Service manual

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SERVICE

Manual

LCD Monitor

Fashion Feature

LCD-Monitor

Chassis LHU30BS

Model 305TPLUS

- 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

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Summary of content (66 pages)

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LCD-Monitor Chassis Model SERVICE LCD Monitor LHU30BS 305TPLUS 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 Downloaded from www.Manualslib.
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-This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Downloaded from www.Manualslib.com manuals search engine Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Gyeonggi-Do, Korea, 443-742 Printed in Korea P/N : BN82-00169A-01 URL : http://itself.sec.samsung.co.
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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. MTI-2055 DDC MANAGER JIG 3-2 DDC EDID Data Input 1. Input DDC EDID data when replacing AD PCB. 2.
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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 3-2 Downloaded from www.Manualslib.
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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. 4. Confirm the "DDC OK".
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3 Alignments and Adjustments Memo 3-4 Downloaded from www.Manualslib.
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Block Diagrams 7 Block Diagram 7-1 Block Diagram (Main) 7-1 Downloaded from www.Manualslib.
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7 Block Diagrams 7-2 Block Diagram (SMPS) 7-2 Downloaded from www.Manualslib.
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13 Circuit Descriptions 13 Circuit Descriptions 13-1 BLOCK discription (MAIN) 13-1 Downloaded from www.Manualslib.
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13 Circuit Descriptions No BLOCK 1 MICOM 2 USB 3 DC/DC 4 DVI-D INPUT 5 DESCRIPTION NAME IC-MICROCONTROLLER,PLCC,44P,16Bit WT61P4 IC-USC, USB2504,8Bit,TQFP,64P USB2504 FET-SILICON, SI4435DY,P,-30V,+-8.0A, 0.014ohm,2.
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13 Circuit Descriptions 13-2 BLOCK discription (SMPS) 13-3 Downloaded from www.Manualslib.
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13 Circuit Descriptions No BLOCK 1 EMI Filter 2 Inrush current 3 PFC section 4 DESCRIPTION NAME Coil Line filter LX801s For continued protection FP801S Power Factor Correction (PFC) allows power distribution to operate at its maximum efficiency PFC Circuit M-power Multiple-chip power Device F9222L 5 STD 6V Standby power is the power consumed by an appliance during the lowest possible electricity consuming mode Standby power 6 Rectifier & Filtering Rectification is the conversion o
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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. Disconnect the monitor from the power source before disassembly. Description Picture Description 1. Place monitor face down on cushioned table. Remove 4 screws and lift up the Stand ass'y 2.
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11 Disassembly and Reassembly 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 www.Manualslib.
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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.
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11 Disassembly and Reassembly 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.
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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 LS30HUXCB/XSF 305TPLUS,WQA1/S30A0-LHU,30,LCD-MO,CHINA Q'ty SA/SNA 0.1 M0001 BN90-01014G ASSY COVER FRONT;LS30HUX_305T PLUS 1 ..2 T0003 BN96-03652F ASSY COVER P-FRONT;LS30HUX(305T PLUS),,H 1 S.N.A S.A ...
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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 1 S.A ...3 T0174 BN97-01026Z ASSY SMD;LS30HUB* 1 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 1 S.A ....4 D101 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO 1 S.A ....
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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 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....
