Samsung LE23T51B Service Manual
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Samsung LE23T51B Service Manual

Chassis gtr23ke; gtr27ke; gtr32ke; gtr32ke
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SERVICE
LCD TV
LCD-TV
Chassis
GTR23KE
GTR27KE
GTR32KE
GTR32KE
Manual
- RF, DVI-D, PC(Analog), 2Scart, Component,
Video, S-Video
- Brightness : 500cd/㎡
- Contrast Ratio :
23": 800:1, 27": 1000:1, 32": 800:1
- Respense time : 16ms
- Dynamic contrast
- PIP (on PC only)
Model
LE32T51B
LE32T51S

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Summary of Contents for Samsung LE23T51B

  • Page 1 LCD-TV Chassis Model GTR23KE LE23T51B GTR27KE LE27T51B GTR32KE LE32T51B GTR32KE LE32T51S SERVICE Manual LCD TV Fashion Feature - RF, DVI-D, PC(Analog), 2Scart, Component, Video, S-Video - Brightness : 500cd/㎡ - Contrast Ratio : 23": 800:1, 27": 1000:1, 32": 800:1 - Respense time : 16ms...
  • Page 2 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 : BN82-00128R-03 under applicable International and/or domestic law.

  • Page 3: 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 4: 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 5: 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 highvoltage cable or the antenna falling over may 2.
  • Page 6 1 Precautions Memo...

  • Page 7: Product Specifications

    2 Product Specifications 2 Product Specifications 2-1 Fashion Feature - RF, DVI-D, PC(Analog), 2Scart, Component, Video, S-Video - Brightness : 500cd/ - Contrast Ratio : 23": 800:1, 27": 1000:1, 32": 800:1 - Respense time : 16ms - Dynamic contrast - PIP (on PC only)

  • Page 8: Specifications

    2 Product Specifications 2-2 Specifications 2-2-1 LE23T51B Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 23-Inch viewable, 0.372 (H) x 0.372(V)mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16.7 Million colors...
  • Page 9 2 Product Specifications 2-2-2 LE27T51B Specifications Description Item LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 27-Inch viewable, 0.1460 (H) x 0.4365(V)mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16.7 Million colors Maximum Resolution...
  • Page 10 2 Product Specifications 2-2-3 LE32T51B Specifications Description Item LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 32-Inch viewable, 0.511 (H) x 0.511(V)mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16.7 Million colors Maximum Resolution...

  • Page 11: Spec Comparison

    2 Product Specifications 2-2-4 Spec Comparison LE23R41B / LE26R41B / LE32R41BX LE23T51B / LE27T51B / LE32T51B Model Design Frequency Horizontal 30 ~ 61 kHz 30 ~ 61 kHz Vertical 60 ~ 75 Hz 60 ~ 75 Hz Display Color 16,777,216 colors...

  • Page 12: Option Specification

    2 Product Specifications 2-3 Option Specification Item Item Name Code.No Remark Remote Control & BN59-00488A Batteries (AAA x 2) Power Cord 3903-000042 Cover-Bottom BN63-02177A 23, 27" : BN96-02639A Stand 32" : BN96-02633A Stand Screw (4 ea) 6002-001294 Owner's Instructions BN68-00860C...

  • Page 13: Alignments And Adjustments

    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.

