MEX-N5000BE, MEX-N5000BT, MEX-N5050BT, MEX-N5070BT - Sony Car Audio Service Manual (repair manual). Page 11

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MEX-N5000BE/N5000BT/N5050BT/N5070BT
11
4.  Check Method of the NFC Tag Data
Check the NFC tag data according to the procedure below.
Procedure:
1.  Check the Bluetooth address (BD_ADDR).
 
There are following two checking methods.
 
• 
How to read from the BT module label
 
• 
How to display on the liquid crystal display by the test mode
 
How to read from the BT module label:
 
Set the unit to the state where the BT module (Ref. No. IC1002 
on the MAIN board) can be seen.
 
(Refer to the “3. DISASSEMBLY” on the page 28 and after)
BT module label
BD_ADDR
(Barcode)
BD_ADDR
48D2242F241A
– MAIN board top view –
 
How to display on the liquid crystal display by the 
test mode:
 
1.  In the state of source off (the clock is displayed on the 
liquid crystal display),  enter the test mode by pressing the 
buttons in order of the [
 4] 
t [MIC 5] t [PAUSE 6] 
(press only the [PAUSE 6] button for two seconds).
 
Software main version
 
2.  In the state in which the software main version is displayed 
on the liquid crystal display, enter the Bluetooth address 
(BD_ADDR) display mode by pressing the [
 
DSPL 
MENU]  button.
 
 
(Displayed characters/values in the following fi gure  are 
example)
 
Bluetooth address (BD_ADDR)
 
Note: When pressing the [  DSPL MENU] button again, the destina-
tion code is displayed on the liquid crystal display, but it is not 
necessary to display in this step.
 
3.  The resetting operation is executed by pressing the [
 
OFF 
SRC] button for 1 second after the confi rming ends, and 
the unit returns to the normal condition.
2.  Turn on the NFC function of the smartphone.
3.  Start the NFCtagWriter application on the smartphone.
4.  Tap the “Read” on the screen of the smartphone.
5.  Check that “BD_ADDR” on the screen of the smartphone ac-
cords with BD_ADDR written on the BT module label and 
“MODE” on the screen of the smartphone is “00 00 (Read-
only)”.
6.  End the NFCtagWriter application on the smartphone.
Ver. 1.3
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