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Sharp Lc 60le920 Service Manual

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[2]PUBLICMODESETTINGPROCEDURE 
1.HowtostartPublicMode 
•Therearethefollowing3waystogetthepublicmodesetupscreendisplayed. 
Intheadjustmentprocessmode,turnonPUBLICMODE 
1)PlugACcordandturnontheTV. 
2)Afterpicturedisplayed,touchthePOWERkeyfor5seconds. 
NOTE:Picturewilldisappearwhenyoutouchthepowerkey,butkeeptouchingit. 
3)WhenthecentericonLEDblinks,releaseyourfingerfromthepowerkey. 
4)Next,touchthePOWERkeywiththeCH(/-_)keyandVOL(+)keytouching. 
5)WhenthecentericonLEDturnson,releaseyourfingerformthekeys. 
®Itssameas(_from1)to3) 
4)Next,touchthePOWERkeywiththeINPUTkeyandCH(/-,-)keytouching. 
5)WhenthecentericonLEDturnson,releaseyourfingerformthekeys. 
6)Getthepasswordinputscreendisplayed. LC-52LE920UN/LC-60LE920UN 
Procedure 
,,Theinputstartswiththeleftmostdigit. 
•Usethenumerickeys[1]thru[9]and[0]keysontheremotecontroller. 
Theotherkeysarenotacceptable. 
•Withanumeric-keyinput,-willchangeto_. 
Theinputpositionwillmoveonedigittotheright. 
•Withallthe3digitsentered,thepasswordwillbeverified. 
7)The3-digitpasswordisnowverified. 
Thepassword[0][2][7]providesforthepublicmodescreen.(Thisscreencomesonwithwhateveradjustmentprocesssettings.) 
Withanyotherpasswords,thescreenchangestothenormalmode. 
2.HowtoexitPublicMode 
Therearethefollowingwaystoquitthepublicmodesetupscreen. 
•TurnoffPUBLICMODEintheadjustmentprocessmode.(-#)_Thiswayaloneisnotforquittingthesetupscreen,butforquittingthemodeitself. 
•TurnoffthepowerwiththePOWERkey.(-k) 
•SelectEXECUTE.(-k) 
-k...PUBLICMODEstaysonintheadjustmentprocessmode. 
#...Thesettingswillbebacktothefactoryones. 
3.PublicModeSettingValues 
•Withthefactorysettingsmade,thepublicmodesettingsgetinitialized.(Theadjustmentprocessremainsintact.) 
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LC-52LE920UN/LC-60LE920UN 
4.PublicModeMenu 
Theguidanceisnotdisplayedonscreen. 
Setupprocedure 
•Tomovethecursorupanddown,usethecursorUP/DOWNkey(remotecontroller)andCH(_)/(V)key(remotecontrollerandset). 
•Tochangethesettings,usethecursorRIGHT/LEFTkey(remotecontroller)andVOL(+)/(-)key(remotecontrollerandset). 
•Tosavenewsettings,keepthecursoratEXECUTEanduseENTERkey(remotecontrollerandset). 
PUBLICMODE 
POWERONFIXED[VARIABLE 
MAXIMUMVOLUME[60 
VOLUMEFIXED[VARIABLE 
VOLUMEFIXEDLEVEL[20 
RCBUTTON[RESPOND 
PANELBUTTON[RESPOND 
MENUBUTTON[RESPOND 
AVPOSITIONFIXED[VARIABLE 
ONSCREENDISPLAY[YES 
INPUTMODESTART[NORMAL 
INPUTMODEFIXED[VARIABLE 
LOUDSPEAKER[ON 
RC_PATH_THROUGH[OFF 
232CPOWON[DISABLE 
PUBLICMODE[OFF 
RESET 
EXECUTE ] 
] 
] 
] 
] 
] 
] 
] 
] 
] 
] 
] 
] 
] 
] 
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5.OnSettingItems 
*EZ-SETUPdiscussedbelowindicatesEZ-SETUPafterthefirstpower-on. LC-52LE920UN/LC-60LE920UN 
1)POWERONFIXED 
SelectionSelectionbetweenVariableandFixed(loopprovided) 
Default-(Variable) 
ExplanationInFixedsetting,thepower-offbythepowerkeyoftheunitisinvalidatedandtheimageiskeptbeingreceived.Thepowercan 
beturnedoffbystoppingthepowersupplyfromAC. 
