MHS-TS55 - Sony Movie Service Manual (repair manual). Page 12

Along with repair this time, the MAC address 
has been changed. 
The following items of Wi-Fi connection setup 
have also been initialized. 
• Login information for each network service
• Wi-Fi access point information

Make sure that you make the initial settings 
again for any communication devices.
For setup procedures, refer to the following 
website (*) or "Instruction Manual".

(*) 

www.sony.net/start/bloggie