Sony 49X8300C Manuel de référence - Page 20
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Troubleshooting
In order to keep your TV software
up-to-date, it is necessary to
download the latest software
information via the digital
broadcasting system or internet and
to update the software. Select
[Update Now] to start a software
update. The illumination LED
flashes white while the software is
updating. Do not unplug the AC
power cord (mains lead) during the
software update. If you do, the
software update may not finish
completely, and it may cause a
software malfunction. Software
updates can take up to 30 minutes.
If you do not wish to update the
software automatically, press 主菜单
and select [Help] [System
software update] [Automatic
software download] [Off].
When you unplug the TV and plug it
in again, the TV may not be able to
turn on for a while even if you press
电视电源 on the remote control or
on
the TV because it takes time
to initialize the system. Wait for
about 10 to 20 seconds, then
operate it again.
When the illumination LED is
flashing red, count how many
times it flashes (interval time is
three seconds).
If the illumination LED flashes red,
reset the TV by disconnecting the
AC power cord (mains lead) for two
minutes, then turn on the TV.
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If the problem persists, contact your
dealer or Sony service centre with
the number of times the
illumination LED flashes red
(interval time is three seconds).
Disconnect the AC power cord
(mains lead), and inform your
dealer or Sony service centre.
When the illumination LED is
not flashing, check the items as
follows.
You can also refer to
[Troubleshooting] in the Help Guide
or perform self-diagnosis by
selecting [Help] [Self
diagnostics]. If the problem
persists, have your TV serviced by
qualified service personnel.
Troubles and Solutions
There is no picture (screen is
dark) and no sound.
Check the antenna (aerial)/
cable connection.
Connect the TV to AC power
(mains), and press on the TV
or 电视电源 on the remote
control.
Some programmes cannot be
tuned.
Check the antenna (aerial)/
cable connection.
The remote control does not
function.
Replace the batteries.