Samsung EX2220, EX2220X Service manual

LCD-Monitor

Chassis : LS22CLU

Model : EX2220

EX2220X

Manual

SERVICE

TFT-LCD Monitor Contens

1. Precautions

2. Product specications

3. Disassembly and Reassemble

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

EX2220 / EX2220X

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

Contents

1. Precautions

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

2-2. Spec Comparison to the Old Models .............................................................................. 2-4

2-3. Accessories .................................................................................................................... 2-6

3. Disassembly and Assembly

3-1. Disassembly ................................................................................................................... 3-1

4. Troubleshooting

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

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

4-3. When the screen is blank ............................................................................................... 4-4

4-4. Error Examples and Actions ........................................................................................... 4-8

4-5. Adjustment ...................................................................................................................... 4-9

5. Exploded View & Part List

5-1. Exploded View ................................................................................................................ 5-1

5-2. Parts List ......................................................................................................................... 5-3

6. Wiring Diagram

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

6-2. Wiring Diagram - IP Board .............................................................................................. 6-4

6-3. Connector Functions ...................................................................................................... 6-5

6-4. Cables ............................................................................................................................ 6-5

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: BN82-00990A-00

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. Remove the stand body.

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.

② Separate the sides of the front cover up to the

directed line as shown in the gure.

3-1

3-2

3. Disassembly and Assembly

Description Photo Screws

3. Turn the monitor over again .

3-3

3. Disassembly and Assembly

Description Photo Screws

4. Turn the monitor over again to remove the back cover.

5. Remove the LVDS, LAMP wire and FUNCTION cable then remove the SHIELD-COVER.

LVDS

LAMP

WIRE

FUNCTION

6. Remove the LCD panel.

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

3. Disassembly and Assembly

Description Photo Screws

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

and remove the Bracket support.

9.

Remove the main PCB and IP boards from the SHIELD-cover.

※The assembly is in the reverse order of disassembly.

3-4

5. Exploded View & Part List

F001A

M0215

M0014

BN63-06705A

R001A

SB01A

SB04A

BN63-06367A

P002A

5-1. LS22CLUSF/XF - Exploded View

5. Exploded View & Part List

5-1

5-2

5. Exploded View & Part List

5-1-1. LS22CLUSF/XF - Parts List

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

F001A BN96-12854C ASSY COVER P-FRONT;Cobalt 21.5,ABS+PMMA, 1 SA

M0014 BN94-03250A ASSY PCB MAIN;BX2240,LS22CBUABV/EN 1 SA

M0215 BN07-00795A LCD-PANEL;M215HW01 V6,AU21507,6bit Hi-FR 1 SA

P002A BN44-00367A IP BOARD-LED DRIVE;IP-23155B,Cobalt21.5" 1 SA

R001A BN96-12855A ASSY COVER P-REAR;Cobalt 21.5,HIPS,HB,BK 1 SA

SB01A BN96-12853A ASSY STAND P-BODY;COBALT,HIPS,BK23,ETCH 1 SA

SB04A BN96-13094A ASSY STAND P-BASE;COBALT 19N,21.5~24,ABS 1 SA

BN63-06367A SHIELD-LAMP;PLUM 21.5'',SPTE,T0.3 1 SNA

BN63-06705A SHIELD-COVER;Cobalt 21.5,SECC,T0.8,SIMPL 1 SNA

5-3

5. Exploded View & Part List

5-2. LS22CLUSF/XF - Parts List (EX2220X)

