Sony NWZ-A844 / NWZ-A845 / NWZ-A846 / NWZ-A847 Service Manual ▷ View online
SERVICE MANUAL
Sony Corporation
New Mobile Division
Published by Sony Techno Create Corporation
NWZ-A844/A845/A846/A847
SPECIFICATIONS
DIGITAL MEDIA PLAYER
9-889-731-02
2010G05-1
©
2010.07
AEP Model
UK Model
NWZ-A844/A845/A846/A847
E Model
Australian Model
Tourist Model
NWZ-A844/A845/A846
Chinese Model
East European Model
Indian Model
NWZ-A844/A845
Mexican Model
NWZ-A844
Ver. 1.1 2010.07
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
Photo: NWZ-A845
– Continued on next page –
Supported file format
Music (including podcasts
*1
)
Audio Formats
(Codec)
(Codec)
MP3
Media File format: MP3 (MPEG-1 Layer3) file format
File extension: .mp3
Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR))
Sampling frequency
File extension: .mp3
Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR))
Sampling frequency
*2
: 32, 44.1, 48 kHz
WMA
Media File format: ASF file format
File extension: .wma
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency
File extension: .wma
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency
*2
: 44.1 kHz
* Compatible with WM-DRM 10
AAC-LC
*3
Media File format: MP4 file format
File extension: .mp4, .m4a, .3gp
Bit rate: 16 to 320 kbps (Supports variable bit rate (VBR))
File extension: .mp4, .m4a, .3gp
Bit rate: 16 to 320 kbps (Supports variable bit rate (VBR))
*4
Sampling frequency
*2
: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
Linear PCM
Media File format: Wave-Riff file format
File extension: .wav
Bit rate: 1,411 kbps
Sampling frequency
File extension: .wav
Bit rate: 1,411 kbps
Sampling frequency
*2
: 44.1 kHz
Video (including podcasts
*1
)
Video Formats
(Codec)
(Codec)
Frame rate: Max. 30 fps
Resolution: Max. 720 × 480
Resolution: Max. 720 × 480
*5
AVC
(H.264/AVC)
(H.264/AVC)
Media File format: MP4 file format, “Memory Stick” video format
File extension: .mp4, .m4v
Profile: Baseline Profile
Level: 1.2, 1.3, 2, 2.1, 2.2, 3
Bit rate: Max. 10 Mbps
File extension: .mp4, .m4v
Profile: Baseline Profile
Level: 1.2, 1.3, 2, 2.1, 2.2, 3
Bit rate: Max. 10 Mbps
MPEG-4
Media File format: MP4 file format, “Memory Stick” video format
File extension: .mp4, .m4v
Profile: Simple Profile
Bit rate: Max. 6 Mbps
File extension: .mp4, .m4v
Profile: Simple Profile
Bit rate: Max. 6 Mbps
Windows
Media Video
9
Media Video
9
*6
Media File format: ASF file format
File extension: .wmv
Profile: VC1 simple profile, main profile
Bit rate: Max. 6 Mbps
File extension: .wmv
Profile: VC1 simple profile, main profile
Bit rate: Max. 6 Mbps
Audio Formats
(Codec)
(Codec)
AAC-LC
(for AVC,
MPEG-4)
(for AVC,
MPEG-4)
Channel number: Max. 2 channels
Sampling frequency
Sampling frequency
*2
: 24, 32, 44.1, 48 kHz
Bit rate: Max. 288 kbps / channel
WMA
(for Windows
Media Video
9)
(for Windows
Media Video
9)
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency
Sampling frequency
*2
: 44.1 kHz
* Compatible with WM-DRM 10
File size
Max. 2 GB
The number of files
Max. 2,000
Photo
*7
Photo Format
(Codec)
(Codec)
JPEG
Media File format: Compatible with DCF 2.0/Exif 2.21 file format
File extension: .jpg
Profile: Baseline Profile
Number of pixels: Max. 4,096 × 4,096 pixels (16,000,000 pixels)
File extension: .jpg
Profile: Baseline Profile
Number of pixels: Max. 4,096 × 4,096 pixels (16,000,000 pixels)
The number of files
Max. 20,000
*1
The maximum recordable number of podcasts is 10,000.
