Sharp Lc 60le920 Service Manual

  
LC-52LE920UN/LC-60LE920UN 
INovideo15)-1I 
IHDMI:Noexternalinputvideo[INPUT-4]I 
IsINPUT-4selectedontheinputselectmenuscreen? IHDMI:Noexternalinputvideo[INPUT-5]I 
IIsINPUT-5selectedontheinputselectmenuscreen?I 
_NO 
SelectINPUT-4ontheinputselectmenuscreenforthe 
rightinputsignal. 
YES 
DoestheHOTPLUGdetectionfunction? 
DoestheDDC5Vsignalcomefrompin(18)ofSC1503topin(46)of 
IC1504(HDMI_SW)? _NO 
SelectINPUT-5ontheinputselectmenuscreenforthe 
rightinputsignal. 
YES 
DoestheHOTPLUGdetectionfunction?...

  
LC-52LE920UN/LC-60LE920UN 
INovideo15)-2I 
IHDMI:Noexternalinputvideo[INPUT-6]I 
IsINPUT-6selectedontheinputselectmenuscreen? IHDMI:Noexternalinputvideo[INPUT-7]I 
IIsINPUT-7selectedontheinputselectmenuscreen?I 
_NO 
SelectINPUT-6ontheinputselectmenuscreenforthe 
rightinputsignal. 
YES 
DoestheHOTPLUGdetectionfunction? 
DoestheDDC5Vsignalcomefrompin(18)ofSC1501topin(36)of 
IC1504(HDMI_SW)? _NO 
SelectINPUT-7ontheinputselectmenuscreenforthe 
rightinputsignal. 
YES 
DoestheHOTPLUGdetectionfunction?...

  
LC-52LE920UN/LC-60LE920UN 
INoaudio11)I 
IINPUT-1Noaudio,I 
[IsINPUT-1selectedontheinputselectmenuscreen?] € 
IINPUT-2Noaudio,I 
¢ 
IsINPUT-2selectedontheinputselectmenuscreen?I 
_NO 
[Referto:Noexternalinputvideo[INPUT-I].] 
YES 
[IstheaudiooutputselectedforVARIABLEonthemenuscreen?] NO 
IRefertoNoexternalinputvideo[INPUT-2].I 
YES 
IstheaudiooutputselectedforVARIABLEonthemenuscreen?I 
_NO 
SettheaudioFIXED.  output to 
YES 
Doestheaudiosignalcomefrompins(4)(L)and(3)(P,)ofinput...

  
LC-52LE920UN/LC-60LE920UN 
INoaudio12)I 
I[PCanalo_laudioinput]INPUT-3Noaudio,I 
IsINPUT-3selectedontheinputselectmenuscreen? I[HDMIanalo_laudioinput]INPUT-4Noaudio.I 
IsINPUT-4selectedontheinputselectmenuscreen?I 
_NO 
IReferto:Noexternalinputvideo[INPUT-3]. 
YES 
IstheaudiooutputselectedforVARIABLEonthemenuscreen? NO 
IReferto:Noexternalinputvideo [INPUT-4]. 
YES 
IstheaudiooutputselectedforVARIABLEonthemenuscreen? I 
I 
_NO 
ISettheaudiooutputtoFIXED. 
YES...

  
LC-52LE920UN/LC-60LE920UN 
I.oaudio13)I 
INoaudioatUHFNHFbroadcastsi_lnalreception,I 
IIsTVselectedontheinputselectmenuscreen?I INoaudioatdi_litalbroadcastsi_lnalreception,I 
IsTVselectedontheinputselectmenuscreen?] 
_NO 
RefertoNovideoatUHF/VHFbroadcastsignal 
reception. 
YES 
IstheaudiooutputselectedforVARIABLEonthemenuscreen? _NO 
RefertoNovideoatdigitalbroadcastsignal 
reception. 
YES 
Ifnovideoappears,refertoNovideoatdigitalbroadcastsignal 
reception. 
_NO 
ISettheaudiooutputtoFIXED....

