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LCD Monitor
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LCD-Monitor
Chassis
Model
Manual
Fashion Feature
- Back Side cable management
- Silm / Narrow Design
- PCB: 2 Layer, 150mm x 100mm
- Connectivity: DVI-D, USB 2.0 (1up, 4down)
- Power consumption: 130W
- Built in power supply
LHU30BS
305TPLUS

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Summary of Contents for Samsung 305TPLUS

  • Page 1 LCD-Monitor Chassis LHU30BS Model 305TPLUS SERVICE Manual LCD Monitor Fashion Feature - Back Side cable management - Silm / Narrow Design - PCB: 2 Layer, 150mm x 100mm - Connectivity: DVI-D, USB 2.0 (1up, 4down) - Power consumption: 130W - Built in power supply Downloaded from www.Manualslib.com...
  • Page 2 Samsung Electronics Co.,Ltd. -This Service Manual is a property of Samsung 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Electronics Co., Ltd. Gyeonggi-Do, Korea, 443-742 Any unauthorized use of Manual can be punished Printed in Korea under applicable International and/or domestic P/N : BN82-00169A-01 law.
  • Page 3: Alignments And Adjustments

    3 Alignments and Adjustments 3 Alignments and Adjustments This section of the service manual explains how to use the RS232 JIG. This function is needed for AD board change and program memory (IC200) change. 3-1 Required Equipment The following equipment is necessary for adjusting the monitor: Computer with Windows 95, Windows 98, or Windows NT.
  • Page 4: Edid Installation With Dos Program

    3 Alignments and Adjustments 3-4 EDID Installation with Dos Program 1.Execute "DDC21.exe"± 2.Click "LOAD FILE"± 3.File Name "305T.DDC" 4. Click "WRITE EEPROM"± Confirm the "OK" Sign Error Massage: Check the Signal Cable or Interface Board Downloaded from www.Manualslib.com manuals search engine...
  • Page 5: Edid Installation With Windows Program

    3 Alignments and Adjustments 3-5 EDID Installation with Windows Program 1. Execute "WinDDC.exe" 2. Click "Sys Config"± Select "Station : Write station". Check "Serial No and Week : Don't change"± Click "Save"± 3. Click "Open" icon. Select "Connected Port #1" and Next "OK". * File Name - 305T.DDC Press enter key on your keyboard.
  • Page 6 3 Alignments and Adjustments Memo Downloaded from www.Manualslib.com manuals search engine...
  • Page 7 7 Block Diagrams 7 Block Diagram 7-1 Block Diagram (Main) Downloaded from www.Manualslib.com manuals search engine...
  • Page 8: Block Diagram (Smps)

    7 Block Diagrams 7-2 Block Diagram (SMPS) Downloaded from www.Manualslib.com manuals search engine...
  • Page 9: Circuit Descriptions

    13 Circuit Descriptions 13 Circuit Descriptions 13-1 BLOCK discription (MAIN) 13-1 Downloaded from www.Manualslib.com manuals search engine...
  • Page 10 13 Circuit Descriptions BLOCK DESCRIPTION NAME WT61P4 MICOM IC-MICROCONTROLLER,PLCC,44P,16Bit USB2504 IC-USC, USB2504,8Bit,TQFP,64P FET-SILICON, SI4435DY,P,-30V,+-8.0A, DC/DC SI4435 0.014ohm,2.5W,SO-8 CN_DSUB_24_3R_G2, CONNECTOR-DVI, DVI-D INPUT CONNECTOR-DVI 24P,3R,FEMALE,ANGLE,AUF JACK_USB_08_G4, JACK-USB, 4P/2C,AUF, USB_DN USB PORT BLK,ANGLE,A TYPE JACK_USB_04_G2, JACK-USB, 4P/1C,AU,IVR, USB_UP USB PORT ANGLE,B TYPE SIGNAL CN_SMD_S_030, CONNECTOR-HEADER, LVDS CONNECTOR CONNECTOR...
  • Page 11 13 Circuit Descriptions 13-2 BLOCK discription (SMPS) 13-3 Downloaded from www.Manualslib.com manuals search engine...
  • Page 12 13 Circuit Descriptions BLOCK DESCRIPTION NAME LX801s EMI Filter Coil Line filter Inrush current FP801S For continued protection Power Factor Correction (PFC) allows power distribution to PFC section PFC Circuit operate at its maximum efficiency M-power Multiple-chip power Device F9222L Standby power is the power consumed by an appliance during Standby power STD 6V...
  • Page 13: Disassembly And Reassembly