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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 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....
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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 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....
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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 1 S.A ....4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 1 S.A ....4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 1 S.A ....4 C120 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 1 S.A ....4 C120 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 1 S.A ....
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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 1 S.A ....4 C611 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 1 S.A ....4 C614 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 1 S.A ....4 C605 2402-001128 C-AL,SMD;100##F,20%,16V,-,TP,6.3X5.7mm 1 S.A ....4 C120 2402-001254 C-AL,SMD;10uF,20%,50V,WT,TP,6.3x5.2mm 1 S.A ....
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6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..2 M2893 BN39-00482B LEAD CONNECTOR;HUBBLE,UL2835#28,UL/CSA,1 1 ..2 T0297 BN39-00753A CABLE FORM CONN.COAX-TMDS HARN;HUBBLE,UL 1 S.A ..2 T0159 BN96-03938A ASSY PCB P-SMPS;FreeVoltage SMPS,Hubble3 1 S.A ..2 MP1.0 BN96-04386A ASSY BRACKET P-GUIDE POWER;-,HUBBLE30",- 1 S.N.A ...3 T0514 BN61-02582A BRACKET-SUPPORT;HUBBLE,SPTE,0.3 1 S.N.A ...
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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 5-1 Downloaded from www.Manualslib.
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5 Exploded View & Parts List 5-1-1. LS30HUXCB/XSF Parts List Location Code.No Item & Specification Q'ty SA/SNA T0003 BN96-03652F ASSY COVER P-FRONT;LS30HUX(305T PLUS),,H 1 S.A M0215 BN07-00470A LCD-PANEL;LTM300M1-P02,Hubble,8BIT,677.3 1 S.A M0145 BN96-04050A ASSY BOARD P-FUNCTION;HUBBLE,SJ06-01-013 1 S.A M0014 BN94-01009S ASSY PCB MAIN-SPZ,W/W;LS30HUB* 1 S.A M0006 BN96-03656A ASSY SHIELD P-COVER;HUBBLE,SECC,T0.8 1 S.N.A T0514 BN61-02582A BRACKET-SUPPORT;HUBBLE,SPTE,0.
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10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Product Features 0o(Standard) Swivle - Improved Response Time by Adopting RTA : 6 ms (Based on "Gray to Gray") - High contrast ratio & high aperture structure - High speed response - WQXGA (2560 x 1600 pixels) resolution - S-PVA (Super Patterned Vertical Alignment) mode - Direct BLU Structure (Cold Cathod Fluorescent Tube) Tilt - Sync & DE(Data Enable) mode - Dual Link TMDS serial interface (4pixel/clock) - RoHS
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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. USB UPSTREAM : nnect the USB UP port of the monitor and the USB port of the computer with the USB cable. DVI IN Connect the DVI-D (Dual link) Cable to the DVI IN port on the back of your monitor. 1. ON [ | ] / OFF [O] Switch the monitor on and off.
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12 PCB Layout 12 PCB Diagram 12-1 PCB Diagram (Main) 12-1 Downloaded from www.Manualslib.
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12 PCB Layout 12-2 PCB Diagram (SMPS) 12-2 Downloaded from www.Manualslib.
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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 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.
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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. 1-2-1 General Servicing Precautions 1. 2. 3.
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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. 6. Keep the antenna far away from any high-voltage cables and install it firmly.
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1 Precautions Memo 1-4 Downloaded from www.Manualslib.
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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 -. S-PVA (Super Patterned Vertical Alignment) mode -. Direct BLU Structure (Cold Cathod Fluorescent Tube) -. Sync & DE(Data Enable) mode -. Dual Link TMDS serial interface (4pixel/clock) -. RoHS compliance -.
