Samsung LE27S71B Service Manual
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Samsung LE27S71B Service Manual

Tft-lcd tv
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SERVICE
TFT-LCD TV
TFT-LCD TV
Chassis
Model
Manual
Fashion Feature
- Luxurious Slim Design
- Supreme Picture Quality
- Supreme Sound Quality
- Supreme Convenience Quality
- Convenience for Users
GSM27SE
GSM32SE
GSM37SE
GSM37HEU
GSM40SE
GSM40SEU
LE27S71B
LE32S71B
LE37S71B
LE37S61B
LE40S71B
LE40S61B

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Summary of Contents for Samsung LE27S71B

  • Page 1 TFT-LCD TV Chassis GSM27SE GSM32SE GSM37SE GSM37HEU GSM40SE GSM40SEU Model LE27S71B LE32S71B LE37S71B LE37S61B LE40S71B LE40S61B SERVICE Manual TFT-LCD TV Fashion Feature - Luxurious Slim Design - Supreme Picture Quality - Supreme Sound Quality - Supreme Convenience Quality - Convenience for Users...
  • Page 2 Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. LE27S71B / LE27S72B / LE32S71B / LE37S61B / This manual may not, in whole or in part, be copied, LE40S61B and Macmaster Cable Adapter are photocopied, reproduced, translated, or converted to any trademarks of Samsung Electronics Co., Ltd.
  • Page 3 4-1 First Checklist for Troubleshooting ………………………………………………………………………………………………………4-1 4-2 Checkpoints by Error Mode ……………………………………………………………………………………………………………… 4-2 . Exploded View and Parts List …………………………………………………………………………………………………………………5 5-1 LE27S71B/ LE27S72B Exploded View ………………………………………………………………………………………………… 5-1 5-2 LE27S71B/ LE27S72B Parts list ………………………………………………………………………………………………………… 5-2 5-3 LE32S71B Exploded View ……………………………………………………………………………………………………………… 5-3 5-4 LE32S71B Parts list ………………………………………………………………………………………………………………………...

  • Page 4: Table Of Contents

    Contents . Wiring Diagram …………………………………………………………………………………………………………………………………8 8-1 Wiring Diagram ……………………………………………………………………………………………………………………………8-1 8-2 Main Board Layout ……………………………………………………………………………………………………………………… 8-2 8-3 PIN characteristic ………………………………………………………………………………………………………………………… 8-3 8-4 Power Board Layout ……………………………………………………………………………………………………………………… 8-6 . Schematic Diagrams ……………………………………………………………………………………………………………………………9 10. O O perating Instructions and Installation………………………………………………………………………………………………………1 1 0-1 10-1 Front ……………………………………………………………………………………………………………………………………...
  • Page 5 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 : BN82-00139J-00 and/or domestic law.
  • Page 6 10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Front 10-1...

  • Page 7: Connection Panel

    10 Operating Instructions and Installation 10-2 Connection Panel 10-2...
  • Page 8 10 Operating Instructions and Installation 10-3...

