KDL-42W805B - Sony TV Service Manual (repair manual). Page 2

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KDL-42W805B i
TABLE OF CONTENTS
Cautions and Warnings ...................................................................................ii
Section 1 - Specifications and Layouts .........................................................1
Specifications ................................................................................................1
Checking the Accessories......................................................................................1
Board Layout .................................................................................................2
KDL-42W805B .......................................................................................................2
Smart Core Block...................................................................................................2
Wire Dressing ................................................................................................3
KDL-42W805B .......................................................................................................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 ...........................................................................................6
Power and Control Block Diagram.........................................................................7
No Power Flowchart ..............................................................................................8
Standby LED Blinking Flowchart ...........................................................................9
Video Distortion Flowchart ...................................................................................10
Section 3 - Repair Information ......................................................................11
Repairing the TV .......................................................................................... 11
Removing the Rear Cover ................................................................................... 11
Replacing the Main Board / Tuner Board ....................................................12
Removing the Speakers ..............................................................................16
Replacing the Switch Unit ...........................................................................16
Removing the Smart Core Block .................................................................17
Section 4 - Exploded View/Part Number Information .................................18
Table Top Stand ...........................................................................................18
KDL-42W805B ............................................................................................19
Smart Core Block ........................................................................................20
Connectors ..................................................................................................21
Screws .........................................................................................................22
Section 5 - Accessories/Part Number Information .....................................23
Accessories and Packaging ........................................................................23
Miscellaneous ..............................................................................................23
Optional Accessories ...................................................................................23
Remote Commander ...................................................................................23
Appendix A: Encryption Key Components ............................................... A-1
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