LimitinSettingRefertothePower-OnFixedsheet. 
ExceptionNone 
Remarks•InVariablesetting,thepoweroperationisinwaitfor1sec.andthenturnedoffwhenthemainpowerswitchisoff. 
2)MAXIMUMVOLUME 
SelectionAdjustmentfrom0to60(noloop) 
Default60 
ExplanationSoundvolumecannotbeadjustedhigherthanthepresetvalue. 
LimitinSetting•Whenthesoundvolumeissetlowerthan59,onlyfiguresaredisplayedandthesoundvolumebarisnotdisplayed. 
•ThemaximumsoundvolumeforON-timer(Wakeuptimer)islimitedalsotothepresetvalue. 
Exception 
Remarks•WhenthesoundvolumeissethigherthantheMAXsettingbytheadjustingprocess,thesoundvolumecontroloperationis 
prohibitedforturn-upandthesoundvolumeshouldbeturneddowntoMAXinthisstate. 
3)VOLUMEFIXED 
SelectionSelectionbetweenVariable,Fixed,ACON(ACCTRL)andAC/RCON(AC/RCCTRL)(loopprovided) 
DefaultVariable 
Explanation•FIXED:Fixedattheleveladjustedforafixedvolume. 
•ACCTRL:Start-upatthelevelspecifiedforafixedvolumeatACON. 
•AC/RCCTRL:Start-upatthelevelspecifiedforafixedvolumeatstart. 
LimitinSetting•ThesoundvolumefortheON-timer(Wakeuptimer)isfixedalsowithoutdisplayofmenu.Besides,thesettingismade 
impossible.(Basically,themenuisnotdisplayed.) 
•Thefollowingkeysbecomeinvalid: 
•SoundvolumeUp/Down(VOL+!-)[forbothremotecontrolandtheunit] 
•Mute(MUTE) 
Exception•IntheitemVOLUMEofadjustmentprocess,thesoundvolumecanbesetfreelyirrespectiveofthissetting. 
Remarks•AsforsoundvolumefixingandsoundvolumeMAXlevel,thesoundvolumefixinghaspriority. 
•Oncethesoundvolumehasbeenchangedbyadjustmentprocess,itshouldbesetbacktothesoundvolumepresetby 
soundvolumefixinglevelwhentheadjustmentprocessends. 
4)VOLUMEFIXEDLEVEL 
SelectionAdjustmentfrom1to60(noloop) 
Default20 
ExplanationThesoundvolumetobefixedbyVolumefixedisdetermined. 
LimitinSettingNone 
ExceptionNone 
RemarksSettingisvalidonlywhenVolumefixedisselectedforfixed. 
5)RCBUTTON 
SelectionSelectionbetweenRespond,NoRespondandLimited(loopprovided) 
DefaultRespond 
ExplanationMakingtheremotecontrollersettings. 
•AttheNoRespondsetting,theremotecontrollerkeysaredisabled.Itspowerkey(reception/standbykey)isdisabledtoo. 
•AttheLimitedsetting,somechannel-relatedkeysaloneareoperative.Alltheotherremotecontrollerkeys(power,volume 
•!V,channel•!V,lightcontrol(brightnesssensor),broadcastselect)areinoperative. 
LimitinSetting_InNorespondsetting,allthekeys(includingthepowerkey)arenotaccepted. 
Exception•Adjustmentprocess,inspectionprocessandhotelonlykeysarevalidirrespectiveofsetting. 
