CONFIDENTIAL TFT-LCD MONITOR Chassis MO17P* MO17E* SERVICE Model 172T 172B Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Troubleshooting 5. Exploded View & Parts List 6. Electrical Parts List 7. Block Diagram 8. Wiring Diagram 9. Schematic Diagrams 10.
CONFIDENTIAL 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. 3. (READING SHOULD NOT BE ABOVE 0.5mA) When the chassis is operating, semiconductor heatsinks are potential shock hazards.
CONFIDENTIAL 2 Product Specifications 2-1 Specifications Description Item Analog Digital LCD Panel TFT-LCD panel, RGB vertical stripe, normally white transmissive, 17-Inch viewable, 0.264 pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 81 kHz (Automatic) Vertical : 56 Hz ~ 75 Hz Display Colors 16,2 Million colors Maximum Resolution Horizontal : 1280 Pixels @ 81 kHz Vertical : 1024 Pixels @ 75 Hz Input Video Signal Analog, 0.
CONFIDENTIAL 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the MO17P*/MO17E* 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. 2. Follow these directions carefully; never use metal instruments to pry apart the cabinet. 3-1-1 Main Body Disassembly 1.
CONFIDENTIAL 4 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: Stand PCB, Main PCB • 14V develop but no screen: Main PCB • 14V does not develop: Main PCB 4. If you push and hold the Exit for more than 5 seconds, the monitor automatically turns back to the factory preset.
CONFIDENTIAL 5 Exploded View and Parts List MO17P*/MO17E* 5-1
CONFIDENTIAL 6 Electrical Parts List 6-1-1 MO17P* Main PCB Parts Loc. No. Code No. Description Specification CIS1 CIS2 CIS4 CIS5 CIS6 CIS7 CIS3 CIS11 CIS10 BN94-00356A 0201-001223 0202-001044 0202-001046 0202-001162 0202-001222 0204-001095 BN39-00002A BN63-00433A BN63-00435A ASSY PCB MAIN ADHESIVE-TS SOLDER-WIRE. SOLDER-WIRE FLUX SOLDER-CREAM SOLDER-WIRE FLUX THINNER CBF-HARNESS GASKET GASKET MO17PS HT-130S,RED,700+/- 50,S63S-W3.0,S63S,D3,63Sn/37Pb,CF-110VH-2A,-,-,-,RMA-20-21L,S63,-,SN63/PB36.6/AG0.
CONFIDENTIAL 7 Block Diagram 7-1 MO17P* MO17P*/MO17E* 7-1
10 11 12 13 14 15 16 17 18 19 20 21 32 33 34 35 36 37 38 39 40 +14V DC 41 +14V DC DSUB_GND H_SYNC V_SYNC DSUB_+5V DSUB_SCL DSUB_SDA DSUB_GND CHK_DSUB AUDIO_DPMS P_GND P_GND P_GND +14V DC R_GND G_VIDEO G_GND B_VIDEO B_GND 10 11 12 GND BRIGHT GND BKLT_EN GND GND NC GND GND 10 +14V DC 11 +14V DC 12 +14V DC 1 2 3 4 5 6 7 8 9 28 29 30 31 22 23 24 25 26 27 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 MO17P*/MO17E* GND BRT_ADJ GND BL_ON/OFF GND GND GND GND GND +14V DC +14V DC +14V DC DVI_GND CHK_DVI RXCRXC+ RXC
CONFIDENTIAL 9 Schematic Diagrams 9-1 Schematic Diagram DVDD_2.5V BLU+ BLU- GRN+ GRN- R302 RA303 120ohm ER[0:7] ER(7) ER(6) ER(5) ER(4) AGND (1%) AVDD_3.3V DVDD_3.3V PLUS_KEY MINUS_KEY AUTO_KEY EXIT MENU_KEY +5V_M R336 4.7K 1/16W R329 10K 1/16W IC305 M24C08-WMN1T CN303 slcon4p R337 4.