  • Page 14: Factory Mode Adjustments

    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 INFO MENU MUTE Power On 3-2-2 Panel Check - Specially for LE32T51BX, You have to check Panel Maker Because of different adjustments as follows.
  • Page 15 3 Alignments and Adjustments 3-2-3 Factory Mode Tree - If you have Factory remote - control [INFO] -> [FACTORY] 1. Calibration 1. Calibration : W/B Calibration 2. Option Byte 3. W/B AV Calibration 4. VCTi DTV Calibration 5. YC Delay PC Calibration 6.
  • Page 16 3 Alignments and Adjustments 5. YC Delay 1. Calibration 2. Option Byte RF PAL-B/G 3. W/B RF PAL-D/K 4. VCTi RF PAL-I 5. YC Delay RF PAL-L/L' 6. FLI5961 RF SECAM-B/G : 2 7. Adjust RF SECAM-D/K : 0 8. Test Pattern RF SECAM-I 9.
  • Page 17 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...
  • Page 18 3 Alignments and Adjustments 3-3-4 Method of Adjustment 1. Adjust the basic level of Component and PC input signals. a) Set the input to the mode in which the adjustment will be made (Component PC ). * Input signal - Component Mode : Model #6 (1280*720 Mode), Pattern #15 (picture 4-1) - PC Mode : Model #21 (1024*768 Mode), Pattern #17 (Picture 4-2) b) Enter factory Calibration (DTV, PC Mode Only).
  • Page 19 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. ( x : 263, y : 267 ) * Do not adjust the green gain and sub-contrast (Y) data.
  • Page 20 3 Alignments and Adjustments 3-4 TORINO Micom Update 3-4-1 Installing G-Probe 1. Uncompress GProbe5.1.0.18.zip. 2. Run GProbe5.1.0.18.exe. 3. The files are created in the C: Program Files Genesis Microchip GProbe 5 folder. 4. Copy the ispoak_spi.hex file to the C: Program Files Genesis Microchip GProbe 5 folder. 5.
  • Page 21 3 Alignments and Adjustments 3-4-2 Connecting to the MAIN PCB Switch off <Micom Download Jig Top Side: Note the direction of the switch> <Bottom Side> Connect to the MAIN PCB. Connect to the PC...
  • Page 22 3 Alignments and Adjustments 3-4-3 Update Procedures 1. Open mgm.txt in the C: Program Files Genesis Microchip GProbe 5 folder. 2. The following result will appear. // Batch file to program a sPI serial flash using ISP. // Moving the stack to high memory area is now taken care of in IROM // through the "Reset 0"...
  • Page 23 3 Alignments and Adjustments The Micom program is to be copied to the folder marked in red and the name of the program is to be the same as the file name marked in blue. (If the Micom program is not in the folder marked in red, change the path to the folder which includes the Micom program and then save the file.) 3.
  • Page 24 3 Alignments and Adjustments 4. Enter 'batch mgm.txt' as show in the following figure and press Enter or click the Execute button to update Micom. If the MICOM update is successfully completed, the above message appears. 3-12...

