Operation Manual
Troubleshooting
En-70
BLUETOOTH function
● Try plugging/unplugging the power of the unit and try
turning on/off the BLUETOOTH-enabled device. Re-
startup of the BLUETOOTH-enabled device may be
effective.
● The BLUETOOTH-enabled devices must support the
A2DP profile.
● Near components such as microwave oven or cordless
phone, which use the radio wave in the 2.4 GHz range,
a radio wave interference may occur, which disables the
use of this unit.
● If there is a metallic object near the unit, BLUETOOTH
connection may not be possible as the metal can effect
on the radio wave.
If the above does not solve the problem, check the
following.
Cannot connect with this unit
● The BLUETOOTH function of the BLUETOOTH-enabled
device is not enabled. Refer to the user manual of the
BLUETOOTH-enabled device for how to enable the
BLUETOOTH function.
● When building a BLUETOOTH connection between
this unit and your BLUETOOTH-enabled device for the
first time, if the connection fails, select "6.Hardware" -
"Bluetooth", execute "Clear" in "Pairing Information", turn
off and then on again your BLUETOOTH-enabled device
to clear the device name, and build the BLUETOOTH
connection again.
● If the wireless LAN and BLUETOOTH connections are
used at the same time, try connecting the ETHERNET
port and router with the Ethernet cable after selecting
"6. Hardware" - "Network" and changing "Wi-Fi" to "Off
(Wired)" for a better connection.
Music playback is unavailable on the unit even after
successful BLUETOOTH connection
● When the audio volume of your BLUETOOTH-enabled
device is set low, the playback of audio may be
unavailable. Increase the volume of the BLUETOOTH-
enabled device.
● Depending on the BLUETOOTH-enabled device, Send/
Receive selector switch may be provided. Select Send
mode.
● Depending on the characteristics or specifications of
your BLUETOOTH-enabled device, playback on the unit
is not guaranteed.
Sound is interrupted
● Problem may be occurring at the BLUETOOTH-enabled
device. Check the information on a web page.
The audio quality is poor after connection with a
BLUETOOTH-enabled device
● The BLUETOOTH reception is poor. Move the
BLUETOOTH-enabled device closer to the unit or
remove any obstacle between the BLUETOOTH-
enabled device and this unit.
"Bluetooth" - "Auto Reconnect" does not work
● This may not work with some BLUETOOTH-enabled
devices.
In that case, pair the unit and the BLUETOOTH-enabled
device and then play again.
Network function
● Network services become selectable after the network
starts up even if they cannot be selected first. It may
take about a minute to start up.
● When NET is blinking, the AV receiver is not properly
connected to the home network.
● Try unplugging the power supply of this unit and the
router, and then plugging in again. Try rebooting the
router.
If the above does not solve the problem, check the
following.
Cannot access the Internet radio
● Certain network service or contents available through
the unit may not be accessible in case the service
provider terminates its service.
● Make sure that your modem and router are properly
connected, and make sure they are both turned on.
● Make sure that the router LAN side port is properly
connected to the AV receiver.
● Make sure that connecting to Internet from other
components is possible. If connecting is not possible,
turn off all components connected to the network, wait
for a while, and then turn on the components again.
● If a specific radio station is unavailable for listening,
make sure the registered URL is correct, or whether the
format distributed from the radio station is supported by
this unit.
● Depending on ISP, setting the proxy server is necessary.
● Make sure that the used router and/or modem is
supported by your ISP.
Cannot access the network server
● This unit needs to be connected to the same router as
the network server.
● Make sure your network server has been started up.
● Make sure your network server is properly connected to
the home network.
● Make sure your network server is correctly set.
● Make sure that the router LAN side port is properly
connected to the AV receiver.
Playback stops while listening to music files on the
network server
● Make sure the network server is compatible with this
unit.
● When the PC is serving as the network server, try
quitting any application software other than the server
software (Windows Media
R
Player 12 etc.).
● If the PC is downloading or copying large files, the
playback may be interrupted.
USB storage device
USB storage device is not displayed
● Check whether the USB storage device or USB cable is
correctly inserted to the USB port of the unit.
● Remove the USB storage device from the AV receiver
once, and then try re-connecting.
● Performance of the hard disk that receive power from
the USB port of the unit is not guaranteed.
● Depending on the type of format, the playback may
not be performed normally. Check the type of the file
formats that is supported.
● This unit supports FAT16 and FAT32 file system formats
for USB storage devices.
● USB storage devices with security functions may not be
played.