Sony STR-AZ1000ES Manual De Instrucciones página 28

The surround effect cannot be obtained.
 Be sure to select the optimal sound field for the content. For
details on the sound fields, see "Selectable sound fields and their
effects" (page 23).
 To activate the virtualizer and obtain the surround effect when the
speaker pattern is set to [2.0] or [2.1], set [Sound Field] to [A.F.D.],
[A.F.D. Movie], [Dolby Mode] or [DTS:X Mode], set [Upmixer] to
[Auto], and set [Virtualizer] to other than [Off].
The center component of the audio is not output from the TV when
using the TV as a center speaker by connecting the S-CENTER OUT
jack of the receiver to the S-CENTER SPEAKER IN jack of the TV. (The
Acoustic Center Sync function is not working)
 Check that [Control for HDMI] is [On] in the [HDMI Settings] menu.
 Press HOME, select [Setup] – [Speaker Settings] –
[TV/Screen Center Settings] – [TV Center Speaker Mode] and then
set to [On].
 Select a sound field other than [2ch Stereo].
 The sound may not be output through the TV speaker depending
on the sound source.
 When a BLUETOOTH device is connected and [Bluetooth Mode] is
set to [Transmitter], or a headphone is connected, the sound will
not be output through the TV speaker.
Network connection
Cannot connect to the network.
 Check that the LAN cable is connected to the receiver when you
want to connect the receiver to the network via a wired LAN
connection.
 Check the network information. If the connection failed, set up the
network connection again.
 If the receiver is connected through a wireless network, move the
receiver and the wireless LAN router/access point closer to each
other and perform the setup again.
– Make sure that you use a wireless LAN router/access point.
– Make sure that the wireless LAN router/access point is turned
on.
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– Check the settings of the wireless LAN router/access point and
perform the setup again. For details on the settings of devices,
refer to the operating instructions of the devices.
– Wireless networks are influenced by electromagnetic radiation
emitted by microwave ovens and other devices. Move the
receiver away from these devices.
Error messages
"PROTECTOR" or "THERMAL" appears on the display panel.
The receiver will automatically turn off after a few seconds. Check
the followings:
 There may be an electrical surge or power failure. Unplug the AC
power cord (mains lead) and then plug in the cord again after
30 minutes.
 The receiver is covered and the ventilation holes are blocked.
Remove the object covering the ventilation holes of the receiver.
 The impedance of the connected speakers is below the rated
impedance range indicated on the back panel of the receiver.
 Reduce the volume level.
 Unplug the AC power cord (mains lead) and let the receiver
cool down for 30 minutes while performing the following
troubleshooting:
– Disconnect all of the speakers and subwoofer.
– Check that the speaker wires are tightly twisted on both ends.
– Connect the front speaker first, increase the volume level and
operate the receiver for at least 30 minutes until it completely
warms up. Then, connect each additional speaker one by one
and test each additional speaker until you detect which speaker
is causing the protection error.
After checking the above items and fixing any problems, plug in the
AC power cord (mains lead) and turn on the receiver. If the problem
persists, consult your nearest Sony dealer.
[Overload has been detected.] appears on the TV screen.
An over-current from the  (USB) port was detected. Disconnect
the USB device as prompted in the warning message and close the
message.