  • Page 9: Remote Control

    10 Operating Instructions and Installation 10-3 Remote Control 10-4...

  • Page 10: Installing The Stand

    10 Operating Instructions and Installation 10-4 Installing the Stand 10-5 Installing the Wall Mount Kit 10-5...
  • Page 11 10 Operating Instructions and Installation Memo 10-6...
  • Page 12 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.
  • Page 13 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 INFO MENU MU TE - If you have Factory remote - control - The buttons are active in the service mode.
  • Page 14 Carrier Mute TTX Group Auto Gamma Language English Auto Power Panel Option AMLCD_INT Auto FM ---- 2HDMI High Deviation ---- Brt.Sensor ---- EnergySave TTX List Debug LBE/FBE Ch.Table SUWON FRC(Micronas) Dynamic CE iDTV_Cntry FRC(Samsung) Dynamic Dimming Dynamic Contrast Tuner TOP...
  • Page 15 3 Alignments and Adjustments...
  • Page 16 3 Alignments and Adjustments...
  • Page 17 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...
  • Page 18 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.
  • 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. * Do not adjust the green gain and sub-contrast (Y) data. Picture 4-3 Toshiba ABL Pattern High light Measurement point...
  • Page 20 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.
  • Page 21 3 Alignments and Adjustments Memo 3-10...
  • Page 22 7 Block Diagrams 7 Block Diagram - This Document can not be used without Samsung’s authorization FLASH MEMORY AT49BV802 M30840 MICOM OPTION LM4810 74HC STA323W SOUND OUT MAX232...
  • Page 23 7 Block Diagrams Memo...
  • Page 24 13 Circuit Descriptions 13 Circuit Descriptions 13-1 Block description Bordeaux consists of three main blocks 1. Main board : Video signal processing 2. IP board : Power supply & Inverter 3. T-con board : LCD Panel control 13-1...
  • Page 25 13 Circuit Descriptions I I NVERTER SMPS Bordeaux consists of three main blocks 1. Main board : Video signal processing 2. SMPS : Power supply 3. T-con board : LCD Panel control 13-2...
  • Page 26 13 Circuit Descriptions 13-2 Main Block 13-3...
  • Page 27 13 Circuit Descriptions 13-3 SMPS Board 13-3-1 26", 32" Power Block 13-3-2 26", 32" SMPS Diagram 13-4...
  • Page 28 13 Circuit Descriptions 13-3-3 26" , 32" Power Block 13-3-4 26" , 32" SMPS Diagram 13-5...
  • Page 29 13 Circuit Descriptions 13-6...
  • Page 30 13 Circuit Descriptions 13-3-5 37" Power Block 13-3-6 37" SMPS Diagram 13-7...
  • Page 31 13 Circuit Descriptions 13-3-7 32" , 40" IP Board 13-3-8 32" , 40" IP Board 13-8...

  • Page 32: 1 1. 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 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.
  • Page 33 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...
  • Page 34 11 Disassembly and Reassembly Description Picture Description 4. Disonnect cable from the boards. 5. Remove screws from the boards and lift up the boards. 11-3...
  • Page 35 11 Disassembly and Reassembly Description Description Picture 6. Remove screws and Lift up the Lcd panel. 7. Remove 5 secews from the BRKT. Lift up the BRKT. 11-4...