*2
Sampling frequency may not correspond to all encoders.
*3
Copyright protected AAC-LC files cannot be played back.
*4
Non-standard bit rates or non-guaranteed bit rates are included depending on the sampling frequency.
*5
These numbers indicate the maximum resolution of playable video, and do not indicate the player’s
display resolution. The display resolution is 400 × 240.
*6
Some WMV files can be played back only by transferring using Windows Media Player 11.
*7
Some photo files cannot be played back, depending on their file formats.
Maximum recordable number of songs and time (Approx.)
The approximate times are based on the case in which you transfer or record only 4
minute songs (not including videos and photos) in the MP3 format. Other playable audio
file format song numbers and times may differ from MP3 format.
minute songs (not including videos and photos) in the MP3 format. Other playable audio
file format song numbers and times may differ from MP3 format.
NWZ-A844
NWZ-A845
Bit rate
Number
Time
Number
Time
48 kbps
4,950
330 hr. 00 min.
10,000
666 hr. 40 min.
64 kbps
3,650
243 hr. 20 min.
7,450
496 hr. 40 min.
128 kbps
1,800
120 hr. 00 min.
3,700
246 hr. 40 min.
256 kbps
925
61 hr. 40 min.
1,850
123 hr. 20 min.
320 kbps
740
49 hr. 20 min.
1,500
100 hr. 00 min.
NWZ-A846
NWZ-A847
Bit rate
Number
Time
Number
Time
48 kbps
20,000
1,333 hr. 20 min.
41,000
2,733 hr. 20 min.
64 kbps
15,000
1,000 hr. 00 min.
30,500
2,033 hr. 20 min.
128 kbps
7,500
500 hr. 00 min.
15,000
1,000 hr. 00 min.
256 kbps
3,750
250 hr. 00 min.
7,650
510 hr. 00 min.
320 kbps
3,000
200 hr. 00 min.
6,150
410 hr. 00 min.
Maximum recordable time of videos (Approx.)
The approximate recordable times are estimated in the case where only videos are
transferred. The time may differ, depending on the conditions under which the player is
used.
transferred. The time may differ, depending on the conditions under which the player is
used.
NWZ-A844
NWZ-A845
NWZ-A846
NWZ-A847
Bit rate
Time
Time
Time
Time
Video Format: 384 kbps
29 hr. 20 min.
59 hr. 40 min.
120 hr. 20 min.
244 hr. 00 min.
Audio Format: 128 kbps
Video Format: 768 kbps
16 hr. 40 min.
34 hr. 00 min.
68 hr. 40 min.
139 hr. 20 min.
Audio Format: 128 kbps
NWZ-A844/A845/A846/A847
2
ATRAC is trademark of Sony Corporation.
t
t “WALKMAN” and “WALKMAN” logo are registered trademarks of Sony
t “WALKMAN” and “WALKMAN” logo are registered trademarks of Sony
Corporation.
t
is trademark of Sony Corporation.
t Microsoft, Windows, Windows Vista and Windows Media are trademarks or
registered trademarks of Microsoft Corporation in the United States and/or other
countries.
countries.
t Adobe, Adobe Reader and Adobe Flash Player are trademarks or registered
trademarks of Adobe Systems Incorporated in the United States and/or other
countries.
countries.
t MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer
IIS and Thomson.
t IBM and PC/AT are registered trademarks of International Business Machines
Corporation.
t Apple, Macintosh and iTunes are trademarks of Apple Inc., registered in the U.S.
and other countries.
t Pentium is a trademark or a registered trademark of Intel Corporation.
t This software is based in part on the work of the Independent JPEG Group.