•Allthekeyscanbeusedinadjustmentprocess,inspectionmodeandhotelmenuirrespectiveofsetting. 
Remarks 
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LC-52LE920UN/LC-60LE920UN 
6)PANELBUTTON 
SelectionSelectionbetweenRespondandNorespond(loopprovided) 
DefaultRespond 
ExplanationAlltheoperationsbykeys(exceptthepowerkey)oftheunitcanbeinvalidated. 
LimitinSetting 
Exception•Adjustmentprocess,inspectionmodeandhotelmenumodecanbestartedirrespectiveofsetting. 
•Allthekeyscanbeusedinadjustmentprocess,inspectionmodeandhotelmenuirrespectiveofsetting. 
Remarks 
7)MENUBUTTON 
SelectionSelectionbetweenRespondandNorespond(loopprovided) 
DefaultRespond 
ExplanationInNorespondsetting,themenuoperationbythemenukeyoftheremotecontrolandthemenukeyoftheunitareinvali- 
dated. 
LimitinSetting 
Exception•Adjustmentprocess,inspectionmodeandhotelmenumodecanbestartedirrespectiveofsetting. 
•Allthekeyscanbeusedinadjustmentprocess,inspectionmodeandhotelmenuirrespectiveofsetting. 
Remarks 
8)ONSCREENDISPLAY 
Selection 
Default 
Explanation 
LimitinSetting 
Others 
Exception 
Remarks 
9)INPUTMODESTART SelectionbetweenYes,No(loopprovided) 
Yes 
•AttheNosetting,thefollowingitemsarenotdisplayedonscreen:register,setting,adjustmentmenu,channelcallandvol- 
umebar. 
Onthewide-screenmodels,aninputselectionisimmediatelymadebecausethemenuisnotdisplayed. 
•AttheLimitedsetting,someitemscannotbedisplayedonscreen. 
OntheJapan-destinedmodels,thechannelcallMessagealonecannotbedisplayed.(Thisisbecausethechannelcallmes- 
sagemaybeconfusedwithamessagebeingsentfromthehotel.) 
OntheNorthAmerica-destinedmodels,theOSDworksthesameasattheNosetting. 
•Keysfallingunderanyofthefollowingitemsbecomeinvalid. 
_Appearanceofscreenchangesandthesoundchanges. 
_2bPersonalfunctionswhicharehardtorestore. 
Screendisplay,menu,OFF-timer,ON-timer,AVMODE,screensizeswitching,clocksetting,trebleemphasis,AUDIOONLY, 
soundchangeover,LANGUAGE,CLOSEDCAPTION 
•Simpleinputswitchingisgenerated.Thosewhicharerestoredsoonafterleavingastheyareandmayberequestedfor 
changebycustomerarenotprohibited. 
Brightnesssensor(BACKLIGHT)andPIC.FLIP 
•Suchacautionwhichisdisplayedindependentlyisdisplayedasitis. 
Non-respondingsignalcaution 
•WhenCChasalreadybeenON,CLOSEDCAPTIONisdisplayed. 
SelectionSelectionbetweenNormal,Air(_),INPUT1/2/3,PC,HDMI1/2/3/4/5,DVI(loopprovided) 
DefaultNormal 
ExplanationInpower-ON,theinputsourcetobestartedorchannelcanbeset. 
(Instandardmode,theoperationfollowsthelastmemory.) 
Aboutoptions•Alltheinputsourcesinthemodelaremadeselectable. 
•InTVmode,thechanneltobesetfollowsthelastmemoryandthecontentofthelastmemoryisincludedinthenotationby 
options.Ex.)Air(2),Cable(98.1)etc. 
LimitinSetting•Thedisplayofchannelsettingmenuandthechannelsettingoperationareprohibited. 
Exception 
Remarks•InsettingatNormal,thesettingofInputmodefixedischangedtoVariableandselectionshouldbeprohibited. 
