Sharp 60LE920UN, 52LE920UN service manual =Employing lead-free solder, =Using lead-free wire solder

Page 4

LC-52LE920UN/LC-60LE920UN

PRECAUTIONS FOR USING LEAD-FREE SOLDER

='Employing lead-free solder

"PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.

Example:

aa/a

Sn-Ag-CuSn-Ag-Cu

Indicates lead-free solder of tin, silver and copper.

Indicates lead-free solder of tin, silver and copper.

='Using lead-free wire solder

When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder may cause dam- age or accident due to cracks.

As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 °C, we recommend you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service branch in your area.

='Soldering

As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 °C which is higher than the conventional lead solder by 40 °C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering condition.

Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit as required.

If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use of it.

When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.

Be careful when replacing parts with polarity indication on the PWB silk.

Lead-free wire solder for servicing

PARTS CODE

PRICE

PART

DESCRIPTION

RANK

DELIVERY

 

 

 

 

ZHNDAi123250E

BL

J

#0.3mm

250g

(1roll)

 

 

 

ZHNDAi126500E

BK

J

#0.6mm

500g

(1roll)

 

 

 

ZHNDAi12801KE

BM

J

#1.0mm

lkg (1roll)

 

 

 

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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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