Samsung SyncMaster 943NWX Manuel utilisateur

LCD-Monitor

Chassis : LS19MYN

Model :

943NW / 943NWX

SERVICEManual

TFT-LCD Monitor Contens

943NW / 943NWX

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

3-2. HAS STAND Disassembly.............................................................................................. 3-4

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. Error Examples and Actions ........................................................................................... 4-7

4-5. Adjustment...................................................................................................................... 4-8

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

5-1. SIMPLE STAND Exploded View..................................................................................... 5-1

5-2. SIMPLE STAND Parts List.............................................................................................. 5-3

5-3.

HAS STAND Exploded View ................................................................................................. 5-9

5-4.

HAS STAND

Parts List .................................................................................................. 5-11

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) .................................................................................. 7-3

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: BN82-00288A-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. SIMPLE STAND Disassembly

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

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

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

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.

Caution : : If you do not tilt the stand and use too

much force to remove it, the connection

pin may break.

2. ① Turn the monitor over and insert your hands

into the top of the monitor at the center and

separate the front cover in the direction of the

arrow as shown in the gure.

②Separate the sides of the front cover up to the

directed line as shown in the gure.

3. Turn the monitor over again to remove the back

cover.

①

②

3-2

3. Disassembly and Assembly

Description Photo Screws

Remove the SHIELD-LAMP using the provided JIG.

Caution: The SHIELD-LAMP is sharp.

5. Remove the LVDS, LAMP wire, FUNCTION

cable, and SPEAKER cable, and then remove

the SHIELD-COVER.

LAMP

WIRE

LVDS

FUNCTION

Remove the LCD panel..

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

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

and remove the Bracket support.

3-3

3. Disassembly and Assembly

Description Photo Screws

Remove the main PCB and IP boards from the

SHIELD-cover.

The assembly is in the reverse order of disassembly.※

3-4

3. Disassembly and Assembly

3-2. HAS STAND Disassembly

Description Photo Screws

1. If the Stopper PIN at the back of the stand is

not removed, place a soft cloth on the table and

place the monitor on it, and then hold the monitor

set and remove the Stopper PIN at the back of

the stand.

Turn the monitor over. Remove the two (2) screws

that hold the stand in place and then remove the

stand.

Caution: When removing the screws, hold

the stand body with one hand

so that the stand does not fall.

3. The following steps are the same as steps 2 to 9 for disassembling the SIMPLE stand.

The assembly is in the reverse order of disassembly.※

5-1

5. Exploded View & Part List

5-1. Exploded View

T0003

M0215

M0174

M0081

T0514

M0006 M0013

M0003

M0027

BN63-03965A

5-2

5. Exploded View & Part List

5-1-1. LS19MYNKB/XSF Parts List

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

T0003 BN96-06382B ASSY COVER P-FRONT;LS19MYN_943NW,,,ABS H 1 S.A

M0215 BN07-00493A LCD-PANEL;LTM190M2-L31-2,Mckinley,6bit H 1 S.A

M0174 BN44-00124L IP BOARD;IP-35155A(MW),MCKINLEY 943NW/BW 1 S.A

M0081 6003-000115 SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(BLK),SWRC 2 S.A

M0081 6003-000115 SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(BLK),SWRC 1 S.A

