NAS-C5E - Sony Audio Service Manual (repair manual). Page 2

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NAS-C5E
2
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.
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS  IDENTIFIED  BY  MARK 
0 OR  DOTTED  LINE  
WITH  MARK 
0 ON  THE  SCHEMATIC  DIAGRAMS  AND  IN  
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS 
 
WHOSE  PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  
MANUAL  OR  IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
Supplied accessories
Remote control (1)
R6 (size AA) batteries (2)
AC power adaptor (1)
Power cord (1)
Operating Instruction
“Internet Radio service on “GIGA JUKE” Wireless Player” (1)
Design and speci
fi cations subject to change for improvements 
without notice.
 
Use the AC power adaptor supplied with this 
unit. Do not use any other AC power adaptor 
since it may cause this unit to malfunction.
Polarity of the plug
 
Connect the AC power adaptor or the AC 
power cord to an easily accessible AC outlet. 
Should you notice an abnormality in the AC 
power adaptor or the AC power cord, 
disconnect it from the AC outlet immediately.
 
The unit is not disconnected from the AC 
power source (mains) as long as it is connected 
to the wall outlet, even if the unit itself has been 
turned off.
 
If you are not going to use this unit for a long 
time, be sure to disconnect the power supply. 
To remove the AC power cord from the wall 
outlet, grasp the adaptor plug itself; never pull 
the cord.
1. 
SERVICING  NOTES
  .............................................   3
2. GENERAL
  ..................................................................  
4
3. DISASSEMBLY
3-1.  Disassembly Fl ow ...........................................................  
8
3-2.  Cabinet (Top) Assy, KEY Board .....................................   8
3-3.  Cabinet (Front) Block .....................................................   9
3-4.  LCD Board, Liquid Crystal Element (LCD1), 
 
HEADPHONE Board, Cabinet (Front) Sub Assy ..........   9
3-5.  MAIN Board Block ........................................................   9
3-6.  MAIN B oard ...................................................................  
9
4. DIAGRAMS
4-1.  Block Diagram - MAIN, AUDIO Section - ....................   10
4-2.  Block Diagram 
 
- PANEL, POWER SUPPLY Section - ...........................   11
4-3.  Schematic Diagram - MAIN Board (1/7) - .....................   13
4-4.  Schematic Diagram - MAIN Board (2/7) - .....................   14
4-5.  Schematic Diagram - MAIN Board (3/7) - .....................   15
4-6.  Schematic Diagram - MAIN Board (4/7) - .....................   16
4-7.  Schematic Diagram - MAIN Board (5/7) - .....................   17
4-8.  Schematic Diagram - MAIN Board (6/7) - .....................   18
4-9.  Schematic Diagram - MAIN Board (7/7) - .....................   19
4-10.  Printed Wiring Board 
 
- MAIN Board (Component Side) - ................................   20
4-11.  Printed Wiring Board 
 
- MAIN Board (Conductor Side) - ..................................   21
4-12.  Printed Wiring Board - LCD Board - ..............................   22
4-13.  Schematic Diagram - LCD Board - ................................   23
4-14.  Printed Wiring Board - KEY Board -..............................   24
4-15.  Schematic Diagram - KEY Board - ................................   25
4-16.  Printed Wiring Board - HEADPHONE Board - .............   26
4-17.  Schematic Diagram - HEADPHONE Board - ................   26
5. 
EXPLODED  VIEWS
5-1.  Cabinet Sec tion ...............................................................   39
5-2.  Main Sect ion ...................................................................   40
6. 
ELECTRICAL  PARTS  LIST
  ..............................   41
TABLE  OF  CONTENTS
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