t THIS PRODUCT IS LICENSED UNDER THE MPEG-4 VISUAL PATENT
t This software is based in part on the work of the Independent JPEG Group.
t THIS PRODUCT IS LICENSED UNDER THE MPEG-4 VISUAL PATENT
PORTFOLIO LICENSE FOR THE PERSONAL AND NON-COMMERCIAL
USE OF A CONSUMER FOR
(i) ENCODING VIDEO IN COMPLIANCE WITH THE MPEG-4 VISUAL
USE OF A CONSUMER FOR
(i) ENCODING VIDEO IN COMPLIANCE WITH THE MPEG-4 VISUAL
STANDARD (“MPEG-4 VIDEO”) AND/OR
(ii) DECODING MPEG-4 VIDEO THAT WAS ENCODED BY A CONSUMER
ENGAGED IN A PERSONAL AND NON-COMMERCIAL ACTIVITY
AND/OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED BY
MPEG LA TO PROVIDE MPEG-4 VIDEO.
AND/OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED BY
MPEG LA TO PROVIDE MPEG-4 VIDEO.
NO LICENSE IS GRANTED OR SHALL BE IMPLIED FOR ANY OTHER USE.
ADDITIONAL INFORMATION INCLUDING THAT RELATING TO
PROMOTIONAL, INTERNAL AND COMMERCIAL USES AND LICENSING
MAY BE OBTAINED FROM MPEG LA, LLC. SEE HTTP://WWW.MPEGLA.
ADDITIONAL INFORMATION INCLUDING THAT RELATING TO
PROMOTIONAL, INTERNAL AND COMMERCIAL USES AND LICENSING
MAY BE OBTAINED FROM MPEG LA, LLC. SEE HTTP://WWW.MPEGLA.
t THIS PRODUCT IS LICENSED UNDER THE AVC PATENT PORTFOLIO
LICENSE FOR THE PERSONAL AND NON-COMMERCIAL USE OF A
CONSUMER TO
(i) ENCODE VIDEO IN COMPLIANCE WITH THE AVC STANDARD
CONSUMER TO
(i) ENCODE VIDEO IN COMPLIANCE WITH THE AVC STANDARD
(“AVC VIDEO”) AND/OR
(ii) DECODE AVC VIDEO THAT WAS ENCODED BY A CONSUMER
ENGAGED IN A PERSONAL AND
NON-COMMERCIAL ACTIVITY AND/OR WAS OBTAINED FROM A
VIDEO PROVIDER LICENSED TO PROVIDE AVC VIDEO. NO LICENSE IS
GRANTED OR SHALL BE IMPLIED FOR ANY OTHER USE.
ADDITIONAL INFORMATION MAY BE OBTAINED FROM MPEG LA, L.L.C.
SEE HTTP://MPEGLA.COM
VIDEO PROVIDER LICENSED TO PROVIDE AVC VIDEO. NO LICENSE IS
GRANTED OR SHALL BE IMPLIED FOR ANY OTHER USE.
ADDITIONAL INFORMATION MAY BE OBTAINED FROM MPEG LA, L.L.C.
SEE HTTP://MPEGLA.COM
t THIS PRODUCT IS LICENSED UNDER THE VC-1 PATENT PORTFOLIO
LICENSE FOR THE PERSONAL AND NON-COMMERCIAL USE OF A
CONSUMER TO
(i) ENCODE VIDEO IN COMPLIANCE WITH THE VC-1 STANDARD
CONSUMER TO
(i) ENCODE VIDEO IN COMPLIANCE WITH THE VC-1 STANDARD
(“VC-1 VIDEO”) AND/OR
(ii) DECODE VC-1 VIDEO THAT WAS ENCODED BY A CONSUMER
ENGAGED IN A PERSONAL AND NON-COMMERCIAL ACTIVITY
AND/OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED
TO PROVIDE VC-1 VIDEO.
AND/OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED
TO PROVIDE VC-1 VIDEO.
