Sharp 60LE920UN, 52LE920UN service manual Audio14

Page 56

LC-52LE920UN/LC-60LE920UN

I

.o audio14)

I

INPUT-5 No audio IHDMI connected I

INPUT-6 No audio IHDMI connected I

IINPUT-4 No audio IHDMI connected I

INPUT-7 No audio IHDMI connected I

[INPUT-4 input]

Is INPUT-4 selected on the input select menu screen? [INPUT-5 input]

Is INPUT-5 selected on the input select menu screen? [INPUT-6 input]

Is INPUT-6 selected on the input select menu screen? [INPUT-7 input]

Is INPUT-7 selected on the input select menu screen?

_' NO

I Refer to ": No external input video [INPUT-4/5/6/7]".

YES

[INPUT-4 input]

If no video appears, refer to "No external input video (HDMI) [INPUT-4]". [INPUT-5 input]

If no video appears, refer to "No external input video (HDMI) [INPUT-5]".

[INPUT-6 input]

If no video appears, refer to "No external input video (HDMI) [INPUT-6]". [INPUT-7 input]

If no video appears, refer to "No external input video (HDMI) [INPUT-7]".

[ Is the audio output selected for "VARIABLE" on the menu screen?

]

YES

_' NO

I Set the audio output to "FIXED".

i

Does the digital audio signal come from pins (F28/F30/G28) (AUBCK/AULRCK/AOSDATA0) of IC3302

(CPU) to pin (8/9/7) (SP_BCLK/SP_LRCLK/SP_DATA) of IC2701 (Audio DSP)?

_" NO

Check the line between IC3302 and

IC2701, and their peripheral circuits.

YES

• About the L/R Speakers.Check IC2701 and its peripheral circuits. (X2701, etc.). NO --_

Does the digital audio signal come from pins (47/43/44/45) of IC2701 (Audio DSP) to pin (5/8/7/6) of IC2703 (AMP for L/R)?

• About the Subwoofer speaker.

Does the digital audio signal come from pins (47/43/44/46) of IC2701 (Audio DSP) to pin (5/8/7/6) of IC2702 (AMP for SW)?

_' YES
• About	the	L/R Speakers.		NO	• About	the L/R Speakers.
Is the audio		output from	IC2703		--_	IC2703 and its	peripheral	circuits.
				as specified?	Check
• About	the Subwoofer		Speaker.		• About	the Subwoofer	Speaker.
IS the audio		output from	IC2702	as specified?	Check	IC2702 and its	peripheral	circuits.

_' Yes

• About the L!R Speakers.

Check the connector (P2701) L/R speakers and their periph- eral circuits.

• About the Subwoofer Speaker.

Check the connector (P2702), subwoofer speaker and their peripheral.

6-10

Image 56

Contents Models LC-60LE920UN Important Service Safety Precaution Safety NoticeSafety Checks 5k ohm ==BEFORE Returning the Receiver Fire Shock HazardPrecautions a Prendre Lors DE LA Reparation AvertissementDVM AUX Pieces Bran HER a UNE Metalliques Terre Connue Exposees=Using lead-free wire solder =Employing lead-free solderMajor Service Parts TalC for Exclusive USE of the ServiceSpecifications Parts Name AUO,OIi,iFAV0R,TE--FAVAPP3--qo Insert the stand into the openings on the rear of the TV Dimensions Dimensions LC-52LE920UNDimensions LC-60LE920UN 141j2Removing of Major Parts LC-52LE920UN Removing of Stand Unit and Rear Cabinet AssyMAiN Unit Speaker-R Speaker-L Cover Removing of Speaker-L/RPower Unit Main Unit Removing of ConnectorsLCD LED Removing of Major Parts LC-60LE920UN Speaker-R Power Unit LED Drive Unit Main Unit PD .m Terminal Cover Bottom Front Cabinet Assy LC-52LE920UN/LC-60LE920UN Glass handlingGlass cleaning Space Illiiiii LC-52LE920UN/LC-60LE920UN Adjustment Procedure Software version upgradeMain software version upgrade Get ready before you start Upgrading of each microprocessor softwareLC-52LE920UN/LC-60LE920UN How to upgrade the software Entering and exiting the adjustment process mode Remote Controller key Main Unit KeyUP/DOWN LEFT/RIGHT Input EnterList of adjustment process mode menu Remarks adjustment detail, etcLine DescriptionAnalog RGB ADJ GainOffset Vcom ADJLine Description Remarks adjustment detail, etc MODE2 Special featuresDescription Remarks adjustment detail, etc Signal adjustment Adjustment item Adjustment conditionsAdjustment procedure Model/inch discrimination writing Main PWB QPWBXF452WJZZComponent 15K Video input signalAdjustment Point Adjustment conditions Procedure Tuner/V-CHIP Adjustment Point Conditions Procedure RGB ADJAdjustmentAdjustment conditions point AV Mode DynamicOPC OFF OFFPWB Adjustment Adjustment conditions Procedure PointKey writing Edid writing Main PWB QPWBXF452WJZZ Factory setting Software versionWriting the inch and model name onto Eeprom ENTPublic Mode Setting Procedure How to start Public ModeHow to exit Public Mode Public Mode Setting ValuesPublic Mode Menu On Setting Items Input Mode Start Panel ButtonMenu Button On Screen Display10INPUT Mode Fixed 11RCPATHTHROUGH12AV Position Fixed 13LOUD Speaker ON/OFF15PUBLIC Mode ON!OFF Troubleshooting Table No videLC-52LE920UN/LC-60LE920UN Component No external input video IINPUT-1Lvds TX 0 DATA2P/N Video No video at Uhfnhf broadcast silnal receptionNo video at dilital broadcast silnal reception Video14 PC No external Input video INPUT-3Hdmi No externalHdmi input Hdmi No external input video INPUT-6 AUBCK/AULP,CK/AOSDATA0 INPUT-2 No audio Variable Noaudio12 Audio13 Audio14 INoINPUT-4151617IHDMIaudio No audio at dilital broadcast silnal receptionHP/MONIR No connect NetworkIf it is not an error of power supply/LED It is start-up in the lamp Error Disrelard Mode Do youIf it is not An error Driver It is start-up Lamp Error Disrelard ModeDisplay method LED flashing MethodTrouble Shootinl Panel Module Flashing during VerupRLA.JIJ!,r-q.j-q New methodError Type Center Icon LED operation Inverter/Lamp failure details Flashes slowly onceDisplay Error description Monitor ERR Stby tableIcon LED operation Dpow DETD3V3Major IC Informations IC1504 VHiSii9287+-1QLC-52LE920UN/LC-60LE920UN Memo Overall Wiring Diagram Woofer RSP-ZA482WJZZPDDKEYMF452FM20 RUNTKA690WJQZ IRKSystem Block Diagram Parts Guide Description Printed Wiring Board AssembliesLCD Panel Module Unit Cabinet Parts LC-52LE920UN Cabinet Parts LC-52LE920UN Cabinet Parts LC-60LE920UN SensorCabinet Parts LC-60LE920UN Supplied Accessories Parts Code Price NEW Description Rank Mark DelveryPacking Parts not Replacement Item LC-52LE920UN Packing Parts not Replacement Item LC-52LE920UN X5t¢ Packing Parts not Replacement Item LC-60LE920UN Service Jigs USE for ServicingSharp