Sony SCPH-77002 - Manual (Page 54)

54 Troubleshooting
Connection to the network cannot be established.
, Check that the network settings are correct. Refer to the instructions supplied
with the software or the information from your Internet service provider and
adjust the settings accordingly.
, The network is busy. Wait a few minutes, and then try to access the network
again.
, Check that the network cable is properly connected ( page 43).
, Check that you are using the correct type of network cable.
, Check that the network settings or connections of the network device are correct.
Refer to the instructions supplied with the network device for details.
Network