NWZ-F885, NWZ-F886, NWZ-F887 - Sony Audio Service Manual (repair manual). Page 4

ABOUT  THE  REPAIRING  OF  BOARD
When the boards installed in this unit are defective, exchange the 
complete mounted board.
However the [

1

] (S7004), [VOL +] (S7001), [VOL −] (S7003), 

[

>

] (S7006), [

u

] (S7002) and [

.

] (S7007) switches on the 

MAIN board are exchangeable.
Refer to “4. EXPLODED VIEWS” (page 32).

It cannot reuse, when the BATTERY ASSY (BAT1) is removed from adhe-
sive sheet. Replace it with a new BATTERY ASSY (BAT1).
And when the BATTERY ASSY (BAT1) is removed from board, insulate 
the end of wire by a tape etc. to prevent short-circuited of the wire part of 
BATTERY ASSY (BAT1).

ABOUT  THE  REPAIRING  OF  THE  BATTERY  ASSY 
(BAT1)
When the BATTERY ASSY (BAT1) is replaced, refer to “3. SER-
VICE MODE” (page 21 to 31).

NOTE  THE  MAIN  BOARD  REPLACING
When the MAIN board is replaced, you must perform the destina-
tion setting. Refer to “DESTINATION SETTING” (page 5), and 
perform the destination setting.
Moreover, when the MAIN board is replaced, the MAC address and 
DTCP-IP ID have been changed.
Print the page 9 and 11, and pass it to the customer with the re-
paired unit when you return the customer the repaired unit.

Delete data such as Google account information and downloaded applications, and 
reset your Walkman to factory default. 

If you put a checkmark in the checkbox by tapping [Erase USB storage], the following data 
will be erased: Music and photo data transferred to your Walkman, Preinstalled content, the 
Setup.exe file stored in Walkman memory for installation on your computer. Be careful 
because the preinstalled content and the files in the “FOR_WINDOWS” and “FOR_MAC” 
folders will not be offered again. It is best to back up such data to a computer before 
initializing the Walkman.

‡

Tap

 - 

 [Settings] - [

 Backup & reset] - [Factory data reset] - [Reset 

device].

1.

To delete transferred music or photos, tap [Erase USB storage] to put a 
checkmark in the checkbox. 

Tap [Erase everything]. 

2.

Your Walkman restarts automatically after being initialized.

Try resetting your Walkman if operations become unstable. 
Before resetting your Walkman, check that no song, video, etc. is being played back, 
otherwise the data may be damaged. 

Press and hold the   button for about 8 seconds or press the RESET button with 
a pen or paper clip, etc. to reset your Walkman. 

1.

No data or settings will be deleted by resetting your Walkman.

‡

Data and settings in use may not be saved when you reset your Walkman.

‡