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LCD-TV GMO40KU Chassis GMO46KU LN-S4092D Model LN-S4692D SERVICE Manual TFT-LCD TV Fashion Feature - RF, DVI-D, PC(Analog), Component, Video, S-Video - Brightness : 500cd/㎡ - Respense time : 16ms - Dynamic contrast - PIP (on PC only)
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Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, -This Service Manual is a property of Samsung Gyeonggi-Do, Korea, 443-742 Electronics Co., Ltd. Printed in Korea Any unauthorized use of Manual can be punished P/N : BN82-00146A-00 under applicable International and/or domestic law.
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.
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 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 highvoltage cable or the antenna falling over may 2.
3 Alignments and Adjustments 3 Alignments and Adjustments 3-1 General Alignment Instuction 1. Usually, a color LCD-TV needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. 2. Use the specified test equipment or its equivalent. 3.
3 Alignments and Adjustments 3-2 Factory Mode Adjustments 3-2-1 Entering Factory Mode To enter 'Service Mode' Press the remote -control keys in this sequence : - If you do not have Factory remote - control Power OFF MUTE Power On 3-2-2 How to Access Service Mode ¡áUsing the Customer Remote 1.Turn the power off and set to stand-by mode...
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3 Alignments and Adjustments A G C _REF[A I R] 0x50 PA C K ET _ERR_T H R AV/S-VIDEO C R_F_G A I N [A I R] 0xD 0B Calibration Checksum C R_L_G A I N [A I R] 0x24 Option Byte KS1406 EQ _ST EP[A I R]...
3 Alignments and Adjustments 3-3 White Balance - Calibration 3-3-1 White Balance -Calibration 1. Calibration DTV Calibration PC Calibration (Calibration Condition refer to next page) 3-3-2 White Balance - Adjustment (low light) (hight light) 3. W/B Sub Bright Sub Contrast R offset R gain G offset...
3 Alignments and Adjustments 3-4 White Ratio (Balance) Adjustment 1. You can adjust the white ratio in factory mode (1:Calibration, 3:White-Balance). 2. Since the adjustment value and the data value vary depending on the input source, you have to adjust these in CVBS, Component 1 and HDMI 1 modes. 3.
4 Troubleshooting 4 Troubleshooting 4-1 No Power LAMP Off, power indicator LED Check a connection power cable. red color ? P/N: BN39-00691B Does proper Stand-By DC A6.2V Change the Main Power Ass'y appear at C156 ? 26": BN96-03060A 32": BN96-03057A 40": BN44-00134A Does proper Main DC B12V,B5V,B12VS appear at...
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R1034~7, R1039? Change a main PCB ass'y Does the digital data Check IC1002 appear at output of Change a main PCB ass'y R1010~5, R1024~7? Check a LVDS cable? Please, Call to Samsung Co. LTD Replace a LCD panel?
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Change a main PCB ass'y 7, R1039 ? Does the digital data Check IC1002 appear at output of R1010- Change a main PCB ass'y 5, R1024-7 ? Check a LVDS cable ? Please, Call to Samsung Co. LTD. Replace a LCD panel ?
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Change a main PCB ass'y R1034-7, R1039 ? Does the digital data Check IC1002 appear at output of R1010- Change a main PCB ass'y 5, R1024-7 ? Check a LVDS cable ? Please, Call to Samsung Co. LTD. Replace a LCD panel ?
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Change a main PCB ass'y R1039 ? Does the digital data appear Check IC1002 at output of R1010-5, Change a main PCB ass'y R1024-7 ? Check a LVDS cable ? Please, Call to Samsung Co. LTD. Replace a LCD panel ?
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Change a main PCB ass'y R1039 ? Does the digital data appear Check IC1002 at output of R1010-5, Change a main PCB ass'y R1024-7 ? Check a LVDS cable ? Please, Call to Samsung Co. LTD. Replace a LCD panel ? 4-10...
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Change a main PCB ass'y R1034-7, R1039 ? Does the digital data Check IC1002 appear at output of Change a main PCB ass'y R1010-5, R1024-7 ? Check a LVDS cable ? Please, Call to Samsung Co. LTD. Replace a LCD panel ? 4-11...
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Change a main PCB ass'y R1034-7, R1039 ? Does the digital data Check IC1002 appear at output of Change a main PCB ass'y R1010-5, R1024-7 ? Check a LVDS cable ? Please, Call to Samsung Co. LTD. Replace a LCD panel ? 4-13...
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Does the digital data appear at Check IC302 #60-3(Mclk,Sclk,LRclk,data) Change a main PCB ass'y of IC302 ? Does the signal appear at Check IC401 L405-8 (L/R output) ? Change a main PCB ass'y Replace the speaker ass'y ? Please, Call to Samsung Co. LTD. 4-15...
