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
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specifications ................................................................................................1
Chassis Overview ..........................................................................................3
Overall Circuit Description .............................................................................4
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
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
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
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
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
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 Updates for Customers ................................................................21
Software Updates for Servicers ...................................................................21
Software Update Responsibility ..............................................................22
Checking the Software Version ...............................................................22
Examples of Software Correctable Symptoms .......................................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
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
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
Resetting Panel Operation Time .............................................................30
Accessing Factory Adjustment Mode ..........................................................31
Adjusting the Color Temperature ............................................................31
Appendix A: Encryption Key Components ............................................... A-1