Sharp LC-32D62U

SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................................i
PRECAUTIONS A PRENDRE LORS DE
LA REPARATION ...............................................ii
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ........................................................... iii
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
CHAPTER 2. OPERATION MANUAL
[1] OPERATION MANUAL .................................. 2-1
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS ................................................ 3-1
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ................... 4-1
CHAPTER 5. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE ....................... 5-1
CHAPTER 6. TROUBLE SHOOTING TABLE
[1] TROUBLE SHOOTING TABLE...................... 6-1
CHAPTER 7. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS.......................... 7-1
CHAPTER 8. OVERALL WIRING/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM (LC-
32D62U) ........................................................8-1
[2] OVERALL WIRING DIAGRAM (LC-
37D62U) ........................................................8-3
[3] SYSTEM BLOCK DIAGRAM.........................8-5
[4] MAIN BLOCK DIAGRAM...............................8-7
CHAPTER 9. PRINTED WIRING BOARD ASSEM-
BLIES
[1] MAIN Unit ......................................................9-1
[2] TERMINAL Unit .............................................9-9
[3] R/C, LED Unit ..............................................9-15
[4] KEY Unit ......................................................9-16
CHAPTER 10. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM..........................................................10-1
[2] R/C, LED Unit ..............................................10-2
[3] MAIN Unit ....................................................10-3
[4] TERMINAL Unit .........................................10-49
[5] KEY Unit ....................................................10-53
Parts Guide
SERVICE MANUAL
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.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
TopPage
CONTENTS
In the interests of user-safety (Required by safety regulations in some countries) the set should
be restored to its original condition and only parts identical to those specified should be used.
LCD COLOR TELEVISION
No. S17A9LC32D62U
LC-32D62U
LC-37D62U
DRAFT
LC-32D62U/LC-37D62U 1st

Sharp LC-32D62U Specifications

General

Screen Size	32 inches
Display Type	LCD
Resolution	1366 x 768
Aspect Ratio	16:9
Brightness	450 cd/m²
Response Time	6 ms
HDMI Ports	2
USB Ports	1
Speakers	10W x 2
Viewing Angle	176 degrees
Inputs	HDMI, Component, Composite, RF

Summary

Safety Precautions

Important Service Safety Precautions

Covers critical warnings, fuse replacement, and safety notices for servicing.

Repair and Leakage Current Checks

Details checks for lead dress, protective devices, and leakage current during repair.

Lead-Free Solder Handling

Provides guidelines for using lead-free solder and appropriate soldering techniques.

Chapter 1 Specifications

TV Technical Specifications

Lists detailed technical specifications for the LC-32D62U and LC-37D62U models.

Chapter 2 Operation Manual

Part Identification and Remote Control Usage

Identifies TV parts and explains remote control functions and operation.

Chapter 3 Dimensions

Physical Dimensions and Measurements

Provides physical dimensions and measurements for LC-32D62U and LC-37D62U.

Chapter 4 Removing Major Parts

Disassembly Procedures Overview

Details step-by-step instructions for removing major components from the TV.

Chapter 5 Adjustment Procedures

Software Version Upgrade Process

Guides for upgrading main and monitor microprocessor software via SD card.

Adjustment Process Mode Operations

Explains how to enter, exit, and perform key operations in the adjustment menus.

Video Signal and White Balance Adjustments

Covers procedures for adjusting video signals and white balance calibration.

RS-232 C and Factory Settings

Details adjustment procedures using RS-232C and factory reset operations.

Chapter 6 Troubleshooting Table

No Video Troubleshooting Flowcharts

Step-by-step guides for diagnosing and resolving no video issues across different inputs.

No Audio Troubleshooting Flowcharts

Step-by-step guides for diagnosing and resolving no audio issues across different inputs.

LED Flashing Error Codes Interpretation

Explains LED patterns indicating power and communication failures.

Chapter 7 Major IC Informations

Key Integrated Circuit Descriptions

Details the function, purpose, and characteristics of major ICs used in the TV.

Chapter 8 Wiring and Block Diagrams

Overall Wiring Diagrams

Shows interconnections between major units for LC-32D62U and LC-37D62U models.

System and Main Block Diagrams

Provides high-level functional block diagrams illustrating the TV's architecture.

Chapter 9 Printed Wiring Board Assemblies

PWB Layouts for Main, Terminal, RC, and Key Units

Illustrates component placement and layout on key circuit boards.

Chapter 10 Schematic Diagrams

Schematic Diagram Conventions and Descriptions

Explains symbols, resistor/capacitor indications, and important safety notes.

Unit-Specific Circuit Schematics

Provides detailed circuit diagrams for R/C, LED, Main, Terminal, and Key units.

Parts Guide

Parts Identification and Comprehensive Lists

Lists all replaceable parts, accessories, and packing materials with their respective codes.