Read Sony NW-A25 / NW-A25HN / NW-A26HN / NW-A27HN Service Manual online
NW-A25/A25HN/A26HN/A27HN
7
7. The following message is displayed. Then, the initial setting
operation starts.
Firmware update will start.
Copying the new firmware image [NW_WM_FW.UPG]...
Copying the new firmware image [NW_WM_FW.UPG]...
Copying NW_WM_FW.UPG...
1 file(s) copied.
Ready to start fupdate SCSI command !
execscsitest f: “0xfc 0 0x04 0x64 0x62 0x6d 0x6e 0 0 0 0 0”
execscsitest f: “0xfc 0 0x04 0x64 0x62 0x6d 0x6e 0 0 0 0 0”
Firmware update has started.
The firmware update tool will close.
(Using 2-byte characters, it may not be displayed correctly)
C:\NOCOLOR>_
8. The “WALKMAN” reboots automatically after the initial set-
ting is completed. After rebooting, the updating is success
when USB connection screen is displayed on the liquid crystal
display of the “WALKMAN”.
when USB connection screen is displayed on the liquid crystal
display of the “WALKMAN”.
After rebooting, check that USB connection screen is dis-
played on the liquid crystal display of the “WALKMAN”.
played on the liquid crystal display of the “WALKMAN”.
9. Input “exit” and press the Enter key on PC to close the com-
mand prompt application software.
C:\NOCOLOR>exit
2-3.
Destination and supplied headphones identifi ca-
tion
tion
Be sure to that the correct destination and the initial settings have
been perform.
been perform.
Used tool:
Determination_HP_NWA20_yyyymmdd.zip
Determination_HP_NWA20_yyyymmdd.zip
Procedure:
1. Connect “WALKMAN” to PC.
1. Connect “WALKMAN” to PC.
(The power supply of “WALKMAN” is automatically turned
on)
on)
2. Open the my computer window on PC, and confi rm how
“WALKMAN” is recognized on PC.
In the following example, “WALKMAN” is recognized by
MSC connection. The check of the drive letter (at this exam-
ple, it is “F”) is necessary.
MSC connection. The check of the drive letter (at this exam-
ple, it is “F”) is necessary.
3. From in the “Determination_HP_NWA20_yyyymmdd” folder,
copy the folder of “dest_hp” to root directory of C drive on PC.
4. Start the command prompt application software, and move to
the folder in which the destination and supplied headphones
identifi cation tool which wants to write in is stored.
identifi cation tool which wants to write in is stored.
(In this example, “cd c:\dest_hp” is inputted)
C:\Users\XXXXX>cd c:\dest_hp
C:\dest_hp>
5. Input the following command according to the information
checked at step 2, and press the Enter key on PC.
“dest_hp.bat
f:”
(“f:” is drive letter)
C:\dest_hp>dest_hp.bat f:
6. It will appear the following results.
Confi rm the Destination code and Headphones code.
Confi rm the Destination code and Headphones code.
C:\dest_hp>dest_hp.bat f:
C:\dest_hp>del dest_hp.dat
C:\dest_hp>execscsitest f: "0xFC 0 0x44 0x64 0x68 0x70 0 0 0 0 0 0" /i dest_hp.d
at 8
C:\dest_hp>dump dest_hp.dat
03 01 00 00 43 4e 52 48 ff ....CNRH.
C:\dest_hp>_
Destination code
Headphones code
Model
Destination
Destination
code
Headphones
code
NW-A25HN/
A27HN
A27HN
CEW
03 01 00 00
CNRH
NW-A25HN/
A26HN/A27HN
A26HN/A27HN
EE
02 00 00 00
CNRH
NW-A25
E (A25)
06 00 00 00
PHON
NW-A26HN
E (A26HN)
06 00 00 00
CNRH
NW-A25
CH
04 00 00 00
PHON
NW-A25HN/
A27HN
A27HN
CH
04 00 00 00
CNRH
Note 9: Refer to “DESTINATION ABBREVIATIONS” on page 4 for the
contents of “Destination”.
Headphones code (supplied headphones):
PHON: Not supplied
CNRH: MDR-NW750NE (CEW), MDR-NW750N (except CEW)
PHON: Not supplied
CNRH: MDR-NW750NE (CEW), MDR-NW750N (except CEW)
7. Input “exit” and press the Enter key on PC to close the com-
mand prompt application software.
C:\dest_hp>exit
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