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LCD-Monitor Chassis : LS22LIU Model : 2263UW SERVICE Manual TFT-LCD Monitor Contens 1. Precautions 2. Product specifications 3. Disassembly and Reassemble 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram 7. Schematic Diagram 2263UW Refer to the service manual in the GSPN (see the rear cover) for the more information.
1. Precautions 1. Precautions 1-1. Safety Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1-1. Warnings For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC power jack before servicing.
1. Precautions 1-2. Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
1. Precautions 1-4. Installation Precautions For safety reasons, more than two people are required for carrying the product. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire.
2. Product specifications 2-2. Spec Comparison to the Old Models Model 2263UW 225UW Design Screen Size 22” 22” Brightness 300 ㏅/㎡ 300 ㏅/㎡ Contrast 1000:1 700:1 Dynamic CR 8000:1 Response Time Input Analog/Digital/HDMI Analog / Digital Web Cam Magic Color...
Remark Quick Setup Guide BN68-01435B Warranty Card BN68-01146A (Not available in all locations) User’s Guide, Monitor Driver, BN59-00710D Samsung Electronics Natural Color Pro Software Service center D-Sub(15 Pin) Cable BN39-00244G Power Cord 3903-000212 USB cable BN39-00397C 2-4. Accessories (Sold separately)
3. Disassembly and Assembly 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.
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3. Disassembly and Assembly Description Photo Screws 4. Remove the IP board cable and the function cable connected to the chassis IP Board Cable Function Cable 5. Remove the MIC, WebCam, and sub-board cables connected to the chassis. MIC, WebCam, Sub Board Cable ASSY CHASSIS ▶...
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3. Disassembly and Assembly Description Photo Screws 7. Remove the four (4) screws shown in the figure. MAIN BOARD, SMPS, Sub Board ▶ 8. Remove the four (5) screws shown in the figure and remove the Bracket support. ※ The assembly is in the reverse order of the disassembly. When assembling the back cover, proceed from the bottom so that the Speaker parts are not leaning towards the side.
4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting Before troubleshooting, setup the PC ‘s display as below. • Resolution: 1680x1050 • H-frequency: 64KHz • V-frequency: 60Hz If no picture appears, make sure the power cord is correctly connected. Check the following circuits. •...
4. Troubleshooting 4-2. When the Power Does Not Turn On - When turning on the Power button after connecting the power, the LED at the front of the monitor Symptom does not operate. - When turning on the Power button after connecting the power cable, the LED at the front of the monitor does not operate.
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4. Troubleshooting 4-2-1. Circuit diagrams when the power does not turn on...
4. Troubleshooting 4-3. When the screen is blank (Analog) Symptom Though the LED power turns on, the screen is blank when connecting the VGA cable. Even though the LED power turns on, the screen is blank when connecting the VGA cable. Check the D-sub cable connections.
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4. Troubleshooting 4-3-1. Circuit diagrams and waveforms (Analog) when no screen is displayed on the monitor...
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4. Troubleshooting 4-3-2. Waveforms when no screen is displayed (Analog) ① ③ ④...
4. Troubleshooting 4-4. When a blank screen is displayed (Digital) Symptom The LED power turns on but the screen is blank when the DVI cable is connected. Even though the LED power turns on, the screen is blank when connecting the DVI cable. Check the DVI cable connections.
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4. Troubleshooting 4-4-1. Circuit diagrams and waveforms (DVI) when no screen is displayed on the monitor...
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4. Troubleshooting 4-4-2. Waveforms when a blank screen is displayed (Digital) ② ①...
4. Troubleshooting 4-5. Faults and Corrective Actions Fault Photo Symptoms and Corrective Actions Remarks Symptoms: DVI signals are not recognized. * Refer to the Training Manual for information on inputting the DVI DDC. Causes: This fault occurs when the PC does not recognize the mode information because the DVI DDC has not been input to the monitor.
2) Download the DDC input program and the DDC file that corresponds to the model from the Quality Department of Samsung and install it using a jig as shown in the figure below, and then enter the data. Monitor needing...
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4. Troubleshooting 4-6-2. Service Function Specifications Checking the Code Version 1. Check the MCU code version and checksum after entering SVC Mode. 2. Entering SVC Mode. - Adjust the Brightness and Contrast values to 0. - Hold down the Enter button for five (5) seconds. - The SVC Function OSD is displayed.
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4. Troubleshooting 2. Press the - button to change the setting to On or Off. When replacing the panel After replacing the panel, select the Panel item and then hold down the Menu button for five (5) seconds. The Ch. No. of the panel will increase by one (1) and the time information will change to 0. This number is incremented by 1.
4. Troubleshooting How to execute DDC 1) Click the Open icon 2) Select Two EDID 3) Select a DDC file. 4) Select week 5) Click Next (OK). 6) Enter the serial number and press the Enter key. * After entering the analog data, repeat the procedure above 2 to 5 times to enter digital data. 4-14...
6. Wiring Diagram 6-2. Wiring Diagram - IP Board IP board LVDS Connector (Connect to Panel) 3711-004261 3708-001150 MIC in Camera Headset USB down Speaker out 3701-001219 3701-001173 USB up Stream HDMI input Function Connector (Connect to IP-Board) DVI Connector RGB Connector (Connect to PC) (PConnect to PC)
6. Wiring Diagram 6-3. Connector Functions Connector Functions Transmits LVDS signals from the Main board to the panel CN100 * When a problem occurs: The Blank Screen and No Power errors may occur. VGA signal input terminal CN101 * When a problem occurs: The No RGB Output error may occur. DVI signal input terminal CN401 * When a problem occurs: The No DVI Output error may occur.
7. Schematic Diagram 7. Schematic Diagram 7-1. Circuit Descriptions Location Function Remark Scaler Besides the ADC, LVDS, and scaling part, an MCU is embedded as SE758MD-LF IC202 well. All of them are integrated into one chip. Stores the program and OSD of the MCU embedded in the Scaler. Flash Memory IC206 MX25L4005M2C This is a flash type memory and the firmware can be rewritten to it.
7. Schematic Diagrams 7-3. Schematic Diagrams This Document can not be used without Samsungs authorization. 7-3-1. Schematic Diagrams (DSUB/LVDS/POWER)