Sony BDV-E770W/T77 Operating Instructions Manual page 63

Blu-ray disc/dvd home theatre system
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Symptom
Bonus contents or other data that
are contained in a BD-ROM
cannot be played.
A message indicating that the
internal memory does not have
enough space appears on the
screen.
The unit does not work and
"CHILD LOCK" appears in the
front panel display when you
press any button on the unit.
The system menu does not work. • Press HOME on the remote.
USB device
Symptom
The USB device is not
recognized.
S-AIR
Symptom
Wireless transmission is not
activated. (The indicator of the
S-AIR sub unit flashes green
slowly or turns red.)
There is no sound from the
S-AIR sub unit, noise is heard
from the S-AIR sub unit, or
sound from the S-AIR sub unit
skips.
Problems and solutions
• Try the following: 1 Remove the disc. 2 Turn the system off. 3 Remove and
reconnect the USB device (page 30). 4 Turn the system on. 5 Insert the BD-
ROM with BONUSVIEW/BD-LIVE.
• Delete unnecessary data in internal memory or USB memory. Select [Erase BD
Data] in
[Video] to delete unnecessary data. If you use USB memory as
local storage, all saved data in the [BUDA/BUDB] folder is deleted. Make sure
to backup any video/music/photo data in the [BUDA/BUDB] folder (page 29).
• Set the child lock function to off (page 48).
Problems and solutions
• Try the following: 1 Turn the system off. 2 Remove and reconnect the USB
device. 3 Turn the system on.
• Make sure that the USB device is securely connected to the
• Check if the USB device or a cable is damaged.
• Check if the USB device is on.
• If the USB device is connected via a USB hub, disconnect it and connect the
USB device directly to the unit.
Problems and solutions
• Check that the wireless transceiver is inserted correctly into the unit and S-AIR
sub unit (page 22).
• Confirm the S-AIR IDs of the unit and S-AIR sub unit (page 39).
• Confirm the pairing setting (page 41).
• See "If wireless transmission is unstable" (page 42).
• Sound transmission is poor. Move the S-AIR sub unit so that the indicator turns
green.
• Move the system away from other wireless devices.
• Avoid using any other wireless devices.
• If you use another S-AIR main unit, place it more than 25 feet (8 meters) away
from the unit.
• Place the S-AIR main unit and S-AIR sub unit closer together.
• Avoid use of equipment that generates electromagnetic energy, such as a
microwave oven.
• Place the S-AIR main unit and S-AIR sub unit away from other wireless
products.
• See "If wireless transmission is unstable" (page 42).
• Change the S-AIR ID settings of the S-AIR main unit and S-AIR sub unit.
• Turn off the system and S-AIR sub unit, then turn them on.
(USB) port.
63
US

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