disassembly and Reassembly 3-4 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
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: • Computer with Windows 95, Windows 98, or Windows NT. • MTI-2031 DDC MANAGER JIG 4-2 Automatic Color Adjustment To input video, use 16 gray or any pattern using black and white. 1. Select english for OSD language.
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. Panel Information Softward Version Checksum Figure 2. The example of service function OSD The service function OSD is based on a grid of 29 columns x 12 rows.
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). Figure 4.
4 Alignments and Adjustments Memo 4-4 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
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. Check the following circuits. • No raster appears: Function PBA, Main PBA, I/D PBA • 5V develop but no screen: Main PBA • 5V does not develop: I/D PBA 4.
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. • No raster appears: Function PBA, Main PBA, I/P PBA • 5V develop but no screen: Main PBA • 5V does not develop: I/P PBA 4.
5 Troubleshooting 5-2-1 No Video (ANALOG) Check signal cable connection and power. 1 X400 oscillate properly? No Replace or check related circuit. Yes Is there R, G, B input at R100, R101 and R103? No Check input part. Yes Is there Hsync, Vsync waveform 2 3 No Check IC400 and related circuit. at Pin 100, 1 of IC 400? Yes Is there Hsync, Vsync waveform 2 3 No Check IC200 and related circuit.
5 Troubleshooting WAVEFORMS 1 2 3 5-4 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
5 Troubleshooting 5-2-2 No Video (DIGITAL) Check signal cable connection and power. 1 X400 oscillate properly? No Replace or check related circuit. Yes Is there R, G, B input at 4 5 6 No Check input part. R110, R112, R114, R111, R113 and R115? Yes Is there waveform 7 No Check input part. at R11, R117? Yes Does the output signal appear at Pin 17~20, 22~27 of CN400? No Check IC400 and related circuit.
5 Troubleshooting WAVEFORMS 1 2 3 4 5 6 7 5-6 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
6 Exploded View and Parts List ❈ You can search for updated part codes through ITSELF web site. URL : http://itself. sec. samsung.co.
6 Exploded View & Parts List 6-2 MJ15BS* 6-2 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
6 Exploded View & Parts List 6-3 MJ17AS* MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES* 6-3
6 Exploded View & Parts List 6-4 MJ17BS* 6-4 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
6 Exploded View & Parts List 6-5 MJ19AS* MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES* 6-5
6 Exploded View & Parts List 6-6 MJ19BS* 6-6 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
6 Exploded View & Parts List 6-7 MJ19ES* MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES* 6-7
6 Exploded View & Parts List Memo 6-8 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
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 MJ15AS* Main PCB Parts Level Code No. 0 1 MJ15ASKN/EDC E27-MJ15ASKN/EDC 3 4 4 4 4 4 4 4 Loc. No.
7 Electrical Parts List Level Code No.
7 Electrical Parts List Level Code No. 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2203-005065 2203-005437 2203-005437 2402-000108 2402-001042 2402-001042 2402-001042 2402-001042 2402-001086 2703-001334 2703-001334 2703-001334 2801-003773 3301-000314 3301-000314 3301-000314 3301-000314 3301-000314 3301-000314 3301-000314 3301-000314 3711-005470 3711-005543 BN41-00412D Loc. No.
7 Electrical Parts List Level Code No. Loc. No. Description Specification Remarks 4 5 5 BN96-01171J BH68-00376L BN59-00420J ACCESSORY QUICK_SETUP IB ASSY MANUAL P-IB+QSG MANUAL-03 S/W DRIVER-00,IB MJ17BS 701T,SyncMaster,WW,28 Lang,BN59-420J+BH68-376L LCDQUICK SETUP GUIDE,SYNCMASTER,E/F/S/G/P/I..13LANGS,W/W,MOJO100G,298,420 MJ17BS 701T,WW,SyncMaster,28 Lang.
7 Electrical Parts List Level Code No.
7 Electrical Parts List Level Code No.
7 Electrical Parts List 7-4 Others Level Code No. Loc. No. Description 2 BN90-00486D - ASSY STAND MJ17BS/GS17VT/GS17MS,EDC SNA 3 4 4 4 4 4 BN96-01063A 6003-000269 6003-001086 BN61-00822A BN61-00825A BN61-00826A STD STD STD STD STD STD ASSY STAND P-SIMPLE SCREW-TAPTITE SCREW-TAPTITE STAND-BRKT HINGE STAND-FRONT STAND-REAR MJ15/17ASBS,ABS HB,BK07 BH,+,S,M3,L6,ZPC(YEL),SWRCH18A BH,+,B,M3,L12,ZPC(BLK),SWRCH18A GS17VS,SECC,T1.
7 Electrical Parts List Level Code No. 4 4 4 4 4 4 BH68-20366B BN61-01435A BN63-01489B BN63-01490A BN68-00473W BN73-00077A Loc. No. STAND/BASE STAND/BASE STD STAND/BASE STAND/BASE STAND/BASE Description LABEL-00,STANDE BASE HOLDER-STAND COVER-STAND COVER-STAND BASE MANUAL INSTALL RUBBER-FOOT Specification MJ15,17,ART PAPER,55X10,RED CH,+,M4,L10(4),ZPC(WHT),SWRCH18A MJ17,ABS,HB,BK07 MJ17,ABS HB,BK07 Goya2 Stand Guide,SyncMaster,W/W,Mojo100g,A4 MATISSE,BUMPON,®™13.5,T2.
