Samsung E2320 Service Manual
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Samsung E2320 Service Manual

Samsung E2320 Service Manual

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SERVICE
TFT-LCD Monitor
E2320 / E2320X
Refer to the service manual in the GSPN (see the rear cover) for the more information.
LCD-Monitor
Chassis : LCL23ZS
Model
: E2320
E2320X
Manual
1. Precautions
2. Product specifications
3. Disassembly and Reassemble
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
Contens

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Summary of Contents for Samsung E2320

  • Page 1 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.

  • Page 2: Table Of Contents

    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 ....................1-3 2. Product specifications 2-1. Feature & Specifications ....................2-1 2-2. Spec Comparison to the Old Models ................2-4 2-3.
  • Page 3 Mideast & Africa http://mea.samsungportal.com © 2010 Samsung Electronics Co.,Ltd. This Service Manual is a property of Samsung Electronics Co.,Ltd. All rights reserved. Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law.
  • Page 4 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.
  • Page 5 3. Disassembly and Assembly Description Photo Screws 3. Turn the monitor over again .
  • Page 6 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.
  • Page 7 3. Disassembly and Assembly Description Photo Screws 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.
  • Page 8 5. Exploded View & Part List 5. Exploded View & Part List 5-1. LS23CLZSB/XF - Exploded View (E2320)
  • Page 9 ASSY COVER P-FRONT;E2320,ABS,HB,BK23,SIM M0014 BN94-03397A ASSY PCB MAIN-STZ;E2320,STZ M0107 BN63-06316B SHIELD-COVER;PLUM 23,SECC,T0.8,DUAL M0174 BN44-00323A IP BOARD;PWI2304PC(A),PLUM23,23.6,24"w,0 M0215 BN07-00609A LCD-PANEL;LTM230HT01,SSRZTS,6Bit + Hi-FR R001A BN96-13099A ASSY COVER P-REAR;Cobalt E2320, E2320X,H SB01A BN96-12853A ASSY STAND P-BODY;COBALT,HIPS,BK23,ETCH SB04A BN96-12977A ASSY STAND P-BASE;COBALT ,19N,21.5~23,HI BN63-06317A SHIELD-LAMP;PLUM 23'',SPTE,T0.3...
  • Page 10 5. Exploded View & Part List 5-2. LS23CLZSB/XF - Parts List (E2320) Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark BN90-02722A ASSY COVER FRONT;E2320,BLACK ASSY COVER F001A BN96-13088B P-FRONT;E2320,ABS,HB,BK23,SIM...
  • Page 11 EC05 3701-001666 DVI;24P,3ROW,FEMALE,STARAIGHT, CONNECTOR- ...3 CN906 3711-005847 HEADER;BOX,9P,1R,2MM,ANGLE,SN, ASSY HDCP;BN46-00018A,BR20/21BS_ ...3 BN97-00707A CS,MSTAR KEY CODE-CERTIFICATE;(HDCP KEY) ..4 BN46-00018A PPM42M5S, ...3 BN97-04137A ASSY SMD;E2320,STZ,BN94-03397A SOLDER-CREAM;LST309- ..4 0202-001477 0.795 M,D20~45um,96.5Sn/3A DIODE-SWITCHING;MMBD4148SE,100V,200m ..4 DS01A 0401-001056 A,SO ..4 DR01A 0402-001614 DIODE-RECTIFIER;S1G,400V,1A,DO-214AC,TP ..4 MZD1 0403-001411 DIODE-ZENER;5.49-5.73V,200mW,SOD-323,TP...
  • Page 12 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 CRYSTAL-SMD;14.31818MHz,30ppm,28- ..4 X202 2801-003667 AAN,16p BEAD-SMD;60ohm,4516,TP,70ohm/45MHz,82o ..4 L2011 3301-001145 ..4 T0568 3301-001407 BEAD-SMD;30ohm,1608,300mA,TP,,,0.4ohm CONNECTOR-FPC/FFC/PIC;30P,1mm,SMD- ..4 AC510 3708-001150 A,SN,Y HEADER-BOARD TO ..4 HB01A 3711-005743...
  • Page 13 MANUAL FLYER-STAND;COBALT,Mojo 80g,148,2 ...3 BN68-02822H LABEL-STICKER;W/W,ART PAPER,T0.05,50,10, ACCE1 BN96-13553D ASSY ACCESSORY;LS19CLNSB/XF ...3 T0268 3903-000455 CBF-POWER CORD;DT,CN,IP3/Y(A),IEC320 C13 ...3 T0524 6902-000110 BAG PE;LDPE,T0.05,W250,L400,TRP,28,2,9.2 LABEL-PASSING;SAMSUNG ALL,ART ...3 T0527 AA68-00764A PAPER,CLR, ...3 T0527 BN68-00513A LABEL-E,PASS;ALL MODEL,YUPO(110G),50X15, MANUAL FLYER-WARRANTY CARD;Chinese,Art ...3 BN68-01789A MANUAL FLYER-CHINA ...3 BN68-02528A MANUAL;Cobalt,SyncMas...