    11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the 305TLCD monitor. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 11-1 Disassembly Cautions: 1.
  • Page 14 11 Disassembly and Reassembly Description Picture Description 3. Disconnect cables and remove the inverter power and function cable 4. Remove 1screws from the Shield. 5. Remove 4screws from the Shield between LCD_psanel and Shield 6. Disconnect cables LVDS and Signal from Panel control board 11-2 Downloaded from...
  • Page 15 11 Disassembly and Reassembly Description Picture Description 7. Remove 2screws from DVI input connector 8. Up and down the chassis ass'y 9. Remove 2 screw on the main board 10.Remove 3 screws on the SMPS board 11-3 Downloaded from www.Manualslib.com manuals search engine...
  • Page 16 11 Disassembly and Reassembly Description Picture Description 11.Disconnect cables LVDS and Signal and Power from Main board 11-3 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-4 Downloaded from www.Manualslib.com manuals search engine...
  • Page 17: Electrical Parts List

    6 Electrical Parts List 6 Electrical Parts List You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 6-1. LS30HUXCB/XSF Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LS30HUXCB/XSF 305TPLUS,WQA1/S30A0-LHU,30,LCD-MO,CHINA M0001 BN90-01014G ASSY COVER FRONT;LS30HUX_305T PLUS...
  • Page 18 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ...3 CN802 3722-001414 JACK-USB;4P/2C,AUF,BLK,ANGLE,A TYPE ...3 T0174 BN97-01026Z ASSY SMD;LS30HUB* S.N.A ..4 SUB05 0202-001477 SOLDER-CREAM;LST309-M,-,D20~45##,96.5Sn/ 1.048 S.N.A ..4 D100 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D101 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D102 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO...
  • Page 19 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4...
  • Page 20 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4...
  • Page 21 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4...
  • Page 22 6 Electrical Parts List 6-2 LS17VDP Others Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 ..4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 ..4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 ..4 C120 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C120 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C120 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C120...
  • Page 23 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C600 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 ..4 C611 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 ..4 C614 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 ..4 C605 2402-001128 C-AL,SMD;100##F,20%,16V,-,TP,6.3X5.7mm ..4 C120 2402-001254 C-AL,SMD;10uF,20%,50V,WT,TP,6.3x5.2mm ..4 C608 2402-001254 C-AL,SMD;10uF,20%,50V,WT,TP,6.3x5.2mm ..4 C842 2409-001065 C-ORGANIC;82uF,20%,16V,WT,TP,8X6.9mm,- ..4...
  • Page 24 BAG PE;LDPE,T0.05,W250,L400,TRP,28,2 S.N.A ...3 M0113 BH68-70455A CARD-TESTED GOODS;ALL (CHINA),SAMAUNG,CH S.N.A ...3 ACCESSORY BH75-00146B UNIT-11,WARRANTY;CHINA,-,ASS'Y-W/CARD,BH S.N.A ..4 BH68-00297E MANUAL FLYER-11,WARRANTY CARD;SAMSUNG BA S.N.A ..4 BH68-00297F MANUAL FLYER-10,WARRANTY CARD;ENVELOPE,S S.N.A ...3 ACCESSORY BN68-01118A MANUAL-02,TCO99 CARD;COMM,W/W,Mojo 100g, S.N.A ...3 M0215 BN96-03966N ASSY MANUAL P-IB+QSG;305T,305TPLUS,-,Syn S.N.A...
  • Page 25: Exploded View And Parts List

    6 Exploded View & Parts List 5 Exploded View and Parts List -You can search for updated part codes through ITSELF web site. URL : http://itself. sec. samsung.co.kr 5-1. Exploded View T0003 M0215 M0145 M0014 M0006 T0514 M0002 M0003 Downloaded from www.Manualslib.com...
  • Page 26 5 Exploded View & Parts List 5-1-1. LS30HUXCB/XSF Parts List Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-03652F ASSY COVER P-FRONT;LS30HUX(305T PLUS),,H M0215 BN07-00470A LCD-PANEL;LTM300M1-P02,Hubble,8BIT,677.3 M0145 BN96-04050A ASSY BOARD P-FUNCTION;HUBBLE,SJ06-01-013 M0014 BN94-01009S ASSY PCB MAIN-SPZ,W/W;LS30HUB* M0006 BN96-03656A ASSY SHIELD P-COVER;HUBBLE,SECC,T0.8 S.N.A T0514 BN61-02582A...
  • Page 27: Product Features

    10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Product Features (Standard) Swivle Tilt - Improved Response Time by Adopting RTA - Sync & DE(Data Enable) mode : 6 ms (Based on "Gray to Gray") - Dual Link TMDS serial interface (4pixel/clock) - High contrast ratio &...
  • Page 28: Installation Instructions

    10 Operating Instructions and Installation 10-3 Installation Instructions (The configuration at the back of the monitor may vary from product to product.) 1. USB DOWNSTREAM : Connect the USB DOWN port of the USB monitor and a USB device with the USB cable. 2.
  • Page 29: Pcb Diagram

