Sharp LC-24LE240E Operation Service Manual Download Page 37 | Manualshive

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LC-24LE240

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9. Scaler and LVDS Sockets

9.1. LVDS sockets Block Diagram

9.2. Panel Supply Switch Circuit

This switch is used to open and close panel supply of TCON. It is controlled by port of main
ucontroller. Also with this circuit panel sequency could be adjusted correctly. 3 panel supplies are
connected to this circuit. All of the them are optional according to panels.

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Summary of Contents for LC-24LE240E Operation

Page 1: ...SPECIFICATIONS 5 IMPORTANT SERVICE SAFETY PRECAUTIONS 7 OPERATION MANUAL 9 DIMENSIONS 13 INTRODUCTION 14 CIRCUIT DESCRIPTIONS 17 SERVICE MENU SETTINGS 49 SOFTWARE UPDATE 53 TROUBLESHOOTING 54 OVERAL WIRING DIAGRAM 63 SCHEMATIC DIAGRAMS 64 PRINTED WIRING BOARD 74 REPLACEMENT PARTS LISTING 75 CABINET AND MECHANICAL PARTS 81 Issued 4th May 2012 SE00LC24LE240E MODEL LC 24LE240E LC 24LE240EK LC 24LE240...

Page 2: ...th TPA3113 U168 22 Power Stage 24 Microcontroller MSTAR U5 29 CI Interface 34 USB Interface 34 DDR2 SDRAM K4T1G164QF U155 35 Scaler and LVDS Sockets 37 SPI Flash Memory MX25L1005 U158 38 NAND Flash Memory NAND512XXA2C U162 40 MP2012 U176 42 RTA8283A U23 U173 43 MP1583 U174 44 LM1117 U175 U180 U181 45 FDC642 46 FDC604P 47 SERVICE MENU SETTINGS 49 SOFTWARE UPDATE 53 TROUBLESHOOTING 54 OVERALL WIRING...

Page 3: ...eserves the right to make design and specification changes for product improvement without prior notice The performance specification fig ures indicated are nominal values of pro duction units There may be some devia tions from these values in individual units Digital Reception DVB C Transmission Standards DVB C MPEG2 DVB C MPEG4 i DEMODULATION Symbolrate 4 0 Msymbols s to 7 2 Msymbols s Modulatio...

Page 4: ... check that hardware is not lodged between the chassis and other metal parts in the receiver 2 Inspect all protective devices such as non metallic control knobs insulation materials cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug...

Page 5: ...ional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains more tin and the end of th...

Page 6: ...6 LC 24LE240 End of life disposal ...

Page 7: ...nected via the HDMI sockets or Component Socket These sockets can accept either 720p or 1080i signals No sound connection is needed for an HDMI to HDMI connection RF Input 2 connects to an aerial antenna system or a cable Note that if you use a decoder or a media recorder you should connect the aerial cable through the device to the television with an appropriate antenna cable as shown in the illu...

Page 8: ... be connected via the HDMI sockets or Component Socket These sockets can accept either 720p or 1080i signals No sound connection is needed for an HDMI to HDMI connection RF Input 5 connects to an aerial antenna system or a cable Note that if you use a decoder or a media recorder you should connect the aerial cable through the device to the television with an appropriate antenna cable as shown in t...

Page 9: ...ble s not supplied connector into the YELLOW input located on the plural side of the supplied AV connection cable Colours of the connected jacks should match To enable audio connection you must use RED and WHITE inputs of the side AV connection cable Afterwards insert your device s audio cable s connectors into the RED and WHITE jack of the supplied side AV connection cable Colours of the connecte...

Page 10: ...isk with your personal computer and the formatted disk type should be FAT32 SIDE VIEW USB MEMORY 5Vdc Max 500mA USB CAUTION Quickly plugging and unplugging USB devices is a very hazardous operation Especially do not repeatedly quickly plug and unplug the drive This may cause physical damage to the USB player and especially the USB device itself Do not pull out USB module while playing or recording...

Page 11: ...ing on the broadcast s resolution For this reason it is recommended to use USB hard disk drives for recording HD programmes Do not plug out the USB HDD during the recording This may harm the connected USB HDD Multipartiton support is available Maximum two different partitions are supported If the disk have more than two partitions crash may occur First partition of the usb disk is used for PVR rea...

Page 12: ...rated above Remote Control Handset Inserting Batteries Remove the battery cover located on the back of the handset by gently pulling backwards from the indicated part Insert two AAA R3 or equivalent type batteries inside Observe the correct polarity when inserting batteries and replace the battery cover Note Remove the battery from remote control handset when it is not to be used for a long period...

Page 13: ...13 LC 24LE240 DIMENSIONS ...

Page 14: ... WXERHEVHW EW v ERH 0 0v MRGPYHMRK IVQER ERH 2 1 WXIVIS PWS 8 EVI WYTTSVXIH MRXIVREP HIQSYPEXSVW SJ 1WXEV ERH 7 7 MW WYTTSVXIH MXL I XIVREPP HIQSHYPEXSV 7SYRH W WXIQ SYXTYX MW WYTTP MRK QE PIWW 8 EX QE SYXTYX MXL WTIEOIVW SV JSV WXIVIS 7YTTSVXIH TIVMTLIVEPW EVI 6 MRTYX 9 3LQ SQQSR 7MHI 7 6 0C YHMS 7 68 WSGOIX SQQSR 4F4V 3TXMSREP 4 MRTYX SQQSR 1 MRTYX 1 MRTYX MW GSQQSR MRTYX MW STXMSREP 7 4 SYXTYX ...

