Sharp LC-19LE510E User Manual

1
LC-19LE510
LC-22LE510
LC-24LE510
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 ....................................................................................................... 6
IMPORTANT SERVICE SAFETY PRECAUTIONS................................................................................. 9
OPERATION MANUAL ........................................................................................................................... 12
DIMENSIONS ..................................................................................................................................... 18
INTRODUCTION ................................................................................................................................... 21
CIRCUIT DESCRIPTIONS .................................................................................................................. 24
SERVICE MENU SETTINGS .......................................................................................................... 69
SOFTWARE UPDATE ............................................................................................................................ 74
TROUBLESHOOTING ................................................................................................................... 75
OVERALL WIRING DIAGRAM ................................................................................................................. 85
SCHEMATIC DIAGRAMS ............................................................................................................ 88
PRINTED WIRING BOARD ............................................................................................................... 99
REPLACEMENT PARTS LIST ................................................................................................................101
CABINET AND MECHANICAL PARTS LISTING ..................................................................................... 125
Issued: 7 October 2011
SE00LC19LE510
MODEL
LC-19LE510E/K
LC-22LE510E/K
LC-24LE510E/K
This document has been published to
be used for after sales service only.
The contents are subject to change without notice.
LC-22DV510E
LCD COLOUR TELEVISION OPERATION MANUAL
ENGLISH
50186839
SHARP ELECTRONICS (Europe) GmbH
Sonninstraße 3, D-20097 Hamburg
SHARP CORPORATION
http://www.sharp-eu.com
MB60 CHASSIS
SHARP CORPORATION

Sharp LC-19LE510E Specifications

General

Brand	Sharp
Model	LC-19LE510E
Category	LED TV
Language	English

Summary

Electrical Specifications

Important Service Safety Precautions

Circuit Descriptions

Tuner Circuit Description

Audio Amplifier Stage AZAD2102

Description and features of the AZAD2102 audio amplifier IC.

Audio Amplifier Stage TPA3113

Description and features of the TPA3113 audio amplifier IC.

Power Stage

Description of the power stage circuits, including supply voltages.

USB Interface

LM1117 Voltage Regulators

MP2012 Step-Down Converter

RTA8283A DC/DC Converter

MP1583 Step-Down Regulator

Service Menu Settings Access

Procedure to access the service menu and initial screen items.

Service Menu: Video Settings

Adjustable video settings within the service menu.

Service Menu: Audio Settings

Adjustable audio settings within the service menu.

Service Menu: Options Settings

Configuration options available in the service menu.

Service Menu: Tuning Settings

Settings related to channel tuning within the service menu.

Service Menu: Source Settings

Settings for selecting input sources in the service menu.

Service Menu: Diagnostic Tests

Diagnostic tests and status checks accessible via the service menu.

Service Menu: USB Operations

Software Update Procedure

Software Update via USB

Procedure for updating TV software using a USB drive.

Troubleshooting Common Issues

Troubleshooting: No Backlight Problem

Diagnosing issues related to the TV's backlight and dimming circuit.

Troubleshooting: CI Module Problem

Diagnosing issues with the CI module not working or detected.

Troubleshooting: LED Blinking Problem

Diagnosing issues indicated by blinking LEDs, often related to Vcc shorts.

Troubleshooting: IR Problem

Troubleshooting: Keypad/Touchpad Problems

Troubleshooting: USB Problems

Diagnosing USB connectivity or detection issues, checking supply voltage.

Troubleshooting: No Sound Problem (Speakers)

Diagnosing lack of audio output from main TV speakers.

Troubleshooting: No Sound Problem (Headphones)

Diagnosing lack of audio output from the headphone jack.

Troubleshooting: Standby On/Off Issues

Diagnosing problems with TV booting or hanging in standby mode.

Troubleshooting: No Signal Problem

Diagnosing no signal issues in TV mode, checking tuner and AGC.

Overall Wiring Diagram

Overall Wiring Diagram LC-19LE510

Wiring diagram for the LC-19LE510 model, showing board interconnections.

Overall Wiring Diagram LC-22LE510

Wiring diagram for the LC-22LE510 model, showing board interconnections.

Overall Wiring Diagram LC-24LE510

Schematic Diagrams

Schematic: Tuner & T2 Demodulator

Schematic: Peripherals Diagram

Schematic: Audio IO & HDMI Inputs Diagram

Schematic: Audio Amp & Headphone Amp Diagram

Schematic: CI, NAND Flash, Ethernet Diagram

Schematic: Main Power 1/2 Diagram

Part 1 of the main power supply schematic, showing voltage regulators and converters.

Schematic: Main Power 2/2 Diagram

Part 2 of the main power supply schematic, detailing power options and block diagrams.

Schematic: Power Supply Diagram

Schematic: LED Converter Diagram

Printed Wiring Board Layout

Printed Wiring Board Layout (Main Unit Top)

Replacement Parts List

Replacement Parts List