  • Page 25: Troubleshooting

    4 Troubleshooting 4 Troubleshooting 4-1 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 C820, C823? Does proper DC A3.3V, Check a IC816, IC815 A5V appear at Change a main PCB ass'y.
  • Page 26 R781, R782, R783? cable. Change a main PCB ass'y. Does the digital data appear Check a IC310. at output of LVDS TX(R422~R425, Change a main PCB ass'y. R430~R433)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace a lcd panel?
  • Page 27 4 Troubleshooting WAVEFORMS R,G,B Output Signal Digital Output Data of IC310...
  • Page 28 FT2704, 2705, 2706, 2708? change a main PCB ass'y. Does the digital data Check a IC310. appear at output of IC310 Change a main PCB ass'y. LVDS(R422~R425, R430~R433)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
  • Page 29 4 Troubleshooting WAVEFORMS Digital Output Data of IC310 Signal of DVI(Data)
  • Page 30 Check a IC210. C268? Change a main PCB ass'y. Does the digital data appear Check a IC310. at output of R422~R425, Change a main PCB ass'y. R430~R433? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
  • Page 31 4 Troubleshooting WAVEFORMS Digital Output Data of IC310 Tuner_CVBS Output Signal...
  • Page 32 Dose the signal Check a connection harness. appear at R7003? Does the digital data appear Check a IC310. at output of R422~R425, Change a main PCB ass'y. R430~R433? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
  • Page 33 4 Troubleshooting WAVEFORMS Digital Output Data of IC310 Tuner_CVBS Output Signal...
  • Page 34 Dose the signal appear at Check a connection harness. R7001, R7002? Does the digital data appear Check a IC310. at Output of R422~R425, Change a main PCB ass'y. R430~R433? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel? 4-10...
  • Page 35 4 Troubleshooting WAVEFORMS Digital Output Data of IC310 Analog Signal(Y,C) 4-11...
  • Page 36 4 Troubleshooting 4-7 No Sound Connect a sound cable. Picture is display, no sound. control a volume. Does the signal appear at Pin 12, 1(CH1_L, R Sound) Check a connection harness and and Pin 15, 2 headphone jack. (CH2_L, R Sound) of IC613? Check the DC 8V Check a IC813.
  • Page 37 4 Troubleshooting WAVEFORMS The Signal are Inputed to IC610 DC +8V Output WaveForm 4-13...
  • Page 38 4 Troubleshooting Memo 4-14...
  • Page 39 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 LE23T51B M0013 M0014 M0107 T0175 M0111 M0003...
  • Page 40 5 Exploded View & Parts List Location.No CODE-NO SPECIFICATION & DESCRIPTION Q'TY REMARK T0003 BN96-02645B ASSY COVER P-FRONT;23T50,HIPS,HB,BK07,BK T0175 BN96-02587A ASSY SPEAKER P;16OHM,TORINO 23,RIGHT,5W M0107 BN61-02065A BRACKET-PCB;23" MGM,SECC,T1.0 M0014 BN94-00752C ASSY PCB MAIN-AMLCD;LE23T51BX/*,TORINO M0013 BN96-02646B ASSY COVER P-REAR;23T50,EO,HIPS,HB,GR503 M0111 BN63-01718C COVER-STAND;TORINO,23,27,HIPS,HB,GR503,B...
  • Page 41 5 Exploded View & Parts List 5-2 LE27T51B M0013 M0447 T0175 M0013 T0003...
  • Page 42 5 Exploded View & Parts List Location.No CODE-NO SPECIFICATION & DESCRIPTION Q'TY REMARK T0003 BN96-02642A ASSY COVER P-FRONT;27T50,EO,HIPS,HB,GR50 T0175 BN96-02589A ASSY SPEAKER P;16ohm,Torino 26",Right,5W T0447 BN96-02640A ASSY BRACKET P-PANEL;TORINO 27,SECC M0013 BN96-02641A ASSY COVER P-REAR;27T50,EO,HIPS,HB,GR503 M0013 BN96-02639A ASSY STAND P-BASE;TORINO,23,27,HIPS,HB,G...
  • Page 43 5 Exploded View & Parts List 5-3 LE32T51B M0002 T0447 T0175 M0216 T0003...
  • Page 44 5 Exploded View & Parts List Location.No CODE-NO SPECIFICATION & DESCRIPTION Q'TY REMARK T0003 BN96-02625B ASSY COVER P-FRONT;32T50,EO,HIPS,HB,GR50 T0175 BN96-02591A ASSY SPEAKER P;8ohm,Torino 32",Right,10W T0447 BN96-02628A ASSY BRACKET P-PANEL;TORINO 32",SECC BN39-00693A CBF HARNESS-IN-LET;TORINO,1617#22,3P,1P, M0002 BN90-00786B ASSY COVER REAR;TORINO,32EO,32T50 M0216 BN90-00787A ASSY STAND;TORINO,32,32T50...
  • Page 45 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 LE23T51BX/XEU Parts list Level Loc. No. Code No. Description & Specification SA/SNA LE23T51BX/XEU LE23T51B,Q54B/23T50-GTR,23,LCD-TV,UNITED M0001 BN90-00791B ASSY COVER FRONT;TORINO,23EO,23T50...
  • Page 46 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ...3 CN801 3711-005942 HEADER-BOARD TO CABLE;BOX,16P,1R,2mm,STR ...3 JA710_EU 3722-000498 JACK-SCART;21P,-,SN,BLK,NO ...3 JA711_EU 3722-000498 JACK-SCART;21P,-,SN,BLK,NO ...3 JA723 3722-001061 JACK-PHONE;1P,3.6PI,AG,BLK,N ...3 JA717 3722-001734 JACK-VHS;4P,-,SN,BLK,- ...3 JA715_EU 3722-001903 JACK-PIN;2P,-,AU,WHT/RED,- ...3 JA721 3722-001903 JACK-PIN;2P,-,AU,WHT/RED,-...
  • Page 47 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 D7740 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D7741 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D7742 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D7743 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D910 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D911 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D912 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200MA,SO ..4 D913...
  • Page 48 6 Electrical Parts List 7-2 Others Level Loc. No. Code No. Description & Specification SA/SNA ..4 T0085 1201-002274 IC-AUDIO AMP;TPA3008D2,HTQFP,48P,7x7mm,D ..4 T0087 1203-001816 IC-POSI.FIXED REG.;78M08,TO-252,3P,-,PLA ..4 IC416 1203-001824 IC-VOL. DETECTOR;7042,SOT-89,3P,-,PLASTI ..4 T0087 1203-002842 IC-POSI.FIXED REG.;AP1117D-33A,TO-252,3P ..4 T0087 1203-002844 IC-POSI.FIXED REG.;AP1117D-18A,TO-252-3L ..4 T0087 1203-002844...
  • Page 49 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 R634 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R635 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R750_EU 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R859 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R9665 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R9720 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R9721 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R9722...
