KDL-32HX755, KDL-40HX755, KDL-46HX755, KDL-55HX755 - Sony TV Service Manual (repair manual). Page 4

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KDL-32HX755/40HX755/46HX755/55HX755 i
TABLE OF CONTENTS
Cautions and Warnings ..................................................................................iii
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specifications ................................................................................................1
Checking the Accessories .........................................................................2
Chassis Overview ..........................................................................................3
Overall Circuit Description .............................................................................5
Main Board ...............................................................................................5
Power Supply Board .................................................................................5
IR Board ....................................................................................................5
3D IR Emitter Board ..................................................................................6
Wireless LAN Card ...................................................................................6
Switch Unit ................................................................................................6
LCD Panel Assembly ................................................................................6
Section 2 - Troubleshooting ...........................................................................7
Overview .......................................................................................................7
Updating the Software ..............................................................................7
Self Diagnosis Function .................................................................................7
Standby LED Blink Count .........................................................................7
Viewing the Self Check Diagnosis History ................................................8
Triage Chart .................................................................................................10
Section 3 - Flow Charts and Diagrams ........................................................11
Block Diagram ............................................................................................. 11
No Power ................................................................................................12
Standby LED Blinking .............................................................................14
No Picture ...............................................................................................15
No 3D Viewing ........................................................................................17
Section 4 - Disassembly/Part Number Information ....................................18
Table-Top Stand Removal ...........................................................................18
Rear Cover Removal ...................................................................................19
Handling the LVDS FFC Connector .............................................................20
Disconnecting the LVDS FFC Connector ...............................................20
Connecting the LVDS FFC Connector ....................................................20
Main Board (BAPS) and Power Supply Board (GL2/GL6/GL7) Removal ...21
Panel Brackets and LCD Panel Removal ....................................................22
Cleaning the LCD Panel .........................................................................22
Connectors ..................................................................................................23
Screws .........................................................................................................23
Accessories and Packaging ........................................................................24
Miscellaneous ..............................................................................................24
Optional Accessories ...................................................................................24
Wire Dressing ..............................................................................................25
Section 5 - Updates and Adjustments .........................................................26
Overview .....................................................................................................26
Software Updates for Customers ................................................................26
Software Updates for Servicers ...................................................................26
Software Update Responsibility ..............................................................27
Checking the Software Version ...............................................................27
Completing Service Requirements 
When Replacing the Main Board .................................................................27
Updating the Software ............................................................................27
Selecting the Segment Code ..................................................................28
Selecting the Destination ........................................................................30
Selecting the Model Name ......................................................................30
Adding the Serial Number .......................................................................31
Confirming the Model ID and Product ID ................................................33
Clearing the Self Diagnosis Self Check Information ...............................34
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