Sharp LC-52LE920UN Service Manual

LC-52LE920UN/LC-60LE920UN
SHARP SERVICE MANUAL
No. S70I560LE920U/
LCD COLOR TELEVISION
LC-52LE920UN
moves
LC-60LE920UN
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
Va CONTENTS ~\
SAFETY PRECAUTION [2] REMOVING OF MAJOR PARTS
IMPORTANT SERVICE SAFETY (LC-6OLEQ20UN)....... ce eececceeeeceessteeeseeeetatees 4-6
PRECAUTION ...........ccccccccccccecceeeeeeeeeeeeeeeeeeanananes i [3] Caution Cleaning Glass... ccccccccceeeeeeees 4-11
PRECAUTIONS A PRENDRE LORS DE [4] How to replace the touch key sensor PWB......4-13
LA REPARATION 00.0... .cccecccccecestteeeeeestteeeeeeenaes ii
PRECAUTIONS FOR USING LEAD-FREE CHAPTER 5. ADJUSTMENT
SOLDER .....ceccccccccccetcecceecsteeeeeeseneeeeeeesnneeeeeeenas iii [1] ADJUSTMENT PROCEDURE .............0008 5-1
[2] PUBLIC MODE SETTING PROCEDURE ...... 5-15
OUTLINE
MAJOR SERVICE PARTS ........ccccccceceeteeeeeeeees iv CHAPTER 6. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE ........0..:0008 6-1
CHAPTER 1. SPECIFICATIONS [2] LED flashing specification at the time of an
[1] SPECIFICATIONS 0.0.0... ceccceeeeseseteerereees 1-1 error (Center icon LED used) ................00068 6-14
CHAPTER 2. OPERATION MANUAL CHAPTER 7. MAJOR IC INFORMATIONS
[1] Parts Name .......ccceceeeeesesteeeeeeeesteeeeesenaes 2-1 [1] MAJOR IC INFORMATIONS 1... ee 7-1
[2] OPERATION MANUAL ............ccccceeeeeeneees 2-3
CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK
CHAPTER 3. DIMENSIONS DIAGRAM
[1] DIMENSIONS (LC-52LE920UN).......000000. 3-1 [1] OVERALL WIRING DIAGRAM ..............0008 8-1
[2] DIMENSIONS (LC-60LE920UN).......000000. 3-2 [2] SYSTEM BLOCK DIAGRAM ..........c0cccccee 8-2
CHAPTER 4. REMOVING OF MAJOR PARTS Parts Guide
[1] REMOVING OF MAJOR PARTS
(LC-52LEQ20UN) ooo... ccecccccceseteeeeeesteeeereees 4-1
\ w,
Parts marked with "A\ " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
The contents are subject to change without notice.