    12 PCB Layout 12 PCB Diagram 12-1 PCB Diagram (Main) 12-1 Downloaded from www.Manualslib.com manuals search engine...
  • Page 30 12 PCB Layout 12-2 PCB Diagram (SMPS) 12-2 Downloaded from www.Manualslib.com manuals search engine...
  • Page 31: Safety Precautions

    1 Precautions 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 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 32: General 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 33: Installation Precautions

    1 Precautions 1-4 Installation Precautions 1. For safety reasons, more than two people are 6. Keep the antenna far away from any high-voltage required for carrying the product. cables and install it firmly. Contact with the high- voltage cable or the antenna falling over may 2.
  • Page 34 1 Precautions Memo Downloaded from www.Manualslib.com manuals search engine...
  • Page 35: Product Specifications

    2 Product Specifications 2 Product Specifications 2-1 Fashion Feature -. Improved Response Time by Adopting RTA: 6ms (Based on "Gray to Gray") -. High contrast ratio & high aperture structure -. High speed response -. WQXGA (2560 x 1600 pixels) resolution -.
  • Page 36: Specifications

    2 Product Specifications 2-3 Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 30-Inch viewable, 0.2505 (H) x 0.2505 (V) mm pixel pitch Scanning Frequency Horizontal : 98.7kHz Vertical : 60Hz Display Colors 16.7 Million colors Maximum Resolution Horizontal : 2560 Pixels Vertical : 1600 Pixels...
  • Page 37: Spec Comparison To The Old Models

    2 Product Specifications 2-4 Spec Comparison to the Old Models LS17VDP(770P) Model LHU30BS(305T PLUS) LS19VDP(970P) Design 6ms (Gray to Gray) 8ms (Gray to Gray) Repones Time The IC for the enhancement of the response time is applied. The IC for the enhancement of the response time is applied. Magic pivot AUTO(Pivot program + Sensor IC) Magic color...
  • Page 38: Option Specification

    2 Product Specifications 2-5 Option Specification Item Item Name CODE.NO Remark Quick Setup Guide BN68-00847B Warranty Card BH75-00146B (Not available in all locations) User's manual, BN59-00565A Monitor Driver Power Cord 3903-000082 DVI Cable BN39-00754A Downloaded from www.Manualslib.com manuals search engine...
  • Page 39: Reference Infomation

    14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms -TFT-LCD -Image Lock This means "Fineness adjustment " in LCD (Thin film Transistor Liquid Crystal Display) ADC(Analog to Digital Converter) Monitor, the features are "Fine" and "Coarse" This is a circuit that converts from analog signal to digital signals.
  • Page 40 14 Reference Infomation -Dot Pitch The image on a monitor is composed of red, green and blue dots. The closer the dots, the higher the resolution. The distance between two dots of the same color is called the 'Dot Pitch'. Unit: mm -Vertical Frequency The screen must be redrawn several times per second in order to create and display an image for...
  • Page 41: Connecting Your Monitor

    14 Reference Infomation 14-2 Connecting Your Monitor 1. Connect the power cord for your monitor to the POWER port on the back of the monitor. Plug the power cord for the monitor into a nearby outlet. 2. Using the DVI-D (Digital) connector on the video card. Connect the DVI-D cable to the DVI-D port on the back of your monitor.
  • Page 42: Pin Assignments

    14 Reference Infomation 14-3 Pin Assignments Sync 24P DVI-D Type Pin No. Rx2- Data Rx3+ Rx2+ +5V_M +5V_M GND Hot plug D Data Rx4- Data Rx4+ Rx0- DDC Clock (SCL) Rx0+ DDC Data (SDA) Data Rx5- Data Rx5+ Rx1- Rx1+ RxC+ Data Rx3- RxC-...
  • Page 43: Timing Chart

    14 Reference Infomation 14-4 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer- generated video signals. Table 2-1 Timing Chart VESA-Reduced Blanking Mode 1280/60Hz 2560/60Hz 1280X800 2560X1600 Timing 49.306 98.713 fH (kHz) 20.282...
  • Page 44 14 Reference Infomation Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called Horizontal Cycle and the inverse number of the Horizontal Cycle is called Horizontal Frequency. Unit: kHz Vertical Frequency Like a fluorescent lamp, the screen has to repeat the same image many times per second to display an image to the user.
  • Page 45: Panel Description

