STR-K880, STR-K900 - Sony Audio Service Manual (repair manual). Page 5

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5
STR-K880/K900
DIAGRAMS

For Schematic Diagrams.
Note:
• All capacitors are in 
µ
F unless otherwise noted.  (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in 
Ω
  and 
1
/
4
 
W or less unless otherwise
specified.
•     %
: indicates tolerance.
•        
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F
: FM
J
: ANALOG
c
: DIGITAL
I
: VIDEO
• Abbreviation
CND
: Canadian model.

For Printed Wiring Boards.
Note:
•
X
: parts extracted from the component side.
•        
a
: Through hole.
•        
f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
   Note:
The components identi-
fied by mark 
0
  or dot-
ted line with mark 
0
 are
critical for safety.
Replace only with part
number specified.
   Note:
Les composants identifiés
par une marque 
0
 sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)

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