Sony KDL-32BX355, Руководство по обучению обслуживанию

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KDL-32BX355/40BX455/46BX455 i
TABLE OF CONTENTS
Cautions and Warnings ...................................................................................ii
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specifications ................................................................................................1
Chassis Overview ..........................................................................................3
Overall Circuit Description .............................................................................5
Main Board ...............................................................................................5
Power Supply Board .................................................................................5
IR Board ....................................................................................................5
Switch Unit ................................................................................................5
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 .............................................................................13
No Video .................................................................................................14
Section 4 - Disassembly/Part Number Information ....................................16
Table-Top Stand and Rear Cover Removal .................................................16
Main Board (A) and Power Supply Board (G) Removal ..............................17
LCD Panel Removal ....................................................................................18
Cleaning the LCD Panel .........................................................................18
Connectors ..................................................................................................19
Screws .........................................................................................................19
Accessories and Packaging ........................................................................20
Wire Dressing ..............................................................................................21
Section 5 - Updates and Adjustments .........................................................22
Overview .....................................................................................................22
Software Updates for Customers ................................................................22
Software Updates for Servicers ...................................................................22
Software Update Responsibility ..............................................................23
Checking the Software Version ...............................................................23
Examples of Software Correctable Symptoms .......................................23
Accessing Service Adjustment Mode ..........................................................24
Completing Service Requirements
When Replacing the Main Board .................................................................24
Viewing the Status Information ...............................................................25
Adding the Serial Number .......................................................................25
Selecting the Model Name ......................................................................26
Completing Service Requirements
When Replacing the LCD Panel ..................................................................26
Viewing the Status Information ...............................................................27
Changing the LVDS Spectrum ................................................................27
Selecting the LCD Panel ........................................................................27
Verify before proceeding to the next step: ..............................................27
Optional Service Adjustments .....................................................................28
Adjusting the Sound ................................................................................28
Wide Band Tuning Adjustments ..............................................................29
Range Scan Adjustments .......................................................................29
APPENDIX A: ENCRYPTION KEY COMPONENTS .................................... A-1