Page 15: ...15 LC 24LE240 1 General Block Diagram ...

Page 16: ...16 LC 24LE240 2 MB62 Placement of Blocks TU3 ...

Page 17: ...RI F GMVGYMXW ERH QMGVSGSRXVSPPIV IRIVEP HIWGVMTXMSR SJ 7SR 6 8LI 798 6 MW HIWMKRIH JSV XIVVIWXVMEP 8 HMKMXEP EREPSK ERH HMKMXEP GEFPI VIGITXMSR X MRGPYHIW E JYPP FERH XYRIV ERH E GLERRIP JMPXIVMRK JSV HMKMXEP WMKREPW X TVSZMHIW E PS SYXTYX EJXIV GLERRIP JMPXIVMRK XS HVMZI E GLERRIP HIQSHYPEXSV 8YRMRK FERH W MXGLMRK ERH MRMXMEPM EXMSR EVI QEHI ZME ER FYW MRXIVJEGI 8LI QSHYPI MW FYMPX SR E PS PSWW ...

Page 18: ...18 LC 24LE240 4VSKVEQQEFPI GLERRIP MPXIV FERH MHXL YPP FYW GSRXVSPPIH SV FVMH 8 ETTPMGEXMSRW 4MRRMRK 8EFPI ERH TTPMGEXMSR PSGO MEKVEQ SJ 8YRIV ...

Page 19: ...XL TSWIH 4EH 2 Audio Amplifier Stage with AZAD2102 U163 U164 2 1 General description 1 YWIW X S PEWW 1SRS YHMS QTPMJIVW JSV JVSQ x XS x 8 W MW E EXXW QE GER HH HH SPX MXL LMKL IJJMGMIRG JMPXIV JVII GPEWW EYHMS TS IV EQTPMJMIV MR E QQ QQ EJIV GLMT WGEPI TEGOEKI 74 YWIW YVVIRX W MXGL XIGLRSPSK XS EGLMIZI LMKL TIVJSVQERGI GPEWW H EQTPMJMIV XLEX JIEXYVIW 8 IJJMGMIRG z H 4766 XS MQTVSZI 6 VIGXMJMGEXMSR...

Page 20: ...20 LC 24LE240 2 3 Absolute ratings 2 3 1 Electrical characteristics ...

Page 21: ...21 LC 24LE240 3TIVEXMRK 7TIGMJMGEXMSRW 4MRRMRK 2 3 2 Operating Specifications 2 3 Pining ...

Page 22: ...LI 84 GER HVMZI WXIVIS WTIEOIVW EW PS EW 8LI LMKL IJJMGMIRG SJ XLI 84 IPMQMREXIW XLI RIIH JSV ER I XIVREP LIEX WMRO LIR TPE MRK QYWMG 8LI SYXTYXW EVI EPWS JYPP TVSXIGXIH EKEMRWX WLSVXW XS 2 ERH SYXTYX XS SYXTYX 8LI WLSVX GMVGYMX TVSXIGXMSR ERH XLIVQEP TVSXIGXMSR MRGPYHIW ER EYXS VIGSZIV JIEXYVI IEXYVIW GL MRXS ER 0SEHW EX 8 2 VSQ E 7YTTP MRXS E 1SRS 0SEH EX 8 2 VSQ E 7YTTP JJMGMIRX PEWW 3TIVEXMSR ...

Page 23: ...23 LC 24LE240 3TIVEXMRK 7TIGMJMGEXMSRW 3 3 2 Operating Specifications 3 4 Pinning ...

Page 24: ... JSV 4 ERH 4 3 3 JK9 is used for the adapter option and also CN705 inverter socket socket or DB32 chassis with CN706 is used to supply backlight The power supplies generate 18V 12V 5V 3 3V and 12V 5V stand by mode DC voltages Power stage which is on chassis generates 5V 3V3 stand by voltage and 12V 8V 5V 3V3 2 5V 1 8V and 1 2V supplies for other different parts of chassis Chassis block diagram is ...

Page 25: ... 3 4 42 0 1 K 2 6 34 9 1 2 2 N 6 K 2 6 3 K 2 U 2 6 N N 6 K 2 6 34 9 6 34 9 6 34 9 5 0 33 0 37 3 7 04 2 7 03 07 07 37 37 FOR V 0ANEL 3UP For IPS16 IPS17 IPS60 below blocks must work properly The blocks on power block diagram is using dependent to main supply For PW26 and PW27 just common blocks are enough for proper operation ...

Page 26: ...assis and main IC against damages when any Vcc supply shorts to ground Protect pin should be logic high while normal operation When there is a short circuit protect pin should be logic low After any short detection SW forces LEDs on LED card to blink For adapter case also below blocks are necessary ...

Page 27: ...27 LC 24LE240 4S IV 1EREKIQIRX 1 4S IV 1EREKIQIRX MXL HETXSV 1 4S IV 1EREKIQIRX MXL 4 4 4 1 Power Management ...

