Sony DSX-A410BT Service Manual page 12

DSX-A410BT/A415BT
3. Error Display
When the writing of the NFC tag data has failed, "Error" is dis-
played on the screen of the smartphone.
When "Error" is displayed on the screen of the smartphone, oper-
ate according to the procedure below.
Procedure:
1. Tap the "Write" on the screen of the smartphone to write of the
NFC tag data again.
2. When "Error" is displayed on the screen of the smartphone
again, tap the "Read" on the screen of the smartphone.
3. Check that "MODE" on the screen of the smartphone is not
"00 00 (Read-only)".
4. When "MODE" on the screen of the smartphone is "00 00
(Read-only)", execute the writing of the NFC tag data again
after replacing the knob (VOL) assy (Ref. No. NFC1).
(When "MODE" on the screen of the smartphone is "00 00
(Read-only)", the writing of the NFC tag data cannot execute)
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 on the MAIN
board can be seen.
(Refer to "3. DISASSEMBLY" on page 23 and after)
– MAIN Board (Component Side) –
BT module label
12
BD_ADDR
(Barcode)
BD_ADDR
48D2242F241A
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 [
only the [ 6] button for two seconds).
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(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 twice (software main version → software
DSP version → Bluetooth address).
(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 NFC Tag Data Writing Application on the smart-
phone.
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 NFC Tag Data Writing Application on the smartphone.
4] → [MIC 5] → [ 6] (press
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