HT-ST9 - Sony Audio Service Manual (repair manual). Page 6

NOTE  OF  REPLACING  THE  IC7004, IC7005, IC7007  
AND  IC7008  ON  THE  AMP  BOARD  AND  THE  COM-
PLETE  AMP  BOARD
When IC7004, IC7005, IC7007 and IC7008 on the AMP board and 
the complete AMP board are replaced, it is necessary to spread the 
compound between the AMP board and the heat sink.
Spread the compound referring to the fi gure below.

BOARD  OR  CARD  WLAN/BT  COMBO
When the complete MB1406 board or card WLAN/BT combo is 
replaced, you must perform the following item.

When replacing the complete MB1406 board:
•  NETWORK INFORMATION WRITING AND CHECKING 

OF NETWORK/NFC OPERATION (refer to this page)

• 

NOTICE OF MAC ADDRESS CHANGE TO CUSTOMERS 
(refer to page 8)

•  NOTES ON THE WIRELESS CONNECTION (LINK) AF-

TER REPAIRS ARE COMPLETE (refer to page 8)

When replacing the card WLAN/BT combo:
•  NETWORK INFORMATION WRITING AND CHECKING 

OF NETWORK/NFC OPERATION (refer to this page)

• 

NOTICE OF MAC ADDRESS CHANGE TO CUSTOMERS 
(refer to page 8)

NETWORK  INFORMATION  WRITING  AND  CHECKING  
OF  NETWORK/NFC  OPERATION
When the complete MB1406 board or card WLAN/BT combo are 
replaced, execute the below BD service mode. And check the op-
eration of wireless/wired LAN and NFC.

Procedure:
1.  Connect this unit with TV monitor.
2.  Press the [

@

/1

] button to turn the power on.

3.  Press button in order of the [

x

] → [DISPLAY] → [

X

] → [

V] 

on the remote commander.

 

(Make the interval when each button is pressed within one sec-
ond)

4.  Enter the BD service mode. The OSD menu on TV monitor 

can be operated by remote commander.

5.  Press the [

v] button on the remote commander to select 

“Diag”, and press the [ ] button on the remote commander.

6.  Press the [

b] button on the remote commander to select “Wire-

less LAN Test”. (Screen 1)

7.  Press the [

v] button on the remote commander to select “[5] 

Write P2P address to Registry”.

8.  Press the [ ] button on the remote commander, wait until the 

display show “Status: Write Successful!” (Screen 2).

9.  Press the [BACK] button on the remote commander to return 

to category select screen, and press the [

b] button on the re-

mote commander to select “Bluetooth Device Test”. (Screen 3)

10. Press the [ ] button on the remote commander to select “(1) 

Bluetooth Enable”.

11. Press the [ ] button on the remote commander, wait until the 

display show “Status: Bluetooth Enable Successful!” (Screen 
4).

12. Press the [

v] button on the remote commander to select “(3) 

Write Bluetooth device address to Registry”.

13. Press the [ ] button on the remote commander, wait until the 

display show “Status: Write Successful!” (Screen 5).

14. Press the [

@

/1

] button to turn the power off.

 Diag

 Diag
Category:            Wireless LAN Test

 Diag

 Diag
Category:            Bluetooth Device Test

– Continued on next page –