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LC-52LE920UN/LC-60LE920UN 
10)INPUTMODEFIXED 
Selection 
Default 
Explanation 
LimitinSetting 
Exception 
Remarks 
11)RC_PATH_THROUGH 
SelectionSelectionbetweenOFF,ON:TVRCEandON:TVRCD(loopprovided) 
DefaultOFF 
ExplanationFunctiontofeedtheremotecontroller-receivedsignaltoPin9(open)ontheRS232C. 
LimitinSettingNone 
ExceptionNone 
RemarksNone 
12)AVPOSITIONFIXED 
SelectionSelectionbetweenVariableandFixed(loopprovided) 
DefaultVariable 
ExplanationIncaseofFixedsetting, 
-MenuPictureandAudiosettingcantbechangedlikeDynamic(Fixed). 
-WhenAVModekeyispressed,TVjustdisplayscurrentAVMode(cannotbechanged.). 
LimitinSettingNone 
ExceptionNone 
Remarks•WhenreceivingwithAVPositionkey,OPC,Dolbykeyandotherdirectaudioselectkeys,thecurrentdisplaystaysonandno 
settingcanbechanged. 
•Evenbyinitializingpersonalinformation,thehotel-modesettingsarekeptintact.Inthisway,theAVpositions,videoand 
audioadjustmentsettingsarenotinitialized. 
13)LOUDSPEAKER(ON/OFF) 
SelectionSelectionbetweenONandOFF(loopprovided) 
DefaultON 
ExplanationIfOFFisselected,TVstopsSpeakeroutputevenwithoutHeadphoneconnected. 
LimitinSettingNone 
ExceptionNone 
Remarks•PressthevolumeUP/DOWNkey,andthemuteiconappearsfor4seconds. 
•Themutekeyandaudio-relatedkeysaredisplayedwithcaution. 
•Usually,theheadphonesandmonitoraudiooutputscanbeadjustable. 
14)232CPOWON 
SelectionSelectionbetweenDisableandEnable(loopprovided) 
DefaultDisable 
ExplanationInthestandbymode,thepower-onbythe232Ccommandisenabledordisabled. 
LimitinSettingNone 
ExceptionNone 
RemarksNone  SelectionbetweenVariable,Fixed,ACON(ACCTRL)andAC/RCON(AC/RCCTRL)(loopprovided) 
-(Variable) 
•AttheFixedsetting,theTVsetgetsstartedwiththesettingsofInputmodestart,andthenanyotherchannelsandinputs 
arenotaccepted. 
•AttheACON(ACCTRL)setting,theTVsetgetsstartedwiththesettingsofInputmodestartunderACcontrol. 
•AttheAC/RCON(AC/RCCTRL)setting,theTVsetgetsstartedwiththesettingsofInputmodestartundereithercontrol. 
•Withtheexecutionofhotelmode,theinputsourceisforcedtochangetothatsetbyInputmodestartandthechannel 
switchingandinputswitchingareprohibitedthereafter. 
•ON-timers(Wake-uptimer)channelitemsarenotdisplayedortheoperationisprohibited.(Basically,theyarenotdisplayed.) 
•Thefollowingkeysareinvalidated. 
CH•/V,directtuningbutton,FLASHBACK,input 
However,thekeys(inputswitchingandCH•/•keys)oftheunitformenuoperationremainvalid. 
None 
•Inthefollowingcase,settingiscancelledandmodeischangedtoVariable. 
_WhenthesettingofInputmodestartissettoNormal. 
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LC-52LE920UN/LC-60LE920UN 
15)PUBLICMODE(ON!OFF) 
SelectionSelectionbetweenONandOFF(loopprovided) 
DefaultOFF 
ExplanationIncaseofON,publicmodesettingsareeffected. 
LimitinSettingNone 
ExceptionNone 
RemarksThepublic-modesettingsareoperableonlywhenthisitemissetatON. 
