LCD-Monitor Chassis : LS82BPT Model : 820DXn 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 820DXn Refer to the service manual in the GSPN (see the rear cover) for the more information.
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3. Disassembly and Reassemble 3. Disassembly and Reassemble When disassembling the monitor, do not use any metal tools except for the provided jig. WARNING: As this monitor has parts that are sensitive to static electricity, be careful when handling them. 3-1.
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3. Disassembly and Reassemble Description Picture Description Screws 5. Remove the screws and the board designated in the right photo, and then place the set down. 6. Remove the four (15) screws shown in the figure and remove the board. 7.
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3. Disassembly and Reassemble Description Picture Description Screws 9. Remove the screws designated in the right photo and remove the stand. 10. Remove the screws designated in the right photo and remove the bracket. Reassembly procedures are in the reverse order of disassembly procedures. ※...
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 BEETHOVENPLUS (820DXn) BEETHOVENPLUS(320PX) Design Size 82”(1920 x 1080), SPVA 32”(1366 x 768), SPVA Panel Spec 600cd/m2, 1500 : 1, 178/178, 8ms 450cd/m2, 1200 : 1, 178/178, 8ms D-Sub, DVI-D, BNC...
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Warranty Card BH68-00261F (Not available in all locations) Natural Color, MDC, MagicNet Software BN59-00654A User’s Manual D-Sub(15 Pin) Cable BN39-00244B Power Cord 3903-00280 Samsung Electronics Service center BNC to RCA 3705-001262 Adaptor Jack Remote Control BN59-00489A Batteries (AAA × 2) 4301-000121...
2. Product specifications 2-4. Accessories (Sold separately) Product Description Ccde. No Remark DVI Cable BN39-00246F Wall Mount KIT WNN-7070 Samsung Electronics Service center VESA bracket BN96-01791A RS232C cable BN39-00341A...
4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting Before troubleshooting, setup the PC ‘s display as below. • Resolution: 1360 x 768 • H-frequency: 47 kHz • V-frequency: 60 Hz If no picture appears, make sure the power cord is correctly connected. Check the following circuits.
4. Troubleshooting 4-2. No Power When turning on the Power button after connecting the power, the LED at the front of the Symptom monitor does not operate. Check the IP board power fuse and the IP board output power. Major Check the connections for the IP board and the Main board inside the monitor.
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4. Troubleshooting 4-2-1. Waveform ① ② ④ ③...
4. Troubleshooting 4-3. No PC(D-SUB) Video Symptom Though the LED power turns on, the screen is blank when connecting the VGA cable. Check the D-sub cable connections. Major Check whether the LVDS cable is connected correctly to the panel. checkpoints Check whether the lamp connector of the panel is connected correctly to the IP board.
4. Troubleshooting 4-4. No DVI Video Symptom The LED power turns on but the screen is blank when the DVI cable is connected. Check the DVI cable connections. Check whether the LVDS cable is connected correctly to the panel. Major checkpoints Check whether the lamp connector of the panel is connected correctly to the IP board.
4. Troubleshooting 4-5. No BNC Video Symptom The LED power turns on but the screen is blank when the BNC cable is connected. Check the BNC cable connections. Major Check whether the LVDS cable is connected correctly to the panel. checkpoints Check whether the lamp connector of the panel is connected correctly to the IP board.
4. Troubleshooting 4-6. No Component Video(Component) Symptom The LED power turns on but the screen is blank when the Component cable is connected. Check the Component cable connections. Major Check whether the LVDS cable is connected correctly to the panel. checkpoints Check whether the lamp connector of the panel is connected correctly to the IP board.
4. Troubleshooting 4-7. No AV Video (AV) Symptom The LED power turns on but the screen is blank when the AV cable is connected. Check the AV cable connections. Major Check whether the LVDS cable is connected correctly to the panel. checkpoints Check whether the lamp connector of the panel is connected correctly to the IP board.
- Check whether the Lamp connector on the panel is connected to the IP-board correctly. IC12 Diagnostics When turning the power on in Check IC12 and whether the MagicNet mode, does the Samsung LED is turned on. logo screen appear? Replace the FDM Does the blue screen appear as shown in Figure ⑮...
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4. Troubleshooting 4-8-1. Screens to Check ⑮ 4-15...
4. Troubleshooting 4-9. 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.
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4. Troubleshooting 4-6. Adjustment 4-6-1. Entering Service Mode with Remote Control Entering Service Mode Power Off MUTE Power On INFO FACTORY (Using factory Remocon) 4-6-2. Service Mode Menu 4-17...
