Sony NWZ-S754 / NWZ-S755 Service Manual ▷ View online
NWZ-S754/S755
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.
(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
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.
[
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
NC
SHUTDOWN
EXITTEST
CLOCK
KEY
KEYNUM
FORMAT
DEST
SPSET
FWVER
NCAPCHK
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.
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.,
• 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.
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.
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.
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.
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
• 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.
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).
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-
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.
NWZ-S754/S755
7
• When MOTHER board is replaced alone
1. NC parameter setting
1. NC parameter setting
1-1. Outline
The unit has Digital Noise Cancelling function. Therefore, NC pa-
rameter data for each channel should be installed into NAND IC
when replacing the MOTHER board.
The unit has Digital Noise Cancelling function. Therefore, NC pa-
rameter data for each channel should be installed into NAND IC
when replacing the MOTHER board.
Note 1: The EMMC Board is supplied as EMMC Board + MOTHER
Board, because nobody knows the NC parameter data when the
EMMC board is defective.
EMMC board is defective.
Note 2: When the EMMC and MOTHER boards are replaced at the same
time, NC parameter setting need not be executed.
The label having the NC parameter data for each channel is at-
tached on CPU (EM1) IC of complete MOTHER board (for SER-
VICE).
tached on CPU (EM1) IC of complete MOTHER board (for SER-
VICE).
L= 13
R= 12
R= 12
– Complete MOTHER Board (for SERVICE) –
NC parameter
1-2. Preparation
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
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 NC parameter setting tool to
the service headquarters.
Procedure:
1. Unzip the NC parameter setting tool to get “NWZS75X_NC-
1. Unzip the NC parameter setting tool to get “NWZS75X_NC-
Setting” folder.
2. Copy the folder in step 1 under C Drive on PC.
Remark: 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 folder was saved under C
Drive” on this service manual.
Described with the example that “the folder was saved under C
Drive” on this service manual.
1-3. How to use the NC parameter setting tool
Note 1: Please use this tool after closing other application software.
Procedure:
1. Turn on power of the WALKMAN, and connect it to PC con-
1. Turn on power of the WALKMAN, and connect it to PC con-
fi rm the drive letter information of WALKMAN (Example: F
Drive).
Drive).
2. Start the command prompt application software, and change
the folder pass to your desired folder (Example: c:\NW-
ZS75X_NCSetting).
ZS75X_NCSetting).
3. Input “updating-mtp” and press the Enter key on PC. If the fol-
lowing message is displayed, input “y” and press the Enter key
on PC.
on PC.
4. If the following message is displayed, input the NC parameter
data for L-ch confi rmed in “1-1. Outline” and press the Enter
key on PC (Example: 13).
key on PC (Example: 13).
5. If the following message is displayed, input the NC parameter
data for R-ch confi rmed in “1-1. Outline” and press the Enter
key on PC (Example: 12).
key on PC (Example: 12).
6. If the following message is displayed, input the “yes” and and
press the Enter key on PC.
7. 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.
(MTP) is displayed on the liquid crystal display of the WALK-
MAN.
8. Input “EXIT” to close the command prompt application soft-
ware.
9. Disconnect the WALKMAN from PC.
Note 2: Then, re-connect the main unit to PC again to delete the following
two fi les inside NAND IC on the unit.
NCGainValue.dat
NW_WM_FW.UPG
After that, disconnect the main unit from PC.
NWZ-S754/S755
8
COLOR VARIATION
Model
Destination
Color
Black
White
Light
Pink
Blue
Gold
NWZ-S754
Canadian
z
–
–
–
–
AEP, UK
z
z
z
z
–
East European
z
–
–
z
z
E, Australian
z
z
z
z
–
Mexican
z
–
–
–
–
Chinese
z
z
–
–
z
NWZ-S755
AEP, UK
z
z
z
z
–
East European
z
–
–
–
–
E, Australian
z
–
–
–
–
10. Enter the test mode referring to “1. SETTING THE TEST
MODE” (page 17). Then, execute “4-10-1. Microphone gain
(L-ch) adjustment” and “4-10-2. Microphone gain (R-ch) ad-
justment” (page 27), and check if the data is updated properly.
(L-ch) adjustment” and “4-10-2. Microphone gain (R-ch) ad-
justment” (page 27), and check if the data is updated properly.
MATAPP (X.XX.XX)
POWER
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM
NC
NC
SHUTDOWN
EXITTEST
GAIN-L
GAIN-R
NCHPCHK
GAIN-R
NCHPCHK
NC GAIN-Lcn
13
MODE
-1
NC GAIN-Rcn
12
MODE
-1
NWZ-S754/S755
9
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
2-8. 5PIN HP ASSY (HPJ1)
(Page 13)
2-9. LCD ASSY (LCD1)
(Page 14)
2-12. BATTERY ASSY (BAT1)
(Page 16)
2-11. VOL KEY ASSY
(Page 16)
2-10. MOTHER BOARD
(Page 15)
SET
2-3. MAIN BLOCK
(Page 11)
2-4. MECHANICAL FRONT ASSY
(Page 11)
2-5. OPEN THE SHORT-LAND
(Page 12)
2-6. EMMC BOARD
(Page 12)
2-7. SUPPORT (M)
(Page 13)
2-2. PANEL (REAR) ASSY BLOCK
(Page 10)
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