Samsungメーカー205BWの使用説明書/サービス説明書
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SERVICE Manual LCD Monitor F ashion F ea ture L CD-Monitor Chassis LHA20WS Model 205BW - Premium HAS application(Lift 80mm) - Magic Rotation application (Auto pivot Delete) - Embeded Power, Mechanical.
ii Copyright © 2006 by Samsung 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.
1 1 . P recautions ……………………………………………………………………………………………………………………………………… 1 1 -1 1-1 Safety Precautio.
8 8 . Wiring Diagram ………………………………………………………………………………………………………………………………… 8 8 -1 9.
Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Gyeonggi-Do, Korea, 443-742 Printed in Korea P/N : BN82-00136G-00 URL : http://itself.sec.samsung.co.kr/ -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.
10 Operating Instructions and Installation 10-1 10 Oper a ting Instr uctions and Installation 10-1 F r ont 1. Menu button Opens the OSD menu. Also use to exit the OSD menu or return to the previous menu. 2. MagicBright button MagicBright is a new feature providing optimum viewing environment depending on the contents of the image you are watching.
10 Operating Instructions and Installation 10-2 1. POWER S/W : Switch the monitor on and off. 2. POWER IN : Power cord, plugs into monitor and wall receptacle. 10-2 R ear 4. Enter button / Source button Activates a highlighted menu item. / Push the 'SOURCE', then selects the video signal while the OSD is off.
10 Operating Instructions and Installation 10-3 RGB IN port : Connect the signal cable to the RGB IN port on the back of your monitor. (SOURCE : analog) Kensington Lock : The Kensington lock is a device used to physically fix the system when using it in a public place.
10 Operating Instructions and Installation 10-4 10-3 Using the Stand 10-3-1 Removing the base 1. Turn off your monitor and unplug its power cord. 2. Lay the LCD monitor face-down on a flat surface with a cushion beneath it to protect the screen. 3. Remove four screws(A) and then remove the Stand from the LCD monitor.
10 Operating Instructions and Installation 10-5 A. Monitor B. Mounting interface pad 1. Turn off your monitor and unplug its power cord. 2. Lay the LCD monitor face-down on a flat surface with a cushion beneath it to protect the screen. 3. Remove four screws and then remove the stand from the LCD monitor.
Memo 10 Operating Instructions and Installation 10-6.
12 PCB Daigram 12-1 12 PCB Diag ram.
12 PCB Diagram 12-2 Memo.
11 Disassembly and Reassembly 11-1 11 Disassembl y and R eassembl y This section of the service manual describes the disassembly and reassembly procedures for the LHA20WS TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices.
11 Disassembly and Reassembly 11-2 11-2 R eassembly Reassembly procedures are in the reverse order of disassembly procedures. 3. Separate cable Main Board and Separate screw between Shield PCB and Bracket PCB.(2 point) 4. Separate screw Between Shield PCB and Panel.
13 Circuit Descriptions 13-1 13 Cir cuit Descriptions 13-1 Block description.
13 Circuit Descriptions 13-2 13-2 Block operating No Feature Description Scaler Integrate ADC and TMDS, Scaling part. DDR memory Save frame information that SCALER needed .
- TFT-LCD (Thin film Transistor Liquid Crystal Display) ADC(Analog to Digital Converter) This is a circuit that converts from analog signal to digital signals. - PLL(Phase Locked Loop) During progressing ADC, Device makes clock synchronizing HSYNC with Video clock - Inverter Device that supplies Power to LCD panel lamp.
14 Reference Infomation 14-2 - Dot Pitch The image on a monitor is composed of red, green and blue dots. The closer the dots, the higher the resolution.
- Connecting the Monitor 14 Reference Infomation 14-3 1. Connect the DC adapter for your monitor to the power port on the back of the monitor. Plug the power cord for the monitor into a nearby outlet. 2-1. Using the D-sub (Analog) connector on the video card.
