Samsung Р2370Н Service Manual
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Samsung Р2370Н Service Manual

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SERVICE
TFT-LCD Monitor
P2370H / P2470H
Refer to the service manual in the GSPN (see the rear cover) for the more information.
All manuals and user guides at all-guides.com
LCD-Monitor
Chassis
Model
: LS23EFV
LS24EFH
: P2370H
P2470H
Manual
Contens
1. Precautions
2. Product specifications
3. Disassembly and Reassemble
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram

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Summary of Contents for Samsung Р2370Н

  • Page 1 All manuals and user guides at all-guides.com LCD-Monitor Chassis : LS23EFV LS24EFH Model : P2370H P2470H 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 P2370H / P2470H Refer to the service manual in the GSPN (see the rear cover) for the more information.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Contents 1. Precautions ......................1-1 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 2-1. Feature & Specifications ....................2-1 2-2.
  • Page 3 Mideast & Africa http://mea.samsungportal.com © 2009 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 All manuals and user guides at all-guides.com 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.
  • Page 5 All manuals and user guides at all-guides.com 3. Disassembly and Assembly Description Photo Screws 3. Separate the other side in the same way. 4. Lift the REAR-COVER up to separate it. 5. Remove the FFC cable, the LED driver wire, the function wire and the two hex-head screws, and separate the DVI shield.
  • Page 6 All manuals and user guides at all-guides.com 3. Disassembly and Assembly Description Photo Screws 7. Separate the inverter and the main PBA from the PBA bracket. ※The assembly is in the reverse order of disassembly.
  • Page 7 All manuals and user guides at all-guides.com 3. Disassembly and Assembly Memo...
  • Page 8 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5. Exploded View & Part List 5-1. LS23EFVKU/XF - Exploded View (P2370H)
  • Page 9 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-1-1. LS23EFVKU/XF - Parts List (P2370H) Location No. Code No. Description & Specification Q’ty SA/SNA Remark M0006 BN96-11906C ASSY SHIELD P-COVER;P2370H,SECC,T0.8 M0013 BN96-12215A ASSY COVER P-REAR;ECOFIT(P2370H),ABS HB, M0014 BN94-03171L ASSY PCB MAIN-STZ,W/W;LS23EFV*,W/W...
  • Page 10 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-2. LS23EFVKU/XF - Parts List (P2370H) Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark BN90-02018J ASSY COVER FRONT;LS23EF (P2370H) ASSY COVER T0003...
  • Page 11 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark M0017 BN91-04468M ASSY CHASSIS-STZ,W/W;LS23EFVKUV/ZA SCREW-TAPTYPE;PWH,+,- M0081 6003-001023 ,B,M3,L10,ZPC(WHT), T0562 6046-001014 STAND OFF;#4-40,L6,NI PLT,C3601 LEAD CONNECTOR;ECOFIT M2893 BN39-00419E 25inch,UL1571#30,1 M0215...
  • Page 12 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 BN81-02952A A/S-CHIP-RESISTOR;2007-000803 ..5 BN81-02954A A/S-CHIP-RESISTOR;2007-000633 ..5 BN81-02959A A/S-CHIP-RESISTOR;2007-000336 ..5 BN81-04507A A/S-R-CHIP;2007-000075 ..5 BN81-04508A A/S-R-CHIP;2007-000103 ..5 BN81-04509A A/S-R-CHIP;2007-000119 ..5...
  • Page 13 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark TR-SMALL SIGNAL;KTC3875S- ..4 Q101 0501-000445 Y,NPN,150mW,SOT TR-SMALL ..4 PQ02 0501-002080 SIGNAL;2SC2412K,NPN,200mW,SC-59 ..4 Q409 0505-001165 FET-SILICON;Si3443CDV,P,-20V,+-4.4A,65mo ..4 Q409 0505-001170 FET-SILICON;FDS9933A,P,-20V,3.8A,0.075oh...
  • Page 14 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..4 2007-001068 R-CHIP;6.8Kohm,1%,1/10W,TP,1608 ..4 ZR10 2007-001164 R-CHIP;75ohm,1%,1/10W,TP,1608 ..4 2007-002425 R-CHIP;1ohm,5%,1/10W,TP,1608 ..4 AC14 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,TP,1608 ..4 C258 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4...
  • Page 15 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark 6902-000379 BAG AIR;LDPE,T0.2,W1000,L1800,TRP,1260.0 6902-000604 BAG WRAPPING;LDPE,T0.02,W500,L10000,TRP, 1.11 6902-000609 BAG ROLL;LDPE,T0.05,W2400,L1000,TRP,30.0 0.02 AA69-04626D PAD-PLATE;CB,SW,1350,870,100g LABEL-SUMMARY;G52,G72,ART,100G,WHT,BL T0527 BH68-40364A BH69-00457C PACKING INNER-00,PAD;COMM,T3.0,880,1320, T0527...
  • Page 16 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..4 BN81-04117A A/S-FET-N MOS;0505-000010 ..4 BN81-04120A A/S-SCR;1401-000001 ..4 BN81-04121A A/S-VARISTOR;1405-000005 ..4 BN81-04122A A/S-RESISTOR-MOR;2001-100003 ..4 BN81-04123A A/S-RESISTOR-MOR;2001-100007 ..4 BN81-04124A A/S-RESISTOR-MOR;2001-100016...
  • Page 17 BN73-00077A ...3 BN68-02304C LABEL-STICKER;WW,T0.05,50,10,LAVERDER 19 M0045 BN96-13425F ASSY ACCESSORY;LS23EFVKU/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 M9889 BN63-02368B CLOTH-CLEAN;cloth,120,160,sea blue,ToC ...3 T0527 BN68-00513A LABEL-E,PASS;ALL MODEL,YUPO(110G),50X15, MANUAL FLYER-WARRANTY CARD;Chinese,Art ...3 BN68-01789A MANUAL FLYER-QSG SC;P2370H,SC,Mojo...

