XAV-V630BT - Sony Car Audio Service Manual (repair manual). Page 9

4.  Check Method of the NFC Tag Data
Check the NFC tag data according to the procedure below.

Procedure:
1.  In the state of source off (Home screen is displayed), enter the 

test mode by pressing the buttons on the remote commander in 
order of the [4] t [5] t [0] (press only the [0] button for two 

seconds).

2.  The following screen is displayed and confi rm the BT Addr 

(Bluetooth address).

 

(Displayed characters/values in the following fi gure are ex-
ample)

<Test Mode>

  1.AUDIO FACTORY MODE

  2.AUDIO DEBUG MODE

  4.VISUAL FACTORY MODE

  6.DESTINATION SETTING MODE

DEST: EUR                      REGION: 2
MCU: SONY-ST06-150721
Graphic: SONY-TW06-150721
Mecha: SONY-SP02-150721
Servo: HI6CD1-BBA-893D
BT: H28004-V2R133-20001 / XAV-V630BT
BT Addr: 001753767368

3.  The resetting operation is executed by pressing the reset button 

after the confi rming ends, and the unit returns to the normal 
condition.

4.  Turn on the NFC function of the smartphone.
5.  Start the 15Visual NFCtagWriter application on the smart-

phone.

6.  Tap the “Read” on the screen of the smartphone.

15Visual NFCtagWriter

7.  Check that “BD_ADDR” on the screen of the smartphone 

accords with BD_ADDR confi rmed on the screen in the test 
mode and “MODE” on the screen of the smartphone is “00 00 
(Read-only)”.

00   17   53   76   73   68

68   73   76   53   17   00

15Visual NFCtagWriter

8.  End the 15Visual NFCtagWriter application on the smart-

phone.

5.  The Factor that One Touch Connection is Impossible 
The four following factors are considered as the factor that one touch connection is impossible. 
Guess and check the defective factor by each checking result.

 The four following factors are examples.

1

Complete BT 
board defect

NG

―

NG

NG

2

VOL knob assy 
defect

OK

NG

OK

NG

3

NFC tag data 
writing failure

OK

NG

OK

NG

4 Smartphone

OK

OK

OK

NG