SA-MS5500, SA-WMS55, SS-CNMS55, SS-FMS55, SS-SRMS55 - Sony Audio Service Manual (repair manual). Page 7

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SA-MS5500
7
3-5.  PRINTED  WIRING  BOARDS (SA-WMS55) - POWER SUPPLY Section -
3-6.  SCHEMATIC  DIAGRAM (SA-WMS55) - POWER SUPPLY Section -
For Printed Wiring Boards.
Note:
• 
 : Pattern from the side which enables seeing.
  (The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side: 
(Component Side)
Parts on the pattern face side seen 
from the pattern face are indicated.
Parts on the parts face side seen from 
the parts face are indicated.
For Schematic Diagrams.
Note:
•  All resistors are in Ω and 1/4 W or less unless otherwise 
specifi ed.
Note: The components identifi ed by mark 0 or dotted 
line with mark 0 are critical for safety. 
 
Replace only with part number specifi ed.
1
2
3
4
5
6
TRANSFORMER BOARD  
(COMPONENT SIDE)
TRANSFORMER BOARD  
(CONDUCTOR SIDE)
SWITCH BOARD  
(COMPONENT SIDE)
SWITCH BOARD  
(CONDUCTOR SIDE)
A
B
C
D
E
F
G
TRANSFORMER
BOARD
SWITCH
BOARD
A
3
2
B
1
4
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