7 Electrical Parts List Level 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Code No.
7 Electrical Parts List Level Code No.
7 Electrical Parts List 7-6 Others Level Code No. Loc. No.
7 Electrical Parts List Level Code No. Loc. No.
7 Electrical Parts List Level 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Code No.
7 Electrical Parts List Level 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 7-14 Code No.
7 Electrical Parts List Level 5 5 5 Code No. 3711-005470 3711-005543 BN41-00412D Loc. No. CN400 CN200 MP1.3 Description CONNECTOR-HEADER CONNECTOR-HEADER PCB MAIN Specification BOX,30P,1R,1.25mm,SMD-A,Sn+Pb,IVR BOX,6P,1R,1.25mm,SMD-A,SnPb,IVR MATISSE/GOYA2,STH,2L,MP1.3,1.6T,118*78.2,4A Remarks SA SA SNA 7-8 Others Level Code No. Loc. No. Description Specification Remarks 2 3 3 BN92-00329Y BN68-00614A BN68-00657D LABEL LABEL ASSY LABEL LABEL RATING-00 LABEL RATING-01 MJ/GS,W/W ALL,SS,PE,T0.
7 Electrical Parts List 7-9 MJ15BS*/MJ17BS*/MJ19BS* Different Circuit Part List Loc.
8 Block Diagrams 8 Block Diagram MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES* M ICOM P A N E L IN V ERT ER IP BOARD (ON)+ 5V + 0~ 3.
8-2 (ON)+ 5V + 0~ 3.
10 PCB Layout 10 PCB Layout 10-1 MJ15AS* ANALOG PCB Loc. No. Description X Y 60.5 78.3 73.6 68.0 10.5 107.1 17.1 16.0 12.3 12.2 12.4 46.1 11.3 69.6 55.0 110.7 96.6 95.2 56.0 27.5 17.4 12.8 14.0 12.9 30.9 8.5 46.9 55.8 35.5 56.
10 PCB Layout 10-2 MJ15BS* DIGITAL PCB Loc. No. Description X Y 60.5 78.3 43.4 73.6 43.3 68.0 37.1 31.0 24.4 9.0 13.5 37.2 31.1 24.5 23.5 49.2 10.5 107.1 17.1 16.0 12.3 14.0 12.2 19.6 12.4 19.9 19.9 19.9 26.2 14.6 14.0 14.0 14.0 25.5 22.3 46.1 11.3 69.6 15.8 55.0 110.7 11.0 96.6 95.2 56.0 27.5 17.4 12.8 23.6 14.0 12.9 9.6 30.9 8.5 46.9 55.8 35.5 56.
10 PCB Layout 10-3 MJ17AS*/MJ19AS*/MJ19ES* ANALOG PCB Loc. No. Description X Y 60.5 78.3 73.6 68.0 10.5 107.1 17.1 16.0 12.3 12.2 12.4 46.1 11.3 69.6 55.0 110.7 96.6 95.2 56.0 27.5 17.4 14.0 12.9 30.9 8.5 46.9 55.8 35.
10 PCB Layout 10-4 MJ17BS*/MJ19BS* DIGITAL PCB Loc. No. Description X Y 60.5 78.3 43.4 73.6 43.3 68.0 37.1 31.0 24.4 9.0 13.5 37.2 31.1 24.5 23.5 49.2 10.5 107.1 17.1 16.0 12.3 14.0 12.2 19.6 12.4 19.9 19.9 19.9 26.2 14.6 14.0 14.0 14.0 25.5 22.3 46.1 11.3 69.6 15.8 55.0 110.7 11.0 96.6 95.2 56.0 27.5 17.4 23.6 14.0 12.9 9.6 30.9 8.5 46.9 55.8 35.
9 Wiring Diagram 9 Wiring Diagram (MJ15BS*/MJ17BS*/MJ19BS*) MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES* 9-1
9 Wiring Diagram Memo 9-2 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
11 Schematic Diagrams 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. +5V_IN +5V_IN VCC_MCU Vcc_PANEL_IN +5V_IN VCC_MCU R200 0 1/16W 15" : +3.3V In R401 10K 9 50V C606 C605 100nF 16V 1uF 10V MO Q601 +3.3V_MAIN REFM REFP AVDD RINOP AVSS RINOM GIN0M DVI_INT 4.7K R212 10K 4.7K R211 R202 470 1/16W 4.7K 4.7K R210 4.7K 4.7K R207 R206 4.7K R208 R209 10K 4.7K 4.7K R205 10K R214 R204 4.7K R203 4.
11 Schematic Diagrams 1 2 3 5 6 7 11-2 4 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/ MJ19AS*/MJ19BS*/MJ19ES*
