Sharp 52LE920UN INoINPUT-4151617IHDMIaudio, No audio at dilital broadcast silnal reception

Page 57

LC-52LE920UN/LC-60LE920UN

I

No audio si_lnal at Di_lital Audio Output terminal IAnalo_l sound heard I

I

INoINPUT-4151617IHDMI)audio. I

I

No audio at di_lital broadcast si_lnal reception.

I

If no video appears, refer to "No external input video (HDMI) [IN PUT-4/5/6/7]".

If no video appears, refer to "No video at digital broadcast signal reception".

I Is there the SPDIF signal output (OPT_OUT) at pin (J28) of IC3302 (CPU)?

_' NO

I Check the IC3302 and its peripheral circuits.

YES

 

I Is there the SPDIF signal (OPT_OUT) input at pin (2) of IC503 (SPDIF BUFFER & SPDIF-MUTE)?

I

_' NO

I Check the line between IC3302 and IC503.

YES

 

I Is there the MUTE signal input at pin (7) of IC503? (usual: High, Mute: Low)

I

_' NO

Check the MUTE A ALL and SPDIF-MUTE signals, and their peripheral cir- cuits (Q505, D530, etc.).

YES

 

I Is there the SPDIF signal input at pin (1) of D520 (OPTICAL OUTPUT)?

I

_' YES

[ Check the speakers and the optical cable. I

_' NO

Check D520 and its peripheral circuits.

No optical output under the following conditions as per HDMI requirements.

*Audio contents protected.

*Audio frequency beyond 48kHz.

*Audio bit length beyond 16bits.

6-11

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Contents Models LC-60LE920UN Safety Notice Important Service Safety PrecautionSafety Checks 5k ohm ==BEFORE Returning the Receiver Fire Shock HazardAvertissement Precautions a Prendre Lors DE LA ReparationDVM AUX Pieces Bran HER a UNE Metalliques Terre Connue Exposees=Employing lead-free solder =Using lead-free wire solderTalC for Exclusive USE of the Service Major Service PartsSpecifications AUO,O Parts NameIi,iFAV0R,TE--FAVAPP3--qo Insert the stand into the openings on the rear of the TV Dimensions LC-52LE920UN Dimensions141j2 Dimensions LC-60LE920UNRemoving of Stand Unit and Rear Cabinet Assy Removing of Major Parts LC-52LE920UNRemoving of Speaker-L/R MAiN Unit Speaker-R Speaker-L CoverRemoving of Connectors Power Unit Main UnitLCD LED Removing of Major Parts LC-60LE920UN Speaker-R Power Unit LED Drive Unit Main Unit PD .m Terminal Cover Bottom Front Cabinet Assy Glass handling LC-52LE920UN/LC-60LE920UNGlass cleaning Space Illiiiii LC-52LE920UN/LC-60LE920UN Software version upgrade Adjustment ProcedureMain software version upgrade Get ready before you start Upgrading of each microprocessor softwareLC-52LE920UN/LC-60LE920UN How to upgrade the software Remote Controller key Main Unit Key Entering and exiting the adjustment process modeUP/DOWN LEFT/RIGHT Input EnterRemarks adjustment detail, etc List of adjustment process mode menuLine DescriptionGain Analog RGB ADJOffset Vcom ADJLine Description Remarks adjustment detail, etc Special features Description Remarks adjustment detail, etcMODE2 Adjustment item Adjustment conditions Signal adjustmentAdjustment procedure Model/inch discrimination writing Main PWB QPWBXF452WJZZVideo input signal Adjustment Point Adjustment conditions ProcedureComponent 15K RGB ADJ Tuner/V-CHIP Adjustment Point Conditions ProcedureAV Mode Dynamic AdjustmentAdjustment conditions pointOPC OFF OFFAdjustment Adjustment conditions Procedure Point Key writing Edid writing Main PWB QPWBXF452WJZZPWB Software version Factory settingWriting the inch and model name onto Eeprom ENTHow to start Public Mode Public Mode Setting ProcedureHow to exit Public Mode Public Mode Setting ValuesPublic Mode Menu On Setting Items Panel Button Input Mode StartMenu Button On Screen Display11RCPATHTHROUGH 10INPUT Mode Fixed12AV Position Fixed 13LOUD Speaker ON/OFF15PUBLIC Mode ON!OFF No vide Troubleshooting TableComponent No external input video IINPUT-1 LC-52LE920UN/LC-60LE920UNVideo No video at Uhfnhf broadcast silnal reception No video at dilital broadcast silnal receptionLvds TX 0 DATA2P/N PC No external Input video INPUT-3 Video14No external HdmiHdmi No external input video INPUT-6 Hdmi inputINPUT-2 No audio VariableAUBCK/AULP,CK/AOSDATA0 Noaudio12 Audio13 Audio14 No audio at dilital broadcast silnal reception INoINPUT-4151617IHDMIaudioNo connect Network HP/MONIRIt is start-up in the lamp Error Disrelard Mode Do you If it is not an error of power supply/LEDIf it is not An error Driver It is start-up Lamp Error Disrelard ModeLED flashing Method Display methodTrouble Shootinl Panel Module Flashing during VerupNew method RLA.JIJ!,r-q.j-qInverter/Lamp failure details Flashes slowly once Error Type Center Icon LED operationMonitor ERR Stby table Display Error descriptionIcon LED operation Dpow DETD3V3IC1504 VHiSii9287+-1Q Major IC InformationsLC-52LE920UN/LC-60LE920UN Memo Woofer RSP-ZA482WJZZ Overall Wiring DiagramPDDKEYMF452FM20 RUNTKA690WJQZ IRKSystem Block Diagram Parts Guide Printed Wiring Board Assemblies LCD Panel Module UnitDescription Cabinet Parts LC-52LE920UN Cabinet Parts LC-52LE920UN Sensor Cabinet Parts LC-60LE920UNCabinet Parts LC-60LE920UN Parts Code Price NEW Description Rank Mark Delvery Supplied AccessoriesPacking Parts not Replacement Item LC-52LE920UN Packing Parts not Replacement Item LC-52LE920UN X5t¢ Service Jigs USE for Servicing Packing Parts not Replacement Item LC-60LE920UNSharp