STR-DA2000ES, STR-DB2000 (serv.man2) - Sony Audio Service Manual (repair manual). Page 2

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STR-DA2000ES/DB2000
1
1.
DIAGRAMS
1-1.
NOTE  FOR  PRINTED  WIRING  BOARDS AND  SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
f
: internal component.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• 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.
f
: internal component.
2
: nonflammable resistor.
C
: panel designation.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
A
: B+ Line.
B
: B– Line.
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
f
: TUNER
F
: AUDIO (ANALOG)
J
: AUDIO (DIGITAL)
E
: VIDEO
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
pièce por tant le numéro
spécifié.
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