SA-W2500, SA-W3000, SA-W3800 - Sony Audio Service Manual (repair manual). Page 4

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4
SA-W2500/W3000/W3800
For Printed Wiring Boards.
Note :
• X
: parts extracted from the component side.
• x
: parts extracted from the conductor side.
: Pattern from the side which enables seeing.
• Abbreviation
CND : Canadian model
MY
: Malaysia model
SP
: Singapore model
AUS
: Australian model
E51
: Chilean and Peruvian model
KR
: Korean model
TH
: Thai model
TW
: Taiwan model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block.)
For Schematic Diagrams.
Note:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F 50 WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise specified.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
• Voltages are dc with respect to  ground under no-signal conditions.
• no mark : Power on
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production toler-
ances.
• Signal path
.
F
: AUDIO
J
: MFB (Motional Feed Back)
Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
SECTION 1
DIAGRAMS
Ver. 1.1
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