  • Page 36: Reassembly

    11 Disassembly and Reassembly Description Description Picture 11-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-5...
  • Page 37 11 Disassembly and Reassembly Memo 11-6...
  • Page 38 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 LE40S61BX Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LE40S61BX/XEC LE40S61B,Q62C/40S60-GSM,40,LCD-TV,SPAIN M0001 BN90-00857M ASSY COVER FRONT;40S72,EO,ABS+PMMA,HB,BK...
  • Page 39 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA M0146 BN61-02257B BRACKET-PANEL SIDE;Bordeaux 40,SECC,T1.2 S.N.A M0115 BN61-02258A BRACKET-STAND LINK;Bordeaux 40,SECC,T1.6 M0114 BN61-02500A HOLDER-WIRE;NYLON6.6,NATURAL S.N.A M0059 BN96-03186E ASSY BOARD P-HOLDER AV;SONOMA,40,EO,HIPS S.N.A ...3 M2893 BN39-00672B LEAD CONNECTOR;LNR469DX/XAA,UL2835#28,14 ...3 BN61-02365B HOLDER-SIDE AV;SONOMA,32,HIPS,HB,BK500...
  • Page 40 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 D325 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D326 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D327 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D422_EU 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D423_EU 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D424_EU 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4 D425_EU 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200mA,SO ..4...
  • Page 41 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 D600 0407-000123 DIODE-ARRAY;DAN202K,80V,100mA,CA2-3,SOT- ..4 D601 0407-000123 DIODE-ARRAY;DAN202K,80V,100mA,CA2-3,SOT- ..4 D900 0407-000123 DIODE-ARRAY;DAN202K,80V,100mA,CA2-3,SOT- ..4 D901 0407-000123 DIODE-ARRAY;DAN202K,80V,100mA,CA2-3,SOT- ..4 Q603 0501-000280 TR-SMALL SIGNAL;KSA1182,PNP,150MW,SOT-23 ..4 Q100 0501-000342 TR-SMALL SIGNAL;KSC1623-Y,NPN,200mW,SOT- ..4 Q301 0501-000342...
  • Page 42 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R976 2007-000052 R-CHIP;10Kohm,1%,1/10W,TP,1608 ..4 R109 2007-000060 R-CHIP;100Kohm,1%,1/10W,TP,1608 ..4 R807 2007-000067 R-CHIP;15Kohm,1%,1/10W,TP,1608 ..4 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R321 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R444 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R446 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ..4 R480...
  • Page 43 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R506 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R507 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R508 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R509 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R510 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R518 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4 R585 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 ..4...
  • Page 44 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R919 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R937 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R947 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R966 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R967 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R971 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4 R972 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 ..4...
  • Page 45 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R9035 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R9036 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R9037 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R9038 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R9051 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R9052 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4 R9053 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 ..4...
  • Page 46 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R652 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R657 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R665 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R993 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 ..4 R602 2007-000100 R-CHIP;68Kohm,5%,1/10W,TP,1608 ..4 R603 2007-000100 R-CHIP;68Kohm,5%,1/10W,TP,1608 ..4 R604 2007-000100 R-CHIP;68Kohm,5%,1/10W,TP,1608 ..4...
  • Page 47 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 R986 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4 R987 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4 R988 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4 R989 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4 R990 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4 R991 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4 R992 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 ..4...
  • Page 48 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 RA908 2011-000651 R-NET;10ohm,5%,1/16W,L,CHIP,8P,TP,3216 ..4 RA910 2011-000651 R-NET;10ohm,5%,1/16W,L,CHIP,8P,TP,3216 ..4 RA500 2011-001093 R-NET;100OHM,5%,1/16W,L,CHIP,8P,TP,3216 ..4 RA501 2011-001093 R-NET;100OHM,5%,1/16W,L,CHIP,8P,TP,3216 ..4 RA900 2011-001093 R-NET;100OHM,5%,1/16W,L,CHIP,8P,TP,3216 ..4 RA901 2011-001093 R-NET;100OHM,5%,1/16W,L,CHIP,8P,TP,3216 ..4 RA902 2011-001093 R-NET;100OHM,5%,1/16W,L,CHIP,8P,TP,3216 ..4...
