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TFT-LCD TV Chassis GBP23SEN GBP26SEN GBP32SEN GBP37SEN GBP40SEN Model LE23R86BD LE26R86BD LE32R86BD LE32R81BX LE37R86BD LE37R81BX LE40R86BD LE40R81BX 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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Copyright Trademarks ⓒ 2007 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. LE23R86BD/LE26R86BD/LE32R86BD/ This manual may not, in whole or in part, be copied, LE32R81BX/LE37R86BD/LE37R81BX/LE40R86BD/ photocopied, reproduced, translated, or converted to any...
4-2 Checkpoints by Error Mode ……………………………………………………………………………………………………………… 4-2 . Exploded View and Parts List …………………………………………………………………………………………………………………5 5-1 LE23R86BD Exploded View ………………………………………………………………………………………………………………5-1 5-2 LE23R86BD Parts list …………………………………………………………………………………………………………………… 5-2 5-3 LE26R88BD Exploded View …………………………………………………………………………………………………………… 5-3 5-4 LE26R88BD Parts list …………………………………………………………………………………………………………………… 5-4 5-5 LE32R86BD Exploded View …………………………………………………………………………………………………………… 5-5 5-6 LE32R86BD Parts list ……………………………………………………………………………………………………………………...
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Contents . Electrical Parts List ……………………………………………………………………………………………………………………………6 6-1 LE23R86BDX Parts List ………………………………………………………………………………………………………………… 6-1 6-2 LE26R88BDX Parts List ………………………………………………………………………………………………………………… 6-26 6-3 LE40R88BDX Parts List ………………………………………………………………………………………………………………… 6-50 . Block Diagram …………………………………………………………………………………………………………………………………7 8. W iring Diagram …………………………………………………………………………………………………………………………………8 8-1Wiring Diagram………………………………………………………………………………………………………………………………8-1 8-2 Main Board Layout ……………………………………………………………………………………………………………………… 8-2 8-3 PIN characteristic …………………………………………………………………………………………………………………………...
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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 : BN82-00183B-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.
PC, HDMI1, HDMI2, DTV). In the on-screen menu, you use the buttons on the remote control. use this button as you use the ENTER/OK button on the remote control. (LE23R86BD/LE26R86BD) C/P. Press to change channels. Toggles between all the available input sources In the on-screen menu, use the <...
10 Operating Instructions and Installation 10-2 LE23R86BD/LE26R86BD/LE32R86BD/LE37R86BD/LE40R86BD Viewing the Connection Panel Power Input - The product colour and shape may vary depending on the model. - Whenever you connect an external device to your TV, make sure that power on the unit is turned off.
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10 Operating Instructions and Installation HDMI IN 1,HDMI IN 2, HDMI IN 3(Only LE32R86BD/LE37R86BD/LE40R86BD) - Supports connections between HDMI-connection-enabled AV devices (Set-Top Boxes, DVD players, AV receivers and digital TVs). - No additional Audio connection is needed for an HDMI to HDMI connection. ▶...
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10 Operating Instructions and Installation 11. Connecting Component Devices (DTV/DVD) - Connect component video cables (optional) to component connector ("P ", "P ", "Y") on the rear of your set and the other ends to corresponding component video out connectors on the DTV or DVD. - If you wish to connect both the Set-Top Box and DTV (or DVD), you should connect the Set-Top Box to the DTV (or DVD) and connect the DTV (or DVD) to component connector ("P ", "P...
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10 Operating Instructions and Installation 10-3 LE32R81BX/LE37R81BX/LE40R81BX Viewing the Connection Panel Power Input - The product colour and shape may vary depending on the model. - Whenever you connect an external device to your TV, make sure that power on the unit is turned off. - When connecting an external device, match the colour of the connection terminal to the cable.
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10 Operating Instructions and Installation HDMI IN 1,HDMI IN 2, HDMI IN 3 - Supports connections between HDMI-connection-enabled AV devices (Set-Top Boxes, DVD players, AV receivers and digital TVs). - No additional Audio connection is needed for an HDMI to HDMI connection. ▶...
10 Operating Instructions and Installation 10-4 LE23R86BD/LE26R86BD Remote Control 1. Selects a target device to be controlled by the Samsung remote control (TV, DVD, STB, CABLE, VCR) 2. Television Standby button 3. Number buttons for direct channel access 4. One/Two-digit channel selection 5.
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10 Operating Instructions and Installation 10-5 LE32R86BD/LE37R86BD/LE40R86BD Remote Control 1. Selects a target device to be controlled by the Samsung remote control (TV, DVD, STB, CABLE, VCR) 2. Television Standby button 3. Number buttons for direct channel access 4. One/Two-digit channel selection 5.
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10 Operating Instructions and Installation 10-6 LE32R81BX/LE37R81BX/LE40R81BX Remote Control 1. Selects a target device to be controlled by the Samsung remote control (TV, DVD, STB, CABLE, VCR) 2. Television Standby button 3. Number buttons for direct channel access 4. One/Two-digit channel selection 5.