    14 Reference Infomation 14-5 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LT140X1-002 BN07-00004A BN68-00239H LT150XS-L01 BN07-00009A LT150XS-L01-B BN07-00022A LTM150XS-L02 BN07-00005A LT181E2-132 BN07-00001A LT150XS-T01 BN07-00010A LTM181E3-132 BN07-00019A LT170E2-131 BN07-10001D LT181E2-131 BN07-10001E LTM170E4-L01 BN07-00018A LTM240W1-L01 BN07-00015A LTM213U3-L01 BN07-00016A LTM150XH-L01 BN07-00026A LTM150XH-L03 BN07-00027A LTM150XS-L01...
  • Page 46 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTM213U4-L01 BN07-00124A NARROW BEZEL 21 " PANEL LTM170E6-L04 BN07-00129A HIGHLAND 17" LOW PANEL (Panel only for TCO03) LTM190E1-L01 BN07-00088A LTM190E1-L01 ZPD panel M150X4-L06 BN07-00137A 15" Narrow & Slim panel LTA170V1 BN07-00139A 17"...
  • Page 47 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTA320W2-L11 BN07-00259A IP Board for AMLCD 32" 16:9 NEW Panel LTA460WS-L02 BN07-00252A AMLCD 46" 16:9 SPVA 72% NEW Panel LTA400WT-L01 BN07-00264A LTM240M2-L02 BN07-00267A All LCD Monitor 24" wide SPVA ZPD NEW code derivation LTM210M2-L02 BN07-00230A LTA320WT-L11...
  • Page 48 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks TORISAN TM290WX-71N31 BN07-00063A RS24NS (TORISAN 29" NEW PANEL) TORISAN TM396WX-71N31 BN07-00064A RS24NS (TORISAN 40" NEW PANEL) TORISAN TM150XG-26L09 BN07-00073A Panel for 15" TV TORISAN TM150XG-26L10 BN07-00089A L10(change except D/IC) ZPD TORISAN TM150XG-26L10 BN07-00090A...
  • Page 49 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks ACER M170EG01 BN07-00192B AU TN PSWG type New Panel ZPD Derivation code ACER M190EN04 BN07-00203A AU Monitor 19" ZPD New code Derivation ACER T260XW02 BN07-00208A AUO 26" ACER M170EG01 V8 BN07-00221A AU TN PSWG type New Panel (8msec) ZPD Derivation code ACER...
  • Page 50 14 Reference Infomation Memo 14-12 Downloaded from www.Manualslib.com manuals search engine...
  • Page 51: Troubleshooting

    4 Troubleshooting 4 Troubleshooting Notes: 1. Before troubleshooting, setup the PC ’ s display as below. • Resolution: 2560 x 1600 • H-frequency: 98.7 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3.
  • Page 52 4 Troubleshooting WAVEFORMS Downloaded from www.Manualslib.com manuals search engine...
  • Page 53 4 Troubleshooting 4-2 No Power (Main) Check Function ass'y. Does proper DC 6V Check the FP801S at SMPS board appear at Pin 1 of and related circuit CN601? When Pin 1 of IC601 is DC 6V Check IC601 and related circuit. does proper DC 3.3V appear at Pin 3 of IC601? Check X200, IC200 and related...
  • Page 54: No Video (Digital)

    4 Troubleshooting 4-3 No Video (DIGITAL) Check signal cable connection and power. Replace or check related circuit. X200 oscillate properly? Is there input data at Check input part. R122, R124, R127, R128, R129 and R130? Is there wave from Does the output signal appear Check LCD Panel and related circuit.
  • Page 55 4 Troubleshooting WAVEFORMS Downloaded from www.Manualslib.com manuals search engine...
  • Page 56 4 Troubleshooting Memo Downloaded from www.Manualslib.com manuals search engine...
  • Page 57 8 Wiring Diagram 8 Wiring Diagram 8 Wiring Diagram 8-1 Wiring Diagram (Main PCB) Downloaded from www.Manualslib.com manuals search engine...
  • Page 58 8 Wiring Diagram 8-2 Wiring Diagram (SMPS PCB) Downloaded from www.Manualslib.com manuals search engine...
  • Page 59: Schematic Diagrams

    11 Schematic Diagrams 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-1 Schematic Diagrams Downloaded from www.Manualslib.com manuals search engine...
  • Page 60 11 Schematic Diagrams 9-2 Connection Diagrams Downloaded from www.Manualslib.com manuals search engine...
  • Page 61 11 Schematic Diagrams 9-3 Micom Diagrams Downloaded from www.Manualslib.com manuals search engine...
  • Page 62 11 Schematic Diagrams 9-4 Power inverter Schematic Diagrams Downloaded from www.Manualslib.com manuals search engine...
  • Page 63 11 Schematic Diagrams WAVEFORMS Downloaded from www.Manualslib.com manuals search engine...
  • Page 64 11 Schematic Diagrams 9-5 SMPS Schematic Diagrams Downloaded from www.Manualslib.com manuals search engine...
  • Page 65 11 Schematic Diagrams 9-6 SMPS Schematic Diagrams Downloaded from www.Manualslib.com manuals search engine...
  • Page 66 11 Schematic Diagrams WAVEFORMS Downloaded from www.Manualslib.com manuals search engine...

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