Sharp 52LE920UN, 60LE920UN I.o audio14) I

LC-52LE920UN/LC-60LE920UN

I.o audio14) I

I INPUT-4 No audio IHDMI connected I

INPUT-5 No audio IHDMI connected I

INPUT-6 No audio IHDMI connected I

INPUT-7 No audio IHDMI connected I

[INPUT-4 input]

Is INPUT-4 selected on the input select menu screen?

[INPUT-5 input]

Is INPUT-5 selected on the input select menu screen?

[INPUT-6 input]

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

[INPUT-7 input]

Is INPUT-7 selected on the input select menu screen?

_' NO

IRefer to": Noexternal input video [INPUT-4/5/6/7]".

YES

[INPUT-4 input]

If no video appears, refer to"No external input video (HDMI) [INPUT-4]".

[INPUT-5 input]

If no video appears, refer to"No external input video (HDMI) [INPUT-5]".

[INPUT-6 input]

If no video appears, refer to"No external input video (HDMI) [INPUT-6]".

[INPUT-7 input]

If no video appears, refer to"No external input video (HDMI) [INPUT-7]".

[ Is the audio output selected for "VARIABLE" on the menu screen? ]

_' NO

ISet the audio output to "FIXED".

i

YES

Does the digital audio signal come from pins(F28/F30/G28) (AUBCK/AULRCK/AOSDATA0) of IC3302

(CPU) to pin (8/9/7) (SP_BCLK/SP_LRCLK/SP_DATA) of IC2701 (Audio DSP)?

_" NO

Check the line between IC3302 and

IC2701, and their peripheral circuits.

YES

•About the L/R Speakers.

Does the digital audiosignal come from pins (47/43/44/45) of

IC2701 (Audio DSP) to pin (5/8/7/6) of IC2703 (AMP for L/R)?

• About the Subwoofer speaker.

Does the digital audiosignal come from pins (47/43/44/46) of

IC2701 (Audio DSP) to pin (5/8/7/6) of IC2702 (AMP for SW)?

_' YES

• About the L/R Speakers.

Is the audio output from IC2703 as specified?

• About the Subwoofer Speaker.

ISthe audio output from IC2702 as specified?

_' Yes

• About the L!R Speakers.

Check the connector (P2701) L/R speakers and their periph-

eral circuits.

• About the Subwoofer Speaker.

Check the connector (P2702), subwoofer speaker and their

peripheral.

NO --_

NO --_

Check IC2701 and its peripheral circuits. (X2701, etc.).

• About the L/R Speakers.

Check IC2703 and its peripheral circuits.

• About the Subwoofer Speaker.

Check IC2702 and its peripheral circuits.

6-10

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.