Read Sony KDL-40BX450 / KDL-40BX451 / KDL-46BX450 / KDL-46BX451 Service Manual online
KDL-40BX450/40BX451/46BX450/46BX451 21
SECTION 5 - UPDATES AND ADJUSTMENTS
OVERVIEW
The models in this manual utilize a “generic” type of Main Board, therefore a
software update must be performed and certain service adjustment settings
must be changed or confirmed whenever the Main Board, LCD Panel or
TCON Board is replaced.
There are 2 reasons for updating the software on the TVs.
There are 2 reasons for updating the software on the TVs.
●
Software updates for customers
These updates are for enhancements or improvements that
have been made to the software after the TV was released.
These updates are accessed by the customer from the Sony
Support Site at
http://esupport.sony.com
.
●
Software update for servicers
These updates are specifically for servicers to use during a
service call and are only available on the Sony Authorized
Servicer Portal at
http://www.sony.com/asp.
SOFTWARE UPDATES FOR CUSTOMERS
The subject of software updates is very important. The televisions of today
have advanced to the point where they are not simply a television anymore.
They are evolving into devices that are designed to integrate with numerous
other devices found in the home. Some examples are: portable audio and
video devices, still cameras, home computer networks and accessing the
internet to name a few.
Communications with these varying devices requires that the television be
Communications with these varying devices requires that the television be
compatible with varying communications protocols. Although standards
are detailed for each of these protocols, the real world dictates that
occasional errors may occur that could prevent devices from operating or
communicating properly.
Keeping the software in the television up-to-date is a procedure that is
Keeping the software in the television up-to-date is a procedure that is
normally handled by the owner of the television. Most customers who own
computers and other digital devices are familiar with and are accustomed
to updating the software in their products. If a customer contacts the Sony
Customer Support Center and it is deemed to be correctable with a software
update, the issue is handled at the customer level.
Software updates can be performed by:
Software updates can be performed by:
●
Customer Manual Downloads
Software updates can be accessed by the customer from
the Sony Support Site at
http://esupport.sony.com
where
they can be downloaded and placed on a USB thumb drive
to be loaded onto the TV. The instructions for downloading
the software file vary from chassis to chassis and
sometimes from model to model. The customer is provided
with the instructions to properly format the USB thumb drive,
unzip the file, and the procedures for loading the software
into the television
SOFTWARE UPDATES FOR SERVICERS
Replacement Main Boards are now stocked with basic software. Once the
replacement board is installed in the TV, the most current software needs
to be installed using a USB thumb drive containing the necessary software.
This new method of supplying Main Boards significantly reduces the
This new method of supplying Main Boards significantly reduces the
complexity of replacing the Main Boards. Information about the LCD
panel is stored on the TCON circuits. This information is automatically
loaded onto the Main Board when the TV is powered up. With the correct
software version the Main Board and/or the TCON can be replaced
more efficiently. The software update and procedures for the software
installation are located on the Sony Authorized Servicer Portal at
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