HT-NT3 - Sony Audio Service Manual (repair manual). Page 8

BOARD  OR  CARD  WLAN/BT  COMBO
When the complete MB-1407 board or CARD WLAN/BT COM-
BO are replaced, please execute the below service mode.
Procedure:
[Home menu 

→ Setup → Resetting → Reset to Factory Default 

Settings 

→ All Settings]

Next, go to service menu and execute “[1] Bluetooth Enable” and 
“[3] Write Bluetooth device address to Registry”.
Finally check one touch NFC listening function at normal power 
on.

Note: The operation in this mode must use a remote commander 
and TV monitor.

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

] 

→ [M] on 

the remote commander.
 (Make the interval when each button is pressed within two 
seconds)

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

can be operated by remote commander.

5.  Press [

m

] and Enter Diag.

6.  Press [

,

] and Enter Bluetooth Device Test (Screen 1).

7.  Enter [1] Bluetooth Enable, wait until the display show 

“ Status : Bluetooth Enable Successful ” (Screen 2).

8.  Enter [3] Write Bluetooth device address to Registry, wait until 

the display show “Bluetooth Device Address” and “Status : 
Write Successfull” (Screen 3).

9.  Press the [RETURN] button on the remote commander to 

select “Wireless LAN Test”. (Screen 4)

10.  Press the [

] button on the remote commander to select 

“[5] Write P2P address to Registry”.

11.  Press the [

] button on the remote commander, wait until the 

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

12.  Press the [

m

] button on the remote commander to select 

“[6] P2P Registry Check”.

13.  Press the [

] button on the remote commander to check the 

P2P devise address is the same as shown in Screen 5.
(Displayed chracters/values in the following fi gure are ex-
ample)

14.  Press the [BACK] button on the remote commander and 

select Factory Initialize. (go to Screen 7)

15.  The set will turn off automatically.

 Diag

 Diag

 NOTE  OF  REPLACING  THE  CARD  WLAN/BT  COMBO
When the CARD WLAN/BT COMBO is exchanged, the MAC 
address has been changed.
Please print and cut out the following explanations, and return it
with the unit that complete the repair.

 

MAC address of this receiver has been changed by 
this repair.
The customer who use the MAC address fi ltering 
function of connected access point equipment please 
set it again.
MAC address is possible to confi rm on the System 
Information screen of this unit.
Please refer to “Settings and Adjustments” ---> 
“System Settings” ---> “System Information” on the 
Instruction Manual for details. 

 

Please check the basic operation for wired LAN, Wireless 

 

LAN and USB after the repair completed.

NOTE  OF  DELETING  THE  PRODUCT  REGISTRATION  
ON  SEN  (INTERNET  MUSIC  SERVICES)
It is needed to delete the product registration on SEN (Internet 
Music Services) by checking the “Device ID” which have 12 digits 
hexadecimal number. The procedure of checking “Device ID” can 
be followed as below:

1.  Press [HOME] button of the remote commander, the message 

“HOME” appears.

2.  Select “Setup” and press [

] button.

3.  Select “System Settings” and press [

] button.

4.  Select “System Information” and press [

] button.

5.  Device ID will shown on the display.

Device ID: XXXX XXXX XXXX (12 digits hexadecimal 
number).

If it is needed to delete the customer’s registration, please contact 
the Service Headquarter with Device ID information.