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Sharp LC-60LE745U - User Manual

Sharp LC-60LE745U
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LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition)
SERVICE MANUAL
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION............................................................i
PRECAUTIONS A PRENDRE LORS DE
LA REPARATION...............................................ii
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ...........................................................iii
OUTLINE
MAJOR SERVICE PARTS ................................iv
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
CHAPTER 2. OPERATION MANUAL
[1] OPERATION MANUAL .................................. 2-1
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS ................................................ 3-1
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS (LC-
60LE745U,C7450U)....................................... 4-1
[2] REMOVING OF MAJOR PARTS (LC-
70LE745U,C7450U)....................................... 4-7
[3] The location putting on the heat measure
sheet............................................................4-13
[4] Precautions for assembly ............................4-14
CHAPTER 5. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE ......................5-1
[2]
PUBLIC MODE SETTING PROCEDURE
.......5-15
CHAPTER 6. TROUBLESHOOTING TABLE
[1]
Failure diagnosis by LED in front of cabinet
.........6-1
[2] LED flashing specification at the time of an
error (Center icon LED used) ........................6-1
[3] TROUBLESHOOTING TABLE ......................6-5
CHAPTER 7. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS .........................7-1
CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK
DIAGRAM
[1] OVERALL WIRING DIAGRAM (LC-
60LE745U,C7450U) ......................................8-1
[2] OVERALL WIRING DIAGRAM (LC-
70LE745U,C7450U) ......................................8-2
[3] SYSTEM BLOCK DIAGRAM.........................8-3
Parts Guide
TopPage
CONTENTS
No. S12V760LE745U
LCD COLOR TELEVISION
LC-60LE745U,C7450U
LC-60LE845U,C8470U
LC-60LE847U
LC-70LE745U,C7450U
LC-70LE845U,C8470U
LC-70LE847U
MODELS
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
Question and Answer IconNeed help?

Do you have a question about the Sharp LC-60LE745U and is the answer not in the manual?

Sharp LC-60LE745U Specifications

General IconGeneral
Display diagonal60 \
Native aspect ratio16:9
Native refresh rate120 Hz
LED backlighting typeEdge-LED
Supported video modes1080p
Contrast ratio (dynamic)8000000:1
Viewing angle, horizontal176 °
3DYes
3D typeActive
Analog signal format systemNTSC
Digital signal format systemATSC
RMS rated power20 W
Number of speakers2
DVI portNo
HDMI ports quantity4
DVI-D ports quantity0
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Digital audio optical out1
Electronic Program Guide (EPG)-
Product colorBlack
AC input voltage120 V
AC input frequency60 Hz
Power consumption (max)170 W
Power consumption (standby)- W
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)366 mm
Height (with stand)887 mm
Weight (with stand)34500 g
Depth (without stand)55 mm
Width (without stand)1390 mm
Height (without stand)838 mm
Weight (without stand)27500 g

Summary

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY PRECAUTION

Essential safety guidelines for service technicians performing repairs.

BEFORE RETURNING THE RECEIVER

Checks and hazards to address before returning the unit to the user.

SAFETY NOTICE

Information on safety characteristics of parts and replacement precautions.

LEAD-FREE SOLDER PRECAUTIONS

Employing Lead-Free Solder

Information on using lead-free solder and identifying the LF symbol.

Using Lead-Free Wire Solder

Guidelines for applying and soldering with lead-free wire.

MAJOR SERVICE PARTS

PWB Unit

List of Printed Wiring Board assemblies with part codes.

Other Unit

List of other service parts like LCD Panel Modules.

IC For Exclusive Use Of The Service

Specific ICs for service use, including monitor microprocessors.

Service Jigs

List of required service jigs and connecting cords.

TELEVISION SPECIFICATIONS

Detailed TV Specifications

Technical specifications including size, resolution, functions, terminals, and power.

OPERATION MANUAL

TV Part Names (Front;Side)

Identification of front and side physical parts of the TV.

TV Part Names (Rear)

Identification of rear physical parts and connectors of the TV.

REMOTE CONTROL UNIT

Remote Control Part Names

Detailed labeling and function of each button on the remote control.

QUICK REFERENCE: STAND ATTACHMENT

Attaching the Stand (LC-70 LE745 U models)

Step-by-step instructions for attaching the stand to 70" models.

Attaching the Stand (LC-60 LE745 U models)

Step-by-step instructions for attaching the stand to 60" models.

PRODUCT DIMENSIONS

Dimensional Drawings (LC-70 LE745 U models)

Visual representation of the physical dimensions for 70" TV models.

Dimensional Drawings (LC-60 LE745 U models)

Visual representation of the physical dimensions for 60" TV models.