  • Page 50 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 R9703 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R328 2007-000075 R-CHIP;220ohm,5%,1/10W,TP,1608 ..4 R439 2007-000075 R-CHIP;220ohm,5%,1/10W,TP,1608 ..4 R126 2007-000076 R-CHIP;330ohm,5%,1/10W,TP,1608 ..4 R232 2007-000076 R-CHIP;330ohm,5%,1/10W,TP,1608 ..4 R366 2007-000076 R-CHIP;330ohm,5%,1/10W,TP,1608 ..4 R712_EU 2007-000076 R-CHIP;330ohm,5%,1/10W,TP,1608 ..4 R713_EU...
  • Page 51 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 R415 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R647 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R650 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R660 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R661 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R662 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R705 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R803...
  • Page 52 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 R710_EU 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R711_EU 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R819 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R894 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R637 2007-000100 R-CHIP;68Kohm,5%,1/10W,TP,1608 ..4 R638 2007-000100 R-CHIP;68Kohm,5%,1/10W,TP,1608 ..4 R639 2007-000100 R-CHIP;68Kohm,5%,1/10W,TP,1608 ..4 R640...
  • Page 53 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 R771 2007-001002 R-CHIP;510ohm,5%,1/10W,TP,1608 ..4 R338 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 ..4 R339 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 ..4 R340 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 ..4 R780 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 ..4 R781 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 ..4 R782 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 ..4 R783...
  • Page 54 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 C266 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C271 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C616 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C622 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C627 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C637 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C642 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C643...
  • Page 55 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 C850 2203-000405 C-CER,CHIP;0.18nF,5%,50V,C0G,1608 ..4 C301 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C610 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C611 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C640 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C641 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C650 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 ..4 C651...
  • Page 56 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 C235 2203-001656 C-CER,CHIP;0.47nF,5%,50V,NP0,1608 ..4 C628 2203-001724 C-CER,CHIP;4700nF,+80-20%,16V,Y5V,3216 ..4 C366 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C410 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C652 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C700 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C728 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 ..4 C735...
  • Page 57 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 C341 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C342 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C343 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C344 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C345 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C346 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C347 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C350...
  • Page 58 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 C659 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C660 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C661 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C890 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C417 2402-000108 C-AL,SMD;10uF,20%,16V,WT,TP,4.3x4.3x5.2m ..4 C112 2402-001128 C-AL,SMD;100UF,20%,16V,WT,TP,6.3X5.7MM ..4 C121 2402-001128 C-AL,SMD;100UF,20%,16V,WT,TP,6.3X5.7MM ..4 C267...
  • Page 59 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225 ..4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225 ..4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225 ..4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225 ..4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225 ..4 T0052 2703-000398 INDUCTOR-SMD;10uH,10%,3225 ..4 T0052 2703-000417 INDUCTOR-SMD;220uH,5%,3225 ..4 T0052...
  • Page 60 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ..4 T0568 3301-001236 BEAD-SMD;60ohm,1608,200mA,,,,0.7ohm ..4 TEST4 3711-002046 HEADER-BOARD TO CABLE;BOX,12P,1R,1.25mm, ..4 CN622 3711-005291 HEADER-BOARD TO CABLE;BOX,2P,1R,2MM,SMD- ..4 CN621 3711-005292 HEADER-BOARD TO CABLE;BOX,3P,1R,2MM,SMD- ..4 CN701 3711-005470 HEADER-BOARD TO CABLE;BOX,30P,1R,1.25mm, ..4 CN802 3711-005497...
  • Page 61 6 Electrical Parts List Level Loc. No. Code No. Description & Specification SA/SNA ...3 T0524 6902-000110 BAG PE;LDPE,T0.05,W250,L400,TRP,28,2 ...3 T0610 AA68-03242E MANUAL-SAFETY GUIDE;All Model,SAMSUNG,8L ...3 ACCESSORY AA68-03575A MANUAL-01,REGISTRATION CARD;XEU,ENG,UK,W ...3 ACCESSORY AA68-20051A MANUAL-S/NETWORK;ALL,W/P 100(G),B5,ENG,S ...3 T0074 BN59-00488A REMOCON;TORINO-EO,TM79,Single Micom,39,E ...3...