CONFIDENTIAL 10 Panel Description Maker SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA HANNSTAR HANNSTAR TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN SHARP SHARP HITACHI HITACHI IBMITSX94S UNIPAC HYUNDAI HYUNDAI ACERL170E3 CHIMEI CHIMEI CHIMEI CHIMEI VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE LT140X1-002 LT150XS-L01 LT150XS-L01-B LTM150XS-L02 LT181E2-132 LT150XS-T01 LTM181E
CONFIDENTIAL Copyright Trademarks © 2002 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. MO17P*/MO17E* and Macmaster Cable Adapter are trademarks of Sansung Electronics Co., Ltd. All rights reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of Samsung Electronics Co., Ltd.
10 Panel Description CONFIDENTIAL Memo 10-2 MO17P*/MO17E*
CONFIDENTIAL 9 Schematic Diagrams 1 9-2 2 3 4 MO17P*/MO17E*
CONFIDENTIAL 9 Schematic Diagrams 9-2 Schematic Diagram B 2 A 1 +5V_SW D212 BZX84C5V1 C 3 D213 BZX84C5V1 2 B 3 C 6 C1 5 NC 4 C2 1 2 3 4 R219 15K 1/16W R218 15K 1/16W 8 7 6 5 R220 100 100 R223 2 22 A_H*V_SYNC 50V DEG[7:0] DEG(1) DEG(2) DEG(6) DEG(7) DEG(3) DEG(4) AUDIO_POWER_CTL DEG(5) DEB(0) DEB(6) DEB[7:0] +5V AUDIO_DPMS 35 CHK_DSUB 75ohm termination resistor very close to the VGA conn.
CONFIDENTIAL 9 Schematic Diagrams 5 6 7 8 9 11 12 13 14 15 9-4 10 MO17P*/MO17E*
CONFIDENTIAL 9 Schematic Diagrams 9-3 Schematic Diagram +14V IC101 LM2596S-5.0 +14V_INV +5V +5V C190 C191 1uF 1uF +5V_M +5V +5V_SW PANEL_5V R199 10K 5 OUT F_B GND 1 ON_OFF GND1 6 Vin 4 L112 3.3UH L101 22uH 3 C110 100nF 16V C102 100nF 16V D101 SK34 PGND IC105 SI9933ADY-T1 R109 1K C106 82uF 16V C108 100nF 16V R108 10K 2 C109 82uF 6.3V C111 100nF 16V R101 C113 100nF 16V C112 100nF 16V R107 4.
9 Schematic Diagrams CONFIDENTIAL Memo 9-6 MO17P*/MO17E*
8 Wiring Diagram CONFIDENTIAL Memo 8-2 MO17P*/MO17E*
7 Block Diagrams CONFIDENTIAL 7-2 MO17E* 7-2 MO17P*/MO17E*
CONFIDENTIAL 6 Electrical Parts List Loc. No. C145 C146 C147 C148 C149 C150 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C161 C162 C163 C164 C165 C166 C167 C168 C169 C170 C171 C180 C181 C182 C183 C189 C190 C197 C199 C201 C202 C203 C204 C205 C206 C207 C210 C211 C212 C213 C218 C219 C300 C301 C302 C303 C304 C350 6-2 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. C351 C352 C353 C357 C358 C359 C410 C411 C412 C413 C414 C415 C416 C417 C601 C602 C603 C604 C605 C606 C623 C624 C633 C634 C635 C636 C637 CN102 CN202 CN402 CN601 D101 D201 D203 D204 D205 D206 D207 D212 D213 D214 D215 D216 D217 D218 D219 D220 D221 D222 D223 D602 D603 FT101 FT102 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. FT198 FT199 FT402 FT403 FT404 FT405 IC101 IC103 IC104 IC105 IC199 IC201 IC202 IC203 IC301 IC302 IC302_SOCK IC303 IC305 IC401 IC402 JP10 JP15 JP9 L100 L101 L108 L109 L110 L111 L112 MP1.0 Q101 Q102 Q201 R101 R105 R106 R107 R108 R109 R190 R197 R198 R199 R201 R202 R203 R204 R205 R207 R208 R209 R210 6-4 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 R225 R226 R227 R228 R229 R230 R231 R232 R236 R237 R252 R270 R302 R321 R322 R324 R329 R330 R331 R334 R350 R353 R354 R357 R358 R359 R360 R361 R362 R363 R364 R365 R366 R391 R392 R395 R396 R410 R411 R412 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. R413 R414 R415 R416 R417 R418 R419 R420 R421 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R612 R617 R626 R627 R690 R691 R692 R693 R694 R695 R696 R697 R698 R699 R709 R710 RA301 RA302 RA303 RA304 RA305 RA306 RA307 RA308 RA309 RA310 RA311 RA312 RA313 RA314 X301 6-6 Code No.