NO LICENSE IS GRANTED OR SHALL BE IMPLIED FOR ANY OTHER USE.
ADDITIONAL INFORMATION MAY BE OBTAINED FROM MPEG LA, L.L.C.
SEE HTTP://WWW.MPEGLA.COM
ADDITIONAL INFORMATION MAY BE OBTAINED FROM MPEG LA, L.L.C.
SEE HTTP://WWW.MPEGLA.COM
t All other trademarks and registered trademarks are trademarks or registered
trademarks of their respective holders. In this manual,
TM
and ® marks are not
specified.
This product is protected by certain intellectual property rights of Microsoft Corporation.
Use or distribution of such technology outside of this product is prohibited without a license
from Microsoft or an authorized Microsoft subsidiary.
Use or distribution of such technology outside of this product is prohibited without a license
from Microsoft or an authorized Microsoft subsidiary.
Content providers are using the digital rights management technology for Windows Media
contained in this device (“WM-DRM”) to protect the integrity of their content (“Secure
Content”) so that their intellectual property, including copyright, in such content is not
misappropriated.
This device uses WM-DRM software to play Secure Content (“WM-DRM Software”). If the
security of the WM-DRM Software in this device has been compromised, owners of Secure
Content (“Secure Content Owners”) may request that Microsoft revoke the WM-DRM
Software’s right to acquire new licenses to copy, display and/or play Secure Content.
Revocation does not alter the WM-DRM Software’s ability to play unprotected content. A list
of revoked WM-DRM Software is sent to your device whenever you download a license for
Secure Content from the Internet or from a PC. Microsoft may, in conjunction with such
license, also download revocation lists onto your device on behalf of Secure Content Owners.
contained in this device (“WM-DRM”) to protect the integrity of their content (“Secure
Content”) so that their intellectual property, including copyright, in such content is not
misappropriated.
This device uses WM-DRM software to play Secure Content (“WM-DRM Software”). If the
security of the WM-DRM Software in this device has been compromised, owners of Secure
Content (“Secure Content Owners”) may request that Microsoft revoke the WM-DRM
Software’s right to acquire new licenses to copy, display and/or play Secure Content.
Revocation does not alter the WM-DRM Software’s ability to play unprotected content. A list
of revoked WM-DRM Software is sent to your device whenever you download a license for
Secure Content from the Internet or from a PC. Microsoft may, in conjunction with such
license, also download revocation lists onto your device on behalf of Secure Content Owners.
Program ©2009 Sony Corporation
Documentation ©2009 Sony Corporation
Documentation ©2009 Sony Corporation
Maximum recordable number of photos that can be transferred (Approx.)
Max. 20,000
Recordable number of photos may be less depending on file sizes.
Recordable number of photos may be less depending on file sizes.
Capacity (User available capacity)
*1
NWZ-A844: 8 GB (Approx. 6.99 GB = 7,513,243,648 bytes)
NWZ-A845: 16 GB (Approx. 14.1 GB = 15,224,668,160 bytes)
NWZ-A846: 32 GB (Approx. 28.5 GB = 30,699,978,752 bytes)
NWZ-A847: 64 GB (Approx. 58.0 GB = 62,290,034,688 bytes)
NWZ-A845: 16 GB (Approx. 14.1 GB = 15,224,668,160 bytes)
NWZ-A846: 32 GB (Approx. 28.5 GB = 30,699,978,752 bytes)
NWZ-A847: 64 GB (Approx. 58.0 GB = 62,290,034,688 bytes)
*1
Available storage capacity of the player may vary.
A portion of the memory is used for data management functions.
Digital amplifier
“S-Master” digital amplifier
Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)
20 to 20,000 Hz (when playing data file, single signal measurement)
Noise Canceling function
Digital Noise Canceling function
Environment setting: Bus/Train / Airplane / Office
Noise Canceling Modes: Normal Mode / Quiet Mode / External Input Mode
Environment setting: Bus/Train / Airplane / Office
Noise Canceling Modes: Normal Mode / Quiet Mode / External Input Mode
Total Noise Suppression Ratio
*1
Approx. 17 dB
*2
*1
Under the Sony measurement standard.