  • Page 14: Precautions

    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.

  • Page 15: Servicing Precautions

    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.

  • Page 16: Installation 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.
  • Page 17 1. Precautions Memo...

  • Page 18: Product Specifications

    2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model E2320 / E2320X Feature Panel Specifications: 300 cd/m2, 5 ms, CR 1000:1, 170/160 (CR>10) ሪ DPMS : <0.3W ሪ Off-Timer function for reducing standby power usages ሪ Windows Vista/Win 7 authentication ሪ...

  • Page 19: Spec Comparison To The Old Models

    2. Product specifications 2-2. Spec Comparison to the Old Models Model Cobalt (E2320 / E2320X) Mckinley 16:9 (2243SW) Design Resolution 1920x1080 1920x1080 Input Analog / DVI digital with HDCP Analog / DVI digital with HDCP Response Time 5ms(W to B)

  • Page 20: Accessories

    2-3. Accessories Product Description Code. No Remark Quick Setup Guide BN68-02508A Warranty Card BN68-00226R (Not available in all locations) Samsung Electronics User’s Guide, Service center Monitor Driver, BN59-00990A Natural Color Pro Software D-Sub(15 Pin) Cable BN39-00244G Power Cord 3903-000452 2-4. Accessories (Sold separately)
  • Page 21 2. Product specifications Memo...

  • Page 22: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting Set custom mode as follows before beginning a repair. • Resolution: 1920x1080 • H-frequency: 65kHz • V-frequency: 60 Hz If the screen is blank, check whether the power cord is connected correctly. The circuits to check: •...

  • Page 23: When The Power Does Not Turn On

    4. Troubleshooting 4-2. When the Power Does Not Turn On - When turning on the Power button after connecting the power cable, the LED at the front of the Symptom monitor 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.
  • Page 24 4. Troubleshooting 4-2-1. Circuit diagrams when the power does not turn on...

  • Page 25: When The Screen Is Blank

    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. - Check the D-sub cable connections.
  • Page 26 4. Troubleshooting 4-3-1. When a blank screen is displayed (Analog)
  • Page 27 4. Troubleshooting 4-3-2. Waveforms when no screen is displayed (Analog) ① ③ ④...
  • Page 28 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. - Check the DVI cable connections.
  • Page 29 4. Troubleshooting 4-4-1. Circuit diagrams when a blank screen is displayed (Digital)
  • Page 30 4. Troubleshooting 4-4-2. Waveforms when a blank screen is displayed (Digital) ② ①...
  • Page 31 4. Troubleshooting 4-5. Error Examples and Actions Error Appearance Symptoms and Actions Remarks Symptom: DVI signals are not recognized. *On how to input DDC, refer to the training manual. Cause: This error occurs because the PC cannot recognize the mode information since the DVI DDC is not input to the monitor.
  • Page 32 1) Use when updating the AD board code. 2) Download the WinDDC program, DDC Input program, and Hex and DDC files appropriate to the model through the Quality Control department of Samsung Electronics. Install the jig and input the data, as shown in the figure. Monitor needing...
  • Page 33 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.
  • Page 34 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.
  • Page 35 4. Troubleshooting Inputting the DDC Data „ 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.
  • Page 36 4. Troubleshooting Inputting the MCU Data „ 1) Check the following options. - Manufacture: MSTAR - Device Type:TSUM16_ROM128K_ext_flash - Communication Port: DSUB15 (Analog) - External Memory: PMC25LV010E 2) Click the LoadFile button, select an MCU code file, and then click the Open [O] button. 4-15...
  • Page 37 4. Troubleshooting 3) Click the Auto Program button. 4) When programming and verification are complete, hard power the monitor off and then on again. 4-16...
  • Page 38 4. Troubleshooting Inputting the Code (HDCP) „ 1. Run the service.exe file. 2. Click the HDCP button. 4-17...
  • Page 39 4. Troubleshooting 3. Click the HDCP Write button and select MStar_HDCPKEY. 4. Inputting the HDCP key is completed. 4-18...

  • Page 40: Wiring Diagram

    6. Wiring Diagram 6. Wiring Diagram 6-1. Wiring Diagram - Main Board...

  • Page 41: Wiring Diagram - Ip Board

    6. Wiring Diagram 6-2. Wiring Diagram - IP Board...

  • Page 42: Connector Functions

    6. Wiring Diagram 6-3. Connector Functions Connector Functions CN101  CN600 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.
  • Page 43 6. Wiring Diagram Memo...

This manual is also suitable for:

E2320x

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