Sharp LC-70LE740E - User Manual

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.
TopPage
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRECAUTION........................... i
Precautions for using lead-free solder ........................................... ii
End of life disposal.........................................................................iii
OUTLINE
MAJOR SERVICE PARTS............................................................ iv
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS (LC-60/70LE740E/RU,741E/S,743E)...........1-1
[2] SPECIFICATIONS (LC-60LE830E, RU/831E, S/833E)..............1-3
[3] SPECIFICATIONS (LC-80LE645E/RU,646E/S,648E)................1-5
CHAPTER 2. OPERATION MANUAL
[1] Parts Name (LC-60/70LE740E/RU,741E/S,743E)......................2-1
[2] OPERATION MANUAL (LC-60/70LE740E/RU,741E/
S,743E) .......................................................................................2-5
[3] Parts Name (LC-60LE830E, RU/831E, S/833E).........................2-6
[4] OPERATION MANUAL (LC-60LE830E, RU/831E, S/
833E) ........................................................................................2-10
[5] Parts Name (LC-80LE645E/RU,646E/S,648E)......................... 2-11
[6] OPERATION MANUAL (LC-80LE645E/RU,646E/S,648E)........2-15
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS (LC-60/70LE740E/RU,741E/S,743E)..................3-1
[2] DIMENSIONS (LC-60LE830E, RU/831E, S/833E).....................3-3
[3] DIMENSIONS (LC-80LE645E/RU,646E/S,648E).......................3-4
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] The location putting on the heat measure sheet.........................4-1
[2] Precautions for assembly............................................................4-3
CHAPTER 5. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE (LC-60/70LE740E/
RU,741E/S,743E) .......................................................................5-1
[2] ADJUSTMENT PROCEDURE (LC-60LE840E/RU,841E/
S,843E) .....................................................................................5-22
[3] ADJUSTMENT PROCEDURE (LC-80LE645E/RU,646E/
S,648E) .....................................................................................5-44
CHAPTER 6. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE (LC-60/70LE740E/
RU,741E/S,743E) .......................................................................6-1
[2] LED flashing specification at the time of the error (LC-60/
70LE740E/RU,741E/S,743E)....................................................6-18
[3] TROUBLESHOOTING TABLE (LC-60LE840E/RU,841E/
S,843E) .....................................................................................6-22
[4] LED flashing specification at the time of the error (LC-
60LE840E/RU,841E/S,843E)....................................................6-39
[5] TROUBLESHOOTING TABLE (LC-80LE645E/RU,646E/
S,648E) .....................................................................................6-43
[6] LED flashing specification at the time of the error (LC-
80LE645E/RU,646E/S,648E)....................................................6-60
CHAPTER 7. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS (LC-60/70LE740E/RU,741E/
S,743E) .......................................................................................7-1
[2] MAJOR IC INFORMATIONS (LC-60LE840E/RU,841E/
S,843E) .......................................................................................7-2
[3] MAJOR IC INFORMATIONS (LC-80LE645E/RU,646E/
S,648E) .......................................................................................7-3
CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM (LC-60LE740E/RU,741E/
S,743E) .......................................................................................8-1
[2] OVERALL WIRING DIAGRAM (LC-70LE740E/RU,741E/
S,743E) .......................................................................................8-2
[3] OVERALL WIRING DIAGRAM (LC-60LE840E/RU,841E/
S,843E) .......................................................................................8-3
[4] OVERALL WIRING DIAGRAM (LC-80LE645E/RU,646E/
S,648E) .............................................................................
..........8-4
[5] SYSTEM BLOCK DIAGRAM (LC-60/70LE740E/RU,743E)..........8-5
[6] SYSTEM BLOCK DIAGRAM (LC-60/70LE741E/S)....................8-6
[7] SYSTEM BLOCK DIAGRAM (LC-60LE840E/RU,843E).............8-7
[8] SYSTEM BLOCK DIAGRAM (LC-60LE841E/S).........................8-8
[9] SYSTEM BLOCK DIAGRAM (LC-80LE645E/RU,648E).............8-9
[10] SYSTEM BLOCK DIAGRAM (LC-80LE646E/S).......................8-10
Parts Guide
CONTENTS
No. S32W360LE740E
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,848E (1st Edition)
LC-60/70LE740E/RU
LC-60/70LE741E/S
LC-60/70LE743E
LC-60LE840E/RU
LC-60LE841E/S
LC-60LE843E
LC-80LE645E/RU
LC-80LE646E/S
LC-80LE648E
MODELS
LCD COLOUR TELEVISION
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.