  • Page 49 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C573 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C577 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C588 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C589 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C590 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C591 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4 C593 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608 ..4...
  • Page 50 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C6008 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4 C623 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4 C678 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4 C679 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4 C926 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4 C928 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4 C930_EU 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 ..4...
  • Page 51 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C436_EU 2203-000815 C-CER,CHIP;0.033nF,5%,50V,C0G,1608 ..4 C437_EU 2203-000815 C-CER,CHIP;0.033nF,5%,50V,C0G,1608 ..4 C115 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,1608 ..4 C223 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,1608 ..4 C224 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,1608 ..4 C502 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,1608 ..4 C503 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,1608 ..4...
  • Page 52 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C919 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C942 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 ..4 C6001 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,1608 ..4 C6002 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,1608 ..4 C6005 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,1608 ..4 C6011 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,1608 ..4 C677 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,1608 ..4...
  • Page 53 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..4 C654 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C655 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C656 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C658 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C686 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C852 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4 C855 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 ..4...
  • Page 54 6 Electrical Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..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 2703-001229 INDUCTOR-SMD;2.2uH,10%,1608 ..4 T0052 2703-001229 INDUCTOR-SMD;2.2uH,10%,1608 ..4 T0052 2703-001229 INDUCTOR-SMD;2.2uH,10%,1608 ..4 T0052 2703-001229 INDUCTOR-SMD;2.2uH,10%,1608 ..4...
  • Page 55 ACCESSORY BN63-01798A CLOTH-CLEAN;RE40**,CLOTH,180,200,RHCM S.N.A ...3 T0531 BN63-02416B COVER-BOTTOM;SONOMA,40,HIPS,HB,BK500 ...3 T0511 BN68-01234A MANUAL USERS;COMM,SAMSUNG,E/Fr/Ge/D/I/S/ S.N.A ...3 M0126 BN69-01052A BOX ACCESSORY-00;ALL,CB-SW1,YEL,W603,D67 S.N.A ...3 ACCESSORY BN68-00514E MANUAL FLYER-00,WARRANTY CARD;comm,Samsu S.N.A ...3 T0511 AA68-03242K MANUAL FLYER-SAFETY GUIDE;comm,Samsung,8 S.N.A M0019 BN92-01929B ASSY LABEL;LE40S71BX S.N.A 6-18...
  • Page 56 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 LE27S61B Exploded View M0013 T0447 T0159 M0215 T0003 T0175 M0014 T0175 M0027...
  • Page 57 5 Exploded View & Parts List 5-2 LE27S61B Parts list Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-03836A ASSY COVER P-FRONT;27T70,EO,ABS+PMMA,HB, T0175 BN96-03279A ASSY SPEAKER P;16ohm,Sonoma 26,Left,5W,N T0175 BN96-03280A ASSY SPEAKER P;16ohm,Sonoma 26,Right,5W, M0215 BN07-00136A LCD-PANEL;V270B1-L01,Torino,8BIT,638.5*3 T0447 BN96-03944A ASSY BRACKET P-PANEL;SONOMA,27EO,READY,S M0014 BN94-01032A...
  • Page 58 5 Exploded View & Parts List 5-3 LE32S71B Exploded View M0014 T0159 T0447 M0215 M0013 T0076 T0003 T0175 M0027 T0175...
  • Page 59 5 Exploded View & Parts List 5-4 LE32S71B Parts list Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-03628C ASSY COVER P-FRONT;32T70,EO,-,ABS+PMMA,B T0175 BN96-03247B ASSY SPEAKER P;8ohm,Yellow/Black,470mm,1 T0175 BN96-03248B ASSY SPEAKER P;8ohm,Red/Black,950mm,10W, M0215 BN07-00315A LCD-PANEL;CLAA320WB02,8bit/60Hz,743*447* T0447 BN96-02999L ASSY BRACKET P-PANEL;BORDEAUX,SONOMA,32, S.N.A T0076 BN39-00615D...
  • Page 60 5 Exploded View & Parts List 5-5 LE37S61B Exploded View M0014 T0159 T0447 M0215 M0013 T0003 T0076 T0175 M0027 T0175...
  • Page 61 5 Exploded View & Parts List 5-6 LE37S61B Parts list Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-04044F ASSY COVER P-FRONT;37S72,EO,ABS+PMMA,HB, T0175 BN96-03247A ASSY SPEAKER P;8ohm,Sonoma 32,Left,10W,N T0175 BN96-03248A ASSY SPEAKER P;8ohm,Sonoma 32,Right,10W, M0215 BN07-00366A LCD-PANEL;CLAA370WA03,8bit,37inch,16.7M, T0447 BN96-03253A ASSY BRACKET P-PANEL;BORDEAUX-2,37,AUO,S S.N.A T0076...
  • Page 62 5 Exploded View & Parts List 5-7 LE40S61B Exploded View M0014 M0174 T0447 M0215 M0013 T0003 T0076 T0175 M0027 T0175...
  • Page 63 5 Exploded View & Parts List 5-8 LE40S61B Parts list Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-03394K ASSY COVER P-FRONT;40S72,EO,ABS+PMMA,HB, T0175 BN96-03247A ASSY SPEAKER P;8ohm,Sonoma 32,Left,10W,N T0175 BN96-03248A ASSY SPEAKER P;8ohm,Sonoma 32,Right,10W, M0215 BN07-00370A LCD-PANEL;T400XW02,8bit,40inch,16.7M,16: T0447 BN96-03528B ASSY BRACKET P-PANEL;SONOMA,40EO,READY,S S.N.A T0076...