CONFIDENTIAL 6 Electrical Parts List 6-1-2 MO17P* Others Loc. No. Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. Code No.
CONFIDENTIAL 6 Electrical Parts List 6-2-1 MO17E* Main PCB Parts Loc. No. Code No. Description Specification CIS1 CIS2 CIS4 CIS5 CIS6 CIS7 CIS3 CIS11 CIS10 BN94-00357A 0201-001223 0202-001044 0202-001046 0202-001162 0202-001222 0204-001095 BN39-00002A BN63-00433A BN63-00435A ASSY PCB MAIN ADHESIVE-TS SOLDER-WIRE. SOLDER-WIRE FLUX SOLDER-CREAM SOLDER-WIRE FLUX THINNER CBF-HARNESS GASKET GASKET MO17ES HT-130S,RED,700+/- 50,S63S-W3.0,S63S,D3,63Sn/37Pb,CF-110VH-2A,-,-,-,RMA-20-21L,S63,-,SN63/PB36.
CONFIDENTIAL 6 Electrical Parts List Loc. No. C146 C147 C148 C149 C150 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C161 C162 C163 C164 C165 C166 C167 C168 C169 C170 C171 C180 C181 C182 C183 C189 C190 C197 C199 C201 C202 C203 C204 C205 C206 C207 C210 C211 C213 C218 C219 C300 C301 C302 C303 C304 C350 C351 6-10 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. C352 C353 C357 C358 C359 C410 C411 C412 C413 C414 C415 C416 C417 C601 C602 C603 C604 C605 C606 C623 C624 C633 C634 C635 C636 C637 CN102 CN202 CN402 CN601 D101 D201 D203 D212 D213 D214 D215 D216 D602 D603 FT101 FT102 FT198 FT199 FT402 FT403 FT404 FT405 IC101 IC103 IC104 IC105 IC199 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. IC201 IC203 IC301 IC302 IC302_SOCK IC303 IC305 IC401 IC402 JP10 JP15 JP9 L100 L101 L108 L109 L110 L111 L112 MP1.0 Q101 Q102 Q201 R101 R105 R106 R107 R108 R109 R190 R197 R198 R199 R201 R202 R203 R204 R205 R206 R207 R208 R209 R218 R219 R220 R221 R222 R223 R224 R236 R237 R252 R270 6-12 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. R302 R321 R322 R324 R329 R330 R331 R334 R350 R353 R354 R357 R358 R359 R360 R361 R362 R363 R364 R365 R366 R391 R392 R395 R396 R399 R410 R411 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R612 R617 R626 R627 R690 Code No.
CONFIDENTIAL 6 Electrical Parts List Loc. No. R691 R692 R693 R694 R695 R696 R697 R698 R699 R709 RA301 RA302 RA303 RA304 RA305 RA306 RA307 RA308 RA309 RA310 RA311 RA312 RA313 RA314 X301 6-14 Code No.
CONFIDENTIAL 6 Electrical Parts List 6-2-2 MO17E* Others Loc. No. Code No. Description Specification Remarks CIS C/R C/R BN90-00386A BN96-00143A BN63-00350A BN73-00020A ASSY COVER REAR ASSY COVER P-REAR COVER-REAR RUBBER-FOOT MO17PS MO17PS/ES,ABS HB,BK07 MO17PS,ABS HB,BK07 MO15PS/ES,RUBBER,T 1.
CONFIDENTIAL 6 Electrical Parts List Loc. No. Code No.