Page 28: ...28 LC 24LE240 1 4S IV 1EREKIQIRX MXL 47 47 47 4 1 4S IV 1EREKIQIRX MXL 4 4 4 ...

Page 29: ...68 WYTTSVX MXL 7 SYXTYX 8LI IUYMTTIH 17XEV 1 GSPSV IRKMRI MW XLI PEXIWX QEWXIVTMIGI JVSQ 17XEV JEQSYW GSPSV IRKMRI WIVMIW TVSZMHMRK I GIPPIRX ZMHIS ERH TMGXYVI UYEPMX MR YPP ERH PEVKI WGEPI HMWTPE MRK W WXIQ 8S QIIX XLI MRGVIEWMRKP TSTYPEV IRIVK PIKMWPEXMZI VIUYMVIQIRXW MXLSYX XLI YWI SJ EHHMXMSREP LEVH EVI XLI 17 48 LEW ER YPXVE PS TS IV WXERHF QSHI HYVMRK LMGL ER IQFIHHIH 1 9 GER EGX YTSR WXERHF...

Page 30: ...VH 8 7SYRH 4VSGIWWSV 7 EYHMS HIGSHMRK 7YTTSVXW 87 HIQSHYPEXMSR 7YTTSVXW 2 1 1 1 HIQSHYPEXMSR 7YTTSVXW 187 1SHI 1SRS 7XIVIS 7 4 MR 87 QSHI 7YTTSVXW 1SRS 7XIVIS YEP MR 2 1 QSHI YMPX MR EYHMS WEQTPMRK VEXI GSRZIVWMSR 76 YHMS TVSGIWWMRK JSV PSYHWTIEOIV GLERRIP MRGPYHMRK ZSPYQI FEPERGI QYXI XSRI 5 ZMVXYEP WXIVIS WYVVSYRH ERH XVIFPI FEWW GSRXVSPW HZERGIH WSYRH TVSGIWWMRK STXMSRW EZEMPEFPI JSV I EQTPI 76...

Page 31: ...VSGIWWMRK YPP TVSKVEQQEFPI QYPXM JYRGXMSR WGEPMRK IRKMRI 2SRPMRIEV ZMHIS WGEPMRK WYTTSVXW ZEVMSYW QSHIW MRGPYHMRK 4ERSVEQE 7YTTSVXW H REQMG WGEPMRK JSV MKL 5YEPMX 8 ZMHIS TVSGIWWSV QSXMSR ZMHIS HIMRXIVPEGIV MXL QSXMSR SFNIGX WXEFMPM IV HKI SVMIRXIH HIMRXIVPEGIV MXL IHKI ERH EVXMJEGX WQSSXLIV YXSQEXMG 1 2 TYPP HS R HIXIGXMSR ERH VIGSZIV QYPXM TYVTSWI RSMWI VIHYGXMSR JSV 8 SV PSYW EMV GEFPI MRTYX 14...

Page 32: ...EVMX TIVJSVQERGI 1YPXM WXERHEVH TVSGIWWMRK MXL WMRKPI 7 7YTTSVXW WMPMGSR XYRIV PS SYXTYX EVGLMXIGXYVI 97 EVGLMXIGXYVI HIWMKRIH JSV IJJMGMIRX WYTTSVX SJ I XIVREP WXSVEKI HIZMGIW MR GSRNYRGXMSR MXL SJJ EMV FVSEHGEWXMRK 1MWGIPPERISYW 6 1 MRXIVJEGI WYTTSVXMRK SRI FMX 6 1 7YTTSVXW 4 6 7YTTSVXW SQQSR RXIVJEGI JSV GSRHMXMSREP EGGIWW WYTTSVX SSXEFPI 74 MRXIVJEGI MXL WIVMEP JPEWL WYTTSVX 4EVEPPIP MRXIVJEGI...

Page 33: ...33 LC 24LE240 178 6 PSGO MEKVEQ 5 3 Reset Circuit Reset circuit using for initializing main Mstar IC Reset condition is high and normal working condition is low for RESET pin 5 2 MSTAR Block Diagram ...

Page 34: ...USB 2 0 interface One of them is used for Ethernet function the other one is used for USB connectivity for last user Last user can play video picture and audio files Also digital chan nels can be recorded to external storage device by this interface All SW files can be updated with interface USB circuit has 3 main parts Integrated USB 2 0 Host interface of D3K U5 Protection IC U145 Over Current Pr...

Page 35: ... YWIH XS GSRZI VS GSPYQR ERH FERO EHHVIWW MRJSVQEXMSR MR E 6 7 7 QYPXMTPI MRK WX PI SV I EQTPI F HIZMGI VIGIMZI EHHVIWWMRK 8LI F 6 HIZMGI STIVEXIW MXL E WMRKPI TS IV WYTTP ERH 5 8LI F 6 HIZMGI MW EZEMPEFPI MR FEPP ERH FEPP IEXYVIW y WXERHEVH 4S IV 7YTTP y 5 y 1 J JSV 1F WIG TMR y EROW y 4SWXIH 7 y 4VSKVEQQEFPI 7 0EXIRG y 4VSKVEQQEFPI HHMXMZI 0EXIRG y VMXI 0EXIRG 0 6IEH 0EXIRG 60 y YVWX 0IRKXL RXIV...

Page 36: ...36 LC 24LE240 4MRRMRK 8 3 Pinning ...

