Read Sony KDL-40EX645 / KDL-46EX641 / KDL-46EX645 / KDL-50EX645 / KDL-55EX645 Service Manual online
KDL-40EX645/46EX641/46EX645/50EX645/55EX645 30
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.
●
Network Downloads
Internet software updates are becoming more prevalent
as more and more models incorporate home network
capabilities. This method is the most practical since the
television will check for the latest version of software. The
models with this type of chassis provide the customer with a
choice of turning the automatic software update feature on or
off. If set to on, the television will lookup software information
while the unit is in standby. If a newer version is available, it
will be downloaded and installed without any input from the
customer.
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
http://www.sony.com/asp.
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