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TFT-LCD TV Chassis Model GML26KE LE26M51B GML32KE LE32M51B LE32M61B GML40KE LE40M51B LE40M61B GML46KE LE46M51B SERVICE Manual TFT-LCD TV Fashion Feature - Luxurious Slim Design - Supreme Picture Quality - Supreme Sound Quality - Supreme Convenience Quality - Convenience for Users...
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Samsung Electronics Co.,Ltd. - This Service Manual is a property of 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Samsung Electronics Co., Ltd. Gyeonggi-Do, Korea, 443-742 Any unauthorized use of Manual can be Printed in Korea punished under applicable International P/N : BN82-00128M-00 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 high- voltage cable or the antenna falling over may 2.
SRS TruSurround XT -SRS TruSurround XT provides a virtual Dolby surround system. Convenience -The TV utilizes the HDMI system to implement perfect digital sound and picture quality. The Anynet system enables you to easily control Samsung audio-video (AV) devices from this TV.
3 Alignments and Adjustments 3 Alignments and Adjustments 3-1 Service Instruction 1. Usually, a color TV-VCR 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 How to Access Service Mode 3-2-1 Entering Factory Mode " " I N FO MENU MU TE - If you have Factory remote - control - The buttons are active in the service mode. 1. Remote - Control Key : Power, Arrow Up, Arrow Down, Arrow Left Arrow Right, Menu, Enter, Number Key(0~9) 2.
3 Alignments and Adjustments 3-4 Service Adjustment 3-4-1 White Balance - Calibration If picture color is wrong, do calibration first. Equipment : CA210, Patten : 16 gray Execute calibration in Factory Mode Source AV : PAL composite, Component : 1280*720/60Hz PC : 1024*768/60Hz 3-4-2 White Balance - Adjustment If picture color is wrong, check White Balance condition.
* Pattern NO 36 : 16 Color Pattern NO 16 : Toshiba ABL Pattern 2. Optical measuring device : CA210 (FL) Please use the MSPG-925 LTH generator for model LE26M51B/LE32M51B/LE40M51B/LE46M51B. 3-4-4 Method of Adjustment 1. Adjust the basic level of DTV and PC input signals.
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3 Alignments and Adjustments c) Adjust the low light. (Refer to table 1, 2 in adjustment position by mode) - Adjust sub - Brightness to set the 'Y' value. - Adjust red offset ('x') and blue offset ('y') to the color coordinates. * Do not adjust green offset data.
3 Alignments and Adjustments 3-5 Software Upgrade 3-5-1 How to Update Flash ROM 1. Installthe Flash Downloader ConnectSet(Service Jack)and Jig Cable to execute Program Update. 2. Flash Downloader program update -Before Turning on the set,Click "connect"which is under of OSD Screen! -Turn on the Set.
4 Troubleshooting 4 Troubleshooting 4-1 First Checklist for Troubleshooting 1. Check the various cable connections first. - Check to see if there is a burnt or damaged cable. - Check to see if there is a disconnected cable connection or a connection is too loose. - Check to see if the cables are connected according to the connection diagram.
4 Troubleshooting 4-2 Checkpoints by Error Mode 4-2-1 No Power LAMP off, power indicator Check a connection a power cable. LED red color? Does proper DC 12V Change a Assy PCB Power. appear at C801, C807? Does proper DC A3.3V, Check a IC812, IC801.
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Change a main PCB ass'y. DIN(0:23)of IC312? Does the digital data appear at Check a IC201. output of Change a main PCB ass'y. LVDS TX(FT250~253)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace a lcd panel?
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4 Troubleshooting WAVEFORMS R,G,B Output Signal of IC906 R,G,B Output Signal of IC312 Digital Output Data of IC201...
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DIN(0:23), Change a main PCB ass’y. HDMI(Data, Clk +/-)? Does the digital data Check a IC201. appear at output of IC201 Change a main PCB ass'y. LVDS(FX250~253)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
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4 Troubleshooting Digital Output Data of IC201 Signal of HDMI(Data)
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Check a IC203. #13 of IC203? Change a main PCB ass'y. Does the digital data appear at Check a IC201. output of FT250~FT253 ? Change a main PCB ass'y. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
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4 Troubleshooting WAVEFORMS Digital Output Data of IC201 Tuner_CVBS Output Signal...
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Check a IC203. #13 of IC203? Change a main PCB ass'y. Does the digital data appear at Check a IC515. output of FT250~FT253? Change a main PCB ass'y. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
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4 Troubleshooting WAVEFORMS Digital Output Data of IC515 Tuner_CVBS Output Signal 4-10...
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Dose the signal appear at Check a connection harness. R722, R721 of IC201? Does the digital data appear at Check a IC201. Output of FT250~FT253? Change a main PCB ass'y. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel? 4-11...
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4 Troubleshooting WAVEFORMS Digital Output Data of IC201 Analog Signal(Y,C) to IC201 4-12...
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4 Troubleshooting 4-2-7 No Sound Connect a sound cable. Picture is display, no sound. control a volume. Does the signal appear at Pin 51, 50(CH1_L, R Sound) Check a connection harness and and Pin 57, 58 headphone jack. (CH2_L, R Sound) of IC610 (MSP4410K)? Check the DC 8V Check a IC813.
