Sony HT-A9 Mode D'emploi page 46

Power
The speaker system does not power
up.
 Check that the AC power cord (mains
lead) is connected securely.
 Disconnect the AC power cord (mains
lead) from the wall outlet (mains), and
then reconnect after several minutes.
The speaker system does not turn
on even when the TV is turned on.
 Set
[Setup] - [Advanced Settings]
- [HDMI Settings] - [Control for HDMI]
to [On]. The TV must support the
Control for HDMI function (page 38).
For details, refer to the operating
instructions of your TV.
 Check the speaker settings of the TV.
The speaker system power syncs with
the speaker settings of the TV. For
details, refer to the operating
instructions of your TV.
 Depending on the TV, if the sound
was output from the speakers of the
TV the previous time, the speaker
system may not turn on by
interlocking with the TV power even
when the TV is turned on.
The speaker system turns off when
the TV is turned off.
 Check the setting of
[Advanced Settings] - [HDMI Settings]
- [Standby Linked to TV]. When
[Standby Linked to TV] is set to [On] or
[Auto], the speaker system turns off
automatically when you turn off the
TV.
The speaker system does not turn
off even when the TV is turned off.
 Check the setting of
[Advanced Settings] - [HDMI Settings]
- [Standby Linked to TV]. To turn the
speaker system off automatically,
regardless of the input when you turn
off the TV, set [Standby Linked to TV]
to [On]. The TV must support the
Control for HDMI function (page 38).
46
GB
The speaker system cannot be
turned off.
 The speaker system may be in demo
There is no picture or the picture is
not output correctly.
 Select the appropriate input
 When there is no picture while the TV
 When there is no picture while the
 Disconnect an HDMI cable, then
 When there is no picture from the
[Setup] -
 The speaker system is connected to
[Setup] -
The picture on the TV screen is
distorted.
 Interference of the wireless function
For details, refer to the operating
instructions of your TV.
mode. To cancel demo mode, reset
the speaker system. Press and hold 
(power) on the control box for more
than 10 seconds (page 53).
Picture
(page 22).
input is selected, select the TV
channel that you want using the TV
remote control.
HDMI input is selected, press the
playback button of the connected
device.
connect it again. Make sure that the
cable is firmly inserted.
connected device or the picture from
the connected device is not output
correctly, change the setting of
[Setup] - [Advanced Settings] -
[HDMI Settings] - [HDMI Signal
Format] - [HDMI IN]. For details, refer
to Help Guide.
an input device that is not HDCP
(High-bandwidth Digital Content
Protection) compliant. In this case,
check the specifications of the
connected device.
between the TV/other wireless
devices and the control box may have
occurred. Move the control box,
change the direction of the control