Samsung DVD-C637 Service Manual

SERVICEManualLCD MonitorFashion FeatureLCD-MonitorChassis LHA20WSModel 205BW- Premium HAS application(Lift 80mm)- Magic Rotation application(Auto pivo

10 Operating Instructions and Installation10-5A. Monitor B. Mounting interface pad 1. Turn off your monitor and unplug its power cord. 2. Lay the LCD

Memo10 Operating Instructions and Installation10-6

12 PCB Daigram12-112 PCB Diagram

12 PCB Diagram12-2Memo

11 Disassembly and Reassembly11-111 Disassembly and ReassemblyThis section of the service manual describes the disassembly and reassembly procedures f

11 Disassembly and Reassembly11-211-2 ReassemblyReassembly procedures are in the reverse order of disassembly procedures.3. Separate cable Main Board

13 Circuit Descriptions13-113 Circuit Descriptions13-1 Block description

13 Circuit Descriptions13-213-2 Block operatingNo Feature DescriptionScaler Integrate ADC and TMDS, Scaling part.DDR memory Save frame information tha

- TFT-LCD(Thin film Transistor Liquid Crystal Display)ADC(Analog to Digital Converter) This is a circuit that converts from analog signal todigital si

14 Reference Infomation14-2- Dot PitchThe image on a monitor is composed of red, greenand blue dots. The closer the dots, the higher theresolution. Th

iiCopyright©2006 by Samsung Electronics Co., Ltd.All rights reserved.This manual may not, in whole or in part, be copied,photocopied, reproduced, tran

- Connecting the Monitor14 Reference Infomation14-31. Connect the DC adapter for your monitor to the power port on the back of the monitor. Plug the

14 Reference Infomation14-4SyncTypePin No.15-Pin D-Sub Signal Cable ConnectorSeparate Composite123456789101112131415RedGreenBlueGNDDDC Return (GND)GND

14 Reference Infomation14-5Separate Sync14-3 Timing ChartC DAOEBPVideoSyncSyncVideoQ R SA : Line time total B : Horizontal sync width O : Frame time t

14 Reference Infomation14-614-4 Preset Timing ModesSync Polarity(H/V)Pixel Clock(MHz)Vertical Frequency(Hz)HorizontalFrequency(kHz)Display ModeMAC, 64

14-5 Panel Description14 Reference Infomation14-7SEC LT140X1-002 BN07-00004A SA BN68-00239H -SEC LT150XS-L01 BN07-00009A SB -SEC LT150XS-L01-B BN07-00

14 Reference Infomation14-8SEC LTA460H1-L01 BN07-00157A E22 "creat panel code for AMLCD 46"" TV "SEC LTM170EU-L11 BN07-00160A E

14 Reference Infomation14-9TORISAN TM290WX-71N31 BN07-00115A RN "Color Coordinates change panel for TORISAN 29"" TV"TORISAN TM396W

Memo14 Reference Infomation14-10

4 Troubleshooting4-14 Troubleshooting 4-1 No Power Does proper DC 14 Vappear at Pin 1,2,5of CN600?Check the IP Board.There is no light in the power in

4 Troubleshooting4-2WAVEFORMS213 4

11. Precautions………………………………………………………………………………………………………………………………………11-11-1 Safety Precautions ……………………………………………………………………………………………………………………… 1-11-2 Ser

4 Troubleshooting4-3Is pin9 ofCN500(BKLT_EN)high(3.3V)?4-2 No Video (PC Analog Signal)5Check TFT_LCD panel or inverterand connection between then.YesN

4 Troubleshooting4-4WAVEFORMS6587

4 Troubleshooting4-5Is Pin9 ofCN500(BKLT_EN)high(3.3V)?4-3 No Video (PC Digital Signal)1Check TFT_LCD panel or inverterand connection between then.Yes

4 Troubleshooting4-6WAVEFORMS819

3 Alignments and Adjustments3-13-1 Required EquipmentThe following equipment is necessary for adjusting the monitor: Computer with Windows 95, Window

3 Alignments and Adjustments3-23-4 Service Function Spec.3-4-1 How to Display Service Function OSD1. After setting both brightness and contrast to &ap

3 Alignments and Adjustments3-33-5 Hidden Key listNo1. Hidden Service Function -. After setting brightness and contrast '0' pushthe "En

3 Alignments and Adjustments3-43-6 DDC Input Method(Windows Program)1. Winddc.exe Program install in PC2. Cilck the Winddc icon.3. File open.4. Select

3 Alignments and Adjustments3-53-7 Execution Items after replacing the main boardAfter Replacing the Maing Board1. Auto Calibration2. EDID installatio

Memo3 Alignments and Adjustments3-6

88. Wiring Diagram…………………………………………………………………………………………………………………………………88-19. SSchematic Diagrams……………………………………………………………………………………………………………………………99-19-1

6 Electrical Parts List-You can search for updated part codes through ITSELF web site.URL : http://itself.sec.samsung.co.kr/6-1 LS20HAWCSZ/EDC Parts L

6 Electrical Parts List6-2Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...3 T0132 BN73-00077A RUBBER FOOT;MATISSE,BUMPON,¨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 0

6 Electrical Parts List6-4Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R311 2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608

...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

6 Electrical Parts List6-6Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C653 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,

...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...

6 Electrical Parts List6-8Memo

7 Block Diagrams7-17 Block Diagram

7 Block Diagrams7-2

Samsung Electronics Co.,Ltd.416, Maetan-3Dong, Yeongtong-Gu, Suwon City,Gyeonggi-Do, Korea, 443-742Printed in KoreaP/N : BN82-00136G-00URL : http://it

8 Wiring Diagram8-18 Wiring DiagramConnected to the I/P board Connected to the Panel through the LVDS cableFor DVI signalFor Analog signalFor functio

8 Wiring Diagram8-2Memo

1 Precautions1-11-1-1 Warnings1. For continued safety, do not attempt to modify the circuitboard.2. Disconnect the AC power and DC power jack befores

1 Precautions1-21-2-1 General Servicing Precautions1. Always unplug the unit’s AC power cord from the ACpower source and disconnect the DC Power Jack

1 Precautions1-31-4 Installation Precautions1. For safety reasons, more than two people arerequired for carrying the product.2. Keep the power cord a

1 Precautions1-4Memo

10 Operating Instructions and Installation10-110 Operating Instructions and Installation10-1 Front1. Menu buttonOpens the OSD menu. Also use to exit t

10 Operating Instructions and Installation10-21. POWER S/W : Switch the monitor on and off. 2. POWER IN : Power cord, plugs into monitor and wall rece

10 Operating Instructions and Installation10-3RGB IN port : Connect the signal cable to the RGB IN port on the back of your monitor. (SOURCE : analog)

10 Operating Instructions and Installation10-410-3 Using the Stand10-3-1 Removing the base 1. Turn off your monitor and unplug its power cord. 2. Lay