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CHAPTER6.TROUBLESHOOTINGTABLE LC-52LE920UN/LC-60LE920UN 
[1]TROUBLESHOOTINGTABLE 
INOvide°11)I 
ICOMPOSITE:NoexternalinputvideoIINPUT-2]........I 
[IsINPUT-2selectedontheinputselectmenuscreen?] 
JNO 
SelectINPUT-2ontheinputselectmenu 
screenfortherightinputsignal. 
YES 
IstheretheCOMPOSITEsignalinputatpin(AE29)ofIC3302 
(CPU)? 
_NO 
[Checkthelinebetweenpin(3)°fJ505andpin I(AE29)ofIC3302. 
YES 
AretheLVDSsignaloutputsattheLVDS1stchanneland2ndchannelofIC3302? 
LVDSTX0DATA0_P/N(C14/D14),LVDSTX0DATAI_P/N(C15/D15), 
LVDSTX0DATA2_P/N(C16/D16),LVDSTX0DATA3_P/N(C18/D18), 
LVDSTX0DATA4_P/N(C19/D19),LVDSTX0CLKP/N(C17/D17), 
LVDSTX1DATA0_P/N(A14/B14),LVDSTX1DATAI_P/N(A15/B15), 
LVDSTX1DATA2_P/N(A16/B16),LVDSTX1DATA3_P/N(A18/B18), 
LVDSTX1DATA4_P/N(A19/B19),LVDSTX1CLK_P/N(A17/B17). NO 
CheckIC3302anditsperipheralcircuits. 
(IC3501/IC3502,etc.) 
_YES 
[Checkthepanelmodule. 
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LC-52LE920UN/LC-60LE920UN 
INovideo12)I 
ICOMPONENT:NoexternalinputvideoIINPUT-1]....I 
IsINPUT-]selectedontheinputselectmenuscreen? 
IstheINPUT-SELECTfortheinputsignal? 
_NO 
SelectINPUT-]ontheinputselectmenuscreenfor 
therightinputsignal. 
DoestheCOMPI_PLUGdetectionfunction? 
Checkthelinebetweenpin(4)ofinputterminal(J506) 
andpin(D30)ofIC3302(CPU). 
YES 
AretheretheCOMPONENTvideosignalinputsatpins(AJ21)(Y)/ 
(AJ22)(Pb)and(AH22)(Pr)ofIC3302(CPU)? 
_NO 
CheckthelinebetweentheinputterminalsofJ506 
andIC3302. 
(_J506pin(5)(Y)pin(6)(Pb)pin(7)(Pr) 
_1C3302pin(AJ21)pin(AJ22)pin(AH22) 
YES 
AretheLVDSsignaloutputsattheLVDS1stchanneland2ndchannelof 
IC3302? 
LVDSTX0DATA0_P/N(C14/D14),LVDSTX0DATAI_P/N(C15/D15), 
LVDSTX0DATA2_P/N(C16/D16),LVDSTX0DATA3_P/N(C18/D18), 
LVDSTX0DATA4_P/N(C19/D19),LVDSTX0CLKP/N(C17/D17), 
LVDSTX1DATA0_P/N(A14/B14),LVDSTX1DATAI_P/N(A15/B15), 
LVDSTX1DATA2_P/N(A16/B16),LVDSTX1DATA3_P/N(A18/B18), 
LVDSTX1DATA4_P/N(A19/B19),LVDSTX1CLK_P/N(A17/B17). 
_YES 
[Checkthepanelmodule. NO 
CheckIC3302anditsperipheralcircuits. 
(IC3501/IC3502,etc.) 
