Samsung LT-P2045P Servisní příručka

TFT-LCD TVChassis ModelGPL15KE LW15M23CPLW15M25CPGPL17KE LW17M24CPGPL20KE LW20M21CPLW20M22CPLW20M25CPManualSERVICETFT-LCD TV Fashion Feature- Easy-to-

3 Alignments and Adjustments3-23-2 How to Access Service Mode3-2-1 Entering Factory Mode1. To enter “Service Mode” Press the remote -control keys in t

3 Alignments and Adjustments3-3NVRAM Reset ¢”¢”DLC- 0-10 0MWE- 0-1 1Demo 0-1 0Brightness+ 0-255 100Contrast+ 0-255 113Sharp

3 Alignments and Adjustments3-4BKS- 0-1 1WSx- 0-3 20 0 0 0 0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 19 26 ….. UOC Adjust

3 Alignments and Adjustments3-53-4-1 EDID input method3-4 Service Adjustment3-4-2 EDID input method (Windows Program)-SAMSUNG LCD TV support the DDC c

3 Alignments and Adjustments3-63. Select Connected Port#1 and Click Next OK.4. Select Connected Port#1 and Click Next OK.Find file name : 15 inch : V

3 Alignments and Adjustments3-78. Check "DDC OK".3-4-3 Micom ( TDA15001H) Program Upgrade1. Program Upgrade Jig 2. Connect the parallel P

3 Alignments and Adjustments3-83. Connect Jig to CN905 on PCB Ass'y4. Click " WISP " Icon on Computer5. Check "Automatic mode on&

1 Precautions1-11-1-1 Warnings1. For continued safety, do not attempt to modify thecircuit board.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. For safety reasons, more than two people are required for carrying the product.2. Keep the power cord away from any heat emittingdevices, as a me

Samsung Electronics Co.,Ltd.416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Gyeonggi-Do, Korea, 443-742Printed in KoreaP/N : BN82-00131H-01URL : http://i

Memo1 Precautions1-4

5 Exploded View & Parts List5-15 Exploded View and Parts List- You can search for updated part codes through ITSELF web site.URL : http://itself.s

5 Exploded View & Parts List5-2Location Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-01103J ASSY COVER P-FRONT;PLUS,15EO,ABS

5 Exploded View & Parts List5-35-2 LW17M24CPT0003M0215T0447M0147M0003M0014M0013

5 Exploded View & Parts List5-4Location Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-02097H ASSY COVER P-FRONT;PLUS,17EO,ABS

5 Exploded View & Parts List5-55-3 LW20M21CP, LW20M22CP, LW20M25CPT0003M0215M0147M0014M0013M0014

5 Exploded View & Parts List5-6Location Code.No Item & Specification Q'ty SA/SNA RemarkT0003 BN96-01158U ASSY COVER P-FRONT;PLUS,20EO,ABS

12 PCB Layout12-112 PCB Layout12-1 Main PCB Layout(Top)TUNERFunctionSpeakerI/P BoardSCALERTSU396AWJTDA15001HSAWFILTER

12 PCB Layout12-212-1-2 Power board (LW15M23CP)

12 PCB Layout12-312-1-2 Power board (LW17M24CP, LW20M21CP)

7 Block Diagrams7-17 Block Diagram

12 PCB Layout12-4Memo

4 Troubleshooting4-14 Troubleshooting4-1 First Checklist for Troubleshooting1. Check the various cable connections first.- Check to see if there is a

4 Troubleshooting4-24-2 Checkpoints by Error Mode4-2-1 No PowerDoes proper DC 14V/5Vappear at Pin 3. Pin 9 ofCN100?Check connector Pin3, Pin9 inI/P Bo

4 Troubleshooting4-3WAVEFORMS1 2536447 8

4 Troubleshooting4-44-2-2 No Picture (TV, Video, S-Video, Component)Check R882(TV)Check C884(Video)Check C851, C852(S-Video)Check C511,C513,C515(Compo

4 Troubleshooting4-5Does the signal appear at C883,C880(TV) and C849, C850(PC) and C881,C882(Component) Pin 117, of IC800 (VCTj)?Check the TU01 (TV T

4 Troubleshooting4-6Memo

14 Reference Infomation14-1-Dot PitchThe image on a monitor is composed of red, green and blue dots. The closer the dots, the higher the res-olution.