Page 37: ...SRRIGXIH XS XLMW GMVGYMX PP SJ XLIQ EVI STXMSREP EGGSVHMRK XS TERIPW 9 Scaler and LVDS Sockets 9 1 LVDS sockets Block Diagram 9 2 Panel Supply Switch Circuit This switch is used to open and close panel supply of TCON It is controlled by port of main ucontroller Also with this circuit panel sequency could be adjusted correctly 3 panel supplies are connected to this circuit All of the them are optio...

Page 38: ...EFPIH F 7 MRTYX 8LI 1 0 TVSZMHI WIUYIRXMEP VIEH STIVEXMSR SR LSPI GLMT JXIV TVSKVEQ IVEWI GSQQERH MW MWWYIH EYXS TVSKVEQ IVEWI EPKSVMXLQW LMGL TVSKVEQ IVEWI ERH ZIVMJ XLI WTIGMJMIH TEKI SV WIGXSV FPSGO PSGEXMSRW MPP FI I IGYXIH 4VSKVEQ GSQQERH MW I IGYXIH SR TEKI F XIW FEWMW ERH IVEWI GSQQERH MW I IGYXIW SR GLMT SV WIGXSV F XIW SV FPSGO F XIW 8S TVSZMHI YWIV MXL IEWI SJ MRXIVJEGI E WXEXYW VIKMWXIV...

Page 39: ...VEXMSRW 0EXGL YT TVSXIGXIH XS Q JVSQ XS GG 0S GG VMXI MRLMFMX MW JVSQ XS FWSPYXI 1E MQYQ 6EXMRKW 6 8 2 09 QFMIRX 3TIVEXMRK 8IQTIVEXYVI XS 7XSVEKI 8IQTIVEXYVI XS TTPMIH RTYX SPXEKI Z XS Z TTPMIH 3YXTYX SPXEKI Z XS Z XS VSYRH 4SXIRXMEP Z XS Z 4MRRMRK 4 2 734 QMP 7 1 30 7 6 48 32 7 LMT WIPIGX 7 7IVMEP EXE RTYX 73 7IVMEP EXE 3YXTYX 7 0 PSGO RTYX 30 SPH XS TEYWI XLI HIZMGI MXLSYX HIWIPIGXMRK XLI HIZMGI...

Page 40: ...MXLSYX GLERKMRK XLI JSSXTVMRX 8S I XIRH XLI PMJIXMQI SJ 2 2 JPEWL HIZMGIW MX MW WXVSRKP VIGSQQIRHIH XS MQTPIQIRX ER IVVSV GSVVIGXMSR GSHI 8LI YWI SJ GSVVIGXMSR EPPS W XS EGLMIZI YT XS TVSKVEQ IVEWI G GPIW JSV IEGL FPSGO VMXI TVSXIGX TMR MW EZEMPEFPI XS KMZI E LEVH EVI TVSXIGXMSR EKEMRWX TVSKVEQ ERH IVEWI STIVEXMSRW 11 NAND Flash Memory NAND512XXA2C U162 11 1 General Description MKL HIRWMX 2 2 JPEW...

Page 41: ...IE 7IVMEP RYQFIV YRMUYI STXMSR EVH EVI HEXE TVSXIGXMSR S 4VSKVEQ IVEWI PSGOIH HYVMRK TS IV XVERWMXMSRW EXE MRXIKVMX S TVSKVEQ IVEWI G GPIW MXL S IEVW HEXE VIXIRXMSR 6S 7 GSQTPMERX TEGOEKIW IZIPSTQIRX XSSPW S VVSV GSVVIGXMSR GSHI QSHIPW S EH FPSGOW QEREKIQIRX ERH IEV PIZIPMRK EPKSVMXLQW 11 3 Pinning ...

Page 42: ... R IEXYVIW RTYX 3TIVEXMSR 6ERKI 3YXTYX HNYWXEFPI JVSQ XS 2 9T XS JJMGMIRG YX GPI JSV 0S VSTSYX TTPMGEXMSRW 1 M IH 7 MXGLMRK VIUYIRG 7XEFPI MXL 0S 76 3YXTYX IVEQMG ETEGMXSVW 8LIVQEP 7LYXHS R GPI F GPI 3ZIV YVVIRX 4VSXIGXMSR 7LSVX MVGYMX 4VSXIGXMSR ZEMPEFPI MR TMR QQ 5 2 4MRRMRK 4MR 2EQI IWGVMTXMSR IIHFEGO MRTYX R I XIVREP VIWMWXSV HMZMHIV JVSQ XLI SYXTYX XS 2 XETTIH XS XLI TMR WIXW XLI SYXTYX ZSPXE...

Page 43: ...MTXMSR 338 SSXWXVET JSV LMKL WMHI KEXI HVMZIV SRRIGX E SV KVIEXIV GIVEQMG GETEGMXSV JVSQ 338 XS 7 TMRW 2 RTYX 7YTTP XS 1YWX F TEWW MXL E WYMXEFP PEVKI GIVEQMG GETEGMXSV 7 4LEWI 2SHI SRRIGX XS I XIVREP 0 JMPXIV TSWIH 4EH 2 VSYRH IIHFEGO RTYX TMR MW GSRRIGXIH XS XLI GSRZIVXIV SYXTYX X MW YWIH XS WIX XLI SYXTYX SJ XLI GSRZIVXIV XS VIKYPEXI XS XLI HIWMVIH ZEPYI ZME ER MRXIVREP VIW HMZMHIV SV ER EHNYWX...

