Aiwa FR-C32, Service Manual, Page: 4 / 13

4
SCHEMATIC DIAGRAM (FR-C52)
=
ROD. ANT
ANT
L10 0.68UH
L8 LW ANT L5 MW ANT
L3 SW ANT
D2
1N4148 1N4148
C1
C6
30P
C11
C7
C4
C14
C2
C3
30P NPO
68P NPO
39P NPO
2P NPO
8P NPO
30P NPO
30P NPO
L9 DIA. 4.5x 3.5T
FM
FM
SW
SW
LM
MW
LW
MW
SW1B
SW1A
FM
SW
LW
MW
SW1C
FM
SW
LW
MW
SW1E
R8 330
R4 1k
C17
100P
C19
C29
0.01
0.01
R5 220k
R6 270
R7 1k
R13 4.7k
T1 AM IFT
C18
0.01
Q1 9018C
D1
R2 220
CF2
CF1
SFE 10.7MA5
SFU 450814
C20
10/10
10/10
33/10
0.018 (M)
0.1
2.2/50
4.7/10
C21
C22
C24
C23
C35
C25
D5
RED TUNING LED
R12
390
VR1 VOL. 50KA
VR2 TONE 50KA
R101
R11 2.7k
C101
C28
4.7/10
4.7/10
R102 100k
C107
220/10
C108
100/10
R103 4.7
R40
22
C103
C102
0.047(M)
C104
0.1 (M)
0.1 (M)
R104 4.7
1k
SW2B
AF2
AF2 AF1
AF1
JK1
PHONE
R105
100
FM
SW AM LW
SP+ SP–
C106
C110
0.01
0.001
VB+
B+ B–
BT+
BATTERY
R6x3
DC4.5V
BATTERY
R14x3
DC4.5V
JK2
AC SOCKET
AC230V
50Hz
AC 230V
PT1
TO 44378
TRANSFORMER
AC1 AC2
C203
0.01
C204
0.01
D203
1N4001
D202
1N4001
C202
0.01
C201
0.01
IC3
ICP-N10
CURRENT
OVERLOAD
PROTECTOR
D204
1N4001
D201
1N4001
IC3
VB–
PG
SW2A
OFF
ON
POWER SW.
C105 100/10
I/P1
NF1
O/P1
Vcc
O/P2
I/P2
NF2
GND1
1
2
34
5
6
7
8
IC2
POWER AMP
KA2209
C30
C26
C36
0.1
15P NPO
C21
C206
C205
2200/10
0.022
10/10
C40
220/10
C15
C16
C13
C12
C9
R17
3.3k
R10
1k
TC4
TC9 1.8P
TC6
L6 MW OSC
L4 SW OSC
L1 FM OSC DIA. 5X 2.5T
L7 LW OSC
C5
22PF
NPO
R1
2.2k
VC1B
VC1D
L2 FM RF DIA. 4.5X 3.5T
25F
NPO
VC1A
VC1C
TC7
TC3
TC2
TC1
TC8
160P NPO
8P NPO
C8 3P NPO
10P
4.7/10
C27
1P
NPO
14
15
16
17
18
19
20
21
22
13
12
11
10
9
8
76
5
4
3
2
1
FM/AM
IF
OUT
FE
GND
FM
RF IN
FM RF
REG
OUT
FM
OSC
AFC
METER
NC
IF
GND
M
BAND
AFC/
AGC
J
BAND
AFC/ AGC
DET
OUT
AF
IN
RIPPLE FILTER
VCC
AF
OUT
FM/AM
BAND
SELECT
AM
IF
IN
FM
IF IN
AM
OSC
VOL
NF
28
27
26
25
24
23
POWER
GND
FM
DISCRI
GND
NC
AM RF
IN
IC1
CXA1819AM
FM/AM TUNER
R3
470k
T2
FM DET
R9
1k
or
C BATT C.B
!
!
!
ON
OFF
NOTE:
ONE VOLTAGE: FM or AM MODE TWO VOLTAGE: FM AND (AM) MODE
Rxx
Rxx
SP1
8 OHM
SPEAKER
+ –
VR1
VOLUME
VR2
TONE
SW2
POWER
Q1
AM IF
AMP
1.1
2.5 0.4
T1
AM IF
ADJ.
0.6
0.6
0
0
0
1.9
4.5
2.0
0
0
0
0
0
0
0
0
0
2.2
1.3
1.3
1.3
1.3
1.3
2.2
3.9
3.4
(4.0)
4.3
(4.4)
1.3
(1.0)
1.3
(1.1)
4.2
(4.4)
1.4 (0)
1.4
(0)
0.6
(0.1)
0.3
(0)
1.4
(1.5)
1.3
(1.5)
L6, TC6 MW FREQ. RANGE ADJ. L7, TC8 LW FREQ. RANGE ADJ.
L3, TC5
SW TRACKING
ADJ.
L2, TC2
FM TRACKING
ADJ.
L4, TC4
SW FREQ.
RANGE ADJ.
L1, TC1
FM FREQ.
RANGE ADJ.
A MAIN C.B
T2
FM IF
ADJ.
B JACK C.B
L3, TC7
LW TRACKING
ADJ.
L5, TC3
MW TRACKING
ADJ.
FM
FM
SW
SW
LW
LW
MW
MW
SW1D
SW1E
20P
20P NPO
300P NPO
2200P
TC9
FINE TUNE