  • Page 64: Pcb Diagram

    12 PCB Diagram 12 PCB Diagram 12-1 26" Main PCB Diagram 12-1...

  • Page 65: 32", 40" Main Pcb Diagram

    12 PCB Diagram 12-2 32", 37", 40" Main PCB Diagram IC-MICRO COMPUTER M30840 SGP IC-VIDEO PROCESS. SVP-PX56 IC-VIDEO RAM K4D 263238 IC-MICRO CONTROLLER IC-AUDIO AMP S3F 866B STA232W 12-2...
  • Page 66 12 PCB Diagram 12-3 26" SMPS 12-3...
  • Page 67 12 PCB Diagram 12-4 32" SMPS 12-4...
  • Page 68 12 PCB Diagram 12-5 40" IP Board 12-5...
  • Page 69 12 PCB Diagram Memo 12-6...
  • Page 70 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 71 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 72 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.
  • Page 73 1 Precautions Memo...
  • Page 74 2 Product Specifications 2 Product specifications 2-1 Fashion Feature Supreme Digital Interface & Networking -With a built-in HD digital tuner, it supports HD broadcasting with no particular set-top box and provides simple access with a single remote control. Excellent Picture Quality -DNIe technology provides life-like clear images.
  • Page 75 2 Product Specifications 2-2 LE27S71B Specifications Item Description LCD Panel LCD Panel : TFT-LCD Panel, RGB Vertical stripe, normaly black, 27-Inch viewable, 0.1455(H)*0.4365(V)mm Pixel Pitch Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) / Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16.7M colors...
  • Page 76 2 Product Specifications 2-3 LE32S71B Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 32-Inch viewable, 0.511 (H) x 0.511 (V) mm pixel pitchh Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) / Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16,777,216 colors Maximum Resolution...
  • Page 77 2 Product Specifications 2-4 LE37S71B Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 37-Inch viewable, 0.511 (H) x 0.511 (V) mm pixel pitchh Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) / Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16,777,216 colours Maximum Resolution...
  • Page 78 2 Product Specifications 2-5 LE40S71B Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 40-Inch viewable, 0.648(H) x 0.216(V) mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) / Vertical : 60 Hz ~ 75 Hz (Automatic) Display Colors 16,777,216 colors Maximum Resolution...
  • Page 79 2 Product Specifications 2-6 Spec Comparison LE27S71B / LE32S71B / Model LE26R51B / LE32R51B / LE40R51B LE37S71B / LE40S71B Design Frequency Horizontal 30 ~ 61 kHz 30 ~ 61 kHz Vertical 60 ~ 75 Hz 60 ~ 75 Hz Display Color...
  • Page 80 2 Product Specifications 2-7 Option Specification Item Item Name Code.No Remark Remote Control & BN59-00507A Batteries (AAA x 2) Power Cord 3903-000042 Cleaning Cloth BN63-001798A Owner's BN68-00983A Instructions 27" : BN90-01005A 32" : BN90-00967A Stand 37" : BN90-00966A 40" : BN90-00966A 27"...
  • Page 81 2 Product Specifications Memo...

  • Page 82: Reference Infomation

    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 83 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 84 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 85: 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 86 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 87 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 88: 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 89 14 Reference Infomation 14-3-2 Supported Modes (1) 14-8...
  • Page 90 14 Reference Infomation 14-3-3 Supported Modes (2) 14-9...
  • Page 91 14 Reference Infomation 14-3-4 Supported Modes (3) 14-10...

