Hitachi LE40TF07A User Manual

LE40TF07A
SC No. 0075E
Mar 2012
* MECHANICAL EXPLODED VIEW.........11
* PRODUCT SPECIFICATIONS...............5
* FUNCTIONAL OVERVIEW....................6-8
* CONNECTIONS.....................................9-10
* DISASSEMBLY INSTRUCTIONS..........12-13
Contents
* TROUBLESHOOTING............................26-29
* SCHEMATIC DIAGRAMS......................17-25
* BLOCK DIAGRAMS...............................14-16
* PRINTED CIRCUIT BOARDS.................30-33
Main PCB Board................................19-24
Others................................................25
Power PCB Board.............................17-18
LCD Television with LED Back Light
* SERVICING NOTICES...........................2-4
* PEPLACEMENT PART LISTS................34-40

Hitachi LE40TF07A Specifications

General

Screen Size	40 inches
HD Technology	Full HD
Aspect Ratio	16:9
HDMI Ports	3
USB Ports	1
Display Technology	LED
Resolution	1920 x 1080
Viewing Angle	178° (H) / 178° (V)

Summary

Servicing Notices

General Servicing and Safety Checks

General notices and warnings for servicing and checking procedures.

Flat Package IC Removal

Detailed instructions for removing flat package ICs.

Flat Package IC Installation

Detailed instructions for installing flat package ICs.

Functional Overviews

TV Button and Rear Panel Layout

Remote Control Operation

Remote Control Usage and Batteries

Disassembly Procedures

System Block Diagrams

Overall System Block Diagram

PCB Interconnection Details

Circuit Schematic Diagrams

AC Line and Power Factor Correction

Circuit diagram for AC input and PFC stage.

Power Supply Circuits

Circuit diagram for various power supply sections.

DC Power Supplies

Detailed circuit diagrams for DC power supply circuits.

Main Microcontroller Unit (MCU)

Circuit diagram related to the main MCU (MST6M181VS).

AV Terminals Circuitry

HDMI Terminals and Switching

Tuner and IF Sections

Audio Amplifier and Headphone

Remote Control and Indicators

Troubleshooting Guide

Power On Issues

Troubleshooting steps for when the TV fails to power on.

No Audio with Picture

Troubleshooting steps for audio issues with a visible picture.

No Picture

Troubleshooting steps when the screen remains blank.

Color Display Problems

Troubleshooting steps for color display issues.

Replacement Part Lists

Major Assemblies and Miscellaneous Parts