5 Exploded View & Parts List CONFIDENTIAL Memo 5-2 MO17P*/MO17E*
CONFIDENTIAL 4 Troubleshooting 4-2-1 No Video [Analog] Check signal cable and connection. Does the video signal appear at the Pin 48, 47, 46, 45, 42, 41, 40, 39, 38, and 37 of 9 8 7 6 5 IC401? Yes Is Pin 2(BKLT_EN) of IC203 High? Yes Check TFT-LCD panel and Inverter. No Check IC301 and related circuit. No Does the input signal appear at Pin 116, 117, 115 and 119 of 1 4 3 2 IC301 (DHS,DVS,DEN,DCLK)? Yes Replace IC301.
CONFIDENTIAL 4 Troubleshooting 4-2-2 No Video [Digital] Check signal cable and connection. Does the video signal appear at the Pin 48, 47, 46, 45, 42, 41, 40, 39, 38, and 37of IC401? 6 9 8 7 5 Yes Is Pin 2(BKLT_EN) of IC203 High? Yes Check TFT-LCD panel and Inverter. No Check IC301 and related circuit. No Does the input signal appear at Pin 116, 117, 115 and 119 of 1 4 3 2 IC301 (DHS,DVS,DEN,DCLK)? No Replace IC301. 12 Does the signals appear at R216, R217, 13 Yes 14 15 No Check PC Signal.
CONFIDENTIAL 4 Troubleshooting WAVEFORMS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 4-4 MO17P*/MO17E*
3 Disassembly and Reassembly CONFIDENTIAL 4. Remove 2 screws on the hinge mounting. Do not remove the screw for cable clamp. 5. Disconnect the stand cable from socket and remove stand assembly. 6. Remove 2 screws of cover rear. 7. Open the cover rear by using opening jig. 8. Remove screws arround bracket panel and pull out function wire from socket.
3 Disassembly and Reassembly CONFIDENTIAL 9. Seperate shield ass’y and panel ass’y. 10. Remove screws on main board and inverter board.
3 Disassembly and Reassembly CONFIDENTIAL 3-2 Replacement Order of Lamp Assemblies 1. After confirm there is nothing on the disk Turn the LCD module over and put it on a flat desk set to the ground. 2. Push down the stopper and slide the lamp unit. 3. Please take out the lamp unit from the LCD module.
3 Disassembly and Reassembly CONFIDENTIAL 4. Please fix the new lamp units on the LCD module : opposite process 2 and 3 * Replacement of lamp unit should be done at the power off state and recommanded clean bench condition. 3-3 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures.
3 Disassembly and Reassembly CONFIDENTIAL Memo 3-6 MO17P*/MO17E*
CONFIDENTIAL 2 Product Specifications 2-2 Pin Assignments Sync Type 15-Pin D-Sub Signal Cable Connector Separate Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red video Green video Blue video GND GND (DDC Return) Red video GND Green video GND Blue video GND No Connection Sync.-GND/Self Test GND DDC Data H-Sync. V-Sync. DDC Clock Sync Type Composite Red video Green video Blue video GND GND (DDC Return) Red video GND Green video GND Blue video GND No Connection Sync.-GND/Self Test GND DDC Data H/V-Sync.
CONFIDENTIAL 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.
2 Product Specifications CONFIDENTIAL 2-3-2 Supported Modes (1) 2-4 MO17P*/MO17E*
2 Product Specifications CONFIDENTIAL 2-3-2 Supported Modes (2) MO17P*/MO17E* 2-5
2 Product Specifications CONFIDENTIAL 2-3-2 Supported Modes (3) 2-6 MO17P*/MO17E*
2 Product Specifications CONFIDENTIAL 2-3-2 Supported Modes (4) MO17P*/MO17E* 2-7
2 Product Specifications CONFIDENTIAL Memo 2-8 MO17P*/MO17E*
CONFIDENTIAL 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.
Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BN82-00074A-00 http://www.samsungmonitor.com (SyncMaster Worldwide) http://www.samsung-monitor.com (SyncMaster USA) http://www.sec.co.
