Aiwa CDC-R227 Service Manual page 19

SCHEMATIC DIAGRAM -1/3 (MAIN)
Q Q
3 7 6 3 1 5 1 5 0
MAIN C.B
TUNER PACK
AM+B SW
FILTER
FM+B SW
Q105,106
LPF (FM)
T E
L 1 3 9 4 2 2 9 6 5 1 3
Q108,109
LPF (AM)
w w w
LEVEL AMP
x a o
y
. i
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8
E-VOL
Q Q
3 7 6 3
C P U
Q803,806
SW 8V
u 1 6 3
.
-19-
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9 2 4 9 8
Q401~404
MUTE
DTA124EKA
MUTE SW
5V REG
POWER
1 5 1 5 0 8 9 2 4
POWER CONT
RESET IC
9V REG
REGULATOR
m
c o
SIGNAL
: AM
: FM/PB
2 9 9
9 8 2 9 9
F901
15A 32V