14 Reference Infomation14-2-EIAJ Electronic Industries Association of Japan.-RF CableA round signal cable generally used for TV antennas. -Satellite B

14 Reference Infomation14-314-2 Pin Assignments123456789101112131415RCA WhiteRCA RedCVBSAudio LGNDAudio RGND14-2-3 A/VRCA YellowPinSeparate12345GNDYCG

Memo7 Block Diagrams7-2

14 Reference Infomation14-4Separate Sync14-3 Timing ChartThis section of the service manual describes the timing that the computer industry recognizes

14 Reference Infomation14-514-4 Preset Timing ModesIf the signal transferred from the computer is the same as the following Preset Timing Modes, the s

14 Reference Infomation14-614-5 Panel DescriptionSEC LT140X1-002 BN07-00004A SA BN68-00239H -SEC LT150XS-L01 BN07-00009A SB -SEC LT150XS-L01-B BN07-00

14 Reference Infomation14-7SEC LTM170W1-L01 BN07-00112A S4 Color coordinates change 0.280/0.290, 10000k & ZPD PanelSEC LTM170EH-L05 BN07-00113A

14 Reference Infomation14-8SEC LTA460W2-L03 BN07-00187A SPZ BEETOVEN 46"ZPD new panelSEC LTM240M1-L01 BN07-00195B SPZ 24" igh brightness

14 Reference Infomation14-9TORISAN TM181SX-76N01 BN07-00048A RC -TORISAN TM150XG-26L06 BN07-00059A RD 15" XGA TN MODE(ZPD)TORISAN TM290WX-71N31

14 Reference Infomation14-10ACER M170EN05 BN07-00102A AC ZPD Panel code ACER M190EN02 BN07-00170A AMH "AU Monitor 19"" new panel develo

11 Disassembly and Reassembly11-1WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components.Cautio

11 Disassembly and Reassembly11-23. Remove 11 screws from the boards and disconnect inverter cables from the boards.4. Disconnect LVDS cable, function

11 Disassembly and Reassembly11-36. Lift up the panel shield and disconnect panel from the front.11-2 LW17M24CP Disassembly1. Place LCD TV face down o

13 Circuit Descriptions13-113 Circuit Descriptions13-1 Overall Block Structure

11 Disassembly and Reassembly11-43. Remove 13 screws from the boards and remove 2 hold inverter from the boards.Disconnect inverter cable, speaker cab

11 Disassembly and Reassembly11-56. This picture shows cover front after disconnecting the panel from it.11-3 LW20M21CP, LW20M25CP Disassembly1. Place

11 Disassembly and Reassembly11-62. Remove 3 screws on stand and disconnect cover rear after inserting stand completely into stand. (Note : If stand i

11 Disassembly and Reassembly11-75. Remove 8 screws from the shield panel and lift up the panel.1. After confirm there is nothing on the desk, turn th

11 Disassembly and Reassembly11-811-5 ReassemblyReassembly procedures are in the reverse order of disassembly procedures.4. Please fix the new lamp un

2 Product Specifications2-12 Product specifications2-1 Fashion Feature- Easy-to-use remote control- Easy-to-use on-screen menu system- Automatic timer

2 Product Specifications2-22 Product Specifications2-2 LW15M23CP, LW15M25CP SpecificationsLCD PanelTFT-LCD panel, RGB vertical stripe, normaly white,

2 Product Specifications2-32-2 LW17M24CP SpecificationsLCD PanelTFT-LCD panel, RGB vertical stripe, normaly white, 17-Inch viewable, 0.511 (H) x 0.511

2 Product Specifications2-42-3 LW20M21CP, LW20M22CP, LW20M25CP SpecificationsLCD PanelTFT-LCD panel, RGB vertical stripe, normaly white, 20-Inch viewa

2 Product Specifications2-52-4 Spec Comparison LW15M23C, LW17M24C, LW20M21CModelDesignFFrequencyHorizontalVerticalDisplay ColorLW15M23C : 30 ~ 69 kHz

13 Circuit Descriptions13-213-2-1 MAIN BOARD POWER TREE13-2 Partial Block Description

2 Product Specifications2-62-5 Option SpecificationItem Item NameRemote Control /Batteries (AAA x 2)Power CordOwner' sInstructionsWall Mount kit(

10 Operating Installations and Installation10-110 Operating Installations and Installation10-1 Product Features10-1-1 Front1. SOURCEDisplays a menu of

10 Operating Installations and Installation10-210-1-2 BackPower InputOption<LCU ><LW15MLLPower InputLW17M24CPLW15M23CP,LW20M21CP

10 Operating Installations and Installation10-31. Connecting an Aerial or Cable Television Network (depending on the model)To view television channels

10 Operating Installations and Installation10-410-1-3 Remote Control- The performance of the remote control may be affected by bright light.

