Service manual

MEX-XB100BT
13
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 25 and after)
– Top view –
BT module label
BD_ADDR
(Barcode)
BD_ADDR
48D2242F241A
MAIN board
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).
(Displayed characters/values in the following fi gure are
example)
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 [ SCRL
DSPL] button.
(Displayed characters/values in the following fi gure are
example)
Bluetooth address (BD_ADDR)
Note: When pressing the [ SCRL DSPL] 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.