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

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

0.1 R001A BN90-02667A ASSY COVER REAR;EX2220,BLACK,texture 1 SNA

..2 R001A BN96-12855A ASSY COVER P-REAR;Cobalt 21.5,HIPS,HB,BK 1 SA

...3 W391 6003-000275

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

...3 T0060 BN61-05331A SPRING ETC;LAVENDER 23",SK5,T0.5 1 SNA

...3 CIS4 BN61-05332A

...3 M0111 BN63-05625A COVER-STAND;LAVENDER 23W,BK23 1 SNA

...3 R001 BN63-06702A COVER-REAR;Cobalt 21.5,HIPS,HB,BK23,EX22 1 SNA

...3 BN96-13319A ASSY SHIELD P-LAMP;Cobalt 21.5W,SPTE,T0. 1 SNA

....4 M0131 BN63-00413A

....4 BN63-06367A SHIELD-LAMP;PLUM 21.5'',SPTE,T0.3 1 SNA

...3 M0126 BN73-00170A

0.1 BN90-02673A

..2 F001A BN96-12854C

...3 CCM1 BN63-02183D COVER-SHEET;Rhcm,PE Vinyl,T0.04,680mm,20 1.13 SNA

...3 F001 BN63-06703C

...3 M0007 BN64-01309A KNOB-FUNCTION;Cobalt Project,ABS,BK23 1 SNA

...3 AL093 BN67-00281A LENS-LED;Cobalt Project,PC CLEAR,TP26 1 SNA

...3 BN68-02382B

...3 FB01A BN96-13682D

....4 BN94-03497C

.....5 0202-001463 SOLDER-WIRE;LFC2-W3.0,-,D3,99.79Sn/0.2Cu 1.814 SNA

.....5 0202-001608 SOLDER-WIRE FLUX;LFC7-107,D0.8,99.3Sn/0. 0.003 SNA

.....5 0204-002420 SOLVENT;1M-1000,C3H70H,96 3.47 SNA

.....5 0204-002607 FLUX;DF-234U,13%,14KG,Gravity 0.82 2.259 SNA

.....5 M2893 BN39-01298C

.....5 T0174 BN97-04306A ASSY SMD;COBALT, FUNCTION 1 SNA

......6 0202-001477

......6 L0405 0601-001896 LED;SMD,BLUE,1.6x0.8x0.4mm,470,1.6x0.8x0 1 SA

......6 AHR40 2007-000088 R-CHIP;7.5Kohm,5%,1/10W,TP,1608 2 SNA

......6 KAR11 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 2 SNA

......6 T0313 3404-001379 SWITCH-TACT;12V,50mA,250gf,4.9x4.9x1.5mm 6 SA

......6 HB01A 3711-005743

......6 BN41-01400B PCB SUB-FUNCTION;Cobalt(all),FR-4,2,1.1, 1 SNA

0.1 BN91-04714A ASSY LCD-ATZ;BX2240 1 SNA

..2 M0215 BN07-00795A LCD-PANEL;M215HW01 V6,AU21507,6bit Hi-FR 1 SA

0.1 M0017 BN91-05267A ASSY CHASSIS-ATZ;LS22CLUSB/EN,EX2220 1 SNA

SCREW-TAPTYPE;BH,+,B,M3,L10,ZPC(BLK),S

WR

HOLDER-STAND;LAVENDER

23",ACETAL,WHITE

GASKET;MB15KO,CONDUCTIVE

FAB,5MM,8MM,8MM

RUBBER-

FOOT;943BW,2043BW,RUBBER,8*8,1.5,

ASSY COVER FRONT;EX2220X,BLACK,HIGH

GLOS

ASSY COVER P-FRONT;Cobalt

21.5,ABS+PMMA,

COVER-FRONT;Cobalt

21.5",PMMA+ABS,HB,BK2

LABEL-TCO5.0,ENERGYSTAR;TCO5.0,ENERGY-S

ASSY BOARD

P-FUNCTION;Cobalt,FUNCTION,25

ASSY PCB FUNCTION-BN96-

13682D;COBALT,BN9

LEAD CONNECTOR;COBALT,UL1061#28,UL/

CSA,5

SOLDER-CREAM;LST309-

M,D20~45um,96.5Sn/3A

HEADER-BOARD TO

CABLE;BOX,5P,1R,1.25mm,A

2 SA

1 SNA

4 SNA

1 SNA

1 SA

1 SNA

1 SA

1 SNA

0.462 SNA

1 SA

5-4

