KDL-40BX450, KDL-40BX451, KDL-46BX450, KDL-46BX451 - Sony TV Service Manual (repair manual)

kdl-40bx450, kdl-40bx451, kdl-46bx450, kdl-46bx451 service manual
Model
KDL-40BX450 KDL-40BX451 KDL-46BX450 KDL-46BX451
Pages
42
Size
1.21 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40bx450-kdl-40bx451-kdl-46bx450-kdl-46bx451.pdf
Date

Read Sony KDL-40BX450 / KDL-40BX451 / KDL-46BX450 / KDL-46BX451 Service Manual online

SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3FK 
Chassis
Segment: P-2F
9-883-873-05
Self Diagnosis
Supported model
Version Date 
Subject
1.0  
2/24/2012 
Original Manual Release Date.
2.0 
3/5/2012 
Insulation Sheets added to Disassembly Section. Replaced page 18.
3.0 
3/8/2012 
P/N’s for Vesa Bracket removed from Disassembly Section. Replaced page 15.
4.0 
7/27/2012 
New caution added on page ii.
 
 
  Updated Service Adjustments section. Replaced pages 24 - 27. 
5.0 
8/14/2012 
Updated P/N’s list from Disassembly Section. Replaced pages 17 - 20.
ORIGINAL MANUAL ISSUE DATE: 3/2012
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3FK 
Chassis
Segment: P-2F
9-883-873-05
Self Diagnosis
Supported model
KDL-40BX450
MODEL LIST
         MODEL 
COMMANDER 
DESTINATION
          MODEL 
COMMANDER 
DESTINATION
9-883-873-05
KDL-40BX450 RM-YD080 
US/CND
KDL-40BX450 RM-YD080 
LA/MX
KDL-40BX451 RM-YD080 
CND
KDL-40BX451 RM-YD080 
MX
KDL-46BX450 RM-YD080 
US/CND
KDL-46BX450 RM-YD080 
LA/MX
KDL-46BX451 RM-YD080 
MX
KDL-40BX450/40BX451/46BX450/46BX451 i
TABLE OF CONTENTS
Cautions and Warnings ...................................................................................ii
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specifications ................................................................................................1
Chassis Overview ..........................................................................................3
Overall Circuit Description .............................................................................4
Main Board ...............................................................................................4
Power Supply Board .................................................................................4
IR Board ....................................................................................................4
Switch Unit ................................................................................................4
LCD Panel Assembly ................................................................................5
Section 2 - Troubleshooting ...........................................................................6
Overview .......................................................................................................6
Updating the Software ..............................................................................6
Self Diagnosis Function .................................................................................6
Standby LED Blink Count .........................................................................6
Viewing the Self Check Diagnosis History ................................................7
Triage Chart ...................................................................................................8
Section 3 - Flow Charts and Diagrams ..........................................................9
Block Diagram ...............................................................................................9
No Power .....................................................................................................10
Standby LED Blinking ..................................................................................12
No Video ......................................................................................................13
Section 4 - Disassembly/Part Number Information ....................................15
Table-Top Stand and Rear Cover Removal .................................................15
Main Board (A) and Power Supply Board (G10/G11) Removal ...................16
Panel Brackets and LCD Panel Removal ....................................................17
Cleaning the LCD Panel .........................................................................17
Connectors ..................................................................................................18
Screws  ........................................................................................................18
Accessories and Packaging ........................................................................19
Miscellaneous ..............................................................................................19
Remote Commander ...................................................................................19
Wire Dressing ..............................................................................................20
Section 5 - Updates and Adjustments .........................................................21
Overview .....................................................................................................21
Software Updates for Customers ................................................................21
Software Updates for Servicers ...................................................................21
Software Update Responsibility ..............................................................22
Checking the Software Version ...............................................................22
Examples of Software Correctable Symptoms .......................................22
Accessing Service Adjustment Mode ..........................................................23
Completing Service Requirements When Replacing the Main Board .........24
Viewing the Status Information ...............................................................24
Selecting the Panel ID Code ...................................................................25
Adding the Serial Number .......................................................................26
Adding the Model Name .........................................................................27
Completing Service Requirements When Replacing the LCD Panel ..........29
Verifying the Panel ID Code ....................................................................29
Resetting Panel Operation Time .............................................................30
Accessing Factory Adjustment Mode ..........................................................31
Adjusting the Color Temperature ............................................................31
Appendix A: Encryption Key Components ............................................... A-1
Page of 42
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Here you can read online and download Sony KDL-40BX450 / KDL-40BX451 / KDL-46BX450 / KDL-46BX451 Service Manual in PDF. KDL-40BX450 / KDL-40BX451 / KDL-46BX450 / KDL-46BX451 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony KDL-40BX450 / KDL-40BX451 / KDL-46BX450 / KDL-46BX451 TV. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.