Sony Bravia KDL-75W850C Reference Manual page 18

The [Parental Lock] password
has been forgotten.

Enter 9999 for the PIN code.
(PIN code 9999 is always
accepted.)
The TV surrounds become
warm.

When the TV is used for an
extended period, the TV
surrounds become warm.
You may feel hot when
touching there by the hand.
Frozen audio or video, a blank
screen, or the TV does not
respond to TV or remote
control buttons.

Perform a simple reset of the
TV by unplugging the AC power
cord (mains lead) for two
minutes, then plug it in again.
The , CH+/–,  +/–,  and
TV buttons cannot be located
on the TV.

See below illustration for
location of the buttons on the
TV.
Rear of TV
18
GB
The illumination LED is turned
on.

If you do not wish to light up
the illumination LED, you can
turn it off.
Press 主菜单 , then select
[Settings] t [Illumination LED]
t [Off].
Cannot connect to a wireless
router by WPS (Wi-Fi Protected
Setup).

If you use WEP security, select
[Easy] t [Wi-Fi] t [Connect by
scan list]. Then, select the
network name (SSID) you want
to connect.
Cannot find the required
network name in network
setup.

Select [[Manual entry]] and
press to enter network
name.