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4 Troubleshooting WAVEFORMS The Signal are Inputed to IC610 DC +8V Output WaveForm 4-14...
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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 LE26M51B M 0013 M 0113 M 0112 M 0014 M 0114 M 0006...
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/ Level Loc. No. Code No. Description & Specification SA/SNA LE40M61BX/XEC LE40M61B,Q72A/40M50-GMN,40,LCD-TV,SPAIN M0001 BN90-00763F ASSY COVER FRONT;40M50,EO,MILANO-2 S.N.A M0081 6003-001003 SCREW-TAPTITE;BH,+,B,M4,L12,ZPC(BLK),SWR...
10 Operating Installations and Installation 10 Operating Installations and Installation 10-1 Product Features 10-1-1 Front 1. SOURCE 6. POWER INDICATOR Displays a menu of all of the available input Blinks and turns off when the power is on and sources ( TV, Ext. 1, Ext. 2, AV, S-Video, lights up in stand-by mode.
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10 Operating Installations and Installation 10-1-2 Back(LE26M51B) 10-2...
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10 Operating Installations and Installation 1. Connecting an Aerial or Cable Television Network To view television channels correctly, a signal must be received by the set from one of the following sources: - An outdoor aerial - A cable television network - A satellite network 2.
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10 Operating Installations and Installation * You should use the DVI-to-HDMI cable or DVI-HDMI Adapter for the connection, and the "R - AUDIO - L" terminal on DVI for sound output. 7. Connecting Computer - Connect the D- Sub cable to "PC (PC IN)" on the rear of your set and the other end to the Video Card of your computer.
10 Operating Installations and Installation 10-2 Installation Notes and Precautions 10-2-1Installing the stand (LE26M51B, LE32M51B,LE32M61B) 1. Lower the TV set in the direction of the arrow and fix the stand. 2. Use the four screws to tightly fix the stand.
10 Operating Installations and Installation 10-2-2 Installing the Wall Mount Kit (LE26M5) Components (Sold separately) M4 X L20 Wall-Bracket Set-Bracket Screw: 8EA Wood Screw: 4EA Anchor: 4EA Installation Guide How to assemble the Wall Mount Bracket Mark the location on the wall where the hole will be drilled. Make over 35mm-depth-hole on the marked location using drill.
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10 Operating Installations and Installation 10-2-4 Installing the Wall Mount Kit(LE32M51B / LE32M61B / LE40M51B / LE40M61B/ LE46M51B) Components (Sold separately) M4 X L15 M4 X L20 Wall-Bracket Set-Bracket Screw: 8EA Wood Screw: 7EA Anchor: 7EA Screw: 3EA Installation Guide How to assemble the Wall Mount Bracket Mark the location on the wall where the hole will be drilled.
11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LE26M51B /LE32M51B / LE32M61B / LE40M51B / LE40M61B / LE46M51B LCD TV. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components.
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11 Disassembly and Reassembly 3. Remove screws from the Shield-cover and disconnect cables. 4. Remove screws from the boards and lift up the boards. 5. Remove 2 screws from the side-jack and remove screws from the BRKT. 11-2...
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5 Disassembly and Reassembly 6. Remove 4 screws from the side-BRKT. 11-2 Reassembly Reassembly procedures are in the reverse order of dissasembly procedures, place the lamp wire correctly in the locator groove so that the wire will not bind or interfere with rear cover. 11-3...
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11 Disassembly and Reassembly Memo 11-4...
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12 PCB Layout 12-2 Power board (LE46M5) CNI803 Pannel Control Connecter CNI802 Inverter Power Connecter CNI801 Inverter Power Connecter CNM801 Main Power Connecter CNB811 Sub Power Connecter PD811S AC Power Connecter 12-3...
14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms -Dot Pitch The image on a monitor is composed of red, green and blue dots. The closer the dots, the higher the res- olution. 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.
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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 Pin Assignments 14-2-1 HDMI Type A pin Singnal Name Wire TMDS Data2+ TMDS Signal wire TMDS Data2 Shield TMDS Shield TMDS Data2- TMDS Signal wire TMDS Data1+ TMDS Signal wire TMDS Data2 Shield TMDS Shield TMDS Data1- TMDS Signal wire TMDS Data0+ TMDS Signal wire...
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14 Reference Infomation 14-2-2 Component 1 14-2-4 S-Video Separate RCA Green Pb (Cb) RCA Blue Pr (Cr) RCA Red Audio L RCA White Audio R RCA Red 14-2-3 A/V RCA Yellow CVBS Audio L RCA White Audio R RCA Red 14-4...
14 Reference Infomation 14-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for com- puter-generated video signals. 14-3-1 LCD Panel Mode1 14-5...
14 Reference Infomation 14-4 Display Mode Both screen position and size will vary depending on the type of PC monitor and its resolution. The table below shows all of the display modes that are supported: Horizontal Vertical Pixel Clock Sync Mode Resolution Frequency...