Page 44: ...XTYX HNYWXEFPI JVSQ XS 9RHIV SPXEKI 0SGOSYX 4MRRMRK 4MR 2S 4MR 2EQI IWGVMTXMSR 338 MKL 7MHI EXI VMZI SSXWXVET RTYX 7 WYTTPMIW XLI HVMZI JSV XLI LMKL WMHI 2 LERRIP 137 8 W MXGL 2 4S IV RTYX VMZI 2 MXL E XS TS IV WSYVGI 7 4S IV 7 MXGLMRK 3YX MW XLI W MXGLMRK RSHI XLEX WYTTPMIW TS IV XS XLI SYXTYX 2 VSYRH IIHFEGO RTYX WIRWIW XLI SYXTYX ZSPXEKI ERH VIKYPEXIW MX VMZI MXL E VIWMWXMZI ZSPXEKI HMZMHIV JVS...

Page 45: ... WR DV VXUH RXWSXW YROWDJH DFFXUDF WR ZLWKLQ 7KH 0 VHULHV LV DYDLODEOH LQ 627 72 DQG 72 3 SDFNDJHV PLQLPXP RI WDQWDOXP FDSDFLWRU LV UHTXLUHG DW WKH RXWSXW WR LPSURYH WKH WUDQVLHQW UHVSRQVH DQG VWDELOLW HDWXUHV YDLODEOH LQ 9 9 9 9 9 DQG GMXVWDEOH 9HUVLRQV 6SDFH 6DYLQJ 627 3DFNDJH XUUHQW LPLWLQJ DQG 7KHUPDO 3URWHFWLRQ 2XWSXW XUUHQW P LQH 5HJXODWLRQ 0D RDG 5HJXODWLRQ 0D 7HPSHUDWXUH 5DQJH 0 WR 0 WR SS...

Page 46: ...al power dissipation in a very small footprint for applications where the larger packages are impractical 16 2 Features x 0D U 6 RQ Pȍ DW 9 6 4 5 V ID 4 0 A x 0D U 6 RQ Pȍ DW 9 6 2 5 V ID 3 2 A x Fast switching speed x Low gate charge 11nC typical x High performance trench technology for extremely low rDS on x SuperSOTTM 6 package small footprint 72 smaller than standard SO 8 low profile 1 mm thic...

Page 47: ... for battery power management applications 17 2 Features x 5 5 A 9 5 6 2 1 Pȍ 9 6 4 5 V x 5 6 2 1 Pȍ VGS 2 5 V x 5 6 2 1 Pȍ 9 6 1 8 V x Fast switching speed x High performance trench technology for extremely low RDS ON S 17 3 Pinning 18 Connectors 18 1 Scart SC1 17 FDC604P 17 1 General Description 17 2 Features 17 3 Pinning ...

Page 48: ...48 LC 24LE240 18 2 HDMI CN707 CN708 18 3 VGA CN711 ...

Page 49: ... SERVICE MENU SETTINGS 1 SERVICE MENU SETTINGS In order to reach service menu first press MENU then press the remote control code two times which is 4725 In first screen following item can be seen 1 1 Video settings ...

Page 50: ...50 LC 24LE240 1 2 Audio Settings 1 3 Options Options 1 ...

Page 51: ...51 LC 24LE240 Options 2 1 4 Tuning Settings ...

Page 52: ...52 LC 24LE240 1 6 USB Operations USB operations can not be used directly It can be used for updating panel tool hw configuration etc 1 5 Source Settings ...

Page 53: ...pdate_mb62 txt documents should copy directly inside of flash memory not in a folder 2 Put flash memory to the TV when TV is powered off 3 Power on the TV by main switch and press OK in remote control continuously during 3 4 sec onds Then led will start blinking red green quickly 4 If First Time installation screen comes it means software update procedure is successful ...

Page 54: ...KL MR STIR TSWMXMSR J MX MW PS TPIEWI GLIGO 5 ERH TERIP GEFPIW MQQMRK TMR WLSYPH FI LMKL SV WUYEVI EZI MR STIR TSWMXMSR J MX MW PS TPIEWI GLIGO 7 JSV 1WXEV WMHI ERH TERIP SV TS IV GEFPIW GSRRIGXSVW EGOPMKLX TS IV WYTTP WLSYPH FI MR TERIP WTIGW 4PIEWI GLIGO 2 JSV 1 VIPEXIH GSRRIGXSVW JSV TS IV WYTTP GEVHW TROUBLESHOOTING 1 No Backlight Problem Possible causes Backlight pin dimming pin backlight sup...

Page 55: ...QIGLERMGEP TSWMXMSRW SJ TMRW WYTTP WLSYP FI LIR QSHYPI MRWIVXIH J MX MW RSX TPIEWI GLIGO C43 6C 860 XLMW TMR WLSYPH FI PS 2 CI Module Problem Problem CI is not working when CI module inserted Possible causes Supply supply control pin detect pins mechanical positions of pins CI supply should be 5V when CI module inserted If it not 5V please check CI_POWER_CTRL this pin should be low ...