14 Reference Infomation 14-4 Sync Type Pin No. 15-Pin D-Sub Signal Cable Connector Separate Composite 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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.
14 Reference Infomation 14-5 Separate Sync 14-3 Timing Char t C D A O E B P Video Sync Sync Video Q R S A : Line time total 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 H/V Composite Sync Sync-on-Green 79.
14 Reference Infomation 14-6 14-4 Preset Timing Modes Sync Polarity (H/V) Pixel Clock (MHz) Vertical Frequency (Hz) Horizontal Frequency (kHz) Display Mode MAC, 640 x 480 35.000 66.667 30.240 -/- MAC, 832 x 624 49.726 74.551 57.284 -/- IBM, 640 x 350 31.
14-5 Panel Description 14 Reference Infomation 14-7 SEC LT140X1-002 BN07-00004A SA BN68-00239H - SEC LT150XS-L01 BN07-00009A SB - SEC LT150XS-L01-B BN07-00022A SC - SEC LTM150XS-L02 BN07-00005A SD - S.
14 Reference Infomation 14-8 SEC LTA460H1-L01 BN07-00157A E22 "creat panel code for AMLCD 46"" TV " SEC LTM170EU-L11 BN07-00160A E23 "creat new panel code for AMLCD 17"&q.
14 Reference Infomation 14-9 TORISAN TM290WX-71N31 BN07-00115A RN "Color Coordinates change panel for TORISAN 29"" TV" TORISAN TM396WX-71N31 BN07-00116A RP,Q "Color Coordinate.
Memo 14 Reference Infomation 14-10.
4 Troubleshooting 4-1 4 T roubleshooting 4-1 No P o wer Does proper DC 14 V appear at Pin 1,2,5 of CN600? Check the IP Board. There is no light in the power indicator. Check IC200 and IC301. Yes No Does proper DC 5V appear at Output of IC302? Check the IC302 Yes No Does proper DC 3.
4 Troubleshooting 4-2 WA VEFORMS 2 1 3 4.
4 Troubleshooting 4-3 Is pin9 of CN500(BKLT_EN)high(3.3V)? 4-2 No Video (PC Analog Signal) 5 Check TFT_LCD panel or inverter and connection between then. Yes No Does the analog video signal appear at R134, 136, 138 (Red,Green,Blue)? Check pc signal. Yes No Does the X300 oscilate Properly? Check the X300.
4 Troubleshooting 4-4 WA VEFORMS 6 5 8 7.
4 Troubleshooting 4-5 Is Pin9 of CN500(BKLT_EN)high(3.3V)? 4-3 No Video (PC Digital Signal) 1 Check TFT_LCD panel or inverter and connection between then. Yes No Does the Digital video signal appear at R100 ~ R107? Check PC signal. Yes No Does the proper clock pules appear at Pin6,7 of the CN400? Check IC300.
4 Troubleshooting 4-6 WA VEFORMS 8 1 9.
3 Alignments and Adjustments 3-1 3-1 R equired Equipment The following equipment is necessary for adjusting the monitor: Computer with Windows 95, Windows 98, Windows NT, Windows 2000, or Windows XP. MTI-2031 DDC MANAGER JIG 3-2 Automa tic Color Adjustment To Analog video, In 16gray or any pattern using black and white and any mode.
3 Alignments and Adjustments 3-2 3-4 Ser vice Function Spec. 3-4-1 How to Display Ser vice Function OSD 1. After setting both brightness and contrast to '0' push the 'enter' button more than 5 seconds. 2. service function appear as below .
3 Alignments and Adjustments 3-3 3-5 Hidden K ey list No 1. Hidden Service Function -. After setting brightness and contrast '0' push the "Enter" button more than 5 seconds. -. Service Function appear. 2. Factory Reset -. While Menu is opened(any menu), press "enter" key over 5 seconds.
3 Alignments and Adjustments 3-4 3-6 DDC Input Method(W indo ws Pr ogr am) 1. Winddc.exe Program install in PC 2. Cilck the Winddc icon. 3. File open. 4. Select Port#1 Load DDC fileFile Name -. "SM205BWA.ddc" -. "SM205BWD.ddc" Click Next(OK) button.
