NWZ-S754, NWZ-S755 - Sony Audio Service Manual (repair manual). Page 6

6.  The WALKMAN reboots automatically after the destination 

data is updated. After rebooting, check that connecting USB 
(MTP) is displayed on the liquid crystal display of the WALK-
MAN.

7.  Input “EXIT” to close the command prompt application soft-

ware.

8.  Disconnect the WALKMAN from PC.
9.  Turn the power on of the WALKMAN.
10. Press the [BACK] key for more 1.5 seconds, the home menu is 

displayed.

11.  Slide the [HOLD] key from OFF to ON.
12. Press the key as following order.
 [

B

] 

→ [

b

] 

→ [VOL +] → [VOL –] → [

B

] 

→ [

b

] 

→ 

 [OPTION] 

→ [BACK] → [OPTION] → [BACK]

13. The WALKMAN reboots and the color bar is displayed on the 

liquid crystal display.

14. Enter the test mode when any keys are pressed in the state of 

step 13, and slide the [HOLD] key from ON to OFF.

15. Press the [

v

]/[

V

] keys to select the “OTHER”, and press the 

[

B

] key to enter the minor item.

16. Press the [

v

]/[

V

] keys to select the “DEST”.

17. Press the [

u

] key, and check if the destination is updated 

properly.

MATAPP (X.XX.XX)

POWER

AUDIO

VIDEO

VIDEO OUT

OTHER

CLESTE

DAC

DIREC

FM
NC

SHUTDOWN

EXITTEST

CLOCK
KEY
KEYNUM
FORMAT
DEST
SPSET
FWVER
NCAPCHK

OTHER DEST

E [ SPS: OFF ]

18. Press the [BACK] key twice, return to major item selection 

screen.

19. Press the [

v

]/[

V

] keys to select the “EXITTEST”, and press 

the [

B

] key to select the “SURE ?”.

20. Press the [

u

] key, turn the power off and release the test 

mode.

Note: Execute “Reset all settings” absolutely at the end (Refer to right).

2. Format
Formatting memory [Format]
You can format the built-in fl ash memory of the player.

Note: 
•  If the memory is formatted, all data (songs, videos, photos, etc., 

including sample data installed at the factory, bundled software in-
staller, and the User 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.

•  Be sure not to initialize (format) the built-in fl ash memory of the 

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

1.  From the Home menu, select   [Settings] 

, [Common Set-

tings] 

, [Reset/Format] , [Format].

 

[All data, including music fi les and bundled software, will be 
deleted. Do you want to continue?] appears.

2.  Select [Yes].
 

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

 

• To cancel the operation, select [No].

3.  Select [Yes].
 

When initialization fi nishes, [Memory formatted.] appears.

 

• To cancel the operation, select [No].

3.  Reset all setting
Returning to the factory settings [Reset All Settings]
You can reset the player to the default settings. Resetting the player 
will not delete data such as music, video, and photos.

Note: 
•  If you select this function during playback, the player will pause 

playback before performing the reset process.

1.  From the Home menu, select   [Settings] 

, [Common Set-

tings] 

, [Reset/Format] , [Reset All Settings] , [Yes].

 

[Restored factory settings.] appears.

  • To cancel the operation, select [No] on the confi rmation 

screen.

4.  Wallpapers setting
How to install the wallpaper fi les into the WALKMAN.

Note: Confi rm the method of obtaining the 

wallpaper fi les

 to the service 

headquarters.

Procedure:
1.  Unzip the wallpaper fi les to get the following fi les (jpeg fi le).

Folder name:  WALLPAPERS
  

W001.jpg

  

W002.jpg

  

W003.jpg

  

W004.jpg

  

W005.jpg

  

W006.jpg

  

W007.jpg

  

W008.jpg

  

 W009.jpg

2.  Connect the WALKMAN to PC.
3.  Start up windows explorer. Then, open [WALKMAN] - [Stor-

ageMedia].

4.  Open “PICTURE” folder located under “StorageMedia” fold-

er.

5.  Copy the “WALLPAPERS” folder in step 2 under the “PIC-

TURE” folder.