Sharp LC-32LE511E

1
LC-32LE511
LC-40LE511
LC-40LE531
LC-32LE511
LC-40LE511
LC-40LE531
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
1st Edition
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 ............................................................................. 7
OPERATION MANUAL .......................................................................................................................... 10
DIMENSIONS ..................................................................................................................................... 19
INTRODUCTION ................................................................................................................................. 21
CIRCUIT DESCRIPTIONS ....................................................................................................................... 22
SOFTWARE UPDATE ........................................................................................................................... 70
TROUBLESHOOTING................................................................................................................... 70
SERVICE MENU SETTINGS .......................................................................................................... 78
GENERAL BLOCK DIAGRAM ........................................................................................................... 80
OVERAL WIRING BOARD ....................................................................................................... 81
SCHEMATIC DIAGRAMS ............................................................................................................. 84
PRINTED WIRING BOARD ............................................................................................................ 101
REPLACEMENT PARTS LISTING ...................................................................................................... 103
CABINET AND MECHANICAL PARTS LIST ........................................................................................ 149
Issued: 19 July 2011
MODEL
LC-32LE511E
LC-40LE511E
LC-40LE531E
This document has been published to
be used for after sales service only.
The contents are subject to change without notice.
LC-40LE511E
LCD COLOUR TELEVISION OPERATION MANUAL
ENGLISH
50186878
SHARP ELECTRONICS (UK) Limited
4 Furzeground Way, Stockley Park
Uxbridge, UB11 1EZ, UK
MB70 CHASSIS
SHARP CORPORATION

Sharp LC-32LE511E Specifications

General

Brand	Sharp
Model	LC-32LE511E
Category	LED TV
Language	English

Summary

Service Manual Overview

Electrical Specifications

Digital Reception Standards (DVB-TCT2)

Important Service Safety Precautions

Warning and FireShock Hazard Notes

Crucial warnings regarding modifications and handling of electrical hazards.

Safety Checks and Leakage Current Test

Procedures for ensuring safety before returning the unit, including leakage current testing.

Operation Manual

Remote Control Buttons Overview

Identifies and describes the functions of each button on the remote control handset.

LCD TV and Operating Buttons

Power and Antenna Connection

Using USB Inputs and Disk Connection

Remote Control Handset and TV Power Control

Circuit Descriptions

Tuner Circuitry

Audio Amplifier Stages

Details the main audio amplifier (TPA3110) for audio output, including its general description and features.

Line-Out and Head-Phone Amplifier Stage

Subwoofer Amplifier Stage

Power Stage

MB70 Power Management Block Diagram

Illustrates the power management architecture and the role of the 17PW26 power board.

Fairchild FAN2110 (U19-U20) Description

MP2012 (U39) Step-Down Converter

LM1117 (U21-U23-U24) Voltage Regulators

Microcontroller (Broadcom)

BCM3556 General Description and Features

Details the BCM3556 SoC, its integration of DTV functions, and advanced multimedia capabilities.

Video Back-End Processor (Trident)

PNX5120 EH General Description and Features

Explains the PNX5120EH video improvement IC, its picture processing features, and technical specifications.

FPGA (Spartan-3 E)

XC3 S1200 E General Description and Features

USB Interface

USB Circuit Components and Function

Explains the USB interface connectivity and its main components, including protection ICs.

DVB-CT2 Demodulator

Sony CXD2820 R Key Features

Details the Sony CXD2820R demodulator, its standards compliance, and supported modes.

Low Power&CEC Microcontroller

NEC uPD78 F0503 Pinning and Functionality

HDMI Switch

Silicon Image SiI9287 B Key Features

Outlines the key features of the SiI9287B HDMI switch, including its processing capabilities and compliance.

Software Update

Main SW Update Procedure

Instructions for updating the main IC software via USB ports.

Panel Configuration File Update

Steps for updating the panel configuration file using USB for new panel settings.

Stby-Microcontroller File Update

Procedure to update the standby microcontroller firmware via the service menu.

Troubleshooting

No Backlight Problem Diagnosis

Guides on diagnosing and resolving issues related to the absence of backlight on the TV panel.

CI Module Problem Diagnosis

Troubleshooting steps for CI module issues, focusing on supply, control pins, and mechanical checks.

Staying in Stand-by Mode

Addresses issues where the TV remains in standby mode without other operations, suggesting Vcc short checks.

IR Problem Diagnosis

Troubleshooting steps for IR or LED functionality issues, checking the LED card supply.

Keypad Touchpad Problems

Guidance on diagnosing and resolving issues with the keypad or touchpad not functioning.

USB Problems and No Sound

Troubleshooting for USB detection issues and lack of audio output, checking supply voltages.

Standby OnOff Problem Diagnosis

Addresses TV boot issues or hangs in standby mode, suggesting power supply and SW checks.

No Signal Problem Diagnosis

Troubleshooting steps for missing TV signals, checking tuner settings and AGC voltage.

Service Menu Settings

Accessing and Navigating Service Menu

Instructions on how to access the service menu using the remote control and its main screen.

Video Settings Configuration

Audio Settings Configuration

Schematic Diagrams

HDMI, USB, Ethernet & Keyboard Schematics

Provides detailed circuit diagrams for the HDMI, USB, Ethernet, and Keyboard interfaces.

CI and NAND Flash, Panel SW & Dim Schematics

HDMI (SiI9287 B) and Main Power Schematics

Audio Amplifier Schematics

DVB C & DVB T2 Schematics

Power Supply Diagram

Halft-Bridge Resonant Mode Power Supply

Detailed schematic of the half-bridge resonant mode power supply unit.

Replacement Parts Listing

Integrated Circuits

Transistors and Diodes