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LC-52LE920UN/LC-60LE920UN 
I.ovideo13)I 
INovideoatUHFNHFbroadcastsi_lnalreceptionI 
IIsthespecifiedTVsignalselectedontheinputselectmenuscreen? INovideoatdi_litalbroadcastsi_lnalreceptionI 
I 
Istheretheanalogvideosignaloutput(VIDEO)atpin(15)oftuner 
(TUl102)? Aretherethevideosignaloutputs(IF_P/N)atthepins(9)and(10)of 
tuner(TUl102)? 
_NO 
CheckTUl102anditsperipheralcircuits 
(TUN_SDA:Pin6ofTUl102 
TUN_SCL:Pin7ofTUl102,etc.). 
YES 
Istheretheanalogvideosignalinputatpin(AD29)ofIC3302 
(CPU)? _rNO 
CheckTUl102anditsperipheralcircuits 
(TUN_SDA:Pin6ofTUl102 
TUN_SCL:Pin7ofTUl102,etc.). 
YES 
Aretherethevideosignalinputsatpin(AA29)and(AB29)ofIC3302 
(CPU)? 
_NO 
CheckthelinebetweenIC3302andTUl102, 
andtheirperipheralcircuits. 
YESYES 
AretheLVDSsignaloutputsattheLVDS1stchanneland2ndchannelofIC3302? 
LVDSTX0DATA0_P/N(C14/D14),LVDSTX0DATAI_P/N(C15/D15), 
LVDSTX0DATA2_P/N(C16/D16),LVDSTX0DATA3_P/N(C18/D18), 
LVDSTX0DATA4_P/N(C19/D19),LVDSTX0CLKP/N(C17/D17), 
LVDSTX1DATA0_P/N(A14/B14),LVDSTX1DATAI_P/N(A15/B15), 
LVDSTX1DATA2_P/N(A16/B16),LVDSTX1DATA3_P/N(A18/B18), 
LVDSTX1DATA4_P/N(A19/B19),LVDSTX1CLK_P/N(A17/B17). _NO 
CheckthelinebetweenIC3302andTUl102,and 
theirperipheralcircuits(Cl129/Cl130,etc.). 
NO 
CheckIC3302anditsperipheralcircuits. 
(IC3501/IC3502,etc.) 
_YES 
[Checkthepanelmodule. 
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LC-52LE920UN/LC-60LE920UN 
I.ovideo14)I 
IPC:Noexternalinputvideo[INPUT-3]I 
IIsINPUT-3selectedontheinputselectmenuscreen?I 
_NO 
SelectINPUT-3ontheinputselectmenuscreenfortherightinputsignal. 
IsIC509(EEPROM)accessedby12C,withPCconnected,toreadtheDDC_I2CSCL/SDAdata? 
ChecktheDDClineanditsperipheralcircuits.(IC509anditsperipherals). 
YES 
Aretherethevideosignalinputsatpins(AK16)(G),(AH15)(B)and(AK17)(R)ofIC3302(CPU)? 
AretheretheVSYNC/HSYNCsignalinputsatpins(AJ14)and(AK14)ofIC3302? 
_NO 
ICheckthelinebetweenSC501andIC3302. 
l 
YES 
AretheLVDSsignaloutputsattheLVDS1stchanneland2ndchannelofIC3302? 
LVDSTX0DATA0_P/N(C14/D14),LVDSTX0DATAI_P/N(C15/D15), 
LVDSTX0DATA2_P/N(C16/D16),LVDSTX0DATA3_P/N(C18/D18), 
LVDSTX0DATA4_P/N(C19/D19),LVDSTX0CLKP/N(C17/D17), 
LVDSTX1DATA0_P/N(A14/B14),LVDSTX1DATAI_P/N(A15/B15), 
LVDSTX1DATA2_P/N(A16/B16),LVDSTX1DATA3_P/N(A18/B18), 
LVDSTX1DATA4_P/N(A19/B19),LVDSTX1CLK_P/N(A17/B17). 
YES 
ICheckthepanelmodule. _NO 
ICheckIC3302anditsperipheralcircuits.(IC3501/IC3502,etc.) 
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