MAJOR PARTS DISASSEMBLY

Removing Stand Unit and Rear Cabinet (60 Models)

Steps to remove stand unit and rear cabinet for 60" models.

Assembly Precautions

Cautions for proper assembly to avoid clearances between cabinet parts.

Removing Bottom Cover, Speaker Units, and KEY Unit

Steps to remove bottom cover, speaker units, and key unit.

Removing Connectors

Instructions for disconnecting various connectors from main units.

Removing Power, Main, and LCD Control Units

Steps to remove power, main, and LCD control units.

Removing RF, Wi-Fi, ICON Units, and Covers

Steps to remove RF units, Wi-Fi, ICON units, and decorative covers.

Removing Stand Unit and Rear Cabinet (70 Models)

Steps to remove stand unit and rear cabinet for 70" models.

Assembly Precautions (70 Models)

Cautions for proper assembly between CAB-A and CAB-B for 70" models.

Removing Bottom Cover and KEY Unit (70 Models)

Steps to remove bottom cover and key unit for 70" models.

Removing Connectors (70 Models)

Instructions for disconnecting connectors from main units for 70" models.

Removing Speaker, LCD Control, Main, and Power Units (70 Models)

Steps to remove speaker, LCD control, main, and power/driver units for 70" models.

Removing Covers, IR, Wi-Fi, ICON Units, Speaker Unit (70 Models)

Steps to remove covers, IR, Wi-Fi, ICON units, and speaker unit for 70" models.

Heat Measurement Locations

Location for applying heat measure sheet on main PWB and LCD control unit.

PWB Mounting and EMI Prevention

Precautions for mounting main PWB and ensuring EMI-prevention parts are correctly placed.

Main PWB Mounting Diagram

Diagram showing main PWB mounting and access holes for confirmation.

ADJUSTMENT PROCEDURES

PWB Unit and IC Replacement Adjustments

Procedures after replacing PWB units or ICs, including software updates.

Software Version Upgrade

Steps to upgrade main and monitor microprocessor software using USB memory.

Software Upgrade Process

Detailed steps for upgrading software and interpreting upgrade screens.

Monitor Microprocessor Software Upgrade

Steps for upgrading monitor microprocessor software and performing Industry Init.

Entering;Exiting Adjustment Mode

Procedures to enter and exit the adjustment process mode.

ADJUSTMENT PROCESS MENU ITEMS

Adjustment Menu List

List of adjustment items and their descriptions across different pages.

Adjustment Menu List

Continuation of adjustment items, including analog RGB, component, and tuner adjustments.

Adjustment Menu List

Continuation of adjustment items, including test patterns and version checks.

Adjustment Menu List

Continuation of adjustment items, including WiFi settings and error cause resets.

Standby Cause Details

Explanation of normal and error standby cause codes and their meanings.

SIGNAL ADJUSTMENT PROCEDURES

Device Check and Signal Levels

Checks for adjustment jig, signal source, and signal levels.

Composite N358 Signal;Tuner Adjustment

Procedures for adjusting composite N358 signal and tuner input.

Component 33 K Signal Adjustment

Steps for adjusting component 33K signal.

Analog RGB Signal Adjustment

Steps for adjusting analog RGB signal.

Tuner;V-CHIP Adjustment

Steps for adjusting tuner and V-CHIP.

WHITE BALANCE ADJUSTMENT

White Balance Adjustment Procedure

Detailed steps and parameters for white balance adjustment.

CONFIGURATION PROCEDURES

Key Writing (MAC, Netflix;WMDRM)

Procedures for writing MAC and Netflix/WMDRM keys.

Factory Setting Procedure

Steps to configure factory settings and initialize unit parameters.

PUBLIC MODE SETTING PROCEDURE

How to Start Public Mode

Methods to enter the public mode setup screen using specific key combinations.

Public Mode Menu Options

List and explanation of configurable settings within the Public Mode menu.

SETTING ITEMS CONFIGURATION

Power On Fixed and Maximum Volume Settings

Configuration for power-on behavior and volume limits.

Panel and Menu Button Settings

Configuration for panel buttons, menu buttons, and OSD display.

Input Mode and Speaker Settings

Configuration for input mode selection and loud speaker output.

Public Mode ON;OFF Setting

Setting to enable or disable public mode functionality.

TROUBLESHOOTING GUIDE

Failure Diagnosis by Front LED

Using the center icon LED to diagnose failures.

LED Flashing Patterns

Table detailing slow and fast flashing patterns for various error types.

LED Flashing Error Details

Specific LED flashing sequences for inverter, power, and communication failures.

Other LED Flashing Failure Details

LED flashing details for monitor temperature and main failures.

