LCD-Monitor Chassis : LCL23ZS Model : E2320 E2320X SERVICE TFT-LCD Monitor Manual Contens 1. Precautions 2. Product specifications 3. Disassembly and Reassemble 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram E2320 / E2320X Refer to the service manual in the GSPN (see the rear cover) for the more information.
Contents 1. Precautions 1-1. Safety Precautions.......................................................................................................... 1-1 1-2. Servicing Precautions...................................................................................................... 1-2 1-3. Static Electricity Precautions........................................................................................... 1-2 1-4. Installation Precautions.............................................................
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.
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. When disassembling the monitor, do not use any metal tools except for the provided jig. 3.
3. Disassembly and Assembly Description 3. Turn the monitor over again .
3. Disassembly and Assembly Description Photo Screws 4. Turn the monitor over again to remove the back cover. 5. Remove the LVDS, LAMP wire and FUNCTION cable then remove the SHIELD-COVER. LVDS LAMP WIRE FUNCTION 6. Remove the LCD panel. 7. Remove the four (4) screws shown in the figure.
3. Disassembly and Assembly Description 8. Remove the four (4) screws shown in the figure and remove the Bracket support. 9. Remove the main PCB and IP boards from the SHIELD-cover. ※The assembly is in the reverse order of disassembly.
5. Exploded View & Part List 5. Exploded View & Part List M0107 BN63-06317A M0174 F001A M0215 M0014 R001A SB04A SB01A 5-1.
5. Exploded View & Part List 5-1-1. LS23CLZSB/XF - Parts List Location No. Code No. Description & Specification Q’ty SA/SNA F001A BN96-13088B ASSY COVER P-FRONT;E2320,ABS,HB,BK23,SIM 1 SA M0014 BN94-03397A ASSY PCB MAIN-STZ;E2320,STZ 1 SA M0107 BN63-06316B SHIELD-COVER;PLUM 23,SECC,T0.8,DUAL 1 SNA M0174 BN44-00323A IP BOARD;PWI2304PC(A),PLUM23,23.
5. Exploded View & Part List 5-2. LS23CLZSB/XF - Parts List (E2320) Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. 0.1 Code No. Description & Specification Q’ty SA/SNA Remark BN90-02722A ASSY COVER FRONT;E2320,BLACK 1 SNA 1 SA ..2 F001A BN96-13088B ASSY COVER P-FRONT;E2320,ABS,HB,BK23,SIM ...3 F001 BN63-06839B COVER-FRONT;E2320,ABS,HB,BK23,ETCH , SIM 1 SNA ...3 AL093 BN67-00281A LENS-LED;Cobalt Project,PC CLEAR,TP26 1 SNA ...
5. Exploded View & Part List Level Location No. Description & Specification Q’ty SA/SNA Remark ...3 0204-002420 SOLVENT;1M-1000,C3H70H,96 3.47 SNA ...3 0204-002607 FLUX;DF-234U,13%,14KG,Gravity 0.82 2.259 SNA ...3 3701-001510 CONNECTOR-DSUB;15P,3R,FEMAIL,STAMPED PIN 1 SNA ...3 EC05 3701-001666 CONNECTORDVI;24P,3ROW,FEMALE,STARAIGHT, 1 SA ...3 CN906 3711-005847 CONNECTORHEADER;BOX,9P,1R,2MM,ANGLE,SN, 1 SNA ...3 BN97-00707A ASSY HDCP;BN46-00018A,BR20/21BS_ CS,MSTAR 1 SNA .
5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ....4 C125 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2012 18 SC 1 SA ....4 X202 2801-003667 CRYSTAL-SMD;14.31818MHz,30ppm,28AAN,16p ....4 L2011 3301-001145 BEAD-SMD;60ohm,4516,TP,70ohm/45MHz,82o hm 4 SNA ....4 T0568 3301-001407 BEAD-SMD;30ohm,1608,300mA,TP,,,0.4ohm 2 SNA ....4 AC510 3708-001150 CONNECTOR-FPC/FFC/PIC;30P,1mm,SMDA,SN,Y 1 SA ....
5. Exploded View & Part List Level Location No. ..2 Description & Specification Q’ty SA/SNA Remark BH68-00659H LABEL BOX-00;ALL MODEL,MOJO 90G,90,95,WH 1 SNA 0.1 ACCE1 BN92-05913M ASSY ACCESSORY;LS22CLZSB/XF 1 SNA ..2 EC29 BN39-00244H CBF SIGNAL-D-SUB TO D-SUB;D-sub cable,15 1 SA ..2 SB01A BN96-12853A ASSY STAND P-BODY;COBALT,HIPS,BK23,ETCH 1 SA ...3 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW 2 SA ...3 T0524 6902-000023 BAG PE;LDPE,T0.08,W150,L120,TRP,1.
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 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. 1-1-2. Servicing the LCD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet. 2.
1. Precautions 1-2. Servicing Precautions WARNING: Caution: Note: An electrolytic capacitor installed with the wrong polarity might explode. Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions. 1-2-1 General Servicing Precautions 1.
