Sony STR-DN1080 Manual page 208

Check [Network Connection Status]. If [Not accessible] or [Failed] appears, set up the
network connection again.
If the receiver is connected to a wireless network, move the receiver and the wireless LAN
router/access point closer to each other.
If your contract with your Internet provider limits Internet connection to one device at a time,
this device will not be able to access the Internet when another device is already connected.
Consult your carrier or service provider.
[290] Troubleshooting
The sound skips.
The bandwidth of your network may be too low. If using wireless LAN connection, move the
receiver and the wireless LAN router/access point closer to each other, without any
obstructions between them.
[291] Troubleshooting
Pairing cannot be done.
Move the BLUETOOTH device closer to the receiver.
Pairing may not be possible if there are other BLUETOOTH devices near the receiver. In
this case, turn off the other BLUETOOTH devices.
Correctly enter the same passkey that was entered on the BLUETOOTH device.
[292] Troubleshooting
Cannot make a BLUETOOTH connection.
Confirm that the BLUETOOTH mode is selected correctly.
The BLUETOOTH device you attempted to connect does not support the A2DP profile, and
cannot be connected with the receiver.
Press CONNECTION
connected BLUETOOTH device.
Turn on the BLUETOOTH function of the BLUETOOTH device.
Establish a connection from the BLUETOOTH device.
The pairing registration information has been erased. Perform the pairing operation again.
While connected to a BLUETOOTH device, this receiver cannot be detected.
Erase the pairing registration information of the BLUETOOTH device and perform the
pairing operation again.
[293] Troubleshooting
Music services
BLUETOOTH device
BLUETOOTH device
PAIRING BLUETOOTH on the receiver to connect to the last
BLUETOOTH device