XR-C453RDS - Sony Car Audio Service Manual (repair manual). Page 42

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2
XR-C453RDS
2.
DIAGRAMS
2-1.
NOTE  FOR  PRINTED  WIRING  BOARD  AND  SCHEMATIC  DIAGRAMS
Note on Printed Wiring Board:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
f
: internal component.
: Pattern of the rear side.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
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.
C
: panel designation.
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
) : MW/LW
〈〈
 
〉〉
: TAPE PLAYBACK
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: MW/LW
E
: TAPE PLAYBACK
L
: BUS AUDIO IN
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