NWZ-E435F, NWZ-E436F, NWZ-E436FK, NWZ-E438F - Sony Audio Service Manual (repair manual). Page 3

UNLEADED  SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution:  Some printed circuit boards may not come printed with 

the lead free mark due to their particular size)

Unleaded solder has the following characteristics.
•  Unleaded solder melts at a temperature about 40 °C higher 

than ordinary solder.

 

Ordinary soldering irons can be used but the iron tip has to be 
applied to the solder joint for a slightly longer time.

 

Soldering irons using a temperature regulator should be set to 
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if 

the heated tip is applied for too long, so be careful!

• Strong 

viscosity

 

Unleaded solder is more viscous (sticky, less prone to fl ow) 
than ordinary solder so use caution not to let solder bridges 
occur such as on IC pins, etc.

• 

Usable with ordinary solder

 

It is best to use only unleaded solder but unleaded solder may 
also be added to ordinary solder.

NOTES  ON  CHIP  COMPONENT  REPLACEMENT
• 

Never reuse a disconnected chip component.

• 

Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.

FLEXIBLE  CIRCUIT  BOARD  REPAIRING
• 

Keep the temperature of soldering iron around 270 °C during 
repairing.

• 

Do not touch the soldering iron on the same conductor of the 
circuit board (within 3 times).

• 

Be careful not to apply force on the conductor when soldering 
or unsoldering.

  .............................................   3

  ..................................................................   6

3-1.   Disassembly Flow ...........................................................   7
3-2.   Rear Case ........................................................................   7
3-3.   SVX Front Case Assy, KEY Board .................................   8
3-4.   Battery (N) Assy .............................................................   8
3-5.   MINI Jack .......................................................................   9
3-6.   MAIN Board, Escutcheon ...............................................   9
3-7.   Liquid Crystal Display Panel ..........................................   10
3-8.   SVX VOL SW Assy ........................................................   10

TEST  MODE 

 ............................................................   11

5-1. Printed 

Wiring 

Boards 

....................................................  19

5-2. Schematic 

Diagram 

.........................................................  20

6-1.  Rear Case Section ...........................................................   21
6-2.  Front Case Assy Section .................................................   22
6-3.  PC Board Section ............................................................   23
6-4. LCD 

Section 

...................................................................  24

  ..............................   25

Accessories are given in the last of the electrical parts list.

CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.

v Computer

IBM PC/AT or compatible computer preinstalled with the following Windows operating
systems*

1

:

Windows Vista Home Basic (Service Pack 1 or later)
Windows Vista Home Premium (Service Pack 1 or later)
Windows Vista Ultimate (Service Pack 1 or later)
Windows Vista Business (Service Pack 1 or later)
Windows XP Home Edition (Service Pack 2 or later)
Windows XP Professional (Service Pack 2 or later)
Not supported by 64 bit version OS.
Not supported by  OSs  other than above.
*

1

Excluding OS Versions not supported by Microsoft.

v CPU: Pentium 4 1.0 GHz or higher
v RAM: 512 MB or more
v Hard Disk drive: 380 MB or more of available space

More free space may be required depending on the version of the operating system
installed. Also, more space is required to store data (such as music, videos, photos) on
the hard drive.

v Display:

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

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

To create original CDs, a CD-R/RW drive is required.

v Sound board

v USB port (Hi-Speed USB is recommended)
v Microsoft .NET Framework 2.0 or 3.0, QuickTime 7.3, Internet Explorer 6.0 or 7.0, 

Windows Media Player 10 or 11 (Windows Media Player 11 recommended. Some
computers that already have Windows Media Player 10 installed may encounter file
limitation (AAC, video files, etc.) that can be transferred by dragging and dropping.).

v Installation of Adobe Flash Player 8 or higher is required.
v 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

− M ulti-boot environment

− Multi-monitor environment
− M acintosh