Sharp 52LE920UN, 60LE920UN

2. Glass cleaning

CAUTION: (1)Visual inspection is done onthe black mat.

LC-52LE920UN/LC-60LE920UN

(2) Dust and trash are taken with an air blow.

(3) Dirt is wiped out with cloth.

Front side: Moufas

Back side: Cotton (clean wiper SF-30C)

(4)When dirt doesn't clean, it iswiped out with Alcohol.

(5) Dirtis wiped out with the Ethanol and clean cloth.

When wipe off adirt the trace which wiped do not be left.

4-12

Contents

Main SHARP SERVICE MANUAL No. S701560LE920U/ SHARP CORPORATION LC-52LE920UN LC-60LE920UN F CONTENTS J LC-52LE920UN/LC-60LE920UN SAFETY PRECAUTION /DVM / rt.o ACSCALE o_-_ SAFETY NOTICE PRECAUTIONS APRENDRE LORS DE LA REPARATION AVERTISSEMENT =VERIFICATIONS CONTRE L'INCEN=DIE ET LE CHOC ELECTRIQUE l-i-i-i-i-i-i oooo i AVIS POUR LA SECURITE a Sn-Ag-Cu ='Using lead-free wire solder ='Soldering OUTLINE LC-52LE920UN/LC-60LE920UN MAJOR SERVICE PARTS mPWB UNIT mOTHER UNIT talC FOR EXCLUSIVE USE OF THE SERVICE ==SERVICE JIGS CHAPTER 1. SPECIFICATIONS 1-1 [1] SPECIFICATIONS TV Function CHAPTER 2. OPERATION MANUAL % 1 I 18 19 ii,iFAV0R,TE_--FAVAPP3--qo 2-2 3_ 5 _ .....................................................21 7 8 g 11 12 13 14 15 16 17_ 22 2 _9 3 CHAPTER 3. DIMENSIONS _d [2] DIMENSIONS (LC-60LE920UN) 141j2 j 3-2 Unit: inch (mm) LJ i _-- AN =52AG4 CHAPTER 4. REMOVING OF MAJOR PARTS [sP] [PL] [SB] 4. Removing of MAIN Unit, POWER Unit, Woofer, Stand Angle, 52" LCD Panel Module Unit. 4-4 (Bottom-L) I / R/C, LEDUnit Glass Front Panel Ass'y [RK] "(_)TOUCH SENSOR Unit @ Page [SB] ,,[PD] (Top-R) 4-9 )TERMINAL Cover (Bottom) ,_,1 :_ "-" (_ Front Cabinet Ass'y Unit _ Glass Front Panel Ass'y IRK] ('7)TOUCH SENSOR Unit LC-52LE920UN/LC-60LE920UN [3] Caution Cleaning Glass 1. Glass handling 4-11 Page LC-52LE920UN/LC-60LE920UN ! [4] How to replace the touch key sensor PWB i f.j Space U ! ill:iiiii Page CHAPTER 5. ADJUSTMENT [1] ADJUSTMENT PROCEDURE 5-1 1. After replacement of any PWB unit and/or IC for repair, please note the following. 2. Upgrading of each microprocessor software 5-2 5-3 3. Entering and exiting the adjustment process mode 4. Remote controller key operation and description of display in adjustment process mode 5-4 5. List of adjustment process mode menu 5-5 5-6 5-7 6. Special features 5-8 7. Microprocessor software writing 8. Signal adjustment 5-9 8.1. LCD section adjustment [LCD module adjustment] 8.2. Image adjustment 8.2.1 Device check 5-10 8.2.6 Analog RGB signal adjustment 5-11 Adjustment procedure Send the 100% color barsignal to theVideo 4 analog RGB input. 5-12 10. Key writing 10.1. EDIDwriting (Main PWB: QPWBXF452WJZZ) 5-13 11. Factory setting 12. Software version 5-14 LE920 UPGRADE SUCCESS The inch and model name are displayed. [2] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode 5-15 2. How to exit Public Mode 3. Public Mode Setting Values Page 5. On Setting Items 5-17 5-18 5-19 Page CHAPTER 6. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE 6-1 I INovideo12) I I _' NO 6-2 I .o 6-3 I .ovideo14) I 6-4 I<HDMI input> No video 15)-1 I I 6-5 LC-52LE920UN/LC-60LE920UN I<HDMI input> No video 15)-2 I I 6-6 INoaudio11) I IINPUT-1Noaudio, I 6-7 INoaudio12) I I 6-8 I.o audio13) I 6-9 I.o audio14) I 6-10 I NoINPUT-4151617IHDMI)audio. I 6-11 NO J' NO 6-12 t fig-2 Iharnessexchange ; YEs ; .o ; YEs ; .o 6-13 LC-52LE920UN/LC-60LE920UN ] ] 6-14 14oo s"t"4oo s' ,,iT,, oo s, ,,_500ms 3. New method ,r-q.j-q 6-15 6-16 4. Monitor ERR STBY table 6-17 CHAPTER 7. MAJOR IC INFORMATIONS [1] MAJOR IC INFORMATIONS 7-1 1. MAJOR IC INFORMATIONS Page Page CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK DIAGRAM L 8-1 [1] OVERALL WIRING DIAGRAM OVERALL WIRING DIAGRAM i i _Uc"s_"s_itr_q LC-52LE920UN/LC-60LE920UN [2] SYSTEM BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM _NPUT DDC0 8-2 SHARP PARTS GUIDE No. S701560LE920U/ LC-52LE920UN LC-60LE920UN [6] SHARP CORPORATION [1] PRINTED WIRING BOARD ASSEMBLIES z_ [2] LCD PANEL MODULE UNIT Page z_ [3] CABINET PARTS (LC-52LE920UN) Page A_ [4] CABINET PARTS (LC-60LE920UN) 1 I-I 1-2 1-3 1-4 1-5 1-6 1-7 2 2-I 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-I0 3 [5] SUPPLIED ACCESSORIES X5 7 Xll (x 2) 7 [6] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-52LE920UN) 9 LC-52LE920UN/LC-60LE920UN [7] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-60LE920UN) x5_t[._, L [7] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-60LE920UN) 11 [81SERVICE JIGS (USE FOR SERVICING) SHARP COPYRIGHT 2010 BY SHARP CORPORATION ALL RIGHTS RESERVED.