Sony WH-1000XM4 Service Manual page 5

WH-1000XM4
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
2. After connecting, check that the right channel side indicator lights
up in red.
Note 2: When charging is completed, the right channel indicator lights up in
red for a few seconds and then turns off .
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:
Red
5
® cable, set the charge status.
[CUSTOM]
button
[ ] button
1
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
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
connected, perform the work from 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 automatically return to
factory defaults.
[CUSTOM]
button
[ ] button
1
Press simultaneously for
about 7 seconds or longer.
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
cable is not connected to this unit,
®
cable is not
®
Blue Light off
SYS SET