Sony KDL-40EX725 - User Manual

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SERVICE MANUAL

LCD Digital Color TV

AZ2-F Chassis

Segment: 3a-2

9-888-439-02

Version Date Subject

1.0 3/25/2011 Original Manual Release Date

2.0 2/8/2012 Reissue entire manual.

ORIGINAL MANUAL ISSUE DATE: 3/2011

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

Main Page

Table of Contents4
Section 1 - Safety and Features7
Warnings and Cautions7
Handling the LVDS FFC Connector9
Disconnecting the LVDS FFC Connector9
Connecting the LVDS FFC Connector10
Safety-Related Warnings11
Safety Check-Out12
Self Diagnosis Function14
Overview15
Features15
See It All in 3D15
Motionflow™ XR 24015
Navigation Made Easy15
Lightsensor™ Technology15
X-Reality™ Engine15
Presence Sensor16
USB Photos, Videos & Music16
Edge LED Backlighting16
Internet Streaming & Connectivity16
Faster Start-Up16
BRAVIA® Sync™ Compatible16
Specifications17
Section 2 - Software Requirements19
Overview19
Software Updates for Customers19
Software Updates for Servicers20
Software Update Responsibility20
Checking the Software Version21
Examples of Software Correctable Symptoms21
Section 3 - Chassis Overview22
Overview22
Overall Circuit Description25
Main Board25
Tuner25
X-Reality Processor25
Audio Amplifier25
Temperature Sensor25
Power Supply26
Power Supply for Backlight System26
3D Ir Emitter26
Switch Unit26
Motion Sensor Board26
IR Board26
LCD Panel Assembly27
TCON Board27
LD Board (LED Drive Board)27
Diagrams28
Block Diagram28
Connector Diagrams30
Section 4 - Troubleshooting36
Overview36
Updating the Software36
Triage Chart37
Protection Shutdown38
Standby LED Flash Count38
Diagnostic Code Descriptions42
Viewing the Self Check Diagnostic History43
Section 5 - Flow Charts and Diagrams44
Overview44
No Power45
Standby LED Blinking47
No Picture/No Sound53
Tv/Remote Commander Buttons Not Working56
Network Not Connecting58
3D Does Not Display60
Skype Accessory Not Working61
Section 6 - Disassembly/Part Number Information63
Rear Cover and AC Cover Removal64
Switch Unit and Speakers Removal65
LD Board, HEM2 Board, HLR2 Board and HMS3 Board Removal66
G10/G4/G5/G6/G8 (Power Supply) Board, and BATV (Main) Board Removal67
KDL-32EX725/40EX725/46EX725 Only67
KDL-55EX725 Only68
Panel Brackets and LCD Panel Removal69
Cleaning the LCD Panel69
Screw Legend70
Connectors70
KDL-32EX725 Only70
KDL-40EX725 Only71
KDL-46EX725 Only71
KDL-55EX725 Only71
Accessories and Packaging72
Miscellaneous72
Optional Accessories72
Remote Commander72
Wire Dressing73
KDL-32EX725 Only73
KDL-40EX725 Only73
KDL-46EX725 Only73
KDL-55EX725 Only73
Section 7 - Service Adjustments74
Overview74
Updating the Software74
Accessing Service Adjustments74
Viewing or Changing Service Data75
Updating Service Adjustment Data When Replacing the Main Board76
Selecting the Segment Code76
Selecting the Destination77
Selecting the Model Name79
Selecting the BU Trans80
Adding the Serial Number81
Confirming the Model ID and Product ID83
Updating Service Adjustment Data When Replacing the LCD Panel84
Copying the BU Flash Data84
Confirming the Model ID and Product ID86
Resetting the Panel Operation Time87
Optional Adjustments88
Setting White Balance Adjustments88
Resetting the TV to Factory Condition89
Resetting the TV to Factory Condition Using Service Mode89
Appendix A - Removing the Rear Cover91
Removing the Power Cord from the Rear Cover92
Kdl-32Ex72592
Kdl-40Ex72594
Kdl-46Ex72596
Appendix B - Attaching the Rear Cover99
Reattaching the Rear Cover to the Bezel99
Kdl-32Ex72599
Kdl-40Ex725100
Kdl-46Ex725100
Appendix C - Replacing the LCD Panel101
Removing the LCD Panel from the Bezel101
Reattaching the LCD Panel Onto the Bezel102

Sony KDL-40EX725 - User Manual

Table of Contents

Sony KDL-40EX725 Specifications

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Brand	Sony
Model	KDL-40EX725
Category	TV
Language	English