NWZ-A844, NWZ-A845, NWZ-A846, NWZ-A847 - Sony Audio Service Manual (repair manual). Page 4

NOTE  THE  MAIN  BOARD  REPLACING
When the MAIN board is replaced, process it according to the fol-
lowing.

You can format the built-in flash memory of the player.

t  If the memory is formatted, all data (songs, videos, photos, etc., including sample data 

installed at the factory, bundled software installer, and the Operation Guide) will be 
erased. Be sure to verify the data stored in memory prior to formatting, and export any 
important data to the hard disk of your computer.

t  Be sure not to initialize (format) the built-in flash memory of the player using Windows 

Explorer. If you have formatted with Windows Explorer, format again using the player.

1

i

i

i

[All data including songs will be deleted. Proceed?] appears.

2

[All data will be deleted. Proceed?] appears.
t  To cancel the operation, select [No].

3

When initialization finishes, [Memory formatted.] appears.
t  To cancel the operation, select [No].

Note: NWZ-A844 (MX: Latin American model) must do the following 

setting after the factory settings.

3. Wallpapers setting
It is necessary to install the Wallpapers. Confi rm details to each 
service headquarters.

NWZ-A844

AEP, UK

z

–

z

East European

z

z

–

E, Australian, Tourist

–

–

z

Latin American

z

–

–

Indian

z

z

z

Chinese

–

z

z

NWZ-A845

AEP, UK

z

–

z

East European

z

–

–

E, Australian, Tourist

z

–

–

Indian

z

–

–

Chinese

z

–

–

NWZ-A846

AEP, UK

z

–

–

E, Australian, Tourist

z

–

–

NWZ-A847

AEP, UK

z

–

–

You can reset the player to the default settings. Resetting the player will not 
delete data such as music, video, and photo data.

 If you select this function during playback, the player pauses playback before performing 

the reset process.

 The default setting of [Equalizer] for players sold in the Latin America region is different 

from the factory setting.











[Restored factory settings.] appears.
 To cancel the operation, select [No] on the confirmation screen.