*2
Equivalent to approx. 98.0% reduction of energy of sound compared with not wearing
headphones. ([Select NC Environment]: [Airplane])
FM radio
FM Frequency range
87.5 to 108.0 MHz
87.5 to 108.0 MHz
IF (FM)
128 kHz
Antenna
Headphone cord antenna
Interface
Headphone: Stereo mini-jack
WM-PORT (multiple connecting terminal): 22 pins
Hi-Speed USB (USB 2.0 compliant)
WM-PORT (multiple connecting terminal): 22 pins
Hi-Speed USB (USB 2.0 compliant)
Operating temperature
5 °C to 35 °C (41 ºF to 95 ºF)
Power source
Built-in rechargeable lithium-ion battery
USB power (from a computer via the supplied USB cable)
USB power (from a computer via the supplied USB cable)
Charging time
USB-based charging
Approx. 3 hours (full charge), Approx. 1.5 hours (approx. 80 %)
Approx. 3 hours (full charge), Approx. 1.5 hours (approx. 80 %)
Battery life (continuous playback)
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 (Longer battery life setting)” as shown in the table below. Note that 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.
shown below are based on typical usage conditions with “Basic setting of battery life
measurement (Longer battery life setting)” as shown in the table below. Note that 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.
Music
Playback at MP3 128 kbps
Approx. 29 hours
Playback at WMA 128 kbps
Approx. 29 hours
Playback at AAC-LC 128 kbps
Approx. 29 hours
Playback at Linear PCM 1,411 kbps
Approx. 31 hours
Video
Playback at MPEG-4 384 kbps
Approx. 9 hours
Playback at AVC Baseline 384 kbps
Approx. 8 hours
Playback at WMV 384 kbps
Approx. 8 hours
At receiving FM broadcasting
Approx. 14 hours
Setting
Default setting
Basic setting of battery
life measurement
(Longer battery life
setting)
life measurement
(Longer battery life
setting)
Noise Canceling
[Noise Canceling: On/Off]
*1
[On]
[Off]
Common settings
[Screen Off Timer]
[After 30 Sec]
[After 30 Sec]
[Brightness]
*2
[3]
[3]
[Battery Care]
*3
[Off]
[Off]
Music settings
[Equalizer]
*4
[None]
*8
[None]
[VPT(Surround)]
*4
[None]
[None]
[DSEE(Sound Enhance)]
*4
[Off]
[Off]
[Clear Stereo]
*4
[Off]
[Off]
[Dynamic Normalizer]
*4
[Off]
[Off]
[DPC (Speed Control)]
*5
[Off]
[Off]
[TV Output(Music)]
*6
[Off]
[Off]
Video Settings
[TV Output(Video)]
*7
[Off]
[Off]
*1
The [On] setting shortens the battery life about 25% compared with the [Off] setting.
*2
The [5] setting shortens the battery life about 30% compared with the [3] setting.
*3
The [On] setting shortens the battery life about 10% compared with the [Off] setting.
*4
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
about 40 % compared with setting them to [None] or [Off].
about 40 % compared with setting them to [None] or [Off].
*5
The [x2.0] setting shortens the battery life about 65% compared with the [Off] setting.
*6
The [On] setting with displaying the player’s screen on a television shortens the battery life about 40%
compared with the [Off] setting.
*7
The [On] setting with displaying the player’s screen on a television shortens the battery life about 50%
compared with the [Off] setting.
*8
The default setting for players sold in the Latin America region is [Custom 1]. The [Custom 1] setting
shortens battery life of music playback by about 20% compared with the [None] setting.