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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 ± Input Video Signal Input Sync Signal Type : Seperate H/V sync Maximum Pixel Clock rate 268.5 MHz Active Display Horizontal/Vertical 641.
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2 Product Specifications 2-4 Spec Comparison to the Old Models LHU30BS(305T PLUS) LS17VDP(770P) LS19VDP(970P) Repones Time 6ms (Gray to Gray) The IC for the enhancement of the response time is applied. 8ms (Gray to Gray) The IC for the enhancement of the response time is applied. Magic pivot X AUTO(Pivot program + Sensor IC) X Ver 3.6 Applied Model Design Magic color Magic zone Magic tune Main PBA SMPS PBA 2-3 Downloaded from www.Manualslib.
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2 Product Specifications 2-5 Option Specification Item Item Name CODE.NO Quick Setup Guide BN68-00847B Warranty Card (Not available in all locations) 2-4 Downloaded from www.Manualslib.
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14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms -TFT-LCD (Thin film Transistor Liquid Crystal Display) ADC(Analog to Digital Converter) This is a circuit that converts from analog signal to digital signals. -Image Lock This means "Fineness adjustment " in LCD Monitor, the features are "Fine" and "Coarse" -FINE "Fine" adjustment is used to adjust visibility by -PLL(Phase Locked Loop) During progressing ADC, Device makes clock syn- control phase difference.
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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 the user. The frequency of this repetition per second is called Vertical Frequency or Refresh Rate.
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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. 3. Turn on your computer and monitor. If your monitor displays an image, installation is complete. 14-3 Downloaded from www.Manualslib.
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14 Reference Infomation 14-3 Pin Assignments Sync Type Pin No. 24P DVI-D 1 Rx2- 13 Data Rx3+ 2 Rx2+ 14 +5V_M 3 GND 15 +5V_M GND 4 Data Rx4- 16 Hot plug D 5 Data Rx4+ 17 Rx0- 6 DDC Clock (SCL) 18 Rx0+ 7 DDC Data (SDA) 19 GND 8 NC 20 Data Rx5- 9 Rx1- 21 Data Rx5+ 10 Rx1+ 22 GND 11 NC 23 RxC+ 12 Data Rx3- 24 RxC- 14-4 Downloaded from www.Manualslib.
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14 Reference Infomation 14-4 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computergenerated video signals. Table 2-1 Timing Chart VESA-Reduced Blanking Mode 1280/60Hz 1280X800 2560/60Hz 2560X1600 fH (kHz) 49.306 98.713 A μsec 20.282 10.13 B μsec 0.451 0.119 C μsec 1.127 0.298 D μsec 18.028 9.534 E μsec 0.676 0.179 fV (Hz) 59.91 59.972 O msec 16.692 16.675 P msec 0.122 0.061 Q msec 0.284 0.
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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. The frequency of this repetition is called Vertical Frequency or Refresh Rate. Unit: Hz 14-6 Downloaded from www.
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14 Reference Infomation 14-5 Panel Description Maker SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC for TV SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC VENDOR P/N PANEL_CODE PANEL_ABB LT140X1-002 LT150XS-L01 LT150XS-L01-B LTM150XS-L02 LT181E2-132 LT150XS-T01 LTM181E3-132 LT170E2-131 LT181E2-131 LTM170E4-L01 LTM240W1-L01 LTM213U3-L01 LTM150XH-L01 LTM150XH-L
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14 Reference Infomation Maker SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC VENDOR P/N PANEL_CODE LTM213U4-L01 LTM170E6-L04 LTM190E1-L01 M150X4-L06 LTA170V1 LTM190E1-L02 LTM170EX-L01 LTM170E8-L01 LTM170E6-L04 LTA320W1-L02 LTM190E1-L03 LTM240W1-L03 LTM190E1-L02 LTM190E4-L01 LTM170E8-L01 LTM170EX-L01 LTM190E1-L
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14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC SEC LTA320W2-L11 LTA460WS-L02 LTA400WT-L01 LTM240M2-L02 LTM210M2-L02 LTA320WT-L11 LTM190EX-L21-G LTA320WT-L14 LTM190M2-L01-D016 LTM190EX-L31 LTM190M2-L02 LTA400WS-L01 LTA460WS-L01 LTM190E4-L31 LTM170EX-L31 LTA460HS-LH1 LTA320WT-LF1 LTA460WT-L02 LTA400WH-LH1 LTM240M1-L02-D015 LTM300M1-P01 BN07-00259A BN07-00252A BN07-00264A BN07-00267A BN07
