Sony WH-XB900N Service Manual page 5

WH-XB900N
RESETTING METHOD
If this unit does not operate properly, perform the reset of this unit
with following procedure.
Note 1: Even if this work is performed, device pairing information is not
deleted.
Resetting procedure:
1. Connect this unit to a booted PC or optional USB AC adaptor
using the supplied USB-Type-C™ cable, set the charge status.
2. After connecting, check that the left channel side indicator lights
up in red.
Note 2: The left channel side indicator turns off when charging is complet-
ed.
3. Press the [1] button and [CUSTOM] button simultaneously.
4. This unit be reset.
Note 3: After resetting, when charging this unit, disconnect the USB Type-
C™ cable from this unit and connect it again.
Connection:
[CUSTOM] button
[
1
Red
5
] button
or
INITIALIZING METHOD
After completion of repairs, be sure to perform the following proce-
dure to initialize this unit.
Note 1: When this work is performed, all device pairing information is
deleted and settings return to factory defaults.
Initializing procedure:
1. Check that the USB-Type-C™ cable is not connected to this
unit, and press the [1] button for about 2 seconds to turn the
power off.
Note 2: If already power is turned off, check the USB-Type-C™ cable is
not connected, proceed to step 2.
about 2
seconds
2. Press the [1] button and [CUSTOM] button simultaneously for
about 7 seconds or longer, then the left channel side indicator
(blue) fl ashes 4 times and the settings return to factory defaults.
Press simultaneously for
about 7 seconds or longer.
[CUSTOM]
button
[ ] button
1
Note 3: When this unit is initialized, it might not be able to connect to
iPhone or PC.
In that case, delete the registration of this unit on iPhone or PC,
register the device again.
Sony CONFIDENTIAL
For Authorized Servicer
Blue
Light off
Blue
SYS SET