Samsung T220 - SyncMaster - 22" LCD Monitor Bedienungsanleitung

LCD-Monitor

Chassis : LTW22HS / LTW22GS

LTW20HS / LTW20GS

Model :

T220 / T220(G)

T200 / T200(G)

SERVICEManual

TFT-LCD Monitor Contens

T220 / T220(G)

T200 / T200(G)

Refer to the service manual in the GSPN (see the rear cover) for the more information.

1. Precautions

2. Product specications

3. Disassembly and Reassemble

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

7. Schematic Diagram

Contents

1. Precautions.............................................................................................................. 1-1

1-1. Safety Precautions ......................................................................................................... 1-1

1-2. Servicing Precautions..................................................................................................... 1-2

1-3. Static Electricity Precautions .......................................................................................... 1-2

1-4. Installation Precautions .................................................................................................. 1-3

2. Product specications............................................................................................ 2-1

2-1. Feature & Specications................................................................................................. 2-1

2-2. Spec Comparison to the Old Models.............................................................................. 2-2

2-3. Accessories .................................................................................................................... 2-3

2-4. Accessories (Sold separately) ........................................................................................ 2-3

3. Disassembly and Assembly ................................................................................... 3-1

3-1. SIMPLE STAND Disassembly ........................................................................................ 3-1

4. Troubleshooting ...................................................................................................... 4-1

4-1. Troubleshooting .............................................................................................................. 4-1

4-2. When the Power Does Not Turn On ............................................................................... 4-2

4-3. When the screen is blank (Analog)................................................................................. 4-4

4-4. When a blank screen is displayed (Digital)..................................................................... 4-7

4-5. Error Examples and Actions ......................................................................................... 4-10

4-6. Adjustment.................................................................................................................... 4-11

5. Exploded View & Part List ...................................................................................... 5-1

5-1. Exploded View-T200 / T200(G) ...................................................................................... 5-1

5-2. Parts List-T200 / T200(G)............................................................................................... 5-3

5-3. Exploded View-T220 / T220(G) ...................................................................................... 5-4

5-4. Parts List-T220 / T220(G)............................................................................................... 5-6

6. Wiring Diagram........................................................................................................ 6-1

6-1. Wiring Diagram - Main Board ......................................................................................... 6-1

6-2. Wiring Diagram - IP Board.............................................................................................. 6-2

6-3. Connector Functions ...................................................................................................... 6-3

6-4. Cables ............................................................................................................................ 6-3

7. Schematic Diagram ................................................................................................. 7-1

7-1. Circuit Descriptions......................................................................................................... 7-1

7-2. Schematic Diagrams (Scaler Part) ................................................................................. 7-2

7-3. Schematic Diagrams (Power Flowchart) ........................................................................ 7-2

7-4. Schematic Diagrams (IP Board) ..................................................................................... 7-3

7-5. Schematic Diagrams (Main PBA) .................................................................................. 7-5

GSPN (Global Service Partner Network)

Area Web Site

North America http://service.samsungportal.com

Latin America http://latin.samsungportal.com

CIS http://cis.samsungportal.com

Europe http://europe.samsungportal.com

China http://china.samsungportal.com

Asia http://asia.samsungportal.com

Mideast & Africa http://mea.samsungportal.com

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.

Printed in Korea

P/N: BN82-00357A-00

3-1

3. Disassembly and Assembly

This section describes the disassembly and reassembly sequences for this monitor.

Warning: As this monitor has parts that are sensitive to static electricity, be careful when handling them.

3-1. Disassembly

Caution: 1. Turn the monitor off before beginning the disassembly process.

2. When disassembling the monitor, do not use any metal tools except for the provided jig.

3. Disassemble the monitor carefully as directed in the following procedures.

Description Photo Screws

1. Place a soft cloth on the table and place

the monitor onto it with the front part facing

downwards. Hold the monitor set with one hand

and hold and pull the stand body backwards with

the other hand to remove the stand body from the

monitor set.

2. Insert both hands into the groove and then lift up

and remove the cover.

3. Remove the four (2) screws.

4. Remove the INVERTER wire, LVDS cable, and

FUNCTION cable, and then remove the SHIELD-

COVER.

INVERTER,LVDS

FUNCTION

3-2

3. Disassembly and Assembly

Description Photo Screws

5. After disconnecting SHIELD-LAMP of left side,

disassemble lamp wire between panel and IP

Board.

6. Removethefour(4)screwsshowninthegure

and remove the Bracket support.

7. Remove the two (2) screws and then remove the

holders from the four (4) snaps designated in the

rightgureusingtheprovidedjig.

3-3

3. Disassembly and Assembly

Description Photo Screws

8. Remove the connectors.

Caution : Servicing is not supported for the PCB.

▶Assembly

9. The assembly is in the reverse order of the

disassembly.

10. Connect the disassembled snap and the LED

module again.

11.Fixtheconnectingwirewithlamenttape

Caution : If the wire is damaged when closing the

cover, an operating error may occur.

Therefore, make sure to close the

coverafterxingitwithlamenttape.

lamenttape

3-4

3. Disassembly and Assembly

Description Photo Screws

12. The assembly is in the reverse order of the

disassembly. Insert the cover into the groove and

then press both sides.

※The assembly is in the reverse order of disassembly.

