Samsung SyncMaster 2232MW User manual

LCD-Monitor
Chassis : LPM22CS
Model : 2232MW
SERVICEManual
TFT-LCD Monitor Contens
2232MW
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) ........................................................................................ 2-4
3. Disassembly and Reassemble ............................................................................... 3-1
3-1. Disassembly ................................................................................................................... 3-1
4. Troubleshooting ...................................................................................................... 4-1
4-1. Troubleshooting .............................................................................................................. 4-1
4-2. No Power........................................................................................................................ 4-2
4-3. No Video (Analog) .......................................................................................................... 4-4
4-4. No Video (DVI)................................................................................................................ 4-6
4-5. No Video (HDMI) ............................................................................................................ 4-8
4-6. Faults and Corrective Actions....................................................................................... 4-10
4-7. Adjustment.................................................................................................................... 4-11
4-8 Program Upgrading ...................................................................................................... 4-16
5. Exploded View & Part List ...................................................................................... 5-1
5-1. Exploded View................................................................................................................ 5-1
5-2. Parts List......................................................................................................................... 5-3
6. Wiring Diagram........................................................................................................ 6-1
6-1. Wiring Diagram - Main Board ......................................................................................... 6-1
6-2. Wiring Diagram - IP Board.............................................................................................. 6-2
7. Schematic Diagram ................................................................................................. 7-1
7-1. Circuit Descriptions......................................................................................................... 7-1
7-2. Schematic Diagrams ...................................................................................................... 7-5
7-3. Schematic Diagram ..................................................................................................... 7-19

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.
© 2008 Samsung Electronics Co.,Ltd.
All rights reserved.
Printed in Korea
P/N:

3-1
3. Disassembly and Reassemble
3. Disassembly and Reassemble
This section of the service manual describes the disassembly and reassembly procedures for the LS19DOV LCD
monitor.
WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components.
3-1. Disassembly
Cautions: 1. Disconnect the monitor from the power source before disassembly.
2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
Description Picture Description Screws
1. Place monitor face down on cushioned table.
Remove 2 marked screws from the rear
cover.
2. After remove COVER-REAR, ASS’Y-STAND,
then disconnect FUNCTION, SPEAKER wire.
3. After disconnecting SHIELD-LAMP of left
side, disassemble lamp wire between panel
and IP Board.

3-2
3. Disassembly and Reassemble
Description Picture Description Screws
4. Disconnect LVDS cable from panel. Then,
remove cover jack from side.
5. Remove 4 screws of PC and DVI connector.
Then, upset the shield.
6. Remove 8 marked SCREW of left picture.
Disconnect IP board.
※Reassembly procedures are in the reverse order of disassembly procedures.

5-1
5. Exploded View & Part List
5. Exploded View & Part List
5-1. LS22PMCSFV/XF Exploded View
T0003
M0215
M0174 T0514
M0006
M0013
M0027
M0028
M0014

5-2
5. Exploded View & Part List
5-1-1. LS22PMCSFV/XF Parts List
Location No. Code No. Description & Specication Q’ty SA/SNA Remark
T0003 BN96-07619A ASSY COVER P-FRONT;LS22PM,MFM,ABS,HB,BK2 1 S.A
M0215 BN07-00427A LCD-PANEL;M220Z1-L03 1 S.A
M0174 BN44-00177E IP BOARD;IP-45130C(D),PEBBLE 22” MFM,1.4 1 S.A
M0014 BN94-01802A ASSY PCB MAIN;LS22PMCSFV/XF 1 S.N.A
T0514 BN61-03302A BRACKET-SUPPORT;20”W(2032MW),SPTE,0.3 1 S.N.A
M0006 BN96-07620A ASSY SHIELD P-COVER;LS22PM,SECC,T0.8,MFM 1 S.A
M0013 BN96-07621A ASSY COVER P-REAR;LS22PM,ABS HB BK26,CMO 1 S.A
M0028 BN96-04150D ASSY STAND P-BAR;-,PEBBLE17,-,ABS HB,BK2 1 S.A
M0027 BN96-05538A ASSY STAND P-BASE;-,LS22PEW,-,ABS HB,BK2 1 S.A

