Read Sony KDL-55BX520 Service Manual online
KDL-55BX520 i
TABLE OF CONTENTS
Section 1 - Safety and Features.................................................1
Warnings and Cautions - English ...............................................1
Safety-Related Warnings ............................................................ 3
Warnings and Cautions - French ...............................................4
Safety Check-Out .......................................................................7
Self Diagnosis Function ...........................................................10
Overview .................................................................................. 11
Features ................................................................................... 11
Safety Check-Out .......................................................................7
Self Diagnosis Function ...........................................................10
Overview .................................................................................. 11
Features ................................................................................... 11
Scene Select ..............................................................................11
USB Input ..................................................................................11
LightSensor™ Technology .........................................................11
5 HD Inputs ................................................................................11
BRAVIA® Sync™ Compatible .................................................. 12
USB Input ..................................................................................11
LightSensor™ Technology .........................................................11
5 HD Inputs ................................................................................11
BRAVIA® Sync™ Compatible .................................................. 12
Specifications ...........................................................................13
Section 2 - Software Requirements.........................................14
Overview ..................................................................................14
Software Updates for Customers .............................................14
Software Updates for Servicers ...............................................15
Software Updates for Customers .............................................14
Software Updates for Servicers ...............................................15
Software Update Responsibility ................................................ 15
Checking the Software Version ................................................. 15
Examples of Software Correctable Symptoms ......................... 16
Checking the Software Version ................................................. 15
Examples of Software Correctable Symptoms ......................... 16
Section 3 - Chassis Overview ..................................................17
Overview ..................................................................................17
Overall Circuit Description .......................................................18
Overall Circuit Description .......................................................18
Main Board ............................................................................... 18
FRC Board ................................................................................ 18
Power Supply ............................................................................ 19
Inverter ...................................................................................... 19
Switch Unit ................................................................................ 19
H Board ..................................................................................... 19
FRC Board ................................................................................ 18
Power Supply ............................................................................ 19
Inverter ...................................................................................... 19
Switch Unit ................................................................................ 19
H Board ..................................................................................... 19
Diagrams ..................................................................................20
Block Diagrams ......................................................................... 20
Connector Diagrams ................................................................. 22
Connector Diagrams ................................................................. 22
Section 4 - Troubleshooting .....................................................23
Overview ..................................................................................23
Updating the software ............................................................... 23
Video Failures ..........................................................................23
No Video ................................................................................... 23
Video Distortion ........................................................................ 24
Video Distortion ........................................................................ 24
Audio Troubleshooting .............................................................25
Power Supply Troubleshooting ................................................26
Power Supply Troubleshooting ................................................26
Completely Dead Set ................................................................ 26
TV Won’t Power On .................................................................. 26
TV Won’t Power On .................................................................. 26
Backlight Issues .......................................................................26
No Backlight, No Shutdown ...................................................... 26
Protection Shutdown ................................................................27
Standby LED Flash Count ........................................................ 27
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