DOWNLOAD Sony NWZ-S754 / NWZ-S755 Service Manual ↓ Size: 1.15 MB | Pages: 34 in PDF or view online for FREE

20 to 20,000 Hz (when playing data file, single signal measurement)

Digital Noise Canceling function
Environment setting: Bus/Train / Airplane / Office
Noise Canceling Modes: Normal Mode / Quiet Mode / External Input Mode

Approx. 17 dB (*2)

(*1) Under Sony measurement standard.
(*2) Equivalent to approx. 98.0% reduction of energy of sound compared with not wearing headphones. ([Select NC

Environment]: [Airplane])

FM Frequency range
87.5 to 108.0 MHz
(You cannot use the FM radio function while the player is installed into the speaker system.)

128 kHz

Headphone cord antenna

Headphone: Stereo mini-jack
WM-PORT (multiple connecting terminal): 22 pins
Hi-Speed USB (USB 2.0 compliant)

5 °C to 35 °C (41 ºF to 95 ºF)

  Built-in rechargeable lithium-ion battery

  USB power (from a computer via a USB connector of the player)

USB-based charging
Approx. 3 hours (full charge), Approx. 1.5 hours (approx. 80 %)

Actual battery life may vary depending on settings. The estimated battery usage hours shown below are based on
typical usage conditions with “Basic setting of battery life measurement” as shown in the table below.

  Even if the player is turned off for an extended period, a small amount of battery power is still consumed.

  Battery life may vary depending on volume setting, conditions of use, and ambient temperature.

Playback at MP3 128 kbps

Approx. 40 hours

Approx. 50 hours

Playback at WMA 128 kbps

Approx. 40 hours

Approx. 50 hours

Playback at AAC-LC 128 kbps

Approx. 39 hours

Approx. 48 hours

Playback at Linear PCM 1,411 kbps Approx. 45 hours

Approx. 56 hours

Playback at MPEG-4 384 kbps

Approx. 9 hours

Approx. 10 hours

Playback at AVC Baseline 384 kbps Approx. 9 hours

Approx. 10 hours

Playback at WMV 384 kbps

Approx. 9 hours

Approx. 10 hours

Receiving FM broadcasting

Approx. 18 hours

Approx. 20 hours

[Common
Settings]

[Screensaver]:[On/Off] (*1) 

[On]

[Screensaver]:[Type] (*1) 

[Blank]

[Screensaver]:[Delay] (*2) 

[30 Sec]

[Brightness] (*3) 

[3]

[Battery Care] (*4) 

[Off]

[Music Settings]

[Equalizer] (*5) 

[None] (*6)

[VPT(Surround)] (*5) 

[None]

[DSEE(Sound Enhance)] (*5)

[Off]

[Clear Stereo] (*5) 

[Off]

[Dynamic Normalizer] (*5) 

[Off]

[DPC (Speed Control)] (*7) 

[Off]

[Display Lyrics] (*8) 

[On]

[Karaoke/Language Study] (*9)

[Off]

[TV Output(Music)] (*10) 

[Off]

[Video Settings]

[TV Output(Video)] (*11) 

[Off]

(*1) The [Off] setting shortens the battery life by about 80% compared with the [On] - [Blank] setting.
(*2) The longer the waiting time, the shorter the battery life for continuous music playback.
(*3) The [5] setting shortens the battery life for continuous video playback by about 45% compared with the [3] setting.
(*4) The [On] setting shortens the battery life by about 10% compared with the [Off] setting.
(*5) Setting [Equalizer] to other than [None], [VPT(Surround)] to other than [None], [DSEE(Sound Enhance)] to [On],

[Clear Stereo] to [On] and [Dynamic Normalizer] to [On] shortens the battery life for continuous music playback by
about 50% compared with setting them to [None] or [Off].

(*6) The default setting of players sold in the Latin America region is [Custom 1]. The [Custom 1] setting shortens the

battery life for continuous music playback by about 20% compared with the [None] setting.

(*7) The [x2.0] setting shortens the battery life for continuous music playback by about 70% compared with the [Off]

setting.

(*8) The [On (No Screen Off)] setting shortens the battery life for continuous music playback by about 85% compared

with the [On] setting.

(*9) The [Maximum Karaoke Mode] setting shortens the battery life for continuous music playback by about 85%

compared with the [Off] setting.