  • Page 62: Block Diagram

    7 Block Diagrams 7 Block Diagram - This Document can not be used without Samsung’s authorization...
  • Page 63 7 Block Diagrams Memo...

  • Page 64: Wiring Diagram

    8 Wiring Diagrams 8 Wiring Diagram 8-1 LE23T51B / LE27T51B / LE32T51B Wiring Diagram...
  • Page 65 8 Wiring Diagrams 8-2 Main Board Layout...
  • Page 66 8 Wiring Diagrams 8-3 PIN characteristic CN801 - Main Board power supply NAME B12V GND GND GND B12VS B12VS B12VS GND GND GND Function Define - B12V B8V, B5V-T - B5V B5V-1, B5V, 5V-P, B1.8V - B12VS B12VS - A5V A5V, A3.3V-3, A3.3V, A3.3V-1, B3.3V, A1.8V CN621 / CN622 - SPEAKER CONNECTOR NAME...
  • Page 67 8 Wiring Diagrams CN802 - Front control NAME SDA-T SCL-T GND GND IDENT HP-L HP-R INPUT1 INPUT1INPUT2 Function Define - A5V Front control board poewr supply - KEY INPUT1,2/SDA/SCL Key control, from the memu, change up/down Etc. - IR Remote control signal - LED Control the timing and stand by LED color CN815 - Panel control...
  • Page 68 8 Wiring Diagrams...
  • Page 69 8 Wiring Diagrams 8-4 Power Board Layout...
  • Page 70 8 Wiring Diagrams CN801 - AC Input NAME Live Netural VOLTAGE Functing Define - Refer to : AC Input CN801 - Main Board power supply NAME 13V GND 5.4V 5.4V 5.4V GND GND GND GND ST7V PWR Functing Define - ST7V Stand-By Output - PWR Power On/Off Control - Refer to : CN801 function define CNM804 - Panel control...
  • Page 71 8 Wiring Diagrams CN802 - Inverter power supply NAME 24V GND GND GND GND Functing Define - AMLCD Panel Inverter Power - 24V LAMP INVERTER Voltage - B/L Brightness sensor power - A_D ANA_DIMMING - P_D PWM_DIMMING CN803 - Inverter power supply NAME 24V GND GND GND GND...
  • Page 72 8 Wiring Diagrams...
  • Page 73 8 Wiring Diagrams CN801 - AC Input NAME Live Netural VOLTAGE Functing Define - Refer to : AC Input CN801 - Main Board power supply NAME 13V GND 5.4V 5.4V 5.4V GND GND GND GND ST7V PWR Functing Define - ST7V Stand-By Output - PWR Power On/Off Control - Refer to : CN801 function define CNM804 - Panel control...
  • Page 74 8 Wiring Diagrams CN803 - Inverter power supply NAME 24V GND GND GND GND Functing Define - AMLCD Panel Inverter Power - 24V LAMP INVERTER Voltage - B/L Brightness sensor power - A_D ANA_DIMMING - P_D PWM_DIMMING CN804 - Inverter power supply NAME 24V GND GND GND GND...
  • Page 75 8 Wiring Diagrams Memo 8-12...
  • Page 76 9 Schematic Diagrams 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-1 Power & Function Schematic Diagram DC +8V...
  • Page 77 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-2 In_Out_Jack Schematic Diagram...
  • Page 78 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-3 In-Out-Jack Schmetic Diagram R,G,B Output Signal of IC906 Signal of DVI(Data) Tuner_CVBS Output Signal Analog Signal(Y,C)
  • Page 79 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-4 Video Decoder & Sound Processing IC Schematic Diagram Tuner_CVBS Output Signal...
  • Page 80 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-5 Sound Amp Schmetic Diagram The Signal are Inputed to IC610 DC +8V Output WaveForm...
  • Page 81 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-6 Scaler IC Schmetic Diagram...
  • Page 82 9 Schematic Diagrams - This Document can not be used without Samsung s authorization. 9-7 Memory & LVDS Output Schmetic Diagram Digital Output Data of IC310...
  • Page 83 9 Schematic Diagrams Memo...
  • Page 84 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 (POWER) Displays a menu of all of the available input sources Press to turn the TV on and off. (TV, Ext.1, Ext.2, AV, S-Video, Component, PC, DVI).

