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Samsung EX2220 - User Manual

Samsung EX2220
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LCD-Monitor
Chassis : LS22CLU
Model : EX2220
EX2220X
SERVICE
Manual
TFT-LCD Monitor Contens
EX2220 / EX2220X
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

Questions and Answers

  • R
    Robert WatkinsJul 31, 2025
    Why are DVI signals not recognized on my Samsung EX2220?
    • J
      Joshua HoodJul 31, 2025
      This error happens because the PC isn't getting the mode info since the DVI DDC isn't going into the Samsung Monitor. To fix this, input the DVI DDC.
  • M
    markmooreAug 5, 2025
    How to troubleshoot a Samsung EX2220 that does not turn on?
    • F
      fmartinezAug 5, 2025
      If your Samsung Monitor isn't powering on, here are a few things you can check: * Check the IP board power fuse and the IP board output power. * Check the connections for the IP board and the Main board inside the monitor. * Check the Main board power part and also check whether there is any abnormal output at any of the other output terminals. If none of these steps work, consider replacing the IP board.
  • C
    carlasavageAug 9, 2025
    What to do if my Samsung Monitor displays a blank screen (Digital)?
    • C
      Candace CantrellAug 10, 2025
      If your Samsung Monitor screen is blank (Digital), try these steps: * Check the DVI cable connections. * Check whether the LVDS cable is connected correctly to the panel. * Check whether the lamp connector of the panel is connected correctly to the IP board. * Check and replace the circuits related to X401. * Check the R206, R210, and R213 input terminals. * Check the circuits related to CN400. * Check the Panel EN signal and the BL_EN signal. If the issue persists, check and replace the panel.
  • X
    xmuellerAug 15, 2025
    What to do if my Samsung EX2220 screen is blank (Analog)?
    • M
      Megan LeonAug 15, 2025
      If you have a blank screen on your Samsung Monitor (Analog), you can try the following: 1. Check the D-sub cable connections. 2. Check whether the LVDS cable is connected correctly to the panel. 3. Check whether the lamp connector of the panel is connected correctly to the IP board. 4. Check and replace the circuits related to X401. 5. Check the R206, R210, and R213 input terminals. 6. Check the circuits related to IC400. 7. Check the circuits related to CN400. If none of these steps work, check and replace the panel.
  • S
    Scott DavisAug 20, 2025
    Why does my Samsung EX2220 display a full white screen?
    • C
      Charles HenryAug 20, 2025
      This issue occurs when the Samsung Monitor only gets lamp power, and video signals don't reach the panel because of a problem with the LVDS cable. Replace the LVDS cable or properly connect the cable so the video signals can be supplied to the panel.
  • A
    Anna McfarlandAug 25, 2025
    What to do if noise occurs on the screen of my Samsung EX2220 Monitor when connecting the DVD?
    • S
      Samuel JonesAug 26, 2025
      If you're seeing noise on the screen of your Samsung Monitor when connecting a DVD player, the HDCP key might be missing. Try entering the HDCP key.

Summary

3. Disassembly and Assembly

Disassembly

Step-by-step instructions for disassembling the monitor.

5. Exploded View & Part List

LS22 CLUSF;XF - Exploded View

Visual representation of the monitor's components and their assembly.

LS22 CLUSF;XF - Parts List

Detailed list of parts for the LS22CLUSF/XF model.

LS22 CLUSF;XF - Parts List (EX2220 X)

Detailed list of parts for the EX2220X model.

1. Precautions

Safety Precautions

Covers general safety, warnings, servicing, fire/shock hazards, and product safety.

Servicing Precautions

Guidelines for servicing the monitor, including capacitor handling and ESD prevention.

Static Electricity Precautions

Measures to prevent damage from static electricity to sensitive components.

Installation Precautions

Safety guidelines for installing the monitor, covering handling and environment.

2. Product specifications

Feature & Specifications

Details the features and technical specifications of the monitor.

Spec Comparison to the Old Models

Compares the EX2220/EX2220X specifications with older models.

Accessories

Lists the accessories included with the product.

Accessories (Sold separately)

Lists accessories available for separate purchase.

4. Troubleshooting

Troubleshooting

General troubleshooting steps and custom mode settings before repair.

When the Power Does Not Turn On

Diagnoses and troubleshooting steps for power-on issues.

When the screen is blank (Analog)

Troubleshooting steps for a blank screen using analog input.

When a blank screen is displayed (Digital)

Troubleshooting steps for a blank screen using digital input.

Error Examples and Actions

Common error appearances, their causes, and corresponding actions.

Adjustment

Procedures and conditions for service adjustment.

6. Wiring Diagram

Wiring Diagram - Main Board

Wiring diagram illustrating connections for the main board.

Wiring Diagram - IP Board

Wiring diagram for the integrated panel (IP) board.

Connector Functions

Explains the functions of various connectors on the boards.

Cables

Details the cables used in the monitor and their specifications.

Samsung EX2220 Specifications

General IconGeneral
Screen Size21.5 inches
Panel TypeTN
Brightness250 cd/m²
Contrast Ratio1000:1
Response Time5 ms
ConnectivityVGA, DVI
Aspect Ratio16:9
Color Support16.7 million
Resolution1920 x 1080 (Full HD)
Viewing Angle170° (Horizontal), 160° (Vertical)

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