5. Exploded View & Part List

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

..2 T0081 6001-002408

..2 M0081 6003-000264

..2 P002A BN44-00367A IP BOARD-LED DRIVE;IP-23155B,Cobalt21.5" 1 SA

..2 M0014 BN94-03250A ASSY PCB MAIN;BX2240,LS22CBUABV/EN 1 SA

...3 0202-001463 SOLDER-WIRE;LFC2-W3.0,-,D3,99.79Sn/0.2Cu 1.558 SNA

...3 0202-001608 SOLDER-WIRE FLUX;LFC7-107,D0.8,99.3Sn/0. 0.003 SNA

...3 0204-002420 SOLVENT;1M-1000,C3H70H,96 3.47 SNA

...3 0204-002607 FLUX;DF-234U,13%,14KG,Gravity 0.82 2.259 SNA

...3 3701-001510

...3 EC05 3701-001666

...3 BN97-00707A

....4 BN46-00018A

...3 T0174 BN97-03977A ASSY SMD;BX2240,LS22CBUABV/EN 1 SNA

....4 0202-001477

....4 DS01A 0401-001056

....4 DR01A 0402-001614 DIODE-RECTIFIER;S1G,400V,1A,DO-214AC,TP 1 SA

....4 MZD1 0403-001411 DIODE-ZENER;5.49-5.73V,200mW,SOD-323,TP 10 SA

....4 0403-001712 DIODE-ZENER;QZX363C6V8,6.47/7.14V,200mW, 2 SNA

....4 Q101 0501-000445

....4 PQ02 0501-002080

....4 Q409 0505-001165 FET-SILICON;Si3443CDV,P,-20V,+-4.4A,65mo 1 SA

....4 ND51C2 1001-001155

....4 IC112 1103-000129 IC-EEPROM;24C02,2Kbit,256x8,SOP,8P,5x4mm 2 SA

....4 IC112 1103-001410 IC-EEPROM;S-24CS08AFJ-TB-1GE,8Kbit,1Kx8, 1 SA

....4 IC109 1205-003894

....4 DR1 2007-000043 R-CHIP;1Kohm,1%,1/10W,TP,1608 5 SA

....4 KAR21 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 SNA

....4 CER02 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 12 SNA

....4 AR30 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 19 SA

....4 AVR51 2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608 2 SNA

....4 CER04 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 3 SA

....4 MROP1 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 22 SA

....4 AR108 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 7 SA

....4 ARR2 2007-000102 R-CHIP;100Kohm,5%,1/10W,TP,1608 2 SA

....4 MR112 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 2 SA

....4 HR13 2007-000821 R-CHIP;390ohm,1%,1/10W,TP,1608 2 SNA

....4 WR15B 2007-001044 R-CHIP;56ohm,5%,1/10W,TP,1608 2 SA

....4 ZR10 2007-001164 R-CHIP;75ohm,1%,1/10W,TP,1608 3 SNA

....4 R1 2007-002425 R-CHIP;1ohm,5%,1/10W,TP,1608 5 SNA

....4 2007-007720 R-CHIP;300Kohm,1%,1/10W,TP,1608 1 SA

....4 C258 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 3 SA

....4 C134 2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,TP,1608 1 SA

SCREW-MACHINE;BH,+,WT,M4,L12,ZPC(WHT

),SW

SCREW-TAPTYPE;PWH,+,-

,B,M3,L6,ZPC(WHT),S

CONNECTOR-DSUB;15P,3R,FEMAIL,STAMPED

CONNECTOR-

DVI;24P,3ROW,FEMALE,STARAIGHT,

ASSY HDCP;BN46-00018A,BR20/21BS_

CS,MSTAR

KEY CODE-CERTIFICATE;(HDCP KEY)

