Sharp LC-26SB25E Service Manual

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.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................................2
Precautions for using lead-free solder ................3
CHAPTER 1. OPERATION MANUAL
[1] SPECIFICATIONS ..................................................4
[2] OPERATION MANUAL ...........................................5
[3] DIMENSIONS .......................................................10
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ..........................11
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE .............................26
[2] SERVICE MODE ..................................................33
[3] SOFTWARE UPGRADE PROCEDURE.............
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE..............................37
CHAPTER 5. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS.................................53
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
[1] VIDEO & AUDIO BLOCK DIAGRAM ...................71
Parts marked with " " 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.
LC-26SB25E/S/RU, LC-32SB25E/S/RU, LC-42SB55E/S/RU

SERVICE MANUAL

LCD COLOUR TELEVISION
LC-26SB25E/S/RU
LC-32SB25E/S/RU
LC-42SB55E/S/RU
MODELS
CONTENTS
[2] POWER MANAGEMENT BLOCK DIAGRAM ......72
[3] I2C and RS232 BLOCK DIAGRAM .......................73
[4] WIRING DIAGRAM ...............................................74
CHAPTER 7. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD ...............77
[2] POWER UNIT PRINTED WIRING BOARD ..........79
[3] KEY UNIT PRINTED WIRING BOARD .................83
[4] IR UNIT PRINTED WIRING BOARD ....................84
CHAPTER 8. SCHEMATIC DIAGRAM
[1] MAIN SCHEMATIC DIAGRAM ............................85
[2] POWER SCHEMATIC DIAGRAM ......................102
[3] KEY SCHEMATIC DIAGRAM .............................104
[4] IR SCHEMATIC DIAGRAM .................................105
..
34
CHAPTER 9. Parts Guide
[1] SPARE PARTS LIST ..........................................106
[2] CABINET PARTS ................................................174
[3] SUPPLIED ACCESSOORIES..............................179
[4] PACKING PARTS................................................180
1
No. S88T2LC42SB55
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.