Read Sony KDL-40NX725 Service Manual online
KDL-40NX725 ii
TABLE OF CONTENTS
Diagrams ..................................................................................22
Block Diagrams ......................................................................... 22
Connector Diagrams ................................................................. 24
Connector Diagrams ................................................................. 24
Section 4 - Troubleshooting .....................................................26
Overview ..................................................................................26
Updating the Software ............................................................... 26
Triage Chart .............................................................................27
Protection Shutdown ................................................................28
Protection Shutdown ................................................................28
Standby LED Flash Count ......................................................... 28
Diagnostic Code Descriptions ..................................................30
Viewing the Self Check Diagnostic History ............................... 31
Section 5 - Flow Charts and Diagrams ...................................32
Overview ..................................................................................32
No Power ................................................................................... 33
Standby LED Blinking ................................................................ 35
No Picture .................................................................................. 36
Standby LED Blinking ................................................................ 35
No Picture .................................................................................. 36
Section 6 - Disassembly/Part Number Information ...............38
Table-Top Stand Assembly Removal ........................................38
Rear Cover and AC Cover Removal ........................................39
Switch Unit, HEM2 Board, Camera Module, and
Rear Cover and AC Cover Removal ........................................39
Switch Unit, HEM2 Board, Camera Module, and
Wireless LAN Card Removal ..............................................40
G4 (Power Supply) Board and LD Board Removal ..................41
BATL (Main) Board Removal ....................................................42
Center Cabinet, HLT2 Board and LCD Panel Removal ...........43
BATL (Main) Board Removal ....................................................42
Center Cabinet, HLT2 Board and LCD Panel Removal ...........43
Cleaning the LCD Panel ............................................................ 43
Screws .....................................................................................44
Connectors ...............................................................................44
Accessories and Packaging .....................................................45
Miscellaneous ..........................................................................45
Remote Commander ................................................................45
Wire Dressing ...........................................................................46
Connectors ...............................................................................44
Accessories and Packaging .....................................................45
Miscellaneous ..........................................................................45
Remote Commander ................................................................45
Wire Dressing ...........................................................................46
Section 7 - Service Adjustments .............................................47
Overview ..................................................................................47
Updating the Software ..............................................................47
Accessing Service Adjustment Mode .......................................47
Updating the Software ..............................................................47
Accessing Service Adjustment Mode .......................................47
Viewing or Changing Service Data ............................................ 48
Verifying Service Adjustments ..................................................49
Verifying the Segment Code ...................................................... 49
Verifying the Destination ............................................................ 49
Verifying the Model Name ......................................................... 50
Verifying the Destination ............................................................ 49
Verifying the Model Name ......................................................... 50
Optional Adjustments ...............................................................50
Setting White Balance Adjustments .......................................... 50
Resetting the TV to Factory Condition .....................................51
Resetting the TV to Factory Condition Using Service Mode ..... 51
Appendix A - Removing the Rear Cover ...............................A-1
Rear Cover Caution ............................................................... A-1
Removing the Power Cord from the Rear Cover ................... A-2
Removing the Power Cord from the Rear Cover ................... A-2
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