3 Alignments and Adjustments 3-5 3-7 Execution Items after replacing the main boar d After Replacing the Maing Board 1. Auto Calibration 2. EDID installation(Analog and Digital) 3. Factory Reset 5: Input a monitor serial number and push the enter key.
Memo 3 Alignments and Adjustments 3-6.
6 Electrical P ar ts List - You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 6-1 LS20HAWCSZ/EDC P ar ts List 6 Electrical Parts List 6-1 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LS20HAWCSZ/EDC 205BW,WPA1/S20B2-LHA,20,LCD-MO,NETHERLAN 0.
6 Electrical Parts List 6-2 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ...3 T0132 BN73-00077A RUBBER FOOT;MATISSE,BUMPON,¨ª13.5,T2.0,6 4 S.N.A ...3 T0081 BN73-00085A RUBBER CUSHION;MATISSE,¨ª4.5(IN SIDE),CL 1 S.N.A ..
....4 D231 0403-001411 DIODE-ZENER;-,5.49-5.73V,200mW,SOD-323,T 1 S.A ....4 D221 0406-001061 DIODE-TVS;MMQA5V6T3,5.32/5.6/5.88V,24W,S 1 S.A ....4 D232 0406-001061 DIODE-TVS;MMQA5V6T3,5.32/5.6/5.88V,24W,S 1 S.A ....4 ZD200 0406-001061 DIODE-TVS;MMQA5V6T3,5.
6 Electrical Parts List 6-4 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 R311 2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608 1 S.A ....4 R330 2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608 1 S.A ....4 R331 2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608 1 S.
....4 C201 2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,1608 1 S.A ....4 C202 2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,1608 1 S.A ....4 C300 2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,1608 1 S.A ....4 C313 2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,1608 1 S.A ...
6 Electrical Parts List 6-6 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 C653 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 1 S.A ....4 C304 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 1 S.A ....4 C305 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 1 S.
....4 T0081 BN59-00509C S/W DRIVER-06,IB;203BW,W/W,SyncMaster,Ha 1 S.N.A ...3 ACCESSORY BN68-01237A MANUAL FLYER-QSG;COMM,W/W(L12),Mojo 100g 1 S.N.A ...3 ACCESSORY BH68-00633B MANUAL FLYER-00,WARRANTY CARD;comm,Samsu 1 S.N.A ...3 ACCESSORY BN68-01118B MANUAL-01,TCO03 CARD;COMM,W/W,Mojo 100g, 1 S.
6 Electrical Parts List 6-8 Memo.
7 Block Diagrams 7-1 7 Bloc k Dia gr am.
7 Block Diagrams 7-2.
8 Wiring Diagram 8-1 8 W iring Diag ram Connected to the I/P board Connected to the Panel through the L VDS cable For DVI signal For Analog signal For function key For test(not used).
8 Wiring Diagram 8-2 Memo.
1 Precautions 1-1 1-1-1 War nings 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. 1-1-2 Ser vicing the L CD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet.
1 Precautions 1-2 1-2-1 General Ser vicing Precautions 1. Always unplug the unit’s AC power cord from the AC power source and disconnect the DC Power Jack before attempting to: (a) remove or reinstall any component or assembly, (b) disconnect PCB plugs or connectors, (c) connect a test component in parallel with an electrolytic capacitor.
1 Precautions 1-3 1-4 Installation Precautions 1. For safety reasons, more than two people are required for carrying the product. 2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. 3. Do not place the product in areas with poor ventilation such as a bookshelf or closet.
1 Precautions 1-4 Memo.
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Samsung 205BWをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはSamsung 205BWの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Samsung 205BWの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Samsung 205BWで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
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ですが、ユーザガイドが果たす重要な役割の一つは、Samsung 205BWに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちSamsung 205BWデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
