STR-KS2300 - Sony Audio Service Manual (repair manual). Page 2

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STR-KS2300
2
2.  DIAGRAMS
For Schematic Diagrams.
Note:
•  All capacitors are in µF 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 
specifi ed.
•  2 :  nonfl ammable resistor.
•  5 :  fl usible resistor.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•  A : B+ Line.
•  Voltages are dc with respect to ground under no-signal 
(detuned) conditions.
  no mark : TUNER
•  Voltages are taken with a VOM (Input impedance 10 M
Ω). 
Voltage variations may be noted due to normal production 
tolerances.
• Abbreviation
 AUS : 
Australian 
model
 CH  : 
Chinese 
model
 CND : 
Canadian 
model
 TH  : 
Thai 
model
 TW  : 
Taiwan 
model
For Printed Wiring Boards.
Note:
•  X  : Parts extracted from the component side.
•  Y  : Parts extracted from the conductor side.
• 
 : Pattern from the side which enables seeing.
  (The other layers' patterns are not indicated.)
•  Indication of transistor.
 
C
B
These are omitted.
E
Q
 
C E
B
These are omitted. 
Note: The components identifi ed by mark 0 or dot-
ted line with mark 0 are critical for safety. 
 
Replace only with part number specifi ed.
Note: Les composants identifi és par une marque 
0 sont critiques pour la sécurité. 
 
Ne les remplacer que par une piéce portant 
le numéro spécifi é.
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