NWZ-S715F, NWZ-S716F, NWZ-S718F - 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.

NOTE  THE  C104,  C204,  CN301,  CN881,  IC301,  IC302,  
IC303,  IC305,  IC306,  IC404,  IC405,  IC501,  IC503,  IC505,  
IC506,  IC507,  IC508,  IC509,  IC601,  IC602,  IC701,  IC751,  
IC752,  IC802,  IC803,  IC901  AND  IC903  ON  THE  MAIN  
BOARD  REPLACING
C104, C204, CN301, CN881, IC301, IC302, IC303, IC305, IC306, 
IC404, IC405, IC501, IC503, IC505, IC506, IC507, IC508, IC509, 
IC601, IC602, IC701, IC751, IC752, IC802, IC803, IC901 and 
IC903 on the MAIN board cannot exchange with single. When 
C104, C204, CN301, CN881, IC301, IC302, IC303, IC305, 
IC306, IC404, IC405, IC501, IC503, IC505, IC506, IC507, IC508, 
IC509, IC601, IC602, IC701, IC751, IC752, IC802, IC803, IC901 
and IC903 on the MAIN board are damaged, exchange the entire 
mounted board.

NOTE  THE  CN152  ON  THE  NC  BOARD  REPLACING
CN152 on the NC board cannot exchange with single. When 
CN152 on the NC board is damaged, exchange the entire mounted 
board.

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

  ..................................................................   5

3-1.   Disassembly Flow  ..........................................................   6
3-2.   Case (Upper) Sub Assy ...................................................   6
3-3.   LCD Sub Assy (LCD801) ...............................................   7
3-4.   MAIN Board ...................................................................   7
3-5.   Lithium Ion Battery ........................................................   8

TEST  MODE 

 ............................................................  

9

5-1.  Block Diagram - MAIN Section - ...................................   16
5-2. Block 

Diagram 

 

- DISPLAY, POWER SUPPLY Section - .......................   17

5-3.  Schematic Diagram - MAIN Board (1/11) - ...................   19
5-4.  Schematic Diagram - MAIN Board (2/11) - ...................   20
5-5.  Schematic Diagram - MAIN Board (3/11) - ...................   21
5-6.  Schematic Diagram - MAIN Board (4/11) - ...................   22
5-7.  Schematic Diagram - MAIN Board (5/11) - ...................   23
5-8.  Schematic Diagram - MAIN Board (6/11) - ...................   24
5-9.  Schematic Diagram - MAIN Board (7/11) - ...................   25
5-10.  Schematic Diagram - MAIN Board (8/11) - ...................   26
5-11.  Schematic Diagram - MAIN Board (9/11) - ...................   27
5-12.  Schematic Diagram - MAIN Board (10/11) - .................   28
5-13.  Schematic Diagram - MAIN Board (11/11) - .................   29
5-14.  Printed Wiring Board - MAIN Board (Side A) - ............   30
5-15.  Printed Wiring Board - MAIN Board (Side B) - ............   31
5-16.  Printed Wiring Board - NC Board - ................................   32
5-17.  Schematic Diagram - NC Board - ...................................   33

6-1.  Case (Upper) Section ......................................................   45
6-2.  LCD, MAIN Board Section ............................................   46
6-3.  Case (Lower) Section ......................................................   47

  ..............................   48

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

 Computer  

IBM PC/AT or compatible computer preinstalled with the following Windows operating 
systems*: 
Windows XP Home Edition (Service Pack 2 or later) / Windows XP Professional 
(Service Pack 2 or later) / Windows Vista Home Basic / Windows Vista Home Premium 
/ Windows Vista Business / Windows Vista Ultimate

  Not supported by 64 bit version OS.

  Not supported by OSs other than above. 

* Excluding OS Versions not supported by Microsoft.

 CPU: Pentium 4 1.0 GHz or higher

 RAM: 512 MB or more

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

 Display: 

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

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

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

 Sound board

 USB port (Hi-Speed USB is recommended)

 Microsoft .NET Framework 2.0 or 3.0, QuickTime 7.2, 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.).

 Adobe Flash Player 8 or higher needs to be installed.

 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