(*10) The [On] setting while displaying the player’s screen on a television shortens the battery life about 90% compared

with the [Off] setting.

(*11) The [On] setting while displaying the player’s screen on a television shortens the battery life about 55% compared

with the [Off] setting.

2-inch, TFT color display with white LED-backlight, QVGA (240 × 320 pixels), 262,144 colors

42.5 × 94.0 × 7.2 mm (1 11/16 × 3 3/4 × 5/16 inches)

42.7 × 94.2 × 7.5 mm (1 11/16 × 3 3/4 × 5/16 inches)

Approx. 55 g (2 oz)

Design and specifications are subject to change without notice.

  Headphones (1)

  Earbuds (Size S, L) (1)

  USB cable (1)

  Attachment (1)

Use when connecting the player to the cradle (not supplied), etc.

  Audio input cable (1)

  Plug adaptor for in-flight use (single/dual) (1)

  Quick Start Guide

  Software

The software is stored in the built-in flash memory of the player, and includes the following items. For details
on how to install, refer to “Quick Start Guide.”

  Content Transfer

  WALKMAN Guide

  User Guide, etc.

NWZ-S754: 8 GB (Approx. 6.99 GB = 7,513,210,880 bytes)
NWZ-S755: 16 GB (Approx. 14.1 GB = 15,224,635,392 bytes)

(*1) Available storage capacity of the player may vary.
A portion of the memory is used for data management functions.

Frequency response

FLEXIBLE  CIRCUIT  BOARD  REPAIRING
• 

Keep the temperature of soldering iron around 270 °C during 
repairing.

• 

Do not touch the soldering iron on the same conductor of the 
circuit board (within 3 times).

• 

Be careful not to apply force on the conductor when soldering 
or unsoldering.

  .............................................   4

2-1.  Disassembly  Flow ...........................................................  

9

2-2.  Panel (Rear) Assy Block .................................................   10
2-3.  Main Block .....................................................................   11
2-4.  Mechanical Front Assy ...................................................   11
2-5.  Open  The  Short-land .......................................................   12
2-6.  EMMC Board .................................................................   12
2-7. 

Support  (M) .....................................................................   13

2-8.  5Pin HP Assy (HPJ1) ......................................................   13
2-9.  LCD Assy  (LCD1) ..........................................................   14
2-10.  MOTHER  Board .............................................................   15
2-11.  VOL  Key  Assy ................................................................   16
2-12.  Battery  Assy  (BAT1) .......................................................   16

TEST  MODE 

 ............................................................   17

4-1.  Rear Panel Section ..........................................................   28
4-2.  Front Panel Section .........................................................   29
4-3.  LCD, Battery Section ......................................................   30
4-4.  Chassis Section ...............................................................   31

   .......................................................   32

0  OR  DOTTED  LINE  

0  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN  

0  SUR  

CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.

ABOUT  THE  REPAIRING  OF  BOARD
When electric parts installed by this machine are defective, replace 
the entire board.
Individual electrical parts that the mount is done cannot be ex-
changed.
Moreover, the EMMC board cannot exchange with single. When 
exchanging the EMMC board, exchange it at the same time as the 
MOTHER board. The MOTHER board can be exchanged alone.

ABOUT  THE  HANDLING  OF  THE  BATTERY  ASSY 
(BAT1)
When the battery assy (BAT1) is removed, insulate the end of wire 
by a tape etc. to prevent short-circuited of the wire part of battery 
assy (BAT1).

System requirements
• Computer
 

IBM PC/AT compatible computer preinstalled with the follow-
ing Windows operating systems (*1):

 

- Windows XP Home Edition (*2) (Service Pack 3 or later)

 

- Windows XP Professional (*2) (Service Pack 3 or later)

 

- Windows Vista Home Basic (Service Pack 1 or later)

 

- Windows Vista Home Premium (Service Pack 1 or later)

 

- Windows Vista Business (Service Pack 1 or later)

 

- Windows Vista Ultimate (Service Pack 1 or later)

 

- Windows 7 Home Basic

 

- Windows 7 Home Premium

 

- Windows 7 Professional

 

- Windows 7 Ultimate

Not supported by OSs other than above.
[Compatibility mode] for Windows XP (included with Windows 
Vista and Windows 7) is not supported.
(*1) Excluding OS Versions not supported by Microsoft.
(*2) Excluding 64-bit OS versions.
•  CPU: Pentium III 450 MHz or higher for Windows XP, Pen-

tium III 800 MHz or higher for Windows Vista, Pentium III 1 
GHz or higher for Windows 7