PPM42M5S,

SOLDER-CREAM;LST309-

M,D20~45um,96.5Sn/3A

DIODE-SWITCHING;MMBD4148SE,100V,200m

A,SO

TR-SMALL SIGNAL;KTC3875S-

Y,NPN,150mW,SOT

TR-SMALL

SIGNAL;2SC2412K,NPN,200mW,SC-59

IC-ANALOG

MULTIPLEX;NC7SB3157P6X,CMOS,SC

IC-LCD CONTROLLER;SE959LMH-

LF,PQFP,128P,

2 SA

1 SNA

0.795 SNA

11 SA

1 SA

3 SA

1 SA

5-5

5. Exploded View & Part List

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

....4 ZC14 2203-000626 C-CER,CHIP;0.022nF,5%,50V,C0G,1608 3 SNA

....4 AAC14 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,TP,1608 6 SA

....4 DC108 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 47 SC

....4 PC11 2203-006141 C-CER,CHIP;1000nF,10%,16V,X5R,1608 3 SNA

....4 C125 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2012 18 SC

....4 X202 2801-003667

....4 L2011 3301-001145

....4 T0568 3301-001407 BEAD-SMD;30ohm,1608,300mA,TP,,,0.4ohm 2 SNA

....4 AC510 3708-001150

....4 HB01A 3711-005743

....4 M0018 BN97-03976A ASSY MICOM;BX2240 1 SNA

.....5 1107-001938

....4 T0087 1203-006118 IC-POSI.FIXED REG.;S-1172B18-U5T1G,SOT-8 1 SA

....4 T0087 1203-006141 IC-POSI.FIXED REG.;S-1172B33-U5T1G,SOT-8 1 SA

....4 KAR11 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 1 SNA

....4 C3 2203-000384 C-CER,CHIP;0.015nF,5%,50V,C0G,1608 1 SNA

....4 T0077 BN41-01311B PCB MAIN;PLUM B2330,CEM-3,2,MP1.0,1.6,91 1 SNA

...3 CN906 3711-005847

..2 M0214 BN96-02854Y ASSY CABLE P-FLAT;Mckinley,Flat cable,17 1 SA

..2 CS02A BN96-13324A ASSY SHIELD P-COVER;Cobalt 21.5,SECC,T0. 1 SNA

...3 BN61-05973A STUD-PEM;PLUM23'',M4,D8,L20 1 SNA

...3 BN63-06705A SHIELD-COVER;Cobalt 21.5,SECC,T0.8,SIMPL 1 SNA

...3 M0114 BN61-02500A HOLDER-WIRE;NYLON6.6,NATURAL 1 SNA

...3 BN63-00417A GASKET;MINERVA,Conductive_Fabric,4mm,10m 2 SNA

...3 M0131 BN63-00049A GASKET;RB17AS,Conductive Fabric,1.5MM,10 3 SNA

0.1 BN92-05486D ASSY LABEL;Cobalt, BLACK 1 SNA

..2 CCM1 BN68-01570A LABEL RATING;ALL,SS,PE,T0.05,90,45,Dark 1 SNA

0.1 BN92-05547Q ASSY P/MATERIAL;S22S1,W/W 1 SNA

..2 T0214 0203-001595 TAPE-OPP MASKING;OPP-2,0.075,75,800M,CLR 1.46 SNA

..2 6902-000061 BAG AIR;LDPE,T0.2,W500,L1000,TRP,370.000 1 SNA

..2 6902-000379 BAG AIR;LDPE,T0.2,W1000,L1800,TRP,1260.0 1 SNA

..2 T0524 6902-000520

..2 6902-000604 BAG WRAPPING;LDPE,T0.02,W500,L10000,TRP, 2.12 SNA

..2 6902-000609 BAG ROLL;LDPE,T0.05,W2400,L1000,TRP,30.0 0.02 SNA

..2 T0527 BH68-40364A

..2 BH69-00457C

..2 T0527 BN68-00129A LABEL SHIPPING-00;LABEL SHIPPING,ART-PAP 1 SNA

..2 BN69-00391P PAD-ANGLE;OTHER,T4,50,2200,YEL 1 SNA

..2 T0603 BN69-00617J PALLET-PACKING;TS15AS,OTHER,1150,780,120 1 SNA

..2 BN69-03565D PAD-PLATE;LD220,CB,SW,YEL,W1150,D800,520 1 SNA

..2 BN69-04623A CUSHION-SET;COBALT21.5",SIMPLE,EPS,T0.01 1 SNA

0.1 BN92-05633P ASSY BOX;EX2220,LS22CLUSF/XF 1 SNA

