Sharp 52LE920UN, 60LE920UN service manual Troubleshooting Table, No vide

Page 47

LC-52LE920UN/LC-60LE920UN

CHAPTER 6. TROUBLESHOOTING TABLE

[1] TROUBLESHOOTING TABLE

I

NO vide° 11)

I

I	COMPOSITE: No external input video IINPUT-2] ........ I
[ Is INPUT-2 selected on the input select menu screen?						]
	J' NO
	Select INPUT-2 on the input select menu
	screen for the right input signal.
	YES
Is there the COMPOSITE signal input at pin (AE29) of IC3302
(CPU)?
	_' NO
	[ I(AE29)Check theof IC3302linebetween.	pin (3)	°f	J505	and pin
	YES
Are	the LVDS signal outputs at the LVDS	1st channel and			2nd channel of IC3302?		NO	Check IC3302	and its peripheral circuits.
Are	the LVDS signal outputs at the LVDS	1st channel and			2nd channel of IC3302?			Check IC3302	and its peripheral circuits.
LVDS TX 0 DATA0_P/N (C14/D14), LVDS TX			0	DATAI_P/N		(C15/D15),		(IC3501/IC3502,	etc.)
LVDS TX 0 DATA2_P/N (C16/D16), LVDS TX			0	DATA3_P/N		(C18/D18),
LVDS TX 0 DATA4_P/N (C19/D19), LVDS TX			0	CLK	P/N (C17/D17),
LVDS TX 1 DATA0_P/N (A14/B14), LVDS TX			1	DATAI_P/N		(A15/B15),
LVDS TX 1 DATA2_P/N (A16/B16), LVDS TX			1	DATA3_P/N		(A18/B18),
LVDS TX 1 DATA4_P/N (A19/B19), LVDS TX			1	CLK_P/N (A17/B17).

_' YES

[ Check the panel module.

6-1

Image 47

Contents Models LC-60LE920UN ==BEFORE Returning the Receiver Fire Shock Hazard Important Service Safety PrecautionSafety Notice Safety Checks 5k ohmAUX Pieces Bran HER a UNE Metalliques Terre Connue Exposees Precautions a Prendre Lors DE LA ReparationAvertissement DVM=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 Upgrading of each microprocessor software Adjustment ProcedureSoftware version upgrade Main software version upgrade Get ready before you startLC-52LE920UN/LC-60LE920UN How to upgrade the software LEFT/RIGHT Input Enter Entering and exiting the adjustment process modeRemote Controller key Main Unit Key UP/DOWNDescription List of adjustment process mode menuRemarks adjustment detail, etc LineVcom ADJ Analog RGB ADJGain OffsetLine Description Remarks adjustment detail, etc MODE2 Special featuresDescription Remarks adjustment detail, etc Model/inch discrimination writing Main PWB QPWBXF452WJZZ Signal adjustmentAdjustment item Adjustment conditions Adjustment procedureComponent 15K Video input signalAdjustment Point Adjustment conditions Procedure RGB ADJ Tuner/V-CHIP Adjustment Point Conditions ProcedureOFF AdjustmentAdjustment conditions pointAV Mode Dynamic OPC OFFPWB Adjustment Adjustment conditions Procedure PointKey writing Edid writing Main PWB QPWBXF452WJZZ ENT Factory settingSoftware version Writing the inch and model name onto EepromPublic Mode Setting Values Public Mode Setting ProcedureHow to start Public Mode How to exit Public ModePublic Mode Menu On Setting Items On Screen Display Input Mode StartPanel Button Menu Button13LOUD Speaker ON/OFF 10INPUT Mode Fixed11RCPATHTHROUGH 12AV Position Fixed15PUBLIC Mode ON!OFF No vide Troubleshooting TableComponent No external input video IINPUT-1 LC-52LE920UN/LC-60LE920UNLvds TX 0 DATA2P/N Video No video at Uhfnhf broadcast silnal receptionNo video at dilital broadcast silnal reception PC No external Input video INPUT-3 Video14No external HdmiHdmi No external input video INPUT-6 Hdmi inputAUBCK/AULP,CK/AOSDATA0 INPUT-2 No audioVariable Noaudio12 Audio13 Audio14 No audio at dilital broadcast silnal reception INoINPUT-4151617IHDMIaudioNo connect Network HP/MONIRDriver It is start-up Lamp Error Disrelard Mode If it is not an error of power supply/LEDIt is start-up in the lamp Error Disrelard Mode Do you If it is not An errorFlashing during Verup Display methodLED flashing Method Trouble Shootinl Panel ModuleNew method RLA.JIJ!,r-q.j-qInverter/Lamp failure details Flashes slowly once Error Type Center Icon LED operationDpow DETD3V3 Display Error descriptionMonitor ERR Stby table Icon LED operationIC1504 VHiSii9287+-1Q Major IC InformationsLC-52LE920UN/LC-60LE920UN Memo RUNTKA690WJQZ IRK Overall Wiring DiagramWoofer RSP-ZA482WJZZ PDDKEYMF452FM20System Block Diagram Parts Guide Description Printed Wiring Board AssembliesLCD Panel Module Unit 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