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LCD-Monitor
Chassis :LAQ22WS
LAQ22VS
LAQ20WS
Model :2253BW
2253LW
2053BW




SERVICE Manual

TFT-LCD Monitor Contens

1.Precautions

2. Product specifications

3.DisassemblyandReassemble

4.Troubleshooting

5.ExplodedView&PartList

6.WiringDiagram

7.SchematicDiagram




2253BW/2253LW/2053BW



Refer to the service manual in the GSPN (see the rear cover) for the more information.
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 specifications............................................................................................ 2-1
2-1. Feature & Specifications ................................................................................................. 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.DisassemblyandAssembly................................................................................... 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.ExplodedView&PartList...................................................................................... 5-1
5-1. Exploded View (2253BW/2253LW) .................................................................................. 5-1
5-2. Parts List (2253BW) ......................................................................................................... 5-3
5-3. Parts List (2253LW) ........................................................................................................ 5-10
5-4. Exploded View (2053BW) .............................................................................................. 5-18
5-5. Parts List (2053BW) ....................................................................................................... 5-20
6.WiringDiagram........................................................................................................ 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.SchematicDiagram................................................................................................. 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(GlobalServicePartnerNetwork)
Area WebSite
NorthAmerica http://service.samsungportal.com
LatinAmerica 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