BDV-EF220, BDV-EF420, HBD-EF220, HBD-EF420 - Sony Audio Service Manual (repair manual). Page 10

NOTE  OF  REPLACING  THE  IC3102  ON  THE  AMP  
BOARD  AND  THE  COMPLETE  AMP  BOARD
When IC3102 on the AMP board and the complete AMP 
board are replaced, it is necessary to spread the compound
(GREASE (G-747) 1KG) (Part No. 7-640-004-33 ) between parts 
and heat sink.
Spread the compound referring to the fi gure below.

CHECKING  METHOD  OF  NETWORK  OPERATION
It is necessary to check the network operation, when replacing the 
MB148 board. Check the operation of wired LAN, according to 
the following method.

1.  Checking method of wired LAN operation
Check that access point is recognized surely.

1.  Connect the main unit to the router or the hub, etc. with the 

LAN cable.

2.  Press the [HOME] button on the remote commander to enter 

the home menu.

3. Press 

the 

[m]/[M]/[<]/[,] buttons on the remote command-

er to select “Network Settings”

“Internet Settings”, and press 

the [ ] button on the remote commander.

4.  Press the [m]/[M] buttons on the remote commander to select 

“Wired Setup”, and press the [ ] button on the remote com-
mander.

5. Press 

the 

[m]/[M]/[<]/[,] buttons on the remote command-

er to select “Auto”, and press the [ ] button on the remote 
commander.

6.  Press the [,] button on the remote commander.

7.  Press the [m]/[M] buttons on the remote commander to select 

“Save & Connect”, and press the [ ] button on the remote 
commander.

8.  When “Internet Settings is now complete.” appears, then press 

the [ ] button on the remote commander.

9.  Press the [HOME] button on the remote commander to enter 

the home menu.

10. Press the [m]/[M]/[<]/[,] buttons on the remote command-

er to select “Network Settings”

“Internet Settings”, and press 

the [ ] button on the remote commander.

11. Press the [m]/[M] buttons on the remote commander to select 

“Network Connection Diagnostics”, and press the [ ] button 
on the remote commander.

12. Press  the  [<]/[,] buttons on the remote commander to 

select “Start”, and press the [ ] button on the remote com-
mander. 

13. Check that IP address can be acquired.

Note: Refer to the instruction manual about details of the setting method.