Page 56: ...56 LC 24LE240 Please check mechanical positions of CI module Detect ports should be low If it is not low please check CI connector pins CI module pins and 3V3_VCC on MB62 C ...

Page 57: ...W E WLSVX SR GG ZSPXEKIW 4VSXIGX TMR WLSYPH FI PSKMG LMKL LMPI RSVQEP STIVEXMSR LIR XLIVI MW E WLSVX GMVGYMX TVSXIGX TMR MPP FI PSKMG PS J SY HIXIGX PSKMG PS SR TVSXIGX TMR YRTPYK XLI 8 WIX ERH GSRXVSP ZSPXEKI TSMRXW MXL E QYPXMQIXIV XS JMRH XLI WLSVXIH ZSPXEKI XS KVSYRH 3 Led Blinking Problem ...

Page 58: ...58 LC 24LE240 4 IR Problem Problem LED or IR is not working Check LED card supply on MB62 chassis ...

Page 59: ...O 97 7YTTP X WLSYPH FI RIEVP 21 5 Keypad Touchpad Problems Problem Keypad or Touchpad is not working Check keypad supply and KEYBOARD pin on MB62 5 Keypad Touchpad Problems 6 USB Problems Problem USB is not working or no USB detection Check USB Supply It should be nearly 5V ...

Page 60: ... Check HP detect pin when headphone is connected Check 5V_VCC and 3V3_VCC with a voltage meter 7 No Sound Problem Problem No audio at main TV speaker outputs Check supply voltages of VDD_AUDIO 5V_VCC and 3V3_VCC with a voltage meter There may be a problem in headphone connector or headphone detect circuit when headphone is connected speakers are automatically muted Measure voltage at HP_DETECT pin...

Page 61: ...dditionally it is good to check SW printouts via hyper terminal or Teraterm These printouts may give a clue about the problem 9 Standby On Off Problem Problem Device cannot boot TV hangs in standby mode 10 No signal Problem Problem No signal in TV mode Check tuner supply voltage 3V3_TUN Check tuner options are corretly set in Service menu Check AGC voltage at IF_AGC pin of tuner ...

Page 62: ...62 LC 24LE240 Notes ...

Page 63: ...1B2 9 B 8 2B3 5 7 B B B3 KDQQHOB 1 9 B67 7 B B B1 KDQQHOB 67 B21B2 9 B9 1 KDQQHOB 1 9 B9 7 B B B3 KDQQHOB 1 1 7 B B B1 KDQQHOB 1 1 7 B B B3 KDQQHOB 7 B B B1 7 B B B3 7 B B B1 1 7 B B B3 7 B B B1 7 B B B3 7 B B B1 7 B B B3 7 B B B1 1 1 1 5B 1 9B67 1 5B 1 9B67 1 1 3 32 5 2 5 63 5 5 7 21 219 57 5 2 5 3 3 63 5 7 5 2 5 0 0 1 2 5 3 1 7 21 2 5 5B 8 2B3 B 8 2B3 B 8 2B3 B 8 2B1 3 1 19 57 5 2 5 02 0 1 2 5 3...

Page 64: ...2F 50V 33pF C35 50V 50V 1nF C19 10k R4 L1 4n7H IF_AGC_TUNER 47R R1583 1 2 3 4 5 6 7 8 R4 R1 R3 R2 TS_MDI3 TS_MDI2 TS_MDI1 TS_MDI4 TS_MDI5 TS_MDI6 TS_MDI7 3V3_S2_VDDA 10pF C8 10pF C9 S2_IN C30 16V 10nF 10nF C31 16V C32 10nF 16V S2_QN 10pF C10 C11 10pF S2_QP 3V3_S2_VDDD 10V C38 100nF 1V25_S2_VDDI 1V25_S2_VDDI 3V3_S2_VDDA 10V C36 100nF 100nF C37 10V SDA_S2_TUN SCL_S2_TUN R13 4k7 1 2 4k7 R14 1 2 3V3_S...

Page 65: ...0nF C5V6 D171 3n3F C856 50V F202 600R 1 2 CDA4C16GTH D2 1 2 3 4 5 6 7 8 4n7F 50V C858 SC_AUD_R_OUT D1 CDA4C16GTH 1 2 3 4 5 6 7 8 C853 50V 3n3F C835 50V 220pF 1 2 C833 50V 220pF 1 2 3n3F C854 50V SC_AUD_R_IN 600R F206 1 2 C831 220pF 50V 1 2 100R R1245 1 2 F201 600R 1 2 SCART_AUD_R_IN SCART_AUD_L_IN RX SCL_SC TX SDA_SC C836 220pF 50V 1 2 75R R1482 1 2 SC_CVBS_OUT C832 50V 220pF 1 2 R1182 4k7 1 2 SC_...

Page 66: ... R1953 4k7 3V3_VCC CI_POWER_CTRL 50V C969 12pF C687 10V 220nF R1496 4k7 3V3_VCC R1660 4k7 1 2 33R R1942 6V3 22uF C970 BACKLIGHT_ON OFF R344 1k2 33k R1605 R1604 33k R1607 18k 18k R1606 HDMI1_5V HDMI0_5V BC848B Q181 1 2 3 R1661 4k7 1 2 R1662 1k2 3V3_VCC S81 U162 NAND512 A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ...