  • Page 85: Connection Panel

    10 Operating Instructions and Installation 10-2 Connection Panel 10-2...
  • Page 86 10 Operating Instructions 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.

  • Page 87: Remote Control

    10 Operating Instructions and Installation 10-3 Remote Control 1. Television Standby button 2. Number buttons for direct channel access 3. One/Two-digit channel selection Volume increase Volume decrease 5. Temporary sound switch-off 7. Displays the main on-screen menu 8. Sound effect selection 9.

  • Page 88: Installing The Stand

    10 Operating Instructions and Installation 10-4 Installing the Stand 1. Place the TV faced down on a soft cloth or cushion on a table. 2. Put the stand into the hole at the bottom of the TV. 3. Insert screw into the hole indicated and tighten 10-5...
  • Page 89 10 Operating Instructions and Installation Memo 10-6...

  • Page 90: 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 LE23T51B/LE27T51B/LE32T51B TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. (ONLY LE32T51B) Check the connector of POWER BOARD which are CNM 802, 803.
  • Page 91 11 Disassembly and Reassembly 23"(AM-LCD Panel) 27"(CMO Panel) 32"(AM-LCD Panel) 32" (AUO Panel) 3. Disconnect cables and remove 6 screws from the power board. 4. Remove 4 screws from the main board. Lift up the power board. 5. Lift up the main board and remove 10 secews from the BRKT. 11-2...
  • Page 92 11 Disassembly and Reassembly 6. Remove 4 screws and Lift up the Lcd panel. 7. Remove 4 screws 11-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-3...
  • Page 93 11 Disassembly and Reassembly Memo 11-4...

  • Page 94: Pcb Layout

    12 PCB Layout 12 PCB Layout 12-1 Main PCB Layout CN801(Power) CN701 (LVDS) CN621 ( Speaker) CN815 IC611 (Dimming) ( Sound-IC) CN802 (Function) TEST4 (Service) IC210 IC MICOM IC313 IC310 (VCT49X3F) (IC-FLASH ) IC-CRT (FLI5921H-LF) TU110 (TUNER) IC710 (EEPROM) JA723 JA722 (D-SUB) JA721 (DVI Sound) (PC Sound)
  • Page 95 12 PCB Layout Memo 12-2...

  • Page 96: Circuit Descriptions

    13 Circuit Descriptions 13 Circuit Descriptions 13-1 Block description Torino consists of three main blocks 1. Main board : Video signal processing 2. SMPS board : Power supply 3. Panel Inverter & T-con board : LCD Panel control 13-1...

