Read Sony KDL-32EX720 / KDL-32EX723 / KDL-40EX720 / KDL-40EX723 / KDL-46EX720 / KDL-46EX723 / KDL-55EX720 / KDL-55EX723 Service Manual online
KDL-32EX720/32EX723/40EX720/40EX723/46EX720/46EX723/55EX720/55EX723 ii
TABLE OF CONTENTS
LCD Panel Assembly ...............................................................26
TCON Board .............................................................................. 26
LED Driver (LD Board) .............................................................. 26
LED Driver (LD Board) .............................................................. 26
Diagrams ..................................................................................27
Block Diagram ........................................................................... 27
Connector Diagrams ................................................................. 29
Connector Diagrams ................................................................. 29
Section 4 - Troubleshooting .....................................................35
Overview ..................................................................................35
Updating the Software ............................................................... 35
Triage Chart .............................................................................36
Protection Shutdown ................................................................37
Protection Shutdown ................................................................37
Standby LED Flash Count ......................................................... 37
Diagnostic Code Descriptions ..................................................41
Viewing the Self Check Diagnostic History ............................... 42
Section 5 - Flow Charts and Diagrams ...................................43
Overview ..................................................................................43
No Power ................................................................................... 44
Standby LED Blinking ................................................................ 46
No Picture/No Sound ................................................................. 52
Standby LED Blinking ................................................................ 46
No Picture/No Sound ................................................................. 52
Section 6 - Disassembly/Part Number Information ...............55
Table-Top Stand Assembly Removal ........................................55
Rear Cover and AC Cover Removal ........................................56
Switch Unit, Speakers, Wireless LAN Card and
Rear Cover and AC Cover Removal ........................................56
Switch Unit, Speakers, Wireless LAN Card and
Antennas Removal .............................................................57
LD Board, HEM2 Board, HLR2 Board and
HMS3 Board Removal ........................................................58
G10/G4/G5/G6/G8(Power Supply) Board and
BATV (Main) Board Removal .............................................59
All Except KDL-55EX720/55EX723 ........................................... 59
KDL-55EX720/55EX723 Only ................................................... 60
KDL-55EX720/55EX723 Only ................................................... 60
Panel Brackets and LCD Panel Removal ................................61
Cleaning the LCD Panel ............................................................ 61
Screws .....................................................................................62
Connectors ...............................................................................62
Connectors ...............................................................................62
KDL-32EX720/32EX723 Only ................................................... 62
KDL-40EX720/40EX723 Only ................................................... 63
KDL-46EX720/46EX723 Only ................................................... 63
KDL-55EX720/55EX723 Only ................................................... 63
KDL-40EX720/40EX723 Only ................................................... 63
KDL-46EX720/46EX723 Only ................................................... 63
KDL-55EX720/55EX723 Only ................................................... 63
Accessories and Packaging .....................................................64
Miscellaneous ..........................................................................64
Optional Accessories ................................................................64
Remote Commander ................................................................64
Wire Dressing ...........................................................................65
Miscellaneous ..........................................................................64
Optional Accessories ................................................................64
Remote Commander ................................................................64
Wire Dressing ...........................................................................65
Section 7 - Service Adjustments .............................................66
Overview ..................................................................................66
Updating the Software ..............................................................66
Accessing Service Adjustment Mode .......................................66
Updating the Software ..............................................................66
Accessing Service Adjustment Mode .......................................66
Viewing or Changing Service Data ............................................ 67
Updating Service Adjustment Data
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