Aiwa FR-AP20W Service Manual page 6

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BLOCK DIAGRAM-1/1
MAIN C.B
49
SW2
53
RESET
LC72341G
55
CLOCK DISPLAY
64
X1
1
4~10
D 5
KEY
KEY
MATR1X
MATR1X
SW6~10
SW3~11
TUNER C.B
KEY C.B
2/2
C54
LCD1
Q6
Q7
BEEP LEVEL
BEEP LEVEL
CONTROL
CONTROL
23
IC1
14
CPU
13
11
12 15
16
Q8
LED1~3
LED BRIGHT
BACK
CONTROL
RIGHT
Q10
LED BRIGHT
CONTROL
Q5,DZ1
REGLATOR
TUNER C.B 1/2
L5, PVC1D
AM Tracking ADJ
C53
FM
ANT
BAND SW
FM
14
12
SW1A
AM
R7
T2
15
16
IFT
AM
FM IF
AMP
CF2
CF3
BAND SW
SW1B
Q4
TUNER
POWER
CONTROL
T2
AM IF ADJ
-6-
L3, PVC1B
L4, PVC1A
FM Fequency Range ADJ
FM Tracking ADJ
AM RF
FM RF
FM OSC
AM OSC
L5 Q1
L3
L4
T1
PVC1D
PVC1B
PVC1A
PVC1C
10
9
8
7
5
IC2 KA22425
AM/FM TUNER SYSTEM & POWER AMP
17
23
24
26
27
C37
Q2
+
C27
FM
C23
AM
Q9
MUTE
Q3
CONTROL
TUNER
POWER
CONTROL
L1, PVC1C
AM Fequency Range ADJ
VR1
VOLUME
4
3
+
+
SPEAKER
SP1
D3
DCJACK
DC6V
9V
L7
SIGNAL
: AM
: FM

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