  • Page 18: Precautions

    All manuals and user guides at all-guides.com 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 19: Servicing Precautions

    All manuals and user guides at all-guides.com 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.

  • Page 20: Installation Precautions

    All manuals and user guides at all-guides.com 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.
  • Page 21 All manuals and user guides at all-guides.com 1. Precautions Memo...

  • Page 22: Product Specifications

    All manuals and user guides at all-guides.com 2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model P2370H / P2470H Feature Panel Specification : 300cd/m2 , 5ms (G to G 2ms), CR 1000:1 (DCR 70000:1), 170/160 ሪ DPMS : <1.3W (Typical), <1.5W (Max) ሪ...

  • Page 23: Spec Comparison To The Old Models

    All manuals and user guides at all-guides.com 2. Product specifications 2-2. Spec Comparison to the Old Models Model P2370H / P2470H XL2370 / P2570 Design 23” 250cd/m2 Brightness 300cd/m2 25” 300cd/m2 Contrast 1000:1 1000:1 23” MEGA DCR 70,000:1 25” 70,000:1 Response Time 5ms ( W to B) &...

  • Page 24: Accessories

    BN68-01650A Warranty Card BH68-00633B (Not available in all locations) User’s Guide, Monitor Driver, BN96-09890A Natural Color software, MagicTune™ software Stand Body BN96-09628B Samsung Electronics Stand Base BN96-11315A Service center CBF SIGNAL-DVI(I) to D-sub BN39-00310D 1,500mm(1.5M) Power Cord 3903-000085 1,830mm(1.8M) Adator...

  • Page 25: Accessories (Sold Separately)

    All manuals and user guides at all-guides.com 2. Product specifications 2-4. Accessories (Sold separately) Product Description Ccde. No Remark DVI Cable BN39-00246L 1,500mm(1.5M) Samsung Electronics Service center HDMI Cable MD39-00116A...

  • Page 26: Troubleshooting

    All manuals and user guides at all-guides.com 4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting Set custom mode as follows before beginning a repair. - Resolution : 1920 X 1080 - H-Frequency : 67.500kHz - V-Frequency : 60.000Hz If the screen is blank, check whether the power cord is connected correctly. The circuits to check: •...

  • Page 27: When The Power Does Not Turn On

    All manuals and user guides at all-guides.com 4. Troubleshooting 4-2. When the power does Not Turn on - When turning on the power button after connecting Adaptor, the LED at the front of the monitor Symptom does not operate. - Check the Adaptor power fuse and the Adaptor output power. - Check the connections for Adaptor and the Main board inside the monitor.
  • Page 28 All manuals and user guides at all-guides.com 4. Troubleshooting 4-2-1. Circuit diagrams when the power does not turn on...

  • Page 29: When The Screen Is Blank (Analog)

    All manuals and user guides at all-guides.com 4. Troubleshooting 4-3. When the screen is blank (Analog) - Even though the LED power turns on, the screen is blank when connecting the DVI-I to D-sub Symptom cable. - Check the DVI-I to D-sub cable connections. Major checkpoints - Check whether the LVDS(FFC) cable is connected correctly to the panel.
  • Page 30 All manuals and user guides at all-guides.com 4. Troubleshooting 4-3-1. When a blank screen is displayed (Analog)
  • Page 31 All manuals and user guides at all-guides.com 4. Troubleshooting 4-3-2. Waveforms when no screen is displayed (Analog) ① ③ ④...