Sharp LC-70LE740E Specifications

General

Display diagonal	70 \
Display brightness	- cd/m²
Native refresh rate	100 Hz
Supported video modes	1080p
Viewing angle, vertical	176 °
Display diagonal (metric)	177 cm
Supported graphics resolutions	1920 x 1080 (HD 1080)
Dynamic contrast ratio marketing name	Mega Contrast
3D	Yes
Volume control	Digital
Headphone connectivity	3.5 mm
Annual energy consumption	197 kWh
Tuner type	Analog & digital
Analog signal format system	NTSC, PAL, SECAM
Digital signal format system	DVB-C, DVB-S, DVB-S2, DVB-T
Audio decoders	Dolby Digital, Dolby Digital Surround EX, Dolby Virtual Speaker
RMS rated power	20 W
Built-in subwoofer	No
Number of speakers	2
HDCP	-
HDMI version	1.4
Composite video in	0
HDMI ports quantity	4
USB 2.0 ports quantity	1
Compatible memory cards	SD
Audio formats supported	AAC
Video formats supported	DIVX, H.264, MPEG4
Product color	Black
Panel mounting interface	400 x 400 mm
Power consumption (standby)	0.1 W
Power consumption (typical)	135 W

Weight and Dimensions

Depth (with stand)	333 mm
Height (with stand)	1008 mm
Depth (without stand)	89 mm
Width (without stand)	1613 mm
Height (without stand)	975 mm
Weight (without stand)	40500 g

Summary

Models

Chapter 1 Specifications

Specifications (LC-60;70 LE740 E;RU,741 E;S,743 E)

Details specifications for specific TV models.

Specifications (LC-60 LE830 E, RU;831 E, S;833 E)

Provides specifications for LC-60LE830E, RU/831E, S/833E models.

Specifications (LC-80 LE645 E;RU,646 E;S,648 E)

Lists specifications for LC-80LE645E/RU,646E/S,648E models.

Chapter 2 Operation Manual

Parts Name (LC-60;70 LE740 E;RU,741 E;S,743 E)

Identifies parts for specific TV models.

Parts Name (LC-60 LE830 E, RU;831 E, S;833 E)

Identifies parts for LC-60LE830E, RU/831E, S/833E models.

Parts Name (LC-80 LE645 E;RU,646 E;S,648 E)

Identifies parts for LC-80LE645E/RU,646E/S,648E models.

Chapter 3 Dimensions

Dimensions (LC-60;70 LE740 E;RU,741 E;S,743 E)

Provides dimensional drawings for specific TV models.

Dimensions (LC-60 LE830 E, RU;831 E, S;833 E)

Provides dimensional drawings for LC-60LE830E, RU/831E, S/833E models.

Dimensions (LC-80 LE645 E;RU,646 E;S,648 E)

Provides dimensional drawings for LC-80LE645E/RU,646E/S,648E models.

Chapter 4 Major Parts Removal

Location of Heat Measure Sheet

Shows placement of heat measure sheets on main PWB units.

Assembly Precautions

Details precautions for assembling the unit after service.

Chapter 5 Adjustment

Adjustment Procedure (LC-60;70 LE740 E;RU,741 E;S,743 E)

Step-by-step guide for adjustments after PWB/IC replacement.

Adjustment Procedure (LC-60 LE840 E;RU,841 E;S,843 E)

Adjustment procedures for specific models after PWB/IC replacement.

Adjustment Procedure (LC-80 LE645 E;RU,646 E;S,648 E)

Adjustment procedures for LC-80LE645E/RU,646E/S,648E models.

Chapter 6 Troubleshooting Table

Troubleshooting Table (LC-60;70 LE740 E;RU,741 E;S,743 E)

Troubleshooting guide for no power or no startup issues.

Troubleshooting Table (LC-60 LE840 E;RU,841 E;S,843 E)

Troubleshooting guide for no power or no startup issues for specific models.

Troubleshooting Table (LC-80 LE645 E;RU,646 E;S,648 E)

Troubleshooting guide for no power or no startup for LC-80LE645E/RU,646E/S,648E.