  • Page 92: 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 93 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTA400W1-L01 BN07-00109A PANEL of AMLCD 40" TV LTM153W1-L01 BN07-00110A Color coordinates change 0.280/0.290, 10000k & ZPD Panel LTM150XH-L06 BN07-00111A Color coordinates change 0.280/0.290, 10000k & ZPD Panel LTM170W1-L01 BN07-00112A Color coordinates change 0.280/0.290, 10000k & ZPD Panel LTM170EH-L05 BN07-00113A Color coordinates change 0.280/0.290, 10000k &...
  • Page 94 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTA260W2-L01 BN07-00185A AMLCD 26" 16:9 new Panel LTM240M1-L01 BN07-00195A 24" panel with high brightness deveiopment LTA400W2-L01 BN07-00186A AMLCD 40" 16:9 new Panel LTM150XO-L01 BN07-00197A AMLCD 15" XO-L01 Pb free panel code LTM150XO-L01 BN07-00197B AMLCD 15"...
  • Page 95 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks HANNSTAR HSD150MX17-A BN07-00226A Hannstar 15" slim panel ZPD code derivation TORISAN TM150XG-22L03(A) BN07-00021A TORISAN TM150XG-26L06 BN07-00042A TORISAN TM181SX-76N01 BN07-00048A TORISAN TM150XG-26L06 BN07-00059A 15" XGA TN MODE(ZPD) TORISAN TM290WX-71N31 BN07-00063A "RS24NS (TORISAN 29"" NEW PANEL)" TORISAN TM396WX-71N31 BN07-00064A...
  • Page 96 14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks ACER M170EN05 BN07-00102A ZPD Panel code ACER M190EN02 BN07-00170A "AU Monitor 19"" new panel development (P19-1S)" ACER M190EN02 BN07-00170B "AU 19"" ZPD code derivation (ZPD)" ACER M170EN06 BN07-00171A "AU Monitor 17"" New panel development " ACER T260XW01 BN07-00163A...
  • Page 97 14 Reference Infomation Memo 14-16...
  • Page 98 9 Schematic Diagrams 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-1 Power_Sound Schematic Diagram (SVP-PX)
  • Page 99 9 Schematic Diagrams ’ 9-2 Schematic Diagram (SVP-PX)
  • Page 100 9 Schematic Diagrams ’ 9-3 Micom Schematic Diagram (SVP-PX)
  • Page 101 9 Schematic Diagrams ’ 9-4 SVP-PX/PX-Power/LBE-Option Schematic Diagram (SVP-PX)
  • Page 102 9 Schematic Diagrams ’ 9-5 Application Schematic Diagram (SVP-PX)
  • Page 103 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-6 Power/Function/TUNER Schematic Diagram (MTK)
  • Page 104 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-7 Schematic Diagram (MTK)
  • Page 105 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-8 Schematic Diagram (MTK)
  • Page 106 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-9 Schematic Diagram (MTK)
  • Page 107 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-10 Schematic Diagram (MTK) 9-10...
  • Page 108 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-11 Schematic Diagram (MTK) 9-11...
  • Page 109 9 Schematic Diagrams -This Document can not be used without Samsung's authorization. 9-12 Schematic Diagram (MTK) 9-12...
  • Page 110 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.
  • Page 111 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 CN800? Does proper DC A3.3V, Check a IC809, IC802. A5V appear at Change a main PCB ass'y.
  • Page 112 #30, 22, 38(R, G, B) of IC500? cable. Change a main PCB ass'y. Does the digital data appear Check a IC500 at the output of Change a main PCB ass'y. LVDS (R563_OP~R572_OP)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace a lcd panel?
  • Page 113 4 Troubleshooting WAVEFORMS R,G,B Output Signal of IC500...
  • Page 114 Check a a IC 500 R503~R510? Change a main PCB ass'y. Does the digital data Check a IC500 appear at output of IC500 Change a main PCB ass'y. LVDS(R563_OP~R572_OP)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel?
  • Page 115 4 Troubleshooting Digital Output Data of IC500 Signal of HDMI(Data)
  • Page 116 Does the signal appear at Change a main PCB ass'y. #8 of IC500? Does the digital data appear Check a IC500. at output of Change a main PCB ass'y. R563_OP~R572_OP? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel?
  • Page 117 4 Troubleshooting WAVEFORMS CVBS Output Signal Tuner_CVBS Output Signal...
  • Page 118 Dose the signal appear at Check a connection harness. #10 of IC500? Does the signal appear at Check a IC515. Out of IC500 Change a main PCB ass'y R563_OP~R572_OP? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel?
  • Page 119 4 Troubleshooting WAVEFORMS CVBS Output Signal 4-10...
  • Page 120 Check a connection harness. #21, #31 of IC500? Does the digital data appear Check a IC500. at Output of IC500, Change a main PCB ass'y. R563_OP~R572_OP? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel? 4-11...
  • Page 121 4 Troubleshooting WAVEFORMS Digital Output Data of IC500 Analog Signal(Y,C) to IC500 4-12...
  • Page 122 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 #10, #16(CH1_L, R Sound) Check a connection harness and and Pin #3, #9 headphone jack / Side AV. (CH2_L, R Sound) of IC603? Check the DC 12V...
  • Page 123 4 Troubleshooting WAVEFORMS The Signal are Inputed to IC603 DC +12V 4-14...
  • Page 124 8 Wiring Diagrams 8 Wiring Diagram 8-1 LE27S71B / LE32S71B / LE37S71B / LE40S71B Wiring Diagram...
  • Page 125 8 Wiring Diagrams 8-2 Main Board Layout...
  • Page 126 8 Wiring Diagrams 8-3 PIN characteristic CN800 - 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 CN600 / CN601 - SPEAKER CONNECTOR NAME...
  • Page 127 8 Wiring Diagrams CN221 - Front control NAME SDA-T SCL-T GND GND IDENT HP-L HP-R INPUT1 INPUT1 INPUT2 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...
  • Page 128 8 Wiring Diagrams...
  • Page 129 8 Wiring Diagrams 8-4 Power Board Layout...
  • Page 130 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 131 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 132 8 Wiring Diagrams...
  • Page 133 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 134 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 135 8 Wiring Diagrams Memo 8-12...

This manual is also suitable for:

Le32s71bLe37s71bLe37s61bLe40s71bLe40s61b

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