Display
2.8-inch, OLED (Organic Light Emitting Diode) color display,
WQVGA (400 × 240 pixels), 262,144 colors
WQVGA (400 × 240 pixels), 262,144 colors
Dimensions (w/h/d, projecting parts not included)
46.8 × 104.9 × 7.2 mm (1 7/8 × 4 1/4 × 5/16 inches)
Dimensions (w/h/d)
47.4 × 104.9 × 7.7 mm (1 7/8 × 4 1/4 × 5/16 inches)
Mass
Approx. 62 g (2.2 oz)
Supplied items
Headphones (1)
Earbuds (Size S, L) (1)
USB cable (1)
Attachment (1)
Earbuds (Size S, L) (1)
USB cable (1)
Attachment (1)
Use when connecting the player to the optional cradle, etc.
Audio input cable (1)
Plug adaptor for in-flight use (single/dual) (1)
Audio input cable (1)
Plug adaptor for in-flight use (single/dual) (1)
Quick Start Guide (1)
Software (1)
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.”
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
Operation Guide, etc.
Design and specifications are subject to change without notice.
−
−
−
Ver. 1.1
NWZ-A844/A845/A846/A847
3
1.
SERVICING NOTES
............................................. 3
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 5
2-2. Rear Assy ........................................................................ 5
2-3. Support (PWB) ............................................................... 6
2-4. SVX Battery Assy (BAT1) .............................................. 6
2-5. MAIN Board ................................................................... 7
2-6. SVX HP Jack Assy (HPJ1) ............................................. 8
2-7. Main Chassis Block, SVX VOL Key FPC ..................... 8
2-8. Sheet Key (7Key), Front Panel Assy .............................. 9
2-2. Rear Assy ........................................................................ 5
2-3. Support (PWB) ............................................................... 6
2-4. SVX Battery Assy (BAT1) .............................................. 6
2-5. MAIN Board ................................................................... 7
2-6. SVX HP Jack Assy (HPJ1) ............................................. 8
2-7. Main Chassis Block, SVX VOL Key FPC ..................... 8
2-8. Sheet Key (7Key), Front Panel Assy .............................. 9
3.
TEST MODE
............................................................ 10
4.
EXPLODED VIEWS
4-1. Rear Panel Section .......................................................... 20
4-2. Main
4-2. Main
Section
................................................................... 21
4-3. Front Panel Section ......................................................... 22
5. ACCESSORIES
....................................................... 23
TABLE OF CONTENTS
FLEXIBLE CIRCUIT BOARD REPAIRING
•
•
Keep the temperature of soldering iron around 270 °C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
SECTION 1
SERVICING NOTES
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.
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.
ABOUT THE HANDLING OF THE SVX BATTERY ASSY
(BAT1)
When the SVX battery assy (BAT1) is removed, insulate the end
of wire by a tape etc. to prevent short-circuited of the wire part of
SVX battery assy (BAT1).
(BAT1)
When the SVX battery assy (BAT1) is removed, insulate the end
of wire by a tape etc. to prevent short-circuited of the wire part of
SVX battery assy (BAT1).
SVX battery assy (BAT1)
wire
wire
Wrap by the tape etc. and
insulate the end of wire.
insulate the end of wire.
System Requirements
t Computer
IBM PC/AT or compatible computer preinstalled with the following Windows operating
systems
systems
*1
:
Windows XP Home Edition (Service Pack 2 or later) / Windows XP Professional
(Service Pack 2 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
Supported 64 bit version OS for Windows Vista and Windows 7.
Not supported by OSs other than above.
(Service Pack 2 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
Supported 64 bit version OS for Windows Vista and Windows 7.
Not supported by OSs other than above.