•  RAM: 256 MB or more for Windows XP, 512 MB or more for 

Windows Vista, 1 GB or more for Windows 7 32-bit versions, 
2 GB or more for Windows 7 64-bit versions

•  Hard Disk Drive: 600 MB or more of available space
• Display:
•  Screen Resolution: 800 × 600 pixels (or higher) (recommend-

ed 1,024 × 768 or higher)

•  Colors: 8 bit or higher (16 bit recommended)
•  CD-ROM drive (supporting Digital Music CD playback capa-

bilities using WDM)

•  Sound card
•  USB connector (Hi-Speed USB is recommended)
•  Windows Media Player 11 for Windows XP and Windows 

Vista, Windows Media Player 12 for Windows 7

•  Internet Explorer 7 or later
•  Broadband Internet connection is required to use Electronic 

Music Distribution (EMD) or to visit the web site.

We do not guarantee operation for all computers even if they meet 
the above System Requirements.

Not supported by the following environments:
 

- Personally constructed computers or operating systems

 

- An environment that is an upgrade of the original manufac-
turer-installed operating system

 

- Multi-boot environment

 

- Multi-monitor environment

 

- Macintosh

Design and specifi cations are subject to change without notice.

NOTE  THE  BOARD  REPLACING
When the EMMC board or MOTHER board are replaced, process 
it according to the following order.

Note 1: The EMMC board cannot exchange with single.

When EMMC and MOTHER boards are replaced at the same time.

1. 

Destination setting (page 5)

2. 

Format (page 6)

3. 

Reset all setting (page 6)

4. 

Wallpapers setting (page 6)

When MOTHER board is replaced alone.

1. 

NC parameter setting (page 7)

Note 2: When EMMC and MOTHER boards are replaced at the same 

time, NC parameter setting need not be executed.

1-1. Outline
The destination code corresponding to each region must be in-
stalled into the EMMC board with the destination setting tool.

• EMMC board (+ MOTHER board)

Model

Capacity

Part No. of 

complete EMMC 

+MOTHER 

boards

Pre-installed 

destination 

code

NWZ-S754

8GB

9-885-150-84

E

NWZ-S755

16GB

9-885-150-85

E

• Destination code

Model

Area

Desti-

nation 

code

Remark (Default setting 

for each item)

NWZ-S754/
S755

Canada

CA

EQ: None

Europe

CEW

EQ: None

CEV

EQ: None

Asia

E

EQ: None

China

CN

EQ: None

Mexico

MX3

EQ: Custom 1

Note 1: Please use this Tool in Windows XP or later.
Note 2: Please install Windows Media Player 11 or later to make the unit 

recognize as MTP.

Note 3: Confi rm the method of obtaining the destination setting tool to the 

service headquarters.

Procedure:
1.  Unzip the destination setting tool to get “NWZS75X_DEST_

Setting” folder.

2.  Copy the folder in step 1 under C Drive on PC.

Note 4:  Above folder in step 2 can be saved any drive as long as the folder 

path is with English (one byte character).

 

    Described with the example that “the folders were saved under C 

Drive” on this service manual.

One point: The destination setting tool for each series is stored as below.

Folder name

Folder name

Updater fi les

NWZS75X_
DEST_Setting

WMT_CA

updating-mtp.bat etc.

WMT_CEV

updating-mtp.bat etc.

WMT_CEW

updating-mtp.bat etc.

WMT_CN

updating-mtp.bat etc.

WMT_E

updating-mtp.bat etc.

WMT_MX3

updating-mtp.bat etc.

Note 1: Please use this tool after closing other application software.

Will be described with below conditions as an example.
Model: NWZ-S754/S755
Destination: E

Procedure:
1.  Turn on power of the WALKMAN, and connect it to PC.
2.  Start the command prompt application software, and change 

the folder pass to your desired folder (Example: c:\NWZS75X_
DEST_Setting\WMT_E).

3.  Input “updating-mtp” and press the Enter key on PC.

4.  If the following message is displayed, input “y” and press the 

Enter key on PC.

Note 2: When the Enter key on PC is pressed, the WALKMAN is format-

ted.

5.  The following message is displayed. Then, destination setting 

operation starts.

 

S75X_DEST_Setting\WMT_E>exit