Read Sony KDL-40HX755 / KDL-46HX755 / KDL-55HX755 Service Manual online
SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3F
Chassis
Segment: 3a
9-888-463-02
Self Diagnosis
Supported model
Version Date
Subject
1.0
2/10/2012
Original Manual Release Date
2.0
5/1/2012
Corrected part number for Support Belt Kit. Replaced page 25.
Removed BU adjustment information. (Not required for these models.) Replaced pages 27-43.
ORIGINAL MANUAL ISSUE DATE: 2/2012
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3F
Chassis
Segment: 3a
9-888-463-02
Self Diagnosis
Supported model
KDL-46HX755
MODEL LIST
MODEL
COMMANDER
DESTINATION
MODEL
COMMANDER
DESTINATION
9-888-463-02
KDL-40HX755 RM-YD078
Chile/Peru
KDL-40HX755 RM-YD078
Venezuela
KDL-46HX755 RM-YD078
Chile/Peru
KDL-46HX755 RM-YD078
Venezuela
KDL-55HX755 RM-YD078
Chile/Peru
KDL-55HX755 RM-YD078
Venezuela
KDL-40HX755/46HX755/55HX755 i
TABLE OF CONTENTS
Cautions and Warnings ..................................................................................iii
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specifications ................................................................................................2
Specifications ................................................................................................2
Checking the Accessories .........................................................................3
Chassis Overview ..........................................................................................4
Overall Circuit Description .............................................................................6
Overall Circuit Description .............................................................................6
Main Board ...............................................................................................6
Power Supply Board .................................................................................6
IR Board ....................................................................................................6
3D IR Emitter Board ..................................................................................7
Wireless LAN Card ...................................................................................7
Switch Unit ................................................................................................7
LCD Panel Assembly ................................................................................7
Power Supply Board .................................................................................6
IR Board ....................................................................................................6
3D IR Emitter Board ..................................................................................7
Wireless LAN Card ...................................................................................7
Switch Unit ................................................................................................7
LCD Panel Assembly ................................................................................7
Section 2 - Troubleshooting ...........................................................................8
Overview .......................................................................................................8
Updating the Software ..............................................................................8
Self Diagnosis Function .................................................................................8
Standby LED Blink Count .........................................................................8
Viewing the Self Check Diagnosis History ................................................9
Viewing the Self Check Diagnosis History ................................................9
Triage Chart ................................................................................................. 11
Section 3 - Flow Charts and Diagrams ........................................................12
Block Diagram .............................................................................................12
No Power ................................................................................................13
Standby LED Blinking .............................................................................15
No Picture ...............................................................................................16
No 3D Viewing ........................................................................................18
Standby LED Blinking .............................................................................15
No Picture ...............................................................................................16
No 3D Viewing ........................................................................................18
Section 4 - Disassembly/Part Number Information ....................................19
Table-Top Stand Removal ...........................................................................19
Rear Cover Removal ...................................................................................20
Handling the LVDS FFC Connector .............................................................21
Rear Cover Removal ...................................................................................20
Handling the LVDS FFC Connector .............................................................21
Disconnecting the LVDS FFC Connector ...............................................21
Connecting the LVDS FFC Connector ....................................................21
Connecting the LVDS FFC Connector ....................................................21
Main Board (BAPS) and Power Supply Board (GL6/GL7) Removal ...........22
Panel Brackets and LCD Panel Removal ....................................................23
Panel Brackets and LCD Panel Removal ....................................................23
Cleaning the LCD Panel .........................................................................23
Connectors ..................................................................................................24
Screws .........................................................................................................24
Accessories and Packaging ........................................................................25
Miscellaneous ..............................................................................................25
Optional Accessories ...................................................................................25
Wire Dressing ..............................................................................................26
Screws .........................................................................................................24
Accessories and Packaging ........................................................................25
Miscellaneous ..............................................................................................25
Optional Accessories ...................................................................................25
Wire Dressing ..............................................................................................26
Section 5 - Updates and Adjustments .........................................................27
Overview .....................................................................................................27
Software Updates for Customers ................................................................27
Software Updates for Servicers ...................................................................27
Software Updates for Customers ................................................................27
Software Updates for Servicers ...................................................................27
Software Update Responsibility ..............................................................28
Checking the Software Version ...............................................................28
Checking the Software Version ...............................................................28
Completing Service Requirements
When Replacing the Main Board .................................................................28
Updating the Software ............................................................................28
Selecting the Segment Code ..................................................................29
Selecting the Destination ........................................................................31
Selecting the Model Name ......................................................................31
Adding the Serial Number .......................................................................32
Confirming the Model ID and Product ID ................................................34
Clearing the Self Diagnosis Self Check Information ...............................35
Selecting the Segment Code ..................................................................29
Selecting the Destination ........................................................................31
Selecting the Model Name ......................................................................31
Adding the Serial Number .......................................................................32
Confirming the Model ID and Product ID ................................................34
Clearing the Self Diagnosis Self Check Information ...............................35