5-3
5. Exploded View & Part List
5-2. LS22PMCSFV/XF Parts List
Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark
LS22PMCSFV/
XF 2232MW,WGE1/S22A7-LPM,22,LCD-MO,CHINA
0.1 M0001 BN90-01632A ASSY COVER FRONT;LS22PM,BK26 1 S.N.A
..2 T0003 BN96-07619A ASSY COVER P-FRONT;LS22PM,MFM,ABS,HB,BK2 1 S.A
...3 M0081 6003-000282 SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SW 2 S.A
...3 M0081 6003-000282 SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SW 1 S.A
...3 BN61-03222A GUIDE-PANEL;LS17PEW,SECC,T 0.5 1 S.N.A
...3 CCM1 BN63-02183D COVER-SHEET;Rhcm,PE Vinyl,T0.05,680mm,20 0.5 S.N.A
...3 M0112 BN63-04500A COVER-FRONT;#LS22PMA,ABS,2.5,HB,BK26,H/G 1 S.N.A
...3 T0022 BN64-00641A KNOB CONTROL;20”W(2032MW),ABS,HB,BK26,H/ 1 S.N.A
...3 T0603 BN64-00711A WINDOW-RMC;932MW,PC,V0,VIOLET,DIFFUSER(5 1 S.N.A
...3 T0082 BN64-00907A WINDOW LED;LS22PMA,ACRYL,CLEAR MILKY 1 S.N.A
...3 M0145 BN96-05586B ASSY BOARD P-FUNCTION;LS22PMCSFV,SJ08-01 1 S.N.A
...3 T0023 BN64-00597B KNOB POWER;PEBBLE,black highglossy 1 S.N.A
..2 T0175 BN96-07715A ASSY SPEAKER P;16##,PEBBLE,Right/Left,3W 1 S.N.A
0.1 M0002 BN90-01633A ASSY COVER REAR;LS22PM,CMO 1 S.N.A
..2 M0081 6003-000275 SCREW-TAPTITE;BH,+,-,B,M3,L10,ZPC(BLK),S 2 S.N.A
..2 M0013 BN96-07621A ASSY COVER P-REAR;LS22PM,ABS HB BK26,CMO 1 S.A
...3 M0081 6003-001003 SCREW-TAPTITE;BH,+,B,M4,L12,ZPC(BLK),SWR 4 S.N.A
...3 T0060 BN61-02830A SPRING ETC;PEBBLE,SK5,1.0,LS19PEB,HRC 45 1 S.N.A
...3 CCM1 BN63-02183D COVER-SHEET;Rhcm,PE Vinyl,T0.05,680mm,20 0.5 S.N.A
...3 M0006 BN63-04502A COVER-REAR;LS22PMA,ABS,2.8,HB,BK26,H/GLO 1 S.N.A
...3 T0071 BN64-00876A INLAY-TERMINAL;LS22PEA,PS SHEET 1 S.N.A
...3 M0014 BN63-02880B COVER-STAND BAR;PEBBLE,ABS HB,T2.6,BK26, 1 S.N.A
...3 BN63-02883B COVER-HINGE;PEBBLE,ABS HB,T2.6,BK26,HF-0 1 S.N.A
...3 T0102 BN73-00132B RUBBER-CAP;PEBBLE,ELASTOMER,BK07,HB 1 S.N.A
...3 CCM1 BN63-02183A COVER-SHEET;ROME,PE Vinyl,T0.05,100mm,20 0.1 S.N.A
0.1 M0107 BN91-01803T ASSY LCD-CTZ;LS22AQW* 1 S.N.A
..2 M0215 BN07-00427A LCD-PANEL;M220Z1-L03 1 S.A
0.1 M0112 BN91-02269A ASSY SHIELD;LS22PMA,MFM 1 S.N.A
..2 BN63-04503A SHIELD-LAMP;LS22PEA,SPTE,T0.3 1 S.N.A
0.1 M0017 BN91-02278A ASSY CHASSIS;LS22PMCSFV/XF 1 S.A
..2 M0081 6003-000115 SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(BLK),SWRC 4 S.A
..2 M0081 6003-001439 SCREW-TAPTITE;BH,+,-,S,M4,L8,ZPC(WHT),SW 2 S.N.A
..2 T0562 6046-001014 STAND OFF;#4-40,L6,NI PLT,C3601,- 4 S.N.A
..2 M2893 BN39-00785A LEAD CONNECTOR;LS19PLMTSQ,UL1007#26,UL/C 1 S.A
..2 M0174 BN44-00177E IP BOARD;IP-45130C(D),PEBBLE 22” MFM,1.4 1 S.A
..2 T0514 BN61-03302A BRACKET-SUPPORT;20”W(2032MW),SPTE,0.3 1 S.N.A
..2 T0279 BN63-03621A COVER-JACK;PEBBLE20”WIDE,PC+ABS,BK26 1 S.N.A
..2 M0014 BN94-01802A ASSY PCB MAIN;LS22PMCSFV/XF 1 S.N.A
...3 T0245 0202-001608 SOLDER-WIRE FLUX;LFC7-107,D0.8,99.3Sn/0. 0.025 S.N.A
...3 CN101 3701-001385 CONNECTOR-DSUB;15P,3R,FEMALE,STRAIGHT,AU 1 S.A
...3 CN102 3701-001386 CONNECTOR-DVI;24P,3R,FEMALE,AU 1 S.A

