NWZ-E343, NWZ-E344, NWZ-E345 - Sony Audio Service Manual (repair manual). Page 3

x Computer  

IBM PC/AT or compatible computer preinstalled with the following Windows operating 
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) / Windows Vista 
Home Premium (Service Pack 1) / Windows Vista Business (Service Pack 1) / Windows 
Vista Ultimate (Service Pack 1) 
Supported 64 bit version OS for Windows Vista. 
Not supported by OSs other than above. 
*

1

 Excluding OS Versions not supported by Microsoft.

x CPU: Pentium III 450 MHz or higher (Pentium III 800 MHz or higher for Windows 

Vista)

x RAM: 256 MB or more (512 MB or more for Windows Vista)

x Hard Disk drive: 380 MB or more of available space

x Display: 

–  Screen Resolution: 800 × 600 pixels (or higher) (recommended 1,024 × 768 or higher)
–  Colors: 8 bit or higher (16 bit recommended)

x CD-ROM drive (supporting Digital Music CD playback capabilities using WDM)

x Sound board

x USB connector (Hi-Speed USB is recommended)

x Internet Explorer 7.0 and Windows Media Player 11 are required.

x 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.

Not supported by the following environments:

–  Personally constructed computers or operating systems
–  An environment that is an upgrade of the original manufacturer-installed operating 

system

– Multi-boot environment
– Multi-monitor environment
– Macintosh

NOTE  THE  EACH  BOARDS  REPLACING
When the each boards are damaged, exchange the entire mounted 
board. The individual electrical parts which were mounted cannot 
be exchanged.

NWZ-E343

Canadian

z

–

–

Russian

z

–

–

NWZ-E344

US

z

z

z

US (Best Buy model)

z

z

z

Canadian

z

z

z

NWZ-E345

US

z

z

z

US (Best Buy model)

z

z

z

Canadian

z

z

z

1. Firmware writing
Execute the fi rmware writing with the set assembled to the state of 
the fi gure below after the MAIN board is replaced.

Note: If the set is not assembled to the state of the fi gure below, the fi rm-

ware cannot be written.

•  The set is assembled to the state before the SVX KEY COVER 

ASSY and BUTTON SHEET are attached

Refer to the following procedures for the fi rmware writing method. 

Note 1: Confi rm the method of obtaining the “Write information tool” 

used here to the service headquarters. 

Note 2: Assemble the set completely after confi rming writing the fi rm-

ware ended.

1-1. Preparation
Prepare the following tools beforehand.

•  PC (Windows XP or Windows Vista)
•  USB cable supplied to WALKMAN (Mini-B)
•  Write information tool

1-2.  Installing the write information tool
Procedure:
1.  Unzip the supplied zip fi le to get the following folders.

 • 

Write 

Informatiom1.5

 • 

LabVIEW_Runtime_Engine_82

2.  Open the folder in order of “LabVIEW_Runtime_Engine_82” 

→ “lv82rte”. Then, start up “lv82runtime”.

NOTE  THE  MAIN  BOARD  REPLACING
When the MAIN board is replaced, process it according to the fol-
lowing.