NWZ-S774BT - Sony Audio Service Manual (repair manual). Page 6

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NWZ-S773BT/S774BT/S775BT
6
5. Confi rm that the following message has been displayed, and 
input “y”, and press the Enter key on PC.
Note 2: When the Enter key on PC is pressed, the “WALKMAN” is formatted.
MTP F/W Update will start.
The WALKMAN unit reboots automatically after updating.
Before starting this program, close other application such 
as WMP, Napster and Rhapsody etc.
Does this program run? (y/n)
C:\EE>rem #
6.  The following message is displayed. Then, destination setting 
operation starts.
 
The firmware image [NW_WM_FW_UPG] on the 
device is deleted...
The new firmware image [NW_WM_FW_UPG] is 
copied...
Firmware update is started.
Please wait for a while until updating is completed.
The firmware update tool is ended.
C:\EE>
7.  The “WALKMAN” reboots automatically after the destination 
data is updated. After rebooting, the updating is success when 
USB connection screen is displayed on the liquid crystal dis-
play of the “WALKMAN”.
 
After rebooting, check that USB connection screen is dis-
played on the liquid crystal display of the “WALKMAN”.
8.  Input “exit” and press the Enter key on PC to close the com-
mand prompt application software.
C:\EE>exit
9.  Disconnect the “WALKMAN” from PC.
10. Press any key of “WALKMAN” to turn the power on.
11. Press the [HOME] key for more 1.5 seconds, the home menu 
is displayed.
12. Slide the [HOLD] key from OFF to ON.
13. Press the key as following order.
 
[
v
 [
V
 [BACK]  [OPTION]  [VOL –]  [VOL +]  
 [
B
 [
b
 [
u
 [
u
]
14. The “WALKMAN” reboots and the color bar is displayed on 
the liquid crystal display.
15. Enter the test mode when any keys are pressed in the state of 
step 14, and slide the [HOLD] key from ON to OFF.
16. Press the [
v
]/[
V
] keys to select the “OTHER”, and press the 
[
B
] key to enter the minor item.
MATAPP (X.XX.XX)
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
CLOCK
KEY
KEYNUM
FORMAT
DEST
SPSET
FWVER
NCAPCHK
17. Press the [
v
]/[
V
] keys to select the “DEST”.
MATAPP (X.XX.XX)
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
CLOCK
KEY
KEYNUM
FORMAT
DEST
SPSET
FWVER
NCAPCHK
18. Press the [
u
] key, and check if the destination is updated 
properly.
OTHER DEST
CEV [ SPS: OFF ]
CEV
19. Press the [BACK] key twice, return to major item selection 
screen.
20. Press the [
v
]/[
V
] keys to select the “EXITTEST”, and press 
the [
u
] key to select the “SURE ?”.
MATAPP (X.XX.XX)
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
SURE?
21. Press the [
u
] key, turn the power off and release the test 
mode.
Note 3: Execute “Reset all settings” absolutely at the end (refer to “4. Re-
set all setting” on page 8).
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