Page 67: ...R C1184 50V 4n7F 220k R1898 DSP_MAIN_R DSP_MAIN_L MAIN_L MAIN_R R1904 10k R1919 12k 470pF C1190 50V 10k R1903 R1918 12k SC_AUD_L_IN 10k R1901 12k R1920 470pF C1188 50V SAV_L_IN C1189 50V 470pF SC_AUD_R_IN 470pF 50V C1187 SAV_R_IN R1921 12k 10k R1902 SCART_AUDIO_IN_R SCART_AUDIO_IN_L SAV_AUDIO_IN_L SAV_AUDIO_IN_R 22k R1925 1 2 R1924 22k 1 2 SC_R_OUT SC_L_OUT 50V 100pF C1186 DSP_SCART_L DSP_SCART_R ...

Page 68: ...C1032 16V HP_R D203 C5V6 Q210 2N7002 1uF 25V C1074 6V3 C1078 1uF AMP_EN C1172 16V 10nF F296 60R R623 4k7 VDD_AUDIO R1855 10k 1 2 R817 100R BC848B Q133 1 2 3 100R R818 VDD_AUDIO 10V 220nF C602 L_AUDIO_P_OUT L_AUDIO_N_OUT MAIN_L 4k7 R624 C665 100nF 10V 1 2 10V 220nF C608 AMP_EN VDD_AUDIO 3V3_VCC 10k R1309 10k R616 3V3_STBY L_AUDIO_N L_AUDIO_P R_AUDIO_N PT2333 U164 C3 C2 C1 B3 B2 B1 A3 A2 A1 INP GNDA...

Page 69: ...PIN45 R65 33k OP_PIN27 BACKLIGHT_ON OFF PANEL_VCC R54 10k 1 2 33k R66 CI_POWER_CTRL R1671 4k7 1 2 4k7 R1672 1 2 R1952 4k7 1 2 LED1 LED2 3V3_STBY 3V3_STBY OP_PIN11 PANEL_VCC 10k R55 1 2 R67 33k MEGA_DCR_IN OP_PIN8 S2 MEGA_DCR_OUT PANEL_VCC 33k R72 R56 10k 1 2 OP_PIN9 OP_PIN10 PANEL_VCC 10k R57 1 2 33k R68 33k R69 OP_PIN7 PANEL_VCC 10k R58 1 2 R70 33k OP_PIN6 PANEL_VCC R59 10k 1 2 33k R71 OP_PIN5 PA...

Page 70: ... F A3 PROJECT NAME VESTEL SCH NAME DRAWN BY T SHT VDDC_1V2 C68 50V 15nF 15k R43 C12 220nF 25V D7 1N4001 LNB_OUT C70 470nF 25V 3V3_VCC R19 10k F295 1k SK24 D8 C13 220nF 25V 16V C997 100nF SDA_SYS SCL_SYS 3V3_VCC 100nF 16V C1005 C14 25V 220nF C1070 16V 100nF C1004 16V 100nF LNBH23L U6 27 4 19 18 6 9 14 29 30 22 13 21 11 12 1 2 3 7 8 16 17 23 24 25 26 31 32 10 15 28 5 20 A_GND P_GND I_SEL BYP ADDR NC...

Page 71: ...39k R1686 1V2_VCC 10nF C1113 16V 1 2 5n6F C1131 50V 1 2 60R F273 1 2 R1710 3k9 1 2 R1720 100R 1 2 33k R1731 1 2 C1048 220nF 25V 1 2 47R R1723 1 2 12V_STBY Q183 BC848B 1 2 3 3V3_STBY 22k R1735 R1730 10k 5V_STBY MOSFET_CONTROL 3V3_VCC L118 15uH 1 2 1k R1768 C1084 16V 22uF R1737 33k C1035 100nF 10V 1 2 C1080 6V3 100uF 1 2 R1709 3k9 1 2 5n6F 50V C1130 1 2 16V 10nF C1112 1 2 D197 SS33 1 2 MP1583 U174 5...

Page 72: ...72 LC 24LE240 POWER SUPPLY Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...

Page 73: ...73 LC 24LE240 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A Led Converter Diagram ...

Page 74: ...74 LC 24LE240 PRINTED WIRING BOARD Main Board 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...

Page 75: ...R NBJT BC848B 0 1A 30V SOT23 ROHS G ͲͲ Q209 30069749 TR NMOS BSH105 1 05A 20V SOT23 ROHS G ͲͲ Q210 30010733 TR NMOS 2N7002 0 115A 60V SOT23 ROHS G ͲͲ D1 30070436 DIODE SMD ARRAY ESD CDA4C16GTH 0508 RoHS G ͲͲ D165 30042066 DIODE SMDSCH1N5819 1A 40V 25A SOD123ROHS G ͲͲ DIODES 65 3004 066 IO SM SCH N58 9 A 40V 5ASO 3ROHS G D171 30038480 DIODE SMD ZEN C5 6V SOD123 ROHS G ͲͲ D178 30038478 DIODE SMD ZEN...

