Schematic Diagram - Audio Section (1/2) - Sony CDX-C90R Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-12. SCHEMATIC DIAGRAM — AUDIO SECTION (2/2) —
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
.
http://www.xiaoyu163.com
x a o u 1 6 3
y
i
– 47 –
http://www.xiaoyu163.com
8 9
(Page 53)
Q Q
3 7 6 3 1 5 1
c o
.
2 4 2
9 8
5 0 8 9 2 4 9 8 2
Note:
• 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 Ω and
1
/ W or less unless otherwise
4
specified.
• % : indicates tolerance.
• ¢ : internal component.
• C : panel designation.
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : MW
< > : CD PLAY
[ ] : PANEL MOTOR operation
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F : FM
f : MW
J : CD
c : digital out
• Abbreviation
G : German model.
m
– 48 –
CDX-C90R
9 9
9 9