M0081 6003-001439 SCREW-TAPTITE;BH,+,-,S,M4,L8,ZPC(WHT),SW 1 S.N.A

T0514 BN61-03557A BRACKET-SUPPORT;2043BW/NW[Mckinley],SPTE 1 S.N.A

M0006 BN96-06433R ASSY SHIELD P-COVER;943NW(AMLCD),SECC,T0 1 S.N.A

BN63-03965A SHIELD-LAMP;943BW/NW,SPTE,T0.3,(Wide) 1 S.N.A

M0013 BN96-06380R ASSY COVER P-REAR;LS19MY(943NW),HIPS,HB, 1 S.A

M0003 BN96-06388A ASSY STAND P;-,943BW,-,SECC T2.0,-,- 1 S.A

M0027 BN96-06384A ASSY STAND P-BASE;-,943BW,-,HIPS HB,BK28 1 S.A

5-3

5. Exploded View & Part List

5-2. LS19MYNKB/XSF

Parts List

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

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

LS19MYNKB/XSF 943NW,SAL1/S19B8-LMY,19,LCD-MO,CHINA

0.1 M0001 BN90-01417B ASSY COVER FRONT;MCKINLEY 19,LS19MYN_

943 1 S.N.A

..2 T0003 BN96-06382B ASSY COVER P-FRONT;LS19MYN_

943NW,,,ABS H 1 S.A

...3 M0112 BN63-03984B COVER-FRONT;LS19MYN_943NW,ABS

HB,BK26,AN 1 S.N.A

...3 M0130 BN67-00209A LENS LED;Mckinley,PC CLEAR,TP15(TP-1020) 1 S.N.A

...3 M0175 BN96-06485B ASSY BOARD P-TOUCH

FUNCTION;Mckinley,CT5 1 S.A

0.1 M0002 BN90-01418T ASSY COVER REAR;LS19MY,AMLCD,ANALOG

,SIMP 1 S.N.A

..2 M0013 BN96-06380R ASSY COVER P-REAR;LS19MY(943NW),HIPS,

HB, 1 S.A

...3 M0113 BN61-01581A BRACKET-VESA;BI17/19BS,SECC,T1.0 2 S.N.A

...3 M0006 BN63-03940A COVER-REAR SUB;2043BW/NW,HIPS HB,BK26 1 S.A

...3 M0006 BN63-03982G COVER-REAR;943BW/NW,HIPS

HB,BK26,CMO,SIM 1 S.N.A

...3 M0126 BN73-00162A RUBBER-PANEL;943BW/

NW,RUBBER,BLACK,(Wide 2 S.N.A

...3 M0126 BN73-00170C RUBBER-FOOT;943BW,2043BW,RUBBER,8*8

,3.0, 3 S.N.A

0.1 M0106 BN91-01803S ASSY LCD-STZ;LS19AQW* 1 S.N.A

..2 M0215 BN07-00493A LCD-PANEL;LTM190M2-L31-2,Mckinley,6bit H 1 S.A

0.1 M0112 BN91-01877A ASSY SHIELD;MCKINLEY 19,LS19MYW 1 S.N.A

..2 BN63-03965A SHIELD-LAMP;943BW/NW,SPTE,T0.3,(Wide) 1 S.N.A

0.1 M0017 BN91-02122A ASSY CHASSIS-STZ;LS19MYNKB/XSF 1 S.A

..2 M0081 6003-000115 SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(BLK),SW

RC 2 S.A

..2 M0081 6003-000115 SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(BLK),SW

RC 1 S.A

..2 M0081 6003-001439 SCREW-TAPTITE;BH,+,-

,S,M4,L8,ZPC(WHT),SW 1 S.N.A

..2 M0174 BN44-00124L IP BOARD;IP-35155A(MW),MCKINLEY 943NW/

BW 1 S.A

..2 T0514 BN61-03557A BRACKET-SUPPORT;2043BW/

NW[Mckinley],SPTE 1 S.N.A

..2 M0014 BN94-01721A ASSY PCB MAIN-STZ;LS19MYNKB/XSF 1 S.N.A

...3 T0245 0202-001608 SOLDER-WIRE FLUX;LFC7-107,D0.8,99.3Sn/0. 0.003 S.N.A

...3 CN101 3701-001219 CONNECTOR-DSUB;15P,3R,FEMALE,ANGLE,

AUF 1 S.A

...3 CN600 3711-004261 HEADER-BOARD TO

BOARD;BOX,12P,1R,2mm,ANG 1 S.A

...3 T0174 BN97-02109A ASSY SMD;LS19MYNKB/XSF 1 S.N.A

....4 SUB05 0202-001477 SOLDER-CREAM;LST309-M,-

,D20~45##,96.5Sn/ 0.457 S.N.A

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