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4. Troubleshooting AutoColor Part PC analog Only ( 1024x768@60 16gray pattern) Color control operates normally only in certain modes of certain patterns, but in other cases, the operation may distort color. Also, color control is not normal when controlling color in a mode other than XGA 60Hz. Extreme caution needed.!! Component ( 720p color bar pattern) Color control operates normally only in certain modes of...
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4. Troubleshooting Sharpness Part Adjusting the sharpness of displayed image. Scaling Filter Sharpness Control – Peaking Y / Peaking UV This adjusts the sharpness of luminance(Y) and color(UV). The bigger the number is in the range of 1~127, the clearer the picture is. The bigger the number is in the range of 128~255, the more natural video is.
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4. Troubleshooting Enhancers Part Adjust to display the clear and sharp image. This function is used to adjust the appropriate value for each target region. Change only when it is needed. HLE : Horizontal Large Edge Enhancer HDP : Horizontal Detail Processor HCE : Horizontal Chroma Enhancer VDP : Vertical Detail Processor Back End Part...
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4. Troubleshooting Panel Info Part Display the panel use time and the number of change. Time Reset : Press the menu button on the front panel for 5 seconds. AV Size Part AV size, position Adjustment H,V size / H,V Position 4-21...
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4. Troubleshooting Spread Spectrum/Reset Part Spread Spectrum Adjustment The application status of Spread spectrum Amplitude and Period Setting Reset : Factory Reset Reset the setting on the Service Menu to the default setting. Need to turn the Power On/Off after reset NTP3000 Part ...
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4. Troubleshooting FBEX Part Fix the DNIe screen quality settings to the factory defaults, which are the optimal settings. (They cannot be changed.) If they need to be changed, specialist help is required for the DNIe screen quality. FBEx_WhiteBalance Part ...
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4. Troubleshooting Option/Checksum Part Option Adjustment -. Baudrate Speed Setting (The default value is 9600. -. Change to 115200 when the code update on the main board is required.) -. Function Key Setting/Unsetting -. Option Setting in the Network part -.
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4. Troubleshooting DDC Input Process Connecting D-sub cable between the parallel port(printer port) of computer and Monitor ※ Connecting to the parallel port of computer Connecting to Monitor The DDC input is available after entering the Service Mode. : Cancel the DDC Protection. ※...
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4. Troubleshooting 5: Input the monitor serial number and press Enter. Input Analog and repeat 2~5 times when input Digital. Updating the Program - MAIN How to connect � - Connect the serial port of the PC and the input serial port of Beethoven Board with the RS232C cable. - Option in the Factory Menu : Check if BaudRate is set to 115200.
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4. Troubleshooting Run the .exe file and press the “OK” button, then press “Next” to complete the installation. (Attached) The program is not affected by Windows OS system. When the installation is complete using the Setup.exe file, the icon appears on your desktop. Double click the icon to run the program.
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4. Troubleshooting ① 1. Flash Download in the File Select menu Set as the figure. Chip Model : Set 2MB_TORINO first. 2. After the installation Connection Set as the figure SERIAL1, COM1, 115200 ① 4-28...
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4. Troubleshooting 3. 2MB Flash Isp_16_ext. Hex - Click Load Config for the auto setting. 4. Select the file you want to download on Browse. 5. Press 5 to download. Turn the power of the board off/on when the download success message appears. Check the Checksum and date to see if the right code is applied in the Factory mode.
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4. Troubleshooting Installing the MDC (Multi Display Control) Program 1. Run SETUP.EXE. 2. Click I Agree. 3. Click Next. 4. Click Install. 4-30...
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4. Troubleshooting 5. The installation proceeds. 4-31...
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4. Troubleshooting Must Do’s after change the Board 1. Main Board Check the adjusted PC color status � DDC Input (Input both Analog and Digital) � Reset after entering the Service mode and turn off the Hard power. � 2.
6. Wiring Diagram 6-9. Connector Functions Connector Description LVDS signals transmitted from the main circuit to the panel CN405 * When a problem occurs: A blank screen is displayed or noise occurs on the screen. The control signals for the power and speed of Fan1 CN406 * When a problem occurs: The message “CHECK COOLING SYSTEM”...
6. Wiring Diagram 6-10. Cables LVDS Cable LVDS Cable Code Photo BN39-00634B BN39-00618D The control cable for the main SMPS and the main The power cable for the SMPS and the circuit circuit board board Code Photo BN39-00951A BN39-00984A Function Key Cable FAN Cable Code Photo...