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Sharp LC-55LE643U_FPTW - User Manual

Sharp LC-55LE643U_FPTW
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Service Manual
Top Confidential
Model : LCD TV 55" SHARP
LC-55LE643U_FPTW
(AUO T550HVN06.0)
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Sharp LC-55LE643U_FPTW Specifications

General IconGeneral
BrandSharp
ModelLC-55LE643U_FPTW
CategoryLCD TV
LanguageEnglish

Summary

Chapter 1 Features

Chapter 2 Specification

TFT LCD CHARACTERISTICS

Detailed specifications for the TFT LCD panel, including dimensions and color coordinates.

Input Connectors

Lists all available input ports for various signal types and protocols.

Output Connectors

Lists all available output ports for audio signals.

Power Supply

Details input voltage, current, and power consumption in different modes.

Speaker

Specifies speaker output power and impedance.

ENVIRONMENT

Specifies operating temperature, humidity, and altitude limits.

Dimensions (Physical dimension)

Provides physical dimensions for the display module and module with base.

Weight (Physical weight)

Details the net and gross weight of the device.

Precautions

General advice for using the TFT LCD module safely and correctly.

Chapter 3 On Screen Display

LED indicator display on the front

Describes the status and remarks for the front LED indicator.

Explanation of user control panel on the side

Details the user control panel layout and function.

Chapter 4 Factory preset timings

Chapter 5 Pin Assignment

HDMI CONNECT PIN ASSIGNMENT

Details the pin assignments for the HDMI connector and associated signals.

AV;Composite Video (CVBS) Connector

Specifies frequency, signal level, and connector type for AV/CVBS.

Component video Connector

Specifies frequency, signal level, and connector type for component video.

Audio in of Video port

Specifies signal level, impedance, frequency response, and connector type.

Digital Audio Out (Optical)

Specifies wave length, transmission speed, and connector type.

Analog Audio Out

Specifies signal level, impedance, frequency response, and connector type.

Chapter 6 Main Board I;O Connections

JP1 CONNECTION [Power Board to Main BD]

Lists pin assignments and descriptions for JP1 connection from power board.

J13 CONNECTION [Main BD to IR Light Sensor BD]

Lists pin assignments and descriptions for J13 connection to IR sensor.

JI3 CONNECTION [Main BD to Display BD]

Lists pin assignments and descriptions for JI3 connection to display board.

JA1 CONNECTION [Main BD to SPEAKER]

Lists pin assignments and descriptions for JA1 connection to speaker.

JL2 CONNECTION [Main BD to Panel Side]

Lists pin assignments and descriptions for JL2 connection to panel.

Chapter 7 Theory of Circuit Operation

HDMI CON Input Route

Describes the signal processing path for HDMI input.

HDTV & Component Input Route

Details signal processing for HDTV and Component inputs.

CVBS Input Route

Explains the signal processing path for CVBS input.

TV Input Route

Describes the signal processing for TV input.

DTV Input Route

Explains the signal processing for DTV input.

Keypad Operation

Describes keypad functionality and LED indicator status.

Absolute Maximum Rating

Specifies the maximum electrical limits for device operation.

DC Characteristics

Details the DC electrical characteristics of the device.

Thermal Characteristics

Specifies the thermal operating limits of the device.

HDMI AC;DC Characteristics

Details the AC/DC electrical characteristics for HDMI interface.

LVDS AC Characteristics

Details the AC electrical characteristics for LVDS interface.

Chapter 8 Waveforms

TMDS 1080 I Input Waveform

Displays waveform for TMDS 1080i input signal.

TMDS 1080 P Input Waveform

Displays waveform for TMDS 1080p input signal.

100% Color Bar Waveform

Shows waveform for 100% color bar signal (Component Y).

High-Frequency Timing Signals for CVBS

Displays waveform for high-frequency timing signals for CVBS.

25% Gray Signal Waveform

Shows waveforms for 25% gray signal (Component Y/Pb/Pr).

Chapter 9 Trouble shooting

Troubleshooting TV, Composite, Video Display Issues

Flowchart for resolving display issues with TV, Composite, and Video inputs.

Troubleshooting HDMI Display Issues

Flowchart for resolving display issues with HDMI input.

Troubleshooting DC-DC Converter Issues

Flowchart for diagnosing DC-DC converter voltage problems.

Troubleshooting TV Side Audio Issues

Flowchart for diagnosing audio issues on the TV side.

Chapter 10 Block Diagram

System Block Diagram

Illustrates the main components and their interconnections.

Power Tree

Diagram showing the power supply distribution throughout the system.

Chapter 11 How to Enter Factory;Service Mode

Enter Factory Menu

Steps to access the factory menu using input source and password.

Enter Service Menu

Steps to access the service menu using input source and password.

Chapter 12 How to update FW

Update FW

Step-by-step guide for updating the TV firmware via USB.

Chapter 13 Spare Parts List

Chapter 14 Complete Parts List

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