1. Precautions 1-4. Installation Precautions 1. For safety reasons, more than two people are required for carrying the product. 2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. 3. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire. 4. Bend the external antenna cable when connecting it to the product.
1.
2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model E2320 / E2320X Feature ሪሪ Panel Specifications: 300 cd/m2, 5 ms, CR 1000:1, 170/160 (CR>10) ሪሪ DPMS : <0.
2. Product specifications 2-2.
2. Product specifications 2-3. Accessories Product Description Code. No Quick Setup Guide BN68-02508A Warranty Card (Not available in all locations) BN68-00226R User’s Guide, Monitor Driver, Natural Color Pro Software BN59-00990A D-Sub(15 Pin) Cable BN39-00244G Power Cord 3903-000452 Remark Samsung Electronics Service center 2-4. Accessories (Sold separately) Product Description Code.
2.
4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting 1. Set custom mode as follows before beginning a repair. • Resolution: 1920x1080 • H-frequency: 65kHz • V-frequency: 60 Hz 2. If the screen is blank, check whether the power cord is connected correctly. 3. The circuits to check: • When the raster does not appear: The Function PCB, Main PCB, I/P PBA • When 5V is generated but a blank screen is displayed: Main PCB • When 5V is not generated: I/P PBA 4.
4. Troubleshooting 4-2. When the Power Does Not Turn On Symptom -W hen turning on the Power button after connecting the power cable, the LED at the front of the monitor does not operate. -W hen turning on the Power button after connecting the power cable, the LED at the front of the monitor does not operate. Major checkpoints - 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.
4. Troubleshooting 4-2-1.
4. Troubleshooting 4-3. When the screen is blank (Analog) Symptom - LEven 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. Major checkpoints - Check the D-sub 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.
4. Troubleshooting 4-3-1.
4. Troubleshooting 4-3-2.
4. Troubleshooting 4-4. When a blank screen is displayed (Digital) Symptom - Even though the LED power turns on, the screen is blank when connecting the DVI cable. - Even though the LED power turns on, the screen is blank when connecting the DVI cable. Major checkpoints - 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.
4. Troubleshooting 4-4-1.
4. Troubleshooting 4-4-2.
4. Troubleshooting 4-5. Error Examples and Actions Error Appearance Symptoms and Actions Symptom: DVI signals are not recognized. Cause: This error occurs because the PC cannot recognize the mode information since the DVI DDC is not input to the monitor. Action: Input the DVI DDC. Symptom: A full white screen is displayed regardless of the signals when turning on the monitor.
4. Troubleshooting 4-6. Adjustment 4-6-1. Service Adjustment Conditions 1. Precautions before a Service Adjustment 1) Check whether the devices for the service adjustment are operating normally. 2) Secure a space that is sufficiently wide for disassembling the monitor. 3) Prepare a soft mat on which the monitor will be disassembled. 2. Entering Service Mode Entering: Exiting: Menu Power OFF Brightness 0 Contrast 0 Hold down the Enter button for five (5) seconds. Power ON 3.
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. E ntering 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. - To exit the SVC Function, turn the power off. 3.
4. Troubleshooting 2. Press the - button to change the setting to On or Off. When replacing the panel After replacing the panel, move to the Panel item and hold down the Menu button for five (5) seconds. The Ch. No is incremented by 1 and then both the On Time and Cycle are set to 0. This number is incremented by 1.
4. Troubleshooting Inputting the DDC Data 1 2 3 4 5 Use the DDC Manager MTI-2050 version or later. 1) Click the Open [F5] icon. 2) Select a port. 3) Open a DDC file. 4) Select a date and click the OK [Save] button. 5) Click the Next [OK] button. 6 6) Enter the serial number and then press the Enter button ※※When inputting digital data after inputting analog data, repeat steps 2 to 5.
4. Troubleshooting Inputting the MCU Data 1 1) Check the following options. - Manufacture: MSTAR - Device Type:TSUM16_ROM128K_ext_flash - Communication Port: DSUB15 (Analog) - External Memory: PMC25LV010E 2 2) Click the LoadFile button, select an MCU code file, and then click the Open [O] button.
4. Troubleshooting 3 3) Click the Auto Program button. 4) When programming and verification are complete, hard power the monitor off and then on again.
4. Troubleshooting Inputting the Code (HDCP) 1. Run the service.exe file. 2. Click the HDCP button.
4. Troubleshooting 3. Click the HDCP Write button and select MStar_HDCPKEY. 4. Inputting the HDCP key is completed.
6. Wiring Diagram 6. Wiring Diagram 6-1.
6. Wiring Diagram 6-2.
6. Wiring Diagram 6-3. Connector Functions Connector CN101 CN600 Functions Supplies 5V from the power board to the main board and transmits the PWM output from the power board to the inverter. *When a problem occurs: The No Power and Blank Screen errors may occur. CN1 ~ CN4 In Transmits the lamp current (6mA ~ 7mA) generated in the inverter to the lamp of the panel. * When a problem occurs: The Blank Screen error may occur. CN102 Transmits the input power of 90 to 263V to the power board.
6.