  • Page 32: When A Blank Screen Is Displayed (Digital)

    All manuals and user guides at all-guides.com 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. - Check the DVI cable connections. Major checkpoints - Check whether the LVDS(FFC) cable is connected correctly to the panel.
  • Page 33 All manuals and user guides at all-guides.com 4. Troubleshooting 4-4-1. Circuit diagrams when a blank screen is displayed (Digital)
  • Page 34 All manuals and user guides at all-guides.com 4. Troubleshooting 4-4-2. Waveforms when a blank screen is displayed (Digital)

  • Page 35: When A Blank Screen Is Displayed (Hdmi)

    All manuals and user guides at all-guides.com 4. Troubleshooting 4-5. When a blank screen is displayed (HDMI) Symptom - Even though the LED power turns on, the screen is blank when connecting the HDMI cable. - Check the HDMI cable connections. Major checkpoints - Check whether the LVDS(FFC) cable is connected correctly to the panel.
  • Page 36 All manuals and user guides at all-guides.com 4. Troubleshooting 4-5-1. Circuit diagrams when a blank screen is displayed (HDMI) 4-11...
  • Page 37 All manuals and user guides at all-guides.com 4. Troubleshooting 4-5-2. Waveforms when a blank screen is displayed (HDMI) 4-12...
  • Page 38 All manuals and user guides at all-guides.com 4. Troubleshooting 4-6. 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 39 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 40 All manuals and user guides at all-guides.com 4. Troubleshooting 4-7-2. 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.
  • Page 41 All manuals and user guides at all-guides.com 4. Troubleshooting When replacing the panel „ After replacing the panel, select the Panel Ch. No. item and press the MENU key for five seconds. The Panel Ch. No. will then increment by one and the panel’s time information will be set to 0. At the same time, the panel cycle will be set to 0.
  • Page 42 All manuals and user guides at all-guides.com 4. Troubleshooting Inputting the DDC Data „ After exchange the Main Board, We use DDC manager and must complete downloading. Connecting is refer to below picture. MICOM can be updated with DDC manager. Connect to parallel port DDC MANAGER Connect to MAIN board...
  • Page 43 All manuals and user guides at all-guides.com 4. Troubleshooting 5. Enter the serial number and then press the Enter button. If you using old version. -> When inputting digital data after inputting analog data, repeat steps 2 to 5. 4-18...
  • Page 44 All manuals and user guides at all-guides.com 4. Troubleshooting Inputting the MCU Data „ 1) Check the following options. - Manufacture : MSTAR - Device Type :TSUMxx - Communication Por t: DSUB15(Analog) - External Memory : PMC25LV040 2) Click the LoadFile button, select an MCU code file, and then click the Open [O] button. 4-19...
  • Page 45 All manuals and user guides at all-guides.com 4. Troubleshooting 3) Click the Auto Program button. 4) When programming and verification are complete, hard power the monitor off and then on again. 4-20...
  • Page 46 All manuals and user guides at all-guides.com 4. Troubleshooting Inputting the Code (HDCP) „ 1. Run the service.exe file. 2. Click the HDCP button. 4-21...
  • Page 47 All manuals and user guides at all-guides.com 4. Troubleshooting 3. Click the HDCP Write button and select MStar_HDCPKEY. 4. Inputting the HDCP key is completed. 4-22...

  • Page 48: Wiring Diagram

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6. Wiring Diagram 6-1. Wiring Diagram - Main Board...

  • Page 49: Wiring Diagram - Ip Board

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6-2. Wiring Diagram - IP Board LVDS Connector (Connect to Panel) CN400 LVDS X201 IC200 EEPROM IC101 Scaler TMDS Switch CN604 OP700 CN700 CN102 CN703 DVI - I HDMI Audio Optical Adaptor Jack...

  • Page 50: Connector Functions

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6-3. Connector Functions Connector Functions CN102 DVI-I (Analog/ Digital) signal input terminal * Upon occurrence of a fault: No RGB Output error may occur. CN200 Connected to the function board. * Upon occurrence of a fault: No LED screen and Function Failure error may occur.
  • Page 51 All manuals and user guides at all-guides.com 6. Wiring Diagram Memo...

This manual is also suitable for:

Ls23efvLs24efhSyncmaster p2470h

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