Sony Walkman NWZ-A726 Service Manual

SERVICE MANUAL
Ver. 1.0 2008.02
 ATRAC is trademark of Sony Corporation.
 "WALKMAN" and "WALKMAN" logo are registered trademarks of Sony
Corporation.

and are trademarks of Sony Corporation.
 Microsoft, Windows, Windows Vista and Windows Media are trademarks or
registered trademarks of Microsoft Corporation in the United States and/or
other countries.
 Adobe, Adobe Reader and Adobe Flash Player are trademarks or registered
trademarks of Adobe Systems Incorporated in the United States and/or other
countries.
 MPEG Layer-3 audio coding technology and patents licensed from
Fraunhofer IIS and Thomson.
 IBM and PC/AT are registered trademarks of International Business
Machines Corporation.
 Macintosh is a trademark of Apple Inc.
 QuickTime and the QuickTime logo are trademarks or registered trademarks
of Apple Inc., used under license therefrom.
 Pentium is a trademark or a registered trademark of Intel Corporation.
 This software is based in part on the work of the Independent JPEG Group.
 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
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.
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.COM
 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
("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
 US and foreign patents licensed from Dolby Laboratories.
 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.
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.
Program ©2008 Sony Corporation
Documentation ©2008 Sony Corporation
Sony Corporation
9-889-029-01
2008B05-1 Audio Business Group
©
2008.02 Published by Sony Techno Create Corporation
NWZ-A726/A726B/A728/
Photo: NWZ-A728
Supported file format
Music
File format MP3(MPEG-1 Layer3) file format, ASF file format, MP4 file format, Wave-Riff file
format
File extension MP3 (.mp3), WMA*
Codec MP3
WMA*
AAC-LC*
Linear PCM
Video
File format MP4 file format, "Memory Stick" video format
File extension .mp4, .m4v
Codec Video
Audio
File size Max. 2 GB
The number of files Max. 1,000
Photo* 5
File format Compatible with DCF 2.0/Exif 2.21file format
File extension .jpg
Codec Profile: Baseline Profile
Number of pixels: Max. 4,000 × 4,000 pixels (16,000,000 pixels)
The number of files Max. 10,000
*
1 WM-DRM 10 files are compatible.
*
2
Copyright protected AAC-LC files cannot be played back.
*
3
Sampling frequency may not correspond to all encoders.
*
4 Non-standard bit rates or non-guaranteed bit rates are included depending on the
sampling frequency.
*
5 Some photo files cannot be played back, depending on their file formats.
A728B/A729
US Model
NWZ-A726/A726B/A728/A728B/A729
Canadian Model
NWZ-A726/A728
E Model
Australian Model
Tourist Model
East European Model
NWZ-A726/A728/A729

SPECIFICATIONS

1 2
(.wma), AAC-LC* (.mp4, .m4a, .3gp), Linear PCM (.wav)
Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR))
Sampling frequency* 3 : 32, 44.1, 48 kHz
1 Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency* 3 : 44.1 kHz
2 Bit rate: 16 to 320 kbps (Supports variable bit rate (VBR))*
3
Sampling frequency* : 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
Bit rate: 1,411 kbps
Sampling frequency* 3 : 44.1 kHz
AVC Profile: Baseline Profile
(H.264/AVC) Level: Max. 1.3
Bit rate: Max. 768 kbps
MPEG-4 Profile: Simple Profile
Bit rate: Max. 2,500 kbps
Frame rate: Max. 30 fps
Resolution: Max. QVGA (320 × 240)
AAC-LC Channel number: Max. 2 channels
Sampling frequency*
Bit rate: Max. 288 kbps per 1 channel
– Continued on next page –
DIGITAL MEDIA PLAYER
4
3 : 24, 32, 44.1, 48 kHz