5-1

5. Exploded View & Part List

5-1. LS20TWHSUV/XF Exploded View-T200 / T200(G)

T0003

M0215

M0006

M0013

T0312

STD

M0027

BN61-02426A

BN63-03953A

5-2

5. Exploded View & Part List

5-1-1. LS20TWHSUV/XF Parts List

Location No. Code No. Description & Specication Q’ty SA/SNA Remark

T0003 BN96-07381J ASSY COVER P-FRONT;LS20TW,PMMA+ABS,TOC,R 1 S.A

M0215 BN07-00402A LCD-PANEL;M201EW02 V8 1 S.A

BN61-02426A BRACKET-SHIELD;S/M 203B,SPTE,T0.3 1 S.N.A

BN63-03953A SHIELD-LAMP;2043BW/NW[Mckinley],SPTE,T0. 1 S.N.A

M0006 BN96-07384A ASSY SHIELD P-COVER;LS20TW,SECC T0.8 1 S.N.A

M0013 BN96-07382B ASSY COVER P-REAR;LS20TW,PMMA+ABS,HB,H/G 1 S.A

T0312 BN96-07928A ASSY COVER P-REAR SUB;LS20TW,PMMA+ABS HB 1 S.A

STD BN96-07347C ASSY STAND P-BODY;LS22T_NORMAL (SM50C),A 1 S.A

M0027 BN96-07345A ASSY STAND P-BASE;LS22TW,PMMA+ABS, HB,RD 1 S.A

5-3

5. Exploded View & Part List

5-2. LS20TWHSUV/XF Parts List-T200 / T200(G)

Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE)

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

LS20TWHSUV/XF T200,WSN1/S20T0-LTW,20,LCD-MO,CHINA

0.1 M0001 BN90-01623A ASSY COVER FRONT;LS20TW_TOC,ROSE

BLACK 1 S.N.A

..2 T0003 BN96-07381J ASSY COVER P-FRONT;LS20TW,PMMA+ABS,

TOC,R 1 S.A

...3 M0081 6003-000282 SCREW-TAPTITE;BH,+,-

,B,M3,L8,ZPC(BLK),SW 2 S.A

...3 M0960 BN61-03932A HOLDER-BOSS;T200,PMMA+ABS HB,WH15 1 S.N.A

...3 CCM1 BN63-02183D COVER-SHEET;Rhcm,PE Vinyl,T0.05,680mm,20 0.5 S.N.A

...3 M0112 BN63-04426A COVER-FRONT;T20W,PMMA+ABS-PMMA,TOC 1 S.N.A

...3 BN64-00842A KNOB-GUIDE;T220,PMMA+ABS,HB,BK26,H/

GLOSS 1 S.N.A

...3 T0022 BN64-00844A KNOB CONTROL;T220,PMMA+ABS,HB,BK26,H/

GLO 1 S.N.A

...3 M0102 BN96-07569A ASSY BLU P;T220D,MB-M0716,WHITE,BLU 1 S.A

....4 BN94-01893J ASSY PCB MAIN-BN96-07569A;T,ASSY BLU P 1 S.N.A

.....5 BN81-01709A A/S-MOLD FRAME;SR-

3108F,46.6X10.524X,BN9 1 S.N.A

.....5 BN81-01710A A/S-GUIDE PANEL-L;PC,40.6X7.08X3.4,BN96- 1 S.N.A

.....5 BN81-01711A A/S-DIFFUSER SHEET;G25,42.6X10.31,BN96-

01 S.N.A

.....5 BN81-01715A A/S-HARNESS;PST0716-01,BN96-07569A 1 S.N.A

.....5 BN81-01716A A/S-SHADING TAPE;#1350,91.8X4.5,BN96-

075 1 S.N.A

.....5 T0174 BN97-02297N ASSY SMD;T,W/W 1 S.N.A

......6 BN81-01712A A/S-PCB;FR-4,0.6T,8.68X7.05,BN96-07569A 1 S.N.A

......6 BN81-01713A A/S-LED;MWHT213Z,BN96-07569A 1 S.N.A

......6 BN81-01714A A/S-RESISTOR;RC1206JR-0733R,BN96-

07569A 1 S.N.A

...3 M0145 BN96-07890B ASSY BOARD P-FUNCTION;T,Function Assy,Wi 1 S.A

....4 M2893 BN39-01007C LEAD CONNECTOR;T,UL1061#28,5 to 5pin,150 1 S.A

....4 BN94-01893A ASSY PCB MAIN-POWER PCB;T 1 S.N.A

.....5 CN330 3711-002162 HEADER-BOARD TO

CABLE;BOX,2P,1R,1.25mm,S 1 S.A

.....5 CN906 3711-006471 CONNECTOR-HEADER;BOX,5P,1R,1mm,SMD-

A,AU, 1 S.A

.....5 BN74-00014A TAPE-FUNCTION TAPE;DOUBLE FACE

TAPE,Acry 1 S.N.A

.....5 T0174 BN97-02297E ASSY SMD;T,W/W 1 S.N.A

......6 U3 1203-005267 IC-VOL. DETECTOR;KIA7027,TSM,3P,PLASTIC, 1 S.A

......6 U1 1209-001809 IC-SENSOR;MCS-5000,UQFN,24P,4x4mm,PL

ASTI 1 S.A

......6 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A

......6 R110 2007-000082 R-CHIP;3.3Kohm,5%,1/10W,TP,1608 1 S.A

......6 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A

......6 C120 2203-005918 C-CER,CHIP;1000nF,10%,6.3V,X7R,1608 1 S.A

......6 C120 2203-006048 C-CER,CHIP;100nF,10%,10V,X7R,1005 1 S.A

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