..2 T0077 BH68-00329D LABEL BAR CODE-02;NO CE,NO WT`Y,MPRII,LA 1 SNA

..2 BH68-00659H

CRYSTAL-SMD;14.31818MHz,30ppm,28-

AAN,16p

BEAD-SMD;60ohm,4516,TP,70ohm/45MHz,82o

hm

CONNECTOR-FPC/FFC/PIC;30P,1mm,SMD-

A,SN,Y

HEADER-BOARD TO

CABLE;BOX,5P,1R,1.25mm,A

IC-FLASH

MEMORY;W25X40BVSSIG,4Mbit,SOP,8

CONNECTOR-

HEADER;BOX,9P,1R,2MM,ANGLE,SN,

BAG PE;HDPE/NITRON,T0.015/

T0.5(DOUBLE),W

LABEL-SUMMARY;G52,G72,ART,100G,WHT,BL

K,W

PACKING INNER-

00,PAD;COMM,OTHER,T3.0,880

LABEL BOX-00;ALL MODEL,MOJO

90G,90,95,WH

1 SA

4 SNA

1 SA

1 SNA

5. Exploded View & Part List

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

..2 BN68-02248A HIC;CHINA MODELS5,CHINA,MOJO,80G,54,80,4 1 SNA

..2 BN69-04833A

0.1 ACCE1 BN92-05916E ASSY ACCESSORY;LS22CLUSF/XF 1 SNA

..2 EC29 BN39-00244H CBF SIGNAL-D-SUB TO D-SUB;D-sub cable,15 1 SA

..2 ACCE1 BN96-12841E ASSY ACCESSORY;LS22CLUSF/XF 1 SNA

...3 T0268 3903-000455 CBF-POWER CORD;DT,CN,IP3/Y(A),IEC320 C13 1 SA

...3 T0524 6902-000110 BAG PE;LDPE,T0.05,W250,L400,TRP,28,2,9.2 1 SNA

...3 T0527 AA68-00764A

...3 M9889 BN63-02368B CLOTH-CLEAN;cloth,120,160,sea blue,ToC 1 SA

...3 T0527 BN68-00513A LABEL-E,PASS;ALL MODEL,YUPO(110G),50X15, 1 SNA

...3 BN68-01118D

...3 BN68-01789A

...3 BN68-02528A

..2 SB01A BN96-12853A

...3 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW 2 SA

...3 T0524 6902-000023 BAG PE;LDPE,T0.08,W150,L120,TRP,1.650g 1 SNA

...3 BN61-06067A STAND-BAR;COBALT 21.5,HIPS,BK23 1 SNA

....4 BN61-06068A STAND-BAR IN;COBALT,HIPS,BK23,IN 1 SNA

...3 BN61-06334A BRACKET-PLATE;COBALT,SECC,1.0,SIMPLE 1 SNA

...3 BN68-02822J LABEL-STICKER;W/W,ART PAPER,T0.05,50,10, 1 SNA

..2 SB04A BN96-13094A

...3 M0081 6003-001001

...3 T0524 6902-000109 BAG PE;HDPE,T0.015,W350,L430,TRP,28,2,4. 1 SNA

...3 CIS4 BN61-01717A HOLDER-STAND;BIZET,NI PLT,CH,+,M4,L11(5) 1 SNA

...3 BN61-05087A

...3 CCM1 BN63-02183K COVER-SHEET;Rhcm,PE Vinyl,T 0.04,250MM,2 0.3 SNA

...3 BN63-06834A

...3 AR011 BN73-00077A

...3 BN68-02691A MANUAL FLYER-STAND;COBALT,Mojo 80g,148,2 1 SNA

...3 BN68-02822F LABEL-STICKER;W/W,ART PAPER,T0.05,50,10, 1 SNA

0.1 BN91-04717B ASSY SHIELD;EX2220 1 SNA

..2 CIS1 BN74-00021A TAPE-FILAMENT;Filament tape,clear,#8915, 0.3 SNA

..2 M0230 BN96-13895A ASSY CABLE P-FFC;Cobalt,FFC CABLE,JPC-S0 1 SA

03,SET;COBALT21.5,SIMPLE,PAPER,SW,A1

LABEL-PASSING;SAMSUNG ALL,ART

MANUAL-TCO 5.0 CARD;COMM,W/W,Mojo

MANUAL FLYER-WARRANTY CARD;Chinese,Art

MANUAL FLYER-CHINA

MANUAL;Cobalt,SyncMas

P-BODY;COBALT,HIPS,BK23,ETCH

ASSY STAND P-BASE;COBALT

SCREW-TAPTYPE;FH,+,B,M3,L8,ZPC(BLK),SW

BRACKET-STAND BOTTOM;ECOFIT 23",SECC

COVER-STAND BASE;COBALT

RUBBER FOOT;MATISSE,BUMPON,#13.5,T2.0

BOX-

PAPER,CLR,

80g,21

1

ASSY STAND

19N,21.5~24,ABS

RC

T0.

19N,21.5~24,ABS+

,60

1 SNA

1 SA

4 SNA

1 SNA

6 SNA

5-6