Sharp LC-37D44RU Service Manual

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MODELS
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 ............................................... . ............i
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ................................................ . ...........ii
CHAPTER 1. SPECIFICATIONS
[1] Specifications ................................. . ....... 1-1
[2] Operation Manual .......................... . ....... 1-2
[3] Dimensions ........................................ . ....... 1-5
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] Removing Of Major Parts ........... . ....... 2-1
Chapter 3. Adjustment
[1] After replacement of any PWB and/or IC for
repair, note the following. ....................... . ....... 3-1
[2] Software Updating........................ . ....... 3-1
[3] Entering and exiting the adjustment pro-
cess mode.............................................. . ..... 3-18
[4] Remote controller key operation and de-
scription of display in adjustment process
mode. ..................................................... . ..... 3-18
[5] Adjustment Process Mode Menu............ . ..... 3-19
[6] Special Features...................................... . ..... 3-20
[7] Video Signal Adjustment Procedure........ . ..... 3-21
[8] White Balance Adjustment ..................... . ..... 3-22
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.

SERVICE MANUAL

LCD COLOUR TELEVISION
LC-37D44E/S/RU-BK/GY
CONTENTS
[9]
[10] Initialization to factory settings.....................3-24
[11] Lamp error detection ...................................3-24
[12] Public Mode (Hotel Mode) ...........................3-25
CHAPTER 4. TROUBLESHOOTING TABLE
[1]
CHAPTER 5. BLOCK DIAGRAM/OVERALL WIRING
[1]
[2]
[3]
CHAPTER 6. PRINTED WIRING BOARD ASSEM-
BLIES
[1]
[2]
[3]
[4]
CHAPTER 7. SCHEMATIC DIAGRAM
[1]
[2]
Parts Guide
LC-37D44E/S/RU-BK/GY
No. S88N6LC37D44E
Adjusting Procedure By Use Of [Rs-232C] ......3-23
Troubleshooting Table ......................4-1
BLOCK DIAGRAM.........................................5-1
System Block Diagram .........................5-3
Overall Wiring Diagram ......................5-4
Main Unit ......................................................6-1
R/C, Led Unit ................................................6-5
Mini Av Unit ..................................................6-6
Key ...............................................................6-7
DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................7-1
Schematic Diagram ................................7-2
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.