For detailed information on installing the wall mount, see the instructions provided with the Wall Mount items. Contact a technician for assistance when installing the wall mounted bracket. Samsung Electronics is not responsible for any damage to the product or injury to yourself or others if you elect to install the TV on your own.
11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the TFT-LCD 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. 2.
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11 Disassembly and Reassembly Description Picture Description 2. Lift up the rear cover and remove the stand. 3. Remove Screws from the stand BRKT and lift up the stand BRKT. 11-2...
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11 Disassembly and Reassembly Description Picture Description 4. Lift up the shield and disonnect cables from the boards. (only for CIS) 5. Remove screws from the boards and remove screw from theside connector. (only for CIS) 11-3...
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11 Disassembly and Reassembly Description Picture Description 6. Remove screws and lift up the BRKT 11-4...
13 Circuit Descriptions 13 Circuit Descriptions 13-1 Block description Signal Power IP Board RF IN Scart 1,2 S-Video Main Board Panel Component T-con Board HDMI 1, 2 Speaker IR/LED Bordeaux consists of three main blocks 1. Main board : Video signal processing 2.
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13 Circuit Descriptions Signal Power SMPS INVERTER RF IN Scart 1,2 S-Video Main Board Panel Component T-con Board HDMI 1, 2 Speaker IR/LED Bordeaux consists of three main blocks 1. Main board : Video signal processing 2. SMPS : Power supply 3.
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13 Circuit Descriptions 13-3 SMPS Board 13-3-1 23" Power Block Inverter Line Resonance SMPS Filter Switching Resonance Switching Output Rectifier Rectifier Part Part Transformer Part Rectifier Part Signal DC/DC 5.3V MC33167 Resonance AC Input Controller (90Vac~264Vac) Controler Signal MC33067 TDA4863 Sound Regulator On/Off...
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13 Circuit Descriptions Output Voltage Output Current Output Usage Remark Load Characteristics PCB Loc. Name Normal Regulation(%) Variable Range Min Typical Peak 23.52V ± 24.5V 0.1V 3.0V 4.0V Pulsating Main B'D Drive ~25.48V Drive, Logic, 5.13V ± 5.3V 5.3V 0.1V 3.0V 5.0V Constant...
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13 Circuit Descriptions 13-3-3 26", 32" Power Block Inverter Line Resonance SMPS Filter Switching Resonance Switching Output Rectifier Rectifier Part Part Transformer Part Rectifier Part DC/DC Signal SI-8008HFE 5.3V Resonance or AP1501A AC Input Controller (90Vac~264Vac) Controler Signal MC33067 TDA4863 Sound Regulator On/Off...
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13 Circuit Descriptions Output Voltage Output Current Output Usage Remark Load Characteristics PCB Loc. Name Normal Regulation(%) Variable Range Min Typical Peak 23.52V ± 24.5V 0.1V 3.0V 4.0V Pulsating Main B'D Drive ~25.48V Drive, Logic, 5.13V ± 5.3V 5.3V 0.1V 3.0V 5.0V Constant...
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13 Circuit Descriptions 13-3-5 37" Power Block Inverter Line Resonance SMPS Switching Filter Resonance Switching Rectifier Output Rectifier Part Part Transformer Part Rectifier Part DC/DC Signal MC33167 5.3V Resonance AC Input Controller (90Vac~264Vac) Controler DC/DC Signal F9222L TDA4863 LM2576 Sound Regulator On/Off KA278R12...
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13 Circuit Descriptions 13-3-7 40" SMPS Rectifier 13.5V / 1.0A AC Input Rectifier Regulator EMI Filter Transformer Control 264Vac 12.0V / 1.2A Rectifier 5.4V / 3.4A Control Control Switching Feed-back Protection Stand-by 5Vsb Transformer Rectifier On/Off 0.4A Control Feedback Protection PRIMARY SECONDARY 13-3-8 40"...
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 - T.M.D.S - Interlace and Non-Interlace Methods (Transition minimized Differential Signaling) Showing the horizontal lines of the screen from the a kind of transmission method for Digital. top to the bottom in order is called the Non- It can be used from Video card to Main PBA.
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Enables high picture quality and clear sound channel to obtain the best viewing conditions. The throughout the country regardless of the location of Samsung LCD TV has both automatic and manual the viewer. channel fine-tuning features to enable the viewer to adjust their desired settings.
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14 Reference Infomation 14-2-2 Component 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 GND Red GND Green GND Blue RCA Yellow CVBS DDC Input power(+5V) Audio L...
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14 Reference Infomation 14-2-7 Scart 1 Signal Signal Audio output R Audio input R Video GND (RGB red) Audio output L Audio common GND RGB red input Video GND (RGB blue) Fast Blanking signal (RGB switching) Audio input L Video output GND RGB blue input Video input GND Switching voltage...
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 14-7...
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 1. To enter "Service Mode" Press the remote -control keys in this sequence : - If you do not have Factory remote - control Power OFF MUTE MENU MUTE...
