Sony KDL-40NX725 Service Manual page 5

Diagrams ..................................................................................23
Block Diagram ........................................................................... 23
Connector Diagrams ................................................................. 25
Section 4 - Troubleshooting .....................................................29
Overview ..................................................................................29
Updating the Software ............................................................... 29
Triage Chart .............................................................................30
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
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
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
Cleaning the LCD Panel ............................................................ 47
KDL-40NX725/46NX725
TABLE OF CONTENTS
Screws .....................................................................................48
Connectors ...............................................................................48
KDL-40NX725 Only ................................................................... 48
KDL-46NX725 Only ................................................................... 48
Accessories and Packaging .....................................................49
Miscellaneous ..........................................................................49
Remote Commander ................................................................49
Wire Dressing ...........................................................................50
KDL-40NX725 Only ................................................................... 50
KDL-46NX725 Only ................................................................... 50
Section 7 - Service Adjustments .............................................51
Overview ..................................................................................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
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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