Read Sony KDL-40NX725 / KDL-46NX725 Service Manual online
KDL-40NX725/46NX725
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TABLE OF CONTENTS
Diagrams ..................................................................................23
Block Diagram ........................................................................... 23
Connector Diagrams ................................................................. 25
Connector Diagrams ................................................................. 25
Section 4 - Troubleshooting .....................................................29
Overview ..................................................................................29
Updating the Software ............................................................... 29
Triage Chart .............................................................................30
Protection Shutdown ................................................................31
Protection Shutdown ................................................................31
Standby LED Flash Count ......................................................... 31
Diagnostic Code Descriptions ..................................................34
Viewing the Self Check Diagnostic History ............................... 35
Section 5 - Flow Charts and Diagrams ...................................36
Overview ..................................................................................36
No Power ................................................................................... 37
Standby LED Blinking ................................................................ 39
No Picture .................................................................................. 40
Standby LED Blinking ................................................................ 39
No Picture .................................................................................. 40
Section 6 - Disassembly/Part Number Information ...............42
Table-Top Stand Assembly Removal ........................................42
Rear Cover and AC Cover Removal ........................................43
Switch Unit, HEM2 Board, Camera Module, and
Rear Cover and AC Cover Removal ........................................43
Switch Unit, HEM2 Board, Camera Module, and
Wireless LAN Card Removal ..............................................44
G4BW/G5AW (Power Supply) Board and
LD Board Removal .............................................................45
BATL (Main) Board Removal ....................................................46
Center Cabinet, HLT2 Board and LCD Panel Removal ...........47
Center Cabinet, HLT2 Board and LCD Panel Removal ...........47
Cleaning the LCD Panel ............................................................ 47
Screws .....................................................................................48
Connectors ...............................................................................48
Connectors ...............................................................................48
KDL-40NX725 Only ................................................................... 48
KDL-46NX725 Only ................................................................... 48
KDL-46NX725 Only ................................................................... 48
Accessories and Packaging .....................................................49
Miscellaneous ..........................................................................49
Remote Commander ................................................................49
Wire Dressing ...........................................................................50
Miscellaneous ..........................................................................49
Remote Commander ................................................................49
Wire Dressing ...........................................................................50
KDL-40NX725 Only ................................................................... 50
KDL-46NX725 Only ................................................................... 50
KDL-46NX725 Only ................................................................... 50
Section 7 - Service Adjustments .............................................51
Overview ..................................................................................51
Updating the Software ..............................................................51
Accessing Service Adjustment Mode .......................................51
Updating the Software ..............................................................51
Accessing Service Adjustment Mode .......................................51
Viewing or Changing Service Data ............................................ 52
Verifying Service Adjustments ..................................................53
Verifying the Segment Code ...................................................... 53
Verifying the Destination ............................................................ 53
Verifying the Model Name ......................................................... 54
Verifying the Destination ............................................................ 53
Verifying the Model Name ......................................................... 54
Optional Adjustments ...............................................................54
Setting White Balance Adjustments .......................................... 54
Resetting the TV to Factory Condition .....................................56
Resetting the TV to Factory Condition Using Service Mode ..... 56
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