Page 76: ...ͲͲ C1093 30047296 CAP SMD 22UF 6 3V M X5R 0805 ROHS G ͲͲ C1094 30047296 CAP SMD 22UF 6 3V M X5R 0805 ROHS G ͲͲ REF No PARTS DESCRIPTION PRICE CODE C1096 30047296 CAP SMD 22UF 6 3V M X5R 0805 ROHS G ͲͲ C1097 30047296 CAP SMD 22UF 6 3V M X5R 0805 ROHS G ͲͲ C1098 30047296 CAP SMD 22UF 6 3V M X5R 0805 ROHS G ͲͲ C1101 30047296 CAP SMD 22UF 6 3V M X5R 0805 ROHS G ͲͲ C1107 30050554 CAP SMD 1UF 6 3V M X5R...

Page 77: ...02 ROHS G ͲͲ C856 30022336 CAP SMD 3 3NF 50V J X7R 0402 ROHS G ͲͲ C857 30022338 CAP SMD 4 7NF 50V J X7R 0402 RoHS G ͲͲ C858 30022338 CAP SMD 4 7NF 50V J X7R 0402 RoHS G ͲͲ C859 30030099 CAP SMD 1NF 50V K X7R 0402 ROHS G ͲͲ REF No PARTS DESCRIPTION PRICE CODE C860 30022240 CAP SMD 47PF 50V J COG 0402 ROHS G ͲͲ C861 30030099 CAP SMD 1NF 50V K X7R 0402 ROHS G ͲͲ C862 30030099 CAP SMD 1NF 50V K X7R 04...

Page 78: ...SMD 1 16W 4 7K J 0402 RoHS G ͲͲ R1496 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G ͲͲ R1505 30022003 RES SMD 1 16W 470R J 0402 ROHS G ͲͲ R1512 30022085 RES SMD 1 16W 33R J 0402 RoHS G ͲͲ REF No PARTS DESCRIPTION PRICE CODE R1513 30022085 RES SMD 1 16W 33R J 0402 RoHS G ͲͲ R1514 30022085 RES SMD 1 16W 33R J 0402 RoHS G ͲͲ R1515 30022118 RES SMD 1 16W 75R J 0402 RoHS G ͲͲ R1516 30022118 RES SMD 1 16W 7...

Page 79: ...ROHS G ͲͲ R1903 30021996 RES SMD 1 16W 10K J 0402 ROHS G ͲͲ R1904 30021996 RES SMD 1 16W 10K J 0402 ROHS G ͲͲ REF No PARTS DESCRIPTION PRICE CODE R1907 30021991 RES SMD 1 16W 100R J 0402 ROHS G ͲͲ R1908 30022056 RES SMD 1 16W 220R J 0402 RoHS G ͲͲ R1909 30022041 RES SMD 1 16W 1K F 0402 ROHS G ͲͲ R1912 30022041 RES SMD 1 16W 1K F 0402 ROHS G ͲͲ R1913 30022084 RES SMD 1 16W 33K J 0402 RoHS G ͲͲ R191...

Page 80: ...G ͲͲ CN706 30066827 CONN FEMALE HEADER 2x10P 2 54 SIDE ROHS G ͲͲ CN707 30070082 SOCKET HDMI 19P 0 5MM TOP PIP ROHS G ͲͲ CN710 30066919 CONN HEADER 6P 2 0MM SIDE W LOCK RoHS G ͲͲ CN711 30071149 SOCKET DͲSUB 15P TOP PIP SHIELD RoHS G ͲͲ FS4 30064145 FUSE SAFE SMD 2A 63VDC UF 1206 RoHS G ͲͲ FS5 30062423 FUSE SAFE SMD 4A 32VDC UF HMELT 1206RoHS G ͲͲ JK1 30071260 JACK HEADPHONE GREEN 3 POLE SIDE PIPROH...

Page 81: ...7 19 22880 MB25 SHA RED GR 40046969 LENS COSMETIC 24942 LED PC I V0 20569443 30070537 TFT 24FHD50HZ ELED CMO V236H1 LE4 SPK AS 22942 LED R L MB60 6P BL SHA 20567355 45010310 BC 24942L DV 60 G R LA LN WO D K PCA ISH FR_24_LED_DVD_MB60_PW80 20569417 ROC SW AS MB60_22942_SHARP 20596550 FOOT ASSY 19942 GL BLK_SHARP 20565343 MD ASY 17LD98 7 19942 MB25 ...

Page 82: ...BRACKET IO MB60S M4 VER5 I ABSV0 SHARP Side Bracket G 20571033 CN A FFC 30P 300 P 1MM LVDS 24942LE MB60 LVDS FFC cable G 23038834 CN A FFC 12P 500 24 Led Backlight Panel converter cable G 23027348 ARTWORK SHARP LC 24LE240E Instruction Book G 23027364 ARTWORK SHARP LC 24LE240EK Instruction Book G 23027361 ARTWORK SHARP LC 24LE240EV Instruction Book G 30070136 PWR CORD SAFE EU 1800 70 W GR H 3P ROHS...

Page 83: ...83 LC 24LE240 NOTES ...

Page 84: ...wise without prior written permission of the publisher SHARP CORPORATION AV System Group SHARP ELECTRONICA ESPAÑA S A Service Manual Group Engineering Dept WTC Almeda Park Pl de la Pau s n Ed 6 PB 08940 Cornellà de Llobregat Barcelona Spain COPYRIGHT 2012 BY SHARP CORPORATION ALL RIGHTS RESERVED Technical information and Production Vestel Electronik AS Technical information re issued ...

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