10 Operating Installations and Installation10-5 - The performance of the remote control may be affected by bright light.

10 Operating Installations and Installation10-610-2 Installation Notes and Precautions10-2-1 Using the Anti-Theft Kensington LockThe Kensington lock i

10 Operating Installations and Installation10-710-2-2 Retractable StandNote: The maximum tilt angle is 13 degrees in the backward direction.Please do

10 Operating Installations and Installation10-810-2-3 Installing VESA compliant mounting devicesSCARTSCARTSCART<1> Fold the stand pressing the

10 Operating Installations and Installation10-910-2-4 Installing the Wall Mount Kit(LW15M23CP, LW17M24CP)Note : This installation is to be used when

13 Circuit Descriptions13-313-2-2 WIRING DIAGRAM CN100(9P) : To IP BoardCN401(30P) : To 15",17" PanelCN402(50P) : To 20" PanelCN905(5P)

10 Operating Installations and Installation10-10Adjust LCD TV to the hook on the bracket and move in the direction of the arrow(Left) so that LCDTV ca

10 Operating Installations and Installation10-1110-2-5 Installing the Wall Mount Kit(LW20M21CP)Note : This installation is to be used when attaching

10 Operating Installations and Installation10-12Adjust LCD TV to the hook on the bracket and move in the direction of the arrow(Left) so that LCDTV ca

8-18 Wiring Diagrams8 Wiring DiagramCN100(9P) : To IP BoardCN401(30P) : To 15",17" PanelCN402(50P) : To 20" PanelCN905(5P) : To Program

8 Wiring Diagrams8-2Memo

6 Electrical Parts List-You can search for updated part codes through ITSELF web site.URL : http://itself.sec.samsung.co.kr/6-1 LW20M22CPX/XEC Parts l

6 Electrical Parts List6-2Level Loc. No. Code No. Description & Specification Q'ty SA/SNA..2 M0014 BN94-00747G ASSY PCB MAIN;LW20M21CPX/XEC,P

6 Electrical Parts List6-3Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 D602 0403-001435 DIODE-ZENER;QZX363C5V6,5.32-5

6 Electrical Parts List6-4Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R816 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,160

6 Electrical Parts List6-5Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R901 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,16

13 Circuit Descriptions13-4

6 Electrical Parts List6-6Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 R925 2007-000402 R-CHIP;150ohm,5%,1/10W,TP,160

6 Electrical Parts List6-7Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C502 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1

6 Electrical Parts List6-8Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C404 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,

6 Electrical Parts List6-9Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 C601 2203-006036 C-CER,CHIP;680NF,+80-20%,16V,

6 Electrical Parts List6-10Level Loc. No. Code No. Description & Specification Q'ty SA/SNA...4 T0568 3301-000314 BEAD-SMD;120ohm,1.6x0.8x0.8

9 Schematic Diagrams9-19 Schematic Diagrams-This Document can not be used without Samsung's authorization.9-1 Input Power Sound Schematic Diagram

9 Schematic Diagrams9-21 253647 8

9 Schematic Diagrams9-3-This Document can not be used without Samsung's authorization.9-2 UOC III Schematic Diagram

9 Schematic Diagrams9-49

9 Schematic Diagrams9-5-This Document can not be used without Samsung's authorization.9-3 Output Scaler, LVDS Schematic Diagram

3 Alignments and Adjustments3-13 Alignments and Adjustments3-1 Service Instruction1. Usually, a color TV-VCR needs only slight touch-up adjustment upo

9 Schematic Diagrams9-6- This Document can not be used without Samsung’s authorization.9-4 IP Board Schematic Diagram(LE15S51BP)

9 Schematic Diagrams9-7

9 Schematic Diagrams9-8

9 Schematic Diagrams9-9- This Document can not be used without Samsung’s authorization.9-5 IP Board Schematic Diagram(LE20S51BP)

9 Schematic Diagrams9-10