5-4
5. Exploded View & Part List
...3 CN330 3711-000058 HEADER-BOARD TO CABLE;BOX,4P,1R,2.5MM,AN 1 S.A
...3 JA330 3722-000143 JACK-PHONE;1P(VER),AG,BLK,ANGLE 1 S.A
...3 JA333 3722-002143 JACK-PIN;5P,NI,GRN/BLU/RED/WHT/RED,STRAI 1 S.A
...3 JA330 3722-002176 JACK-PHONE;7P/4C,-,SN,L-BLU,- 1 S.A
...3 JA333 3722-002267 JACK-PIN;3P,AU,RED/WHT/YEL,ANGLE 1 S.A
...3 CN701 3722-002275 JACK-DIN;4P,-,SN,BLK,- 1 S.A
...3 CIS3 BN40-00098A TUNER;HTM-6B/235S,HTM-6B/235S,PAL BG,DK, 1 S.A
...3 T0174 BN97-02195A ASSY SMD;LS22PMCSFV/XF 1 S.N.A
....4 SUB05 0202-001477 SOLDER-CREAM;LST309-M,-,D20~45##,96.5Sn/ 2.049 S.N.A
....4 D105 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D106 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D107 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D108 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D109 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D110 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D111 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D112 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D129 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D130 0401-000008 DIODE-SWITCHING;DAN217,80V,100MA,SOT-23, 1 S.A
....4 D100 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D101 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D102 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D121 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D122 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D123 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D124 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D125 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D126 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D127 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D128 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D523 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D801 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A
....4 D0254 0402-000553 DIODE-SCHOTTKY;SS24/B240,40V,2000mA,DO-2 1 S.A
....4 D600 0402-001098 DIODE-RECTIFIER;SK34,40V,3A,SMC,TP 1 S.A
....4 D602 0402-001098 DIODE-RECTIFIER;SK34,40V,3A,SMC,TP 1 S.A
....4 D103 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 D104 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 D113 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 D114 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD100 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD103 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD105 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD108 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD110 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD111 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD500 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD700 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD701 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 ZD703 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-6V,225mW,SOT-2 1 S.A
....4 D118 0403-000579 DIODE-ZENER;BZX84C5V1,4.8-5.4V,200mW,SOT 1 S.A
....4 D119 0403-000579 DIODE-ZENER;BZX84C5V1,4.8-5.4V,200mW,SOT 1 S.A

5-5
5. Exploded View & Part List
....4 D120 0403-000579 DIODE-ZENER;BZX84C5V1,4.8-5.4V,200mW,SOT 1 S.A
....4 D115 0403-001411 DIODE-ZENER;-,5.49-5.73V,200mW,SOD-323,T 1 S.A
....4 D800 0403-001425 DIODE-ZENER;BZX84C33,31-35V,350mW,SOT-23 1 S.A
....4 D133 0403-001435 DIODE-ZENER;QZX363C5V6,5.32-5.88V,200MW, 1 S.A
....4 ZD200 0403-001435 DIODE-ZENER;QZX363C5V6,5.32-5.88V,200MW, 1 S.A
....4 D0254 0404-001020 DIODE-SCHOTTKY;BAT54C,30V,200mA,SOT-23,T 1 S.A
....4 D0254 0404-001020 DIODE-SCHOTTKY;BAT54C,30V,200mA,SOT-23,T 1 S.A
....4 D504 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D505 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D511 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D512 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D711 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D712 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D713 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D714 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D715 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D716 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D717 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D718 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D719 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D720 0406-001163 DIODE-TVS;CDS3C05GTA,6.4V/-/-,-,SMD 1 S.A
....4 D522 0407-000123 DIODE-ARRAY;DAN202K,80V,100mA,CA2-3,SOT- 1 S.A
....4 Q101 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q102 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q105 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q106 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q107 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q108 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q109 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q502 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q507 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q800 0501-000445 TR-SMALL SIGNAL;KTC3875S-Y,NPN,150mW,SOT 1 S.A
....4 Q100 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q103 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q201 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q600 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q601 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q602 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q603 0501-002080 TR-SMALL SIGNAL;2SC2412K,NPN,200mW,SC-59 1 S.A
....4 Q409 0505-001170 FET-SILICON;SI9933ADY-T1,P,-20V,3.4A,0.0 1 S.A
....4 IC104 1001-001109 IC-ANALOG SWITCH;FST3125M,BUS SWITCH & C 1 S.A
....4 IC107 1002-001399 IC-D/A CONVERTER;PCM1754,24BIT,SSOP,16P, 1 S.A
....4 IC112 1103-001279 IC-EEPROM;24C32,32Kbit,4Kx8Bit,SOP,8P,5x 1 S.A
....4 IC112 1103-001310 IC-EEPROM;24LC02B,256X8BIT,SOIC,8P,3.91X 1 S.N.A
....4 IC112 1103-001310 IC-EEPROM;24LC02B,256X8BIT,SOIC,8P,3.91X 1 S.N.A
....4 IC112 1103-001310 IC-EEPROM;24LC02B,256X8BIT,SOIC,8P,3.91X 1 S.N.A
....4 IC301 1105-001715 IC-VIDEO RAM;M13S128168,K4D261638,GDDR,1 1 S.A
....4 T0085 1201-001980 IC-AUDIO AMP;TDA7266D,SO,20P,16X11.1MM,- 1 S.A
....4 T0085 1201-002136 IC-AUDIO AMP;LM4810,MSOP,8P,3x3mm,DUAL,- 1 S.A
....4 IC304 1203-001824 IC-VOL. DETECTOR;7042,SOT-89,3P,-,PLASTI 1 S.A
....4 T0087 1203-002351 IC-POSI.FIXED REG.;LF25C,DPAK,3P,240MIL, 1 S.A