3 Alignments and Adjustments 3-3 Factory Data 1. Calibration 2. Service 3. White Balance 4. SVP-UX 5. Option Block 6. SGTV5810/NTP3000 7. YC Delay 8. Option Table 9. I2C Check 10. W/B MOVIE 11. Checksum 12. Reset 13. Spread Spectrum T-BDPMPEUD-xxxx (Main Micom Ver) T-BDPMPEUS-xxxx BORD2_CALLA_TR-xxxx (Sub Micom Ver)
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3 Alignments and Adjustments Range Item Hotel Option Hotel Mode ON/OFF Power On Channel 1~99 Power On Volume 1~100 Max Volume 1~100 Local Key Lock ON/OFF Power On Source RF/Ext.1... Shop Mode ON/OFF Color Space ON/OFF PC Ident ON/OFF Language English/German...
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 : chess pattern Execute calibration in Factory Mode Source AV : PAL composite, Component : 1280*720/60Hz PC : 1024*768/60Hz ( chess patten ) 3-4-2 White Balance - Adjustment...
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3 Alignments and Adjustments 3-4-3 Conditions for Measurement 1. On the basis of toshiba ABL pattern : High Light level (57 IRE) - INPUT SIGNAL GENERATOR : MSPG-925LTH * Mode 2 : 744X484@60 Hz 6 : 1280X720@60 Hz NO 21 : 1024X768@60 Hz * Pattern NO 36 : 16 Color Pattern NO 16 : Toshiba ABL Pattern 2.
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3 Alignments and Adjustments d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode) - Adjust red gain ('x') and blue gain ('y') to the color coordinates. * Do not adjust the green gain and sub-contrast (Y) data. Picture 4-3 Flat W/B Pattern High light Measurement point...
3 Alignments and Adjustments 3-5 Software Upgrade 3-5-1 How to Update Flash ROM 1. Install the 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 13V Change a Assy PCB Power. appear at JP845? Does proper DC A3.3V, Check a IC1112, Q1103. A5V appear at Change a main PCB ass'y.
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Change a main PCB ass'y. of IC2001? Does the digital data appear Check a IC2001 at the output of Change a main PCB ass'y. LVDS (RA2008~2013)? 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 IC2001...
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Check a a IC1405 R1333_UX~R1340_UX? Change a main PCB ass'y. Does the digital data Check a IC1405 appear at output of IC4001 Change a main PCB ass'y. LVDS(RA2008~2013)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel?
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4 Troubleshooting Digital Output Data of IC4001 Signal of HDMI(Data)
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Does the signal appear at Change a main PCB ass'y. C2085 of IC2001? Does the digital data appear at Check a IC4001. output of RA2008~2013? Change a main PCB ass'y. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
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Dose the signal appear at Check a connection harness. C2101 of IC2001? Does the signal appear at Check a IC 2001. Out of IC2001 Change a main PCB ass'y RA2008~RA2013? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel?
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4 Troubleshooting WAVEFORMS CVBS Output Signal 4-10...
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Check a connection harness. C2088, C2091 of IC2001? Does the digital data appear Check a IC 2001. at Output of IC 2001, Change a main PCB ass'y. RA2008~RA2013? 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 IC2001 Analog Signal(Y,C) to IC2001 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 Check a connection harness and Pin #10, #12, #13, #9 (I2S_CLK, headphone jack./Side AV I2S_SCLK, I2S_LRCLK, Check Sound Processor I2S_DATA) of IC1202? IC1202 (SGTV5810) Check the DC 12V...
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4 Troubleshooting WAVEFORMS The Signal are Inputed to IC1202 The Signal are Inputed to IC1203 4-14...
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 LE23R86BD Exploded View M0107 M0014 M0013 M0115 M0146 M0107 M0013 M0215 T0175...
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 LE23R86BDX Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LE23R86BDX/XEC LE23R86BD,N30A/23R80-GBP,23,LCD-TV,SPAIN M0001 BN90-01147B ASSY COVER FRONT;23R81,EO(IDTV),-,ABS+PM...
8 Wiring Diagrams 8-3 PIN characteristic CN1101 - Main Board power supply NAME Main_PWR_CTRL Sound_AMP Sound_AMP B12VS B12VS B13V B13V B13V Function Define - 13V B5V_VCCA, B5V_VCCB, IC611 POWER SUPPERLY - 5V B5V, B3.3V, B2.5V_VDD, B3.3VD, VCC50 - 12VS B12VS CN1203 - SPEAKER CONNECTOR NAME R+_OUT...
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8 Wiring Diagrams CN1606 - Front control NAME A5V_1 LED_STB BUZZER KEY_INPUT1 KEY_INPUT2 LED_CTRL Function Define - A5V Front control board poewr supply - KEY INPUT1,2 Key control, from the memu, change up/down Etc. - IR Remote control signal - LED_CTRL Control the timing and stand by LED color CN2201_LCD - Panel control SW_inverter...
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8 Wiring Diagrams CN2202-HD LVDS SIGNAL NAME NAME RxIN0- RxIN0+ RxIN1- RxIN1+ RxIN2- RxIN2+ LVDS Opt RxINCLK- DCC Opt RxINCLK+ RxIN3- RxIN3+...