Troubleshooting: LED Backlight Not On

Flowchart for diagnosing issues when the LED backlight does not turn on.

Troubleshooting: Panel Module Issues

Flowchart for diagnosing issues after replacing C-S FPC or C-PWB.

Troubleshooting: LCD Controller Board

Diagnosing display issues related to the LCD controller board.

TROUBLESHOOTING: NO VIDEO

HDMI INPUT-1 No Video Troubleshooting

Diagnostic steps for no video on HDMI INPUT-1.

HDMI INPUT-2 No Video Troubleshooting

Diagnostic steps for no video on HDMI INPUT-2.

HDMI INPUT-3 No Video Troubleshooting

Diagnostic steps for no video on HDMI INPUT-3.

HDMI INPUT-4 No Video Troubleshooting

Diagnostic steps for no video on HDMI INPUT-4.

COMPONENT INPUT-5 No Video Troubleshooting

Diagnostic steps for no video on COMPONENT INPUT-5.

COMPOSITE INPUT-6 No Video Troubleshooting

Diagnostic steps for no video on COMPOSITE INPUT-6.

COMPOSITE INPUT-7 No Video Troubleshooting

Diagnostic steps for no video on COMPOSITE INPUT-7.

PC INPUT-8 No Video Troubleshooting

Diagnostic steps for no video on PC INPUT-8.

UHF;VHF Broadcast No Video Troubleshooting

Diagnostic steps for no video on UHF/VHF broadcast reception.

Digital Broadcast No Video Troubleshooting

Diagnostic steps for no video on digital broadcast reception.

MHL INPUT-4 No Video Troubleshooting

Diagnostic steps for no video via MHL connection on INPUT-4.

TROUBLESHOOTING: NO AUDIO

INPUT-6, INPUT-7, INPUT-5 No Audio Troubleshooting

Diagnostic steps for no audio on inputs 5, 6, and 7.

INPUT-8 PC Audio No Sound Troubleshooting

Diagnostic steps for no audio on PC INPUT-8.

INPUT-2 HDMI Audio No Sound Troubleshooting

Diagnostic steps for no audio on HDMI INPUT-2.

UHF;VHF Broadcast No Audio Troubleshooting

Diagnostic steps for no audio during UHF/VHF broadcast reception.

Digital Broadcast No Audio Troubleshooting

Diagnostic steps for no audio during digital broadcast reception.

HDMI INPUT Audio No Sound Troubleshooting

Diagnostic steps for no audio on HDMI inputs 1-4.

TROUBLESHOOTING: DIGITAL AUDIO OUTPUT

SPDIF Signal Output Troubleshooting

Steps to check SPDIF signal output for digital audio.

TROUBLESHOOTING: MONITOR AUDIO OUTPUT

Monitor Audio Output Signal Check

Steps to check audio signal outputs from the monitor.

MAJOR INTEGRATED CIRCUITS (ICs)

IC2601: HDMI Port Processor

Details of the 5-input, 1-output HDMI port processor IC.

IC1702: Audio Amplifier

Information on the audio amplifier IC for line-out/headphone.

IC1704: Audio DSP

Details of the Audio DSP IC with digital audio adjustment functions.

WIRING AND BLOCK DIAGRAMS

Overall Wiring Diagram (60 Models)

Diagram showing the overall wiring connections for 60" models.

Overall Wiring Diagram (70 Models)

Diagram showing the overall wiring connections for 70" models.

System Block Diagram

Comprehensive block diagram illustrating the system architecture and component interactions.

SHARP PARTS GUIDE OVERVIEW

Parts Guide Contents

List of sections within the parts guide, including PWB assemblies and cabinet parts.

Printed Wiring Board Assemblies

List of PWB assemblies with part codes and descriptions.

LCD Panel Module Unit

List of LCD panel module units with part codes.

Cabinet Parts (60 Models)

Illustrated breakdown of cabinet parts for 60" models.

Cabinet Parts List (60 Models)

Detailed list of cabinet parts, including screws and covers.

Cabinet Parts (70 Models)

Illustrated breakdown of cabinet parts for 70" models.

Cabinet Parts List (70 Models)

Detailed list of cabinet parts, including screws and covers for 70" models.

Accessories;Packing Parts (60 Models)

List and diagram of supplied accessories and packing materials for 60" models.

Accessories;Packing Parts List (60 Models)

Detailed list of supplied accessories and packing parts for 60" models.

Accessories;Packing Parts (70 Models)

List and diagram of supplied accessories and packing materials for 70" models.

Accessories;Packing Parts List (70 Models)

Detailed list of supplied accessories and packing parts for 70" models.

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