Sony KDL-40HX752 Installation guide

SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3G Chassis
Segment: 3a
9-883-877-01
Self Diagnosis
Supported model
Version Date Subject
1.0 5/21/2012 Original Manual Release Date
ORIGINAL MANUAL ISSUE DATE: 5/2012
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE / TRAINING MANUAL
LCD Digital Color TV
AZ3G Chassis
Segment: 3a
9-883-877-01
Self Diagnosis
Supported model
KDL-40HX752

MODEL LIST
MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION
9-883-877-01
KDL-40HX752 RM-YD078 ARGENTINA KDL-46HX752 RM-YD078 ARGENTINA

KDL-40HX752/46HX752 i
TABLE OF CONTENTS
Cautions and Warnings..................................................................................iii
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specications ................................................................................................1
Checking the Accessories.........................................................................2
Chassis Overview..........................................................................................3
Overall Circuit Description.............................................................................4
Main Board ...............................................................................................4
Power Supply Board .................................................................................4
IR Board....................................................................................................4
3D IR Emitter Board..................................................................................5
Switch Unit................................................................................................5
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...................................................................................................9
Section 3 - Flow Charts and Diagrams ........................................................10
Block Diagram .............................................................................................10
No Power ................................................................................................ 11
Standby LED Blinking .............................................................................13
No Picture ...............................................................................................14
No 3D Viewing ........................................................................................16
Section 4 - Disassembly/Part Number Information ....................................17
Table-Top Stand Removal ...........................................................................17
Rear Cover Removal...................................................................................18
Handling the LVDS FFC Connector.............................................................19
Disconnecting the LVDS FFC Connector ...............................................19
Connecting the LVDS FFC Connector....................................................19
Main Board (BAPS) and Power Supply Board (GL6) Removal...................20
Panel Brackets and LCD Panel Removal....................................................21
Connectors ..................................................................................................22
Screws.........................................................................................................22
Accessories and Packaging ........................................................................23
Miscellaneous..............................................................................................23
Optional Accessories...................................................................................23
Wire Dressing..............................................................................................24
Section 5 - Updates and Adjustments .........................................................25
Overview .....................................................................................................25
Software Updates for Customers ................................................................25
Software Updates for Servicers...................................................................25
Software Update Responsibility..............................................................26
Checking the Software Version...............................................................26
Completing Service Requirements
When Replacing the Main Board.................................................................26
Updating the Software ............................................................................26
Selecting the Segment Code ..................................................................27
Selecting the Destination ........................................................................29
Selecting the Model Name......................................................................29
Adding the Serial Number.......................................................................30
Conrming the Model ID and Product ID ................................................32
Clearing the Self Diagnosis Self Check Information ...............................33

KDL-40HX752/46HX752 ii
TABLE OF CONTENTS
Resolving an 8 Blink Error...........................................................................34
Verifying there is an 8x error...................................................................35
Resetting the TV to Factory Condition....................................................35
Updating the Software ............................................................................35
Replacing the Main Board ......................................................................35
Completing Service Requirements When
Replacing the LCD Panel or TCON Board .................................................36
Updating the Software ............................................................................36
Conrming the Model ID and Product ID ................................................36
Resetting the Panel Operation Time.......................................................37
Clearing the Self Diagnosis Self Check Information ...............................38
Optional Adjustments ..................................................................................39
Enabling VCOM to Adjust the Picture.....................................................39
Setting White Balance Adjustments........................................................40
Resetting the TV to Factory Condition.........................................................40
Resetting the TV to Factory Condition Using Service Mode...................40
Appendix A: Encryption Key Components ............................................... A-1