Sharp LC-32LD145K

1
LC-32LD145
LC-39LD145
SERVICE MANUAL
LED LCD COLOUR TELEVISION
160mm
125mm
100mm
80mm
63mm
50mm
40mm
31.5mm
25mm
20mm
A-data-1
sharp.
Corporate Trademark
DVB-T / DVB-C (HDTV), PAL B/G, I / SECAM B/G, D/K, L/L’ SYSTEM COLOUR TELEVISION
In the interests of user safety (required by safety
regulations in some countries) the set should be re-
stored to its original condition and only parts identical
to those specied should be used.
CONTENTS
TABLE OF CONTENTS ....................................................................................................................... 2
ELECTRICAL SPECIFICATIONS ....................................................................................................... 4
IMPORTANT SERVICE SAFETY PRECAUTIONS ................................................................................ 5
OPERATION MANUAL ........................................................................................................................... 8
DIMENSIONS .................................................................................................................................... 11
CAUTION WHEN REMOVE THE REAR CABINET .................................................................................... 13
INTRODUCTION ............................................................................................................................... 16
CIRCUIT DESCRIPTIONS .................................................................................................................. 19
SERVICE MENU SETTINGS .................................................................................................................... 49
SOFWARE UPDATE .............................................................................................................................. 54
TROUBLESHOOTING ........................................................................................................................... 54
OVERALL WIRING DIAGRAM ........................................................................................................ 63
SCHEMATIC DIAGRAMANS ........................................................................................................... 65
REPLACEMENT PART LISTING ................................................................................................ 83
Issued:26
th
July 2013
SE00LC32LD145
MODEL
LC-32LD145E
LC-32LD145K
LC-32LD145V
LC-39LD145E
LC-39LD145K
LC-39LD145V
This document has been published to
be used for after sales service only.
The contents are subject to change without notice.
SHARP ELECTRONICS (UK) Limited
4 Furzeground Way, Stockley Park
Uxbridge, UB11 1EZ, UK
50242458
LCD COLOUR TELEVISION OPERATION MANUAL
ENGLISH
LC-32LD145E
LCD-FARB-TV BEDIENUNGSANLEITUNG
DEUTSCH
TELEVISIONE A COLORI LCD MANUALE DI FUNZIONAMENTO
ITALIANO
TÉLÉVISEUR LCD COULEUR MODE D'EMPLOI
FRANÇAIS
17MB82 CHASSIS
SHARP CORPORATION

Sharp LC-32LD145K Specifications

General

Brand	Sharp
Model	LC-32LD145K
Category	LCD TV
Language	English

Summary

Electrical Specifications

Important Service Safety Precautions

Operation Manual

Remote Control and Button Functions

Describes TV remote control layout, button functions, and customizable buttons.

Basic TV Operation and Setup

Guides for TV control buttons, battery insertion, power, and antenna connection.

Input Connections Guide

Details various input/output connectors and their connections.

Dimensions

Rear Cabinet Removal Caution

Introduction and System Overview

System Overview and Block Diagrams

Introduces the 17MB82 mainboard, IC, and provides block diagrams.

Circuit Descriptions

Tuner and Audio Circuits

Details tuner (MXL601) and audio amplifier (TAS5721) circuits.

Power Stage and Management

Explains the power stage, including short circuit protection and power management.

Microcontroller and Peripherals

Describes MT5820 IC, features, CPU, and related peripheral interfaces.

Memory Components

Covers DDR3 SDRAM and SPI Flash memory details.

Interface and Scaler Circuits

Illustrates scaler, LVDS sockets, and panel supply switch circuits.

Voltage Regulator (LM1117)

LM1117 Features and Applications

Lists features and applications of the LM1117 low-dropout linear regulator.

Connectors Guide

HDMI and USB Connectors

Describes the pinout and signals for HDMI and USB connectors.

VGA and SCART Connectors

Details pinout and signals for VGA and SCART connectors.

Service Menu Settings

Accessing the Service Menu

Explains how to access the service menu and lists main menu items.

Video, Audio, Options, and Tuning

Details configuration options for video, audio, options, and tuning.

Source Settings and Diagnostics

Covers source selection, diagnostic features, and USB operations.

Software Update

Troubleshooting Common Issues

Backlight, CI Module, and LED Blinking Problems

Addresses no backlight, CI module, and LED blinking issues.

IR, Keypad, and USB Problems

Troubleshooting for IR, keypad, USB, and sound issues.

Signal and Standby Problems

Addresses no signal, sound, and standby/power issues.

Wiring Diagrams

Overall Wiring Diagram

Provides an overall wiring diagram of the MB82 and IPS19 chassis.

Schematic Diagrams

Printed Wiring Board (Main Board)

Power Board 17 IPS20 (39 12)

Power Board 17 IPS20 (39 22)

Cabinet and Mechanical Components

Mechanical Parts Listing (LC-32 LD145 E)

Lists cabinet and mechanical components for the LC-32LD145E model.

Accessories and Packing Parts

Lists included accessories and packing components for the TV.

Cabinet and Mechanical Parts Listing (LC-39 LD145)

Replacement Parts Listing

Integrated Circuits, Transistors, and Diodes

Lists replacement ICs, transistors, and diodes with reference numbers and codes.

Packaged Circuits, Coils, and Filters

Lists replacement packaged circuits, coils, and filters with reference numbers.

Capacitors Parts List

Resistors Parts List

Miscellaneous Parts List