  
LC-52LE920UN/LC-60LE920UN 
I.oaudio14)I 
IINPUT-4NoaudioIHDMIconnectedI  INPUT-5NoaudioIHDMIconnectedI 
INPUT-6NoaudioIHDMIconnectedI 
INPUT-7NoaudioIHDMIconnectedI 
[INPUT-4input] 
IsINPUT-4selectedontheinputselectmenuscreen? 
[INPUT-5input] 
IsINPUT-5selectedontheinputselectmenuscreen? 
[INPUT-6input] 
IsINPUT-6selectedontheinputselectmenuscreen? 
[INPUT-7input] 
IsINPUT-7selectedontheinputselectmenuscreen? 
_NO 
IReferto:Noexternalinputvideo[INPUT-4/5/6/7]. 
YES 
[INPUT-4input]...

  
LC-52LE920UN/LC-60LE920UN 
INoaudiosi_lnalatDi_litalAudioOutputterminalIAnalo_lsoundheardII 
INoINPUT-4151617IHDMI)audio.I 
Ifnovideoappears,refertoNoexternalinputvideo(HDMI) 
[INPUT-4/5/6/7]. INoaudioatdi_litalbroadcastsi_lnalreception.I 
Ifnovideoappears,refertoNovideoatdigitalbroadcastsignal 
reception. 
IIstheretheSPDIFsignaloutput(OPT_OUT)atpin(J28)ofIC3302(CPU)? 
_NO 
IChecktheIC3302anditsperipheralcircuits. 
YES 
IIstheretheSPDIFsignal(OPT_OUT)inputatpin(2)ofIC503(SPDIFBUFFER&SPDIF-MUTE)?I 
_NO...

  
LC-52LE920UN/LC-60LE920UN 
INomonitoraudiooutputI 
[IstheaudiooutputfromthemonitorsetatVARIABLEorFIXEDonthemenuscreen?] 
NO 
ICheckIC3302(CPU)anditsperipheralcircuits. 
YES 
IAretheretheaudiosignaloutputsatpins(M28)(HP/MONI_L)and(M27)(HP/MONI_R)ofIC3302(CPU)? I 
I 
_NO 
ICheckIC3302(CPU)anditsperipheralcircuits. 
YES 
IDoestheaudiosignalcomefrompins(M28)(HP/MONI_L)and(M27)(HP/MONI_R)ofIC3302topins(2)(L)and(3)(R)ofJ504? I 
I 
YES _NO 
CheckthelinebetweenIC3302andJ504andtheirperipheralcircuits....

  
LC-52LE920UN/LC-60LE920UN 
IIfitisnotanerrorofpowersupply/LEDdriver, 
Itisstart-upinthelamperrordisre_lardmode, 
I 
IDoyoustart?I 
_YES 
IDoesallLEDofonelinearenotlighting?I 
_NO 
IItdoesntlightin1 piece. 
i 
IAllLEDboardsincludingLEDthatdoesnt light are 
exchanged. 
YES 
TP1ofLEDboardonthepowersupplysideisconfirmed. 
Doesthevoltagehang? 
YES 
IIstheLEDboardconnectedwithCN2? 
I Iharnessexchange _NO 
I 
I 
_YES 
TP1ofthenextLEDboardconnectedwithCN2isconfirmed. 
Doesthevoltagehang? _NO...

  
LC-52LE920UN/LC-60LE920UN 
iTroubleShootin_lPanelModulei 
WhenC-SFPC(2pieces)isreplaced,doesscreendisplaynormally?] 
;YES 
[ReplaceC-SFPC(2pieces). 
NO 
WhenC-PWBisreplaced,doesscreendisplaynormally? ] 
] 
_YES 
ReplaceC-PWB. 
(AdjustVCOMADJafterreplaceC-PWB) 
NO 
ReplacePanelHIRAKI. 
(AdjustVCOMADJafterreplacePanelHIRAKI) 
[2]LEDflashingspecificationatthetimeofanerror(CentericonLEDused) 
1.Displaymethod 
SinceonlythecentericonLEDcanbeused,slowflashingandfastflashingarecombined. 
RefertoTable1....