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5 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 LN-S4092D Exploded View T0279 M0452 T0603 M0014 M0013 M0146 T0120 T0175 M0146...
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 LNS4092D Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LNS4092DX/XAA LN-S4092D,E71U/40M50-GMO,40,LCD-TV,UNITE M0001 BN90-00944A ASSY COVER FRONT;40M50,UO,MILANO-3...
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9 Schematic Diagrams 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-1 Power Schematic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-2 Stand by Micom Schematic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-3 STV8257 Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-4 STA323W Schematic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-5 TUNER_SPLITTER Schmetic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-6 AV_IN_OUT_1 Schmetic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-7 AV_IN_OUT_2 Schmetic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-8 PC_HDMI_INPUT Schmetic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-9 SVP_PX Schmetic Diagram...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-10 LBE Schmetic Diagram 9-10...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-11 SVP_PX_POWER Schmetic Diagram 9-11...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-12 SVP_PX_DDR Schmetic Diagram 9-12...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-13 LAKE_I2C_GPIO_USB_UART_ETC Schmetic Diagram 9-13...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-14 LAKE_I2SINOUT_YCbCr_OUT Schmetic Diagram 9-14...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-15 LAKE_DDR Schmetic Diagram 9-15...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-16 LAKE_FLASH_DEBUG Schmetic Diagram 9-16...
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9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-17 LAKE_POWER Schmetic Diagram 9-17...
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10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Front - The product color and shape may vary depending on the model. 1. SOURCE 5. SPEAKERS Toggles between all the available input sources (TV, AV1, AV2, S-Video1, S-Video2, Component, PC, 6.
10 Operating Instructions and Installation 10-2 Connection Panel 1. AV IN 1 8. COMPONENT IN Video and audio inputs for external devices, such as Connect component video/audio. a camcorder or VCR. S-VIDEO IN 1 9. KENSINGTON LOCK Connect an S-Video signal from a camcorder or VCR. The Kensington lock (optional) is a device used to physically fix the system when used in a public 2.
10 Operating Instructions and Installation 10-2-1 Side Panel Jacks - Use the left side panel jacks to connect a component that is used only occasionally, such as a camcorder or video game. 1. AV IN 2 Video and audio inputs for external devices. S-VIDEO IN 2 Video inputs for external devices with an S-Video output.
10 Operating Instructions and Installation 10-3 Remote Control - This is a special remote control for the visually impaired, and has Braille points on the Power, Channel and Volume buttons. 10-4...
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10 Operating Instructions and Installation 10-5...
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10 Operating Instructions and Installation Memo 10-6...
11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the TFT-LCD TV. WARNING : This monitor contains electrostatically sensitive devices. Use caution when handling these components. 11-1 Disassembly Cautions : 1.
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11 Disassembly and Reassembly 설 설 명 사 사 진 설명 Description Picture Description 2. Remove Screws form the Jack cover and Disconnect cables. 3. Remove shield and Remove Screws and cable from the boards. 11-2...
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11 Disassembly and Reassembly Description Picture Description 11-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-3...
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11 Disassembly and Reassembly Memo 11-4...
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12 PCB Diagram 12 PCB Diagram 12-1 Main PCB Diagram CN1003 LVDS Connector IC1003 CN1001 PWM Dimming connector IC1301 Lake(DTV) CN102 Main Power connector IC901 SVPP-PX IC401 IC201 Sound Micom IC302 Sound CN401/CN402 CN701 Speaker Connector Side AV Connector CN702 Function Connector 12-1...
14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms - TFT-LCD - Auto Configuration(Auto adjustment) (Thin film Transistor Liquid Crystal Display) This is an algorithm to adjust monitor to optimum ADC(Analog to Digital Converter) condition by pushing one key. This is a circuit that converts from analog signal to digital signals.
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14 Reference Infomation - DDC(Display data channel) - Plug & Play It is a communication method between Host This is a function that provides the best quality Computer and related equipment. screen for the user by allowing the computer and It can make it Plug and Play between PC and the monitor to exchange information automatically.
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- Channel Fine Tuning This feature allows the viewer to fine-tune the TV channel to obtain the best viewing conditions. The Samsung LCD TV has both automatic and manual channel fine-tuning features to enable the viewer to adjust their desired settings.
14 Reference Infomation 14-2-2 Component 1, 2 14-2-3 S-Video Separate RCA Green Pb (Cb) RCA Blue Pr (Cr) RCA Red Audio L 14-2-5 D-SUB RCA White Separate Audio R RCA Red Green Blue 14-2-4 A/V 1,2 GND Red GND Green GND Blue RCA Yellow CVBS...
14 Reference Infomation 14-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer- generated video signals. 14-3-1 LCD Panel Mode1 mode 14-6...
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