Sharp LC-50LE750E

1
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
MODELS
LC-39LE750E/V
LC-39LE751E/K/RU/V
LC-39LE752E/V
LC-50LE750E/V
LC-50LE751E/K/RU/V
LC-50LE752E/V
SERVICE MANUAL
LED LCD COLOUR TELEVISION
Wi-Fi & 3D Ready / DVB-T / T2 / C / S / S2 PAL B/G, I / SECAM B/G, D/K, L/L’ SYSTEM COLOUR TELEVISION
SHARP CORPORATION
This document has been published to
be used for after sales service only.
The contents are subject to chage without notice.
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 specifi ed should be used.
CONTENTS
ELECTRICAL SPECIFICATIONS ........................................................................................ 2
IMPORTANT SERVICE SAFETY PRECAUTIONS ......................................................................... 4
OPERATION MANUAL .................................................................................................................... 6
DIMENSIONS .................................................................................................................... 23
REMOVING OF MAJOR PARTS ..................................................................................................... 24
SERVICE ADJUSTMENTS ............................................................................................................. 33
PUBLIC MODE .................................................................................................................................... 44
SOFTWARE UPGRADING ............................................................................................................. 47
MAJOR ICs INFORMATION ..................................................................................................... 48
BLOCK DIAGRAMS ..................................................................................................................... 63
SCHEMATIC DIAGRAMS ....................................................................................................... 66
PRINTED WIRING BOARDS ......................................................................................................... 114
REPLACEMENT PARTS LIST ....................................................................................................... 121
CABINET AND MECHANICAL PARTS ............................................................................................ 160
PACKING OF THE SET ....................................................................................................................... 164
Issued: 30
th
August 2013
L
L
L
L
L
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SE00LC39LE750
LC-39LE750E/V (B)
LC-39LE751E/K/RU/V (B)
LC-39LE752E/V (B)
LC-50LE750E/V (B)
LC-50LE751E/K/RU/V (B)
LC-50LE752E/V

Sharp LC-50LE750E Specifications

General

Screen Size	50 inches
Resolution	1920 x 1080 pixels
Display Type	LCD
Backlight	LED
Smart TV	Yes
HDMI Ports	4
USB Ports	2
Wi-Fi	Yes
3D	No
Refresh Rate	100 Hz
Sound Output	20 W

Summary

Service Manual Overview

Table of Contents

Lists all sections and their corresponding page numbers.

Specifications

Important Service Safety Precautions

Warning and Safety Notices

Crucial safety instructions, warnings, and precautions for servicing to prevent hazards.

Operation Manual

Remote Control Unit Overview

Operation Manual Continued

Initial Installation Overview

Connecting External Devices

Troubleshooting Guide

Lists common problems and their possible solutions for TV operation.

Multimedia and Network Setup

Instructions for connecting the TV to a network via wired or wireless methods.

Wireless Network Connection Details

AQUOS NET+ Feature Overview

Quick Guide: Initial Auto Installation

Setting Broadcast and Language Options

Quick Guide: Reception Settings

DVB-C and DVB-S Reception Settings

Quick Guide: Satellite Reception Setup

Quick Guide: Reception Options

Removing of Major Parts

Removing Major Parts - 39 Models

Step-by-step instructions for disassembling major parts of the 39-inch models.

Removing of Major Parts Continued

Removing Power Unit, Main Unit, and Brackets

Detaching Stand Bracket, Key Unit, and Diffuser

Detaching the LCD Module

Disconnecting PWB Connectors - 50 Models

Removing Power Unit and Main Unit - 50 Models

Detaching Key Unit and Diffuser - 50 Models

Detaching the LCD Module - 50 Models

Removing of Major Parts - 50 Models

Service Adjustments

PWBIC Replacement Adjustment

Procedure for adjusting settings after replacing main unit PWB or ICs.

Service Mode Operations

Remote Control Key Operation and Display

Explains how to operate the remote control in service mode and describes the display menu.

Service Mode Display Description

System Data, GUI, and Exception Settings

Service Mode Display Description Continued

Chassis Options and Power Settings

DVB and Common Interface Settings

PQ Settings and Public Mode

Public Mode and White Balance

White Balance Adjustment Details

NVM Erase and Test Patterns

White Balance Adjustment

Initialization to Factory Setting

Public Mode (Hotel Mode)

Entering and Setting Public Mode

Public Mode Menu Settings

Smart Loader and RS232 Adjustments

Software Upgrading

Software Update Methods

Major ICs Information

Major ICs Information Continued

SoC Freeman Premier 2 (FLI7560)

Silicon Tuner (Si2178)

DVB-TC Demodulator (Si2165)

DVB-TCSS2 Demodulator (Si2167)

DVB-TCT2 Demodulator (Si2168)

DVB-T2 TC Demodulator Details

Power Unit Block Diagram

Main Unit Block Diagram (LE750 Series)

Main Unit Block Diagram (LE751752 Series)

Main Unit Diagram 115 (SoC) (LE750 Series)

Main Unit Diagram 215 (System Power ) (LE750 Series)

Main Unit Diagram 115 (SoC) (LE752 Series)

Main Unit Diagram 215 (System Power ) (LE751 Series)

Main Unit Diagram 215 (System Power ) (LE752 Series)

Power Supply Diagram (RDENCA459 WJQZ)

LC-39 LE750 ELE751 K PARTS LISTING REPLACEMENT PARTS

LC-39 LE750 ELE751 K PARTS LISTING REPLACEMENT PARTS Continued

Integrated Circuits, Transistors, Diodes

Lists replacement parts for integrated circuits, transistors, diodes, and packaged circuits.

Capacitors

Continues the list of replacement parts, focusing on capacitors.

Resistors, Transformers, Miscellaneous

Continues the list of replacement parts, including resistors, transformers, and miscellaneous items.

Miscellaneous Parts and Accessories

Continues the parts list, listing TV miscellaneous parts and accessories like WiFi dongle, remote control, and manuals.

LC-39 LE752 E PARTS LISTING REPLACEMENT PARTS

Modules, PWBs, ICs

Lists replacement parts for LC-39LE752E model, including modules, PWBs, and ICs.

LC-39 LE752 E PARTS LISTING REPLACEMENT PARTS Continued

Capacitors Continued

Continues the parts list, detailing capacitors and resistors.

Resistors

Continues the parts list, detailing resistors.

Resistors Continued

Continues the parts list, detailing resistors.

ICs, Transistors, Diodes, Filters, Capacitors

Continues the parts list, detailing ICs, transistors, diodes, filters, and capacitors.

Resistors and CoilsFilters

Continues the parts list, detailing resistors and coils/filters.

Capacitors and Resistors

Continues the parts list, focusing on capacitors and resistors.

Capacitors, Resistors, Miscellaneous

Continues the parts list, detailing capacitors, resistors, miscellaneous parts, and transformers.

ICs, Transistors, Diodes, Packaged Circuits

Continues the parts list, detailing ICs, transistors, diodes, and packaged circuits.

Varistors, Crystals, Ferrites, Coils, Capacitors

Continues the parts list, detailing VARISTORS, CRYSTALS, FERRITES, COILS, and CAPACITORS.

CABINET AND MECHANICAL PARTS 39

CABINET AND MECHANICAL PARTS 50

39 CABINET AND MECHANICAL PARTS LISTING

50 CABINET AND MECHANICAL PART LISTING