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14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TORISAN TM290WX-71N31 TM396WX-71N31 TM150XG-26L09 TM150XG-26L10 TM150XG-26L10 TM190SX-70N01 TM181SX-76N01 TM190SX-70N01 TM290WX-71N31 TM396WX-71N31 TM22OWX-71N31 TM22OWX-71N31 TM396WX-71N32A TM190SX-70N02 TM190SX-70N02 TM150XG-A01 TM150XG-A01 BN07-00063A BN07-00064A BN07-00073A BN07-00089A BN
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14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks ACER ACER ACER ACER ACER ACER ACER ACER ve ACER grade * Panel ACER ACER ACER ACER ACER T315XW01 ACER ACER ACER ACER ACER M170EG01 M190EN04 T260XW02 M170EG01 V8 T260XW02 T315XW01 M190EN03 T315XW01 BN07-00192B BN07-00203A BN07-00208A BN07-00221A BN07-00233A BN07-00234A BN07-00224A BN07-00237A ATZ ATH AMZ ATZ AMZ AMZ AMZ AMZ AU TN PSWG type New Panel ZPD Derivation code AU Monitor 19" ZPD New code Derivation AUO 26" AU
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14 Reference Infomation Memo 14-12 Downloaded from www.Manualslib.
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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. Check the following circuits.
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4 Troubleshooting WAVEFORMS 1 2 3 4 4-2 Downloaded from www.Manualslib.
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4 Troubleshooting 4-2 No Power (Main) Check Function ass'y. Does proper DC 6V appear at Pin 1 of CN601? No Check the FP801S at SMPS board and related circuit Yes When Pin 1 of IC601 is DC 6V does proper DC 3.3V appear at Pin 3 of IC601? No Check IC601 and related circuit. Yes X-200 oscillate Properly? (Where pin 9 of IC200) No Check X200, IC200 and related circuit. Yes Dose proper DC3.3V appear at pin 34 of IC200 No Check IC200 and related circuit.
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4 Troubleshooting 4-3 No Video (DIGITAL) Check signal cable connection and power. 1 X200 oscillate properly? No Replace or check related circuit. Yes Is there input data at 8 9 No Check input part. R122, R124, R127, R128, R129 and R130? Yes Is there wave from 3 4 Does the output signal appear at Pin 2, 3 of CN401? No Check LCD Panel and related circuit. Yes Is there wave form 7 at pin 13 of CN401? Yes Replace LCD Panel. 4-4 Downloaded from www.Manualslib.
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4 Troubleshooting WAVEFORMS 1 2 3 4 5 6 7 8 9 10 4-5 Downloaded from www.Manualslib.
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4 Troubleshooting Memo 4-6 Downloaded from www.Manualslib.
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8 Wiring Diagram 8 Wiring Diagram 8 Wiring Diagram 8-1 Wiring Diagram (Main PCB) 8-1 Downloaded from www.Manualslib.
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8 Wiring Diagram 8-2 Wiring Diagram (SMPS PCB) 8-2 Downloaded from www.Manualslib.
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11 Schematic Diagrams 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-1 Schematic Diagrams 9-1 Downloaded from www.Manualslib.
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11 Schematic Diagrams 9-2 Connection Diagrams 9-2 Downloaded from www.Manualslib.
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11 Schematic Diagrams 9-3 Micom Diagrams 9-3 Downloaded from www.Manualslib.
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11 Schematic Diagrams 9-4 Power inverter Schematic Diagrams 9-4 Downloaded from www.Manualslib.
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11 Schematic Diagrams WAVEFORMS 1 3 5 7 9 2 4 6 8 10 9-5 Downloaded from www.Manualslib.
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11 Schematic Diagrams 9-5 SMPS Schematic Diagrams 9-6 Downloaded from www.Manualslib.
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11 Schematic Diagrams 9-6 SMPS Schematic Diagrams 9-7 Downloaded from www.Manualslib.
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11 Schematic Diagrams WAVEFORMS 1 2 9-8 Downloaded from www.Manualslib.