  • Page 97: Main Block

    13 Circuit Descriptions 13-2 Main Block * VCTi : IF, Scart1/2, AV, S-Video, input and Video decoding, Audio signal processing. * Gm5921HLF : - Scaler IC. - Component, Pc, DVI-D input and LVDS signal output. 13-2...

  • Page 98: Smps Board

    13 Circuit Descriptions 13-3 SMPS Board 13-3-1 23" SMPS Block(Free_Volt) 13-3-2 23" SMPS Diagram(Free_Volt) 13-3...
  • Page 99 13 Circuit Descriptions 13-3-3 23" SMPS Block(110V / 220V Only) 13-3-4 23" SMPS Diagram(110V / 220V Only) 13-4...
  • Page 100 13 Circuit Descriptions 13-3-5 27" SMPS Block(Free_Volt) 13-5...
  • Page 101 13 Circuit Descriptions 13-3-6 27" SMPS Diagram(Free_Volt) 13-3-7 27" SMPS Block(110V / 220V Only) 13-6...
  • Page 102 13 Circuit Descriptions 13-3-8 27" SMPS Diagram(110V / 220V Only) 13-7...
  • Page 103 13 Circuit Descriptions 13-3-9 32" SMPS Block(Free_Volt) 13-3-10 32" SMPS Diagram(Free_Volt) 13-8...
  • Page 104 13 Circuit Descriptions 13-3-11 32" SMPS Block(110V / 220V Only) 13-3-12 32" SMPS Diagram(110V / 220V Only) 13-9...
  • Page 105 13 Circuit Descriptions 13-10...

  • Page 106: Technical Terms

    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.
  • Page 107 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.
  • Page 108 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.

  • Page 109: Pin Assignments

    14 Reference Infomation 14-2 Pin Assignments 14-2-1 DVI-D Sync Type 24P DVI-D Pin No. Rx2- DDC Input power (+5V) Rx2+ IDENT-DVI Output Signal (HDCP Control) Rx0- DDC - SCL Rx0+ DDC - SDA Rx1- Rx1+ RxC+ RxC- Figure 1. 14-4...
  • Page 110 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...
  • Page 111 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...

  • Page 112: Timing Chart

    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...
  • Page 113 14 Reference Infomation 14-3-2 Supported Modes (1) 14-8...
  • Page 114 14 Reference Infomation 14-3-3 Supported Modes (2) 14-9...
  • Page 115 14 Reference Infomation 14-3-4 Supported Modes (3) 14-10...

  • Page 116: Panel Description

    14 Reference Infomation 14-4 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 117 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTM220W1-L01 BN07-00114A "ZPD Panel for AMLCD 22"" TV" LTM150XH-L06 BN07-00117A "ZPD Panel code" LTM153W1-L01 BN07-00118A "ZPD Panel code" LTM170WP-L01 BN07-00119A "PVA Panel for NIKE" LTM213U4-L01 BN07-00039A 21.3" NARROW LTA260W1-L01 BN07-00121A VENUS LTA220W1-L01 BN07-00074B...
  • Page 118 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks CLAA150XP01 BN07-00173B CPT 15" PSWG panel ZPD code CLAA170EA07 BN07-00174A "CPT 17"" PSWG panel code derivation? CLAA170EA07 BN07-00174B CPT 17"""" PSWG type new Panel code""" CLAA170EA07 BN07-00174B CPT 17" PSWG type new Panel code TOSHIBA LTM15C419(A) BN07-00002A...
  • Page 119 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks HYUNDAI HT15X13 BN07-00035A HYUNDAI HT17E11-200 BN07-00049A TN MODE HYUNDAI HT17E11-300 BN07-00093A HT17E11-300 ZPD panel HYUNDAI HT17E11-400 BN07-00094A HT17E11-400 normal panel HYUNDAI HT17E11-400 BN07-00095A HT17E11-400 ZPD panel code HYUNDAI HT17E12 BN07-00096A HT17E12 ( Narow &...

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