Sharp 60LE920UN, 52LE920UN service manual Hdmi input, Hdmi No external input video INPUT-6

Page 52

LC-52LE920UN/LC-60LE920UN

I

 

<HDMI input>

I

HDMI: No external input video [INPUT-6]

I

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

_' NO

Select INPUT-6 on the input select menu screen for the

right input signal.

YES

Does the HOT PLUG detection function?

Does the DDC5V signal come from pin (18) of SC1501 to pin (36) of IC1504 (HDMI_SW)?

J_ NO

Check the line between the input terminals of SC1501 and IC1504.

Check IC1504 and its peripheral circuits.

(SDA0_400K: pin53 of IC1504/SCL0_400K: pin54 of YES IC1504, etc.).

DoesSC1501?the HPD signal come from pin (35) of IC1504 to pin (19) of

No video 15)-2

 

 

 

I

I

HDMI:

No external

input video [INPUT-7]

I

I Is INPUT-7

selected

on the input

select menu screen?

I

 

_' NO

 

 

 

Select INPUT-7 on the input select menu screen for the

right input signal.

YES

Does the HOT PLUG detection function?

Does the DDC5V signal come from pin (18) of SC1505 to pin (32) of IC1504 (HDMI_SW)?

_ NO

Check the line between the input terminals of SC1505 and IC1504.

Check IC1504 and its peripheral circuits

(pin53 of IC1504/SCL1 : pin54 of IC1504, etc.).

YES

Does the HPD signal come from pin (31) of IC1504 to pin (19) of SC1505?

_ NO

Check the line between the pin (31) of IC1504 and the pin (19) of SC1501.

Check IC1504 and its peripheral circuits

(SDA0_400K: pin53 of IC1504/SCL0_400K: pin54 of YES IC1504, etc.).

I Are there the TMDS signal inputs at pins (1/2) (CLK-/+), (3/4) (D0-/ +), (5/6) (D1-/+), (7/8) (D2-/+), all of IC1504?

_ NO

Check the line between the pin (41) of IC1504 and the pin (19) of SC1505.

Check IC1504 and its peripheral circuits

pin53 of IC1504/SCL1 : pin54 of IC1504, etc.).

YES

Are there the TMDS signal inputs at pins (65/66) (CLK-/+), (67/68) (D0-/+), (69/70) (D1-/+), (71/72) (D2-/+), all of IC1504?

_ NO

Is IC1504 (pin33/pin34) accessed by 12C, with HDMI connected, to read the DDC_I2C SDA/SCL data?

_ NO

Is IC1504 (pin29/pin30) accessed by 12C, with HDMI connected, to read the DDC_I2C SDA/SCL data?

_ NO

_ NO

Check the DDC line and its peripheral circuits. (IC1504 and its peripherals).

YES

Are there the TMDS signal inputs at pins (AJ6/AK6) (CLK-/+), (AJ7/AK7) AK8) (D1-/+), (AJ9/AK9) (D2-/+), all of IC3302 (CPU)?

Check the DDC line and its peripheral circuits. (IC1504 and its peripherals)

YES

(D0-/+), (A J8/ J]

 

J' NO

 

 

 

 

 

 

 

 

 

 

I Check IC1504,

IC3302

and their

peripheral circuits.

I

 

 

 

YES

 

 

 

 

 

 

YES

 

 

Are the

LVDS signal outputs at the

LVDS 1st channel and 2nd channel of IC3302?

NO

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.

 

 

 

 

 

 

 

 

 

6-6

Page 51 Page 53
Image 52
Page 51 Page 53
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 Description Remarks adjustment detail, etc Special featuresMODE2 Signal adjustment Adjustment item Adjustment conditionsAdjustment procedure Model/inch discrimination writing Main PWB QPWBXF452WJZZAdjustment Point Adjustment conditions Procedure Video input signalComponent 15K Tuner/V-CHIP Adjustment Point Conditions Procedure RGB ADJAdjustmentAdjustment conditions point AV Mode DynamicOPC OFF OFFKey writing Edid writing Main PWB QPWBXF452WJZZ Adjustment Adjustment conditions Procedure PointPWB 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-1No video at dilital broadcast silnal reception Video No video at Uhfnhf broadcast silnal receptionLvds TX 0 DATA2P/N Video14 PC No external Input video INPUT-3Hdmi No externalHdmi input Hdmi No external input video INPUT-6Variable INPUT-2 No audioAUBCK/AULP,CK/AOSDATA0 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 LCD Panel Module Unit Printed Wiring Board AssembliesDescription 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
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