*1
Excluding OS Versions not supported by Microsoft.
t CPU: Pentium III 450 MHz or higher for Windows XP, Pentium III 800 MHz or higher
for Windows Vista, Pentium III 1 GHz or higher for Windows 7
t RAM: 256 MB or more for Windows XP, 512 MB or more for Windows Vista, 1 GB or
more for Windows 7 32-bit version, 2 GB or more for Windows 7 64-bit version
t Hard Disk Drive: 400 MB or more of available space
t Display:
t Display:
– Screen Resolution: 800 × 600 pixels (or higher) (recommended 1,024 × 768 or higher)
– Colors: 8 bit or higher (16 bit recommended)
– Colors: 8 bit or higher (16 bit recommended)
t CD-ROM drive (supporting Digital Music CD playback capabilities using WDM)
t Sound board
t USB connector (Hi-Speed USB is recommended)
t Internet Explorer 7 or later and Windows Media Player 11 or later are required.
t Broadband Internet connection is required to use Electronic Music Distribution (EMD)
t Sound board
t USB connector (Hi-Speed USB is recommended)
t Internet Explorer 7 or later and Windows Media Player 11 or later are required.
t 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.
Requirements.
Not supported by the following environments:
– Personally constructed computers or operating systems
– An environment that is an upgrade of the original manufacturer-installed operating
– An environment that is an upgrade of the original manufacturer-installed operating
system
– Multi-boot environment
– Multi-monitor environment
– Macintosh
– Multi-monitor environment
– Macintosh
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.
NWZ-A844/A845/A846/A847
4
NOTE THE MAIN BOARD REPLACING
When the MAIN board is replaced, process it according to the fol-
lowing.
When the MAIN board is replaced, process it according to the fol-
lowing.
1. Format
Formatting memory
[Format]
You can format the built-in flash memory of the player.
Note
t If the memory is formatted, all data (songs, videos, photos, etc., including sample data
installed at the factory, bundled software installer, and the Operation 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.
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.
t Be sure not to initialize (format) the built-in flash memory of the player using Windows
Explorer. If you have formatted with Windows Explorer, format again using the player.
1
From the Home menu, select
[Settings]
i
[Common Settings]
i
[Reset/Format]
i
[Format].
[All data including songs will be deleted. Proceed?] appears.
2
Select [Yes].
[All data will be deleted. Proceed?] appears.
t To cancel the operation, select [No].
t To cancel the operation, select [No].
3
Select [Yes].
When initialization finishes, [Memory formatted.] appears.
t To cancel the operation, select [No].
t To cancel the operation, select [No].
2. Reset all setting
Note: NWZ-A844 (MX: Latin American model) must do the following
setting after the factory settings.
3. Wallpapers setting
It is necessary to install the Wallpapers. Confi rm details to each
service headquarters.
It is necessary to install the Wallpapers. Confi rm details to each
service headquarters.
COLOR VARIATION
Model
Destination
Color
Black
Brown
White
NWZ-A844
AEP, UK
z
–
z
East European
z
z
–
E, Australian, Tourist
–
–
z
Latin American
z
–
–
Indian
z
z
z
Chinese
–
z
z
NWZ-A845
AEP, UK
z
–
z
East European
z
–
–
E, Australian, Tourist
z
–
–
Indian
z
–
–
Chinese
z
–
–
NWZ-A846
AEP, UK
z
–
–
E, Australian, Tourist
z
–
–
NWZ-A847
AEP, UK
z
–
–
Ver. 1.1
Return
ing to the factory settings
[Reset All Sett
ings]
You can reset the player to the default settings. Resetting the player will not
delete data such as music, video, and photo data.
delete data such as music, video, and photo data.
Note
If you select this function during playback, the player pauses playback before performing
the reset process.
The default setting of [Equalizer] for players sold in the Latin America region is different
from the factory setting.
From the Home menu, select
[Settings]
[Common Settings]
[Reset/Format]
[Reset All Settings]
[Yes].
[Restored factory settings.] appears.
To cancel the operation, select [No] on the confirmation screen.
To cancel the operation, select [No] on the confirmation screen.
From the Home menu, select
[Settings] [Music Settings]
[Equalizer] [Custom 1] select [CREAR BASS +3].