Chapter 7 Major IC Informations

Major IC Informations (LC-60;70 LE740 E;RU,741 E;S,743 E)

Lists major ICs and their functions for specific models.

Major IC Informations (LC-60 LE840 E;RU,841 E;S,843 E)

Lists major ICs and their functions for LC-60LE840E/RU,841E/S,843E models.

Major IC Informations (LC-80 LE645 E;RU,646 E;S,648 E)

Lists major ICs and their functions for LC-80LE645E/RU,646E/S,648E models.

Chapter 8 Overall Wiring and System Block Diagram

Overall Wiring Diagram (LC-60 LE740 E;RU,741 E;S,743 E)

Wiring diagram for specific TV models.

Overall Wiring Diagram (LC-70 LE740 E;RU,741 E;S,743 E)

Wiring diagram for LC-70LE740E/RU,741E/S,743E models.

Overall Wiring Diagram (LC-60 LE840 E;RU,841 E;S,843 E)

Wiring diagram for LC-60LE840E/RU,841E/S,843E models.

Overall Wiring Diagram (LC-80 LE645 E;RU,646 E;S,648 E)

Wiring diagram for LC-80LE645E/RU,646E/S,648E models.

System Block Diagram (LC-60;70 LE740 E;RU,743 E)

System block diagram for specific models.

System Block Diagram (LC-60;70 LE741 E;S)

System block diagram for LC-60/70LE741E/S models.

System Block Diagram (LC-60 LE840 E;RU,843 E)

System block diagram for LC-60LE840E/RU,843E models.

System Block Diagram (LC-60 LE841 E;S)

System block diagram for LC-60LE841E/S models.

System Block Diagram (LC-80 LE645 E;RU,646 E;S,648 E)

System block diagram for LC-80LE645E/RU,646E/S,648E models.

System Block Diagram (LC-80 LE646 E;S)

System block diagram for LC-80LE646E/S models.

Parts Guide

Printed Wiring Board Assemblies (LC-60;70 LE740 E;RU,741 E;S,743 E)

Lists printed wiring board assemblies for specific models.

Printed Wiring Board Assemblies (LC-60 LE840 E;RU,841 E;S,843 E)

Lists printed wiring board assemblies for specific models.

Printed Wiring Board Assemblies (LC-80 LE645 E;RU,646 E;S,648 E)

Lists printed wiring board assemblies for specific models.

LCD Panel Module Unit (LC-60;70 LE740 E;RU,741 E;S,743 E)

Lists LCD panel module units for specific models.

LCD Panel Module Unit (LC-60 LE840 E;RU,841 E;S,843 E)

Lists LCD panel module units for specific models.

LCD Panel Module Unit (LC-80 LE645 E;RU,646 E;S,648 E)

Lists LCD panel module units for specific models.

Cabinet and Mechanical Parts (LC-60 LE740 E,RU;741 E,S,743 E)

Lists cabinet and mechanical parts for specific models.

Cabinet and Mechanical Parts (LC-70 LE740 E,RU;741 E,S,743 E)

Lists cabinet and mechanical parts for specific models.

Cabinet and Mechanical Parts (LC-60 LE840 E;RU,841 E;S,843 E)

Lists cabinet and mechanical parts for specific models.

Cabinet and Mechanical Parts (LC-80 LE645 E;RU,646 E;S,648 E)

Lists cabinet and mechanical parts for specific models.

Supplied Accessories;Packing Parts (LC-60 LE740 E,RU;741 E,S,743 E)

Lists supplied accessories and packing parts for specific models.

Supplied Accessories;Packing Parts (LC-70 LE740 E,RU;741 E,S,743 E)

Lists supplied accessories and packing parts for specific models.

Supplied Accessories;Packing Parts (LC-60 LE840 E;RU,841 E;S,843 E)

Lists supplied accessories and packing parts for specific models.

Supplied Accessories;Packing Parts (LC-80 LE645 E;RU,646 E;S,648 E)

Lists supplied accessories and packing parts for specific models.

Service Jig (Use for Servicing) (LC-60;70 LE740 E;RU,741 E;S,743 E)

Lists service jigs for specific models.

Service Jig (Use for Servicing) (LC-60 LE840 E;RU,841 E;S,843 E)

Lists service jigs for specific models.

Service Jig (Use for Servicing) (LC-80 LE645 E;RU,646 E;S,648 E)

Lists service jigs for specific models.