XBR-55X900A - Sony TV Service Manual (repair manual). Page 2

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XBR-55X900A i
TABLE OF CONTENTS
Cautions and Warnings ...................................................................................ii
Section 1 - Specifications and Layouts .........................................................1
Specifications ................................................................................................1
Checking the Accesories .......................................................................................1
Board Layout .................................................................................................2
XBR-55X900A........................................................................................................2
Wire Dressing ................................................................................................3
XBR-55X900A........................................................................................................3
Smart Core Block...................................................................................................3
Section 2 - Troubleshooting ...........................................................................4
Diagnosing the Error .....................................................................................4
Viewing the Self Check Diagnosis History ............................................................. 4
Triage Chart ...................................................................................................5
Flowcharts and Diagrams ..............................................................................6
Overall Block Diagram / BAFS...............................................................................6
Overall Block Diagram / BAF2S.............................................................................7
Power and Control Block Diagram.........................................................................8
No Power Flowchart ..............................................................................................9
Standby LED Blinking Flowchart .........................................................................10
No Video Flowchart ............................................................................................. 11
Video Distorsion Flowchart ..................................................................................12
No 3D Viewing .....................................................................................................13
Section 3 - Repair Information ......................................................................14
Repairing the TV ..........................................................................................14
Removing the Table-Top Stand and Cover Under ............................................... 14
Removing the Rear Cover ...................................................................................14
Replacing the Main Board ...........................................................................15
Replacing the Power Supply Board .............................................................18
Replacing the TCON Board .........................................................................18
Replacing the CX Board ..............................................................................23
Replacing the Switch Unit ...........................................................................25
Removing the Woofer Speaker ...................................................................25
Removing the WLAN Module and HW Board .............................................25
Removing the Side Speakers ......................................................................26
Removing the Smart Core Block .................................................................27
Removing the TS Board ..............................................................................27
Section 4 - Exploded View/Part Number Information .................................28
Table-Top Stand ..........................................................................................28
XBR-55X900A .............................................................................................29
Smart Core Block ........................................................................................32
Connectors ..................................................................................................33
Screws .........................................................................................................34
Section 5 - Accesories/Part Number Information .......................................35
Accessories and Packaging ........................................................................35
Miscellaneous ..............................................................................................35
Optional Accessories ...................................................................................35
Remote Commander ...................................................................................35
Appendix A: Encryption Key Components ............................................... A-1
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