SA-NS400 - Sony Audio Service Manual (repair manual). Page 2

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SA-NS400
2
TABLE  OF  CONTENTS
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.
Dimensions (w/h/d) (including
projecting parts and controls):
Approx. 240 
× 273 × 185 mm
(Approx. 9 
1
/
2
 
× 10 
3
/
4
 
× 7 
3
/
8
 in)
Mass
Approx. 3.9 kg (8 lb 10 oz)
Supplied accessories:
Remote control (RM-ANU087) (1)
AC adaptor (AC-E1826) (1)
AC power cord (1)
Operating Instructions (1)
Preparations for listening to music via your
home network (Leafl et) (1)
Network (LAN) cable (1)
CD-ROM (“Network Speaker Wi-Fi Utility”) (1)
Design and specifi cations are subject to
change without notice.
1. 
SERVICE  NOTES
  ..................................................   3
2. DISASSEMBLY
2-1.   Front Grill Assy, Rear Grill Assy ....................................   6
2-2. Top 
Panel 
........................................................................   7
2-3.  SP101 (Front L-ch), SP102 (Front R-ch),
 
SP103 (Rear L-ch), SP104 (Rear R-ch) ..........................   7
2-4. Bottom 
Plate 
Assy 
...........................................................   8
2-5.  MAIN Board Section ......................................................   8
2-6.  MAIN Board, Module (10SA-NS400) ...........................   9
2-7. PANEL 
Board 
.................................................................   9
2-8.   E-BOX Assy ...................................................................   10
2-9.   SP105 (Subwoofer) .........................................................   10
3. 
TEST  MODE 
 ............................................................   11
4. DIAGRAMS
4-1. Block 
Diagram 
................................................................  13
4-2.  Printed Wiring Board –Main Section (1/2)– ...................   15
4-3.  Printed Wiring Board –Main Section (2/2)– ...................   16
4-4.  Schematic Diagram –Main Section (1/3)– ......................   17
4-5.  Schematic Diagram –Main Section (2/3)– ......................   18
4-6.  Schematic Diagram –Main Section (3/3)– ......................   19
4-7.  Schematic Diagram –Panel Section– ..............................   20
4-8.  Printed Wiring Board –Panel Section– ...........................   21
5. 
EXPLODED  VIEWS
5-1. Overall 
Section 
...............................................................  27
5-2. Bottom 
Section 
...............................................................  28
6. 
ELECTRICAL  PARTS  LIST
  ..............................   29
• JIG
  When disassembling the set, use the following jig (for speaker 
removal).
  Part No. J-2501-238-A  JIG FOR SPEAKER REMOVAL
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