Sharp 60LE920UN, 52LE920UN service manual Video14, PC No external Input video INPUT-3

Page 50

LC-52LE920UN/LC-60LE920UN

 

 

I

 

.o video14)

I

I

PC: No external

input video [INPUT-3]

I

I Is INPUT-3 selected

on the input select menu

screen?

I

_' NO

Select INPUT-3 on the input select menu screen for the right input signal.

Is IC509 (EEPROM) accessed by 12C, with PC connected, to read the DDC_I2C SCL/SDA data?

Check the DDC line and its peripheral circuits. (IC509 and its peripherals).

YES

Are there the video signal inputs at pins (AK16) (G), (AH15) (B) and (AK17) (R) of IC3302 (CPU)?

Are there the VSYNC/HSYNC signal inputs at pins (AJ14) and (AK14) of IC3302?

_' NO

I Check the line between SC501 and IC3302.

l

YES

Are the LVDS signal outputs at the LVDS 1st channel and 2nd channel of IC3302?

LVDS TX 0 DATA0_P/N (C14/D14), LVDS TX 0 DATAI_P/N (C15/D15),

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).

_' NO

I Check IC3302 and its peripheral circuits. (IC3501/IC3502, etc.)

YES

I Check the panel module.

6-4

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Contents Models LC-60LE920UN Safety Checks 5k ohm Important Service Safety PrecautionSafety Notice ==BEFORE Returning the Receiver Fire Shock HazardDVM Precautions a Prendre Lors DE LA ReparationAvertissement 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 Main software version upgrade Get ready before you start Adjustment ProcedureSoftware version upgrade Upgrading of each microprocessor softwareLC-52LE920UN/LC-60LE920UN How to upgrade the software UP/DOWN Entering and exiting the adjustment process modeRemote Controller key Main Unit Key LEFT/RIGHT Input EnterLine List of adjustment process mode menuRemarks adjustment detail, etc DescriptionOffset Analog RGB ADJGain Vcom ADJLine Description Remarks adjustment detail, etc MODE2 Special featuresDescription Remarks adjustment detail, etc Adjustment procedure Signal adjustmentAdjustment item Adjustment conditions Model/inch discrimination writing Main PWB QPWBXF452WJZZComponent 15K Video input signalAdjustment Point Adjustment conditions Procedure Tuner/V-CHIP Adjustment Point Conditions Procedure RGB ADJOPC OFF AdjustmentAdjustment conditions pointAV Mode Dynamic OFFPWB Adjustment Adjustment conditions Procedure PointKey writing Edid writing Main PWB QPWBXF452WJZZ Writing the inch and model name onto Eeprom Factory settingSoftware version ENTHow to exit Public Mode Public Mode Setting ProcedureHow to start Public Mode Public Mode Setting ValuesPublic Mode Menu On Setting Items Menu Button Input Mode StartPanel Button On Screen Display12AV Position Fixed 10INPUT Mode Fixed11RCPATHTHROUGH 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-6AUBCK/AULP,CK/AOSDATA0 INPUT-2 No audioVariable Noaudio12 Audio13 Audio14 INoINPUT-4151617IHDMIaudio No audio at dilital broadcast silnal receptionHP/MONIR No connect NetworkIf it is not An error If it is not an error of power supply/LEDIt is start-up in the lamp Error Disrelard Mode Do you Driver It is start-up Lamp Error Disrelard ModeTrouble Shootinl Panel Module Display methodLED flashing Method Flashing during VerupRLA.JIJ!,r-q.j-q New methodError Type Center Icon LED operation Inverter/Lamp failure details Flashes slowly onceIcon LED operation Display Error descriptionMonitor ERR Stby table Dpow DETD3V3Major IC Informations IC1504 VHiSii9287+-1QLC-52LE920UN/LC-60LE920UN Memo PDDKEYMF452FM20 Overall Wiring DiagramWoofer RSP-ZA482WJZZ 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