Aiwa FR-A270, FR-A275 Service Manual
FR-A270
FR-A275
EZ(H, L)
EZ(H), HRJ(L),
K(H), U(H)
SERVICE MANUAL
RADIO RECEIVER
S/M Code No. 09-015-356-7N1
DATA
ACCESSORIES/PACKAGE LIST-1/1
REF. NO PART NO. KANRI DESCRIPTION
1 8B-RUB-905-010 IB,EZ(EGF)C 270<A270 EZLC,A270 EZHC>
1 8B-RUA-905-010 IB,EZ(EGF)C 275<A275 EZHC>
1 8B-RUB-907-010 IB,EZ(PHNCZ)C 270<A270 EZLC,A270 EZHC>
1 8B-RUA-907-010 IB,EZ(PHNCZ)C 275<A275 EZHC>
1 8B-RUB-906-010 IB,EZ(SID)C 270<A270 EZLC,A270 EZHC>
1 8B-RUA-906-010 IB,EZ(SID)C 275<A275 EZHC>
1 8B-RUA-902-010 IB,HR(ECC)C 275<A275 HRJLC>
1 8B-RUA-908-010 IB,K(E)C 277<A275 KHC>
1 8B-RUB-901-010 IB,U(3L)C 270<A270 UHC>
1 8B-RUA-901-010 IB,U(3L)C 275<A275 UHC>
NO.
-2-
SPECIFICATIONS
FRA270U MODEL FRA270EZ MODEL
Design and specifications are subject to change without
•
notice
.
Design and specifications are subject to change without
•
notice
.
FRA275U MODEL FRA275HRJ MODEL
Design and specifications are subject to change without
•
notice
.
Design and specifications are subject to change without
•
notice
.
FRA275K, EZ MODEL
Design and specifications are subject to change without
•
notice
.
-3-
ELECTRICAL MAIN PARTS LIST-1/2
REF. NO PART NO. KANRI DESCRIPTION
NO.
IC
87-A21-200-010 IC LM8562
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
87-A21-201-010 IC,LM8560N
<A270 UHC,A270 EZLC,A270 EZHC>
8B-RUA-611-010 IC,KA22426D
TRANSISTOR
89-318-155-010 TR,2SC1815GR
89-110-155-080 TR,1015GR
DIODE
87-070-345-080 DIODE,IN4148
87-A40-398-080 DIODE,1N4001
MAIN C.B
C4 87-010-196-080 C-CAP,S 0.1-25 Z F C2012
C5 87-A11-827-080 CAP,CER 22P-50 J RH
C7 87-A11-075-080 CAP,TC U 27P-50 C CH<A275 UHC,A270 UHC>
C8 87-A10-292-080 CAP,M 5600P-50 J
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C8 87-A10-293-080 CAP,M 6800P-50 J
<A270 UHC,A270 EZLC,A270 EZHC>
C10 87-012-348-080 CAP,CER 0.1-50 F
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C10 87-012-372-080 CAP,CER 1000P-2K
<A270 UHC,A270 EZLC,A270 EZHC>
C11 87-A10-577-080 CAP,CER 0.022-50 Z YF
C12 87-010-401-010 CAP,E 1-50 M SME
C13 87-010-377-010 CAP,E 3300-10 M SME
C14 87-012-348-080 CAP,CER 0.1-50 F
C15 87-010-404-010 CAP,E 4.7-50 M SME
<A270 UHC,A270 EZLC,A270 EZHC>
C16 87-010-267-080 CAP,E 47-10 105 KM
C18 87-010-391-010 CAP,E 10-35 M SME
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C19 87-010-131-080 CAP,E 0.47-50 BP
C20 87-A10-576-080 CAP,CER 0.01-50 Z YF
C22 87-012-348-080 CAP,CER 0.1-50 F
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C22 87-010-401-010 CAP,E 1-50 M SME
<A270 UHC,A270 EZLC,A270 EZHC>
C23 87-A10-577-080 CAP,CER 0.022-50 Z YF
C25 87-012-348-080 CAP,CER 0.1-50 F
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C26 87-010-064-080 CAP,E 100-10
C27 87-A10-576-080 CAP,CER 0.01-50 Z YF
C28 87-A10-576-080 CAP,CER 0.01-50 Z YF
C29 87-A10-576-080 CAP,CER 0.01-50 Z YF
C30 87-012-348-080 CAP,CER 0.1-50 F
C31 87-010-377-010 CAP,E 3300-10 M SME
C32 87-010-101-080 CAP, ELECT 220-16
REF. NO PART NO. KANRI DESCRIPTION
C33 87-010-391-010 CAP,E 10-35 M SM
C36 87-012-348-080 CAP,CER 0.1-50 F
C37 87-A10-576-080 CAP,CER 0.01-50 Z YF
C37 87-012-348-080 CAP,CER 0.1-50 F
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C38 87-012-348-080 CAP,CER 0.1-50 F
C39 87-A10-576-080 CAP,CER 0.01-50 Z YF
C43 87-A10-576-080 CAP,CER 0.01-50 Z YF
C43 87-012-372-080 CAP,CER 1000P-2K<A275 KHC,A275 HRJLC>
C44 87-010-545-010 CAP,E 0.22-50 M SME
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
C45 87-012-348-080 CAP,CER 0.1-50 F
CF1 87-A91-162-010 FLTR,PFS450A7
CF2 87-A90-991-010 FLTR,SFE10.7 MS239-A
CN1 8A-RUA-634-010 SOCKET,2P BATTERY
L1 8B-RUA-608-010 COIL,FM RF 3T5
L2 8B-RUA-608-010 COIL,FM RF 3T5
L3 8B-RUA-607-010 COIL,FM OSC 2T5
L5 8B-RUA-603-010 COIL,AM ANT
L6 8B-RUA-605-010 COIL,AM OSC
L7 87-003-136-010 COIL,100UH K LAL04
LD1 8B-RUA-602-010 LED,DISPLAY0.9 INCH 12H GREEN
LD1 8B-RUA-622-010 LED,DISPLAY0.9 INCH 24H GREEN
<EXCEPT A275 UHC,A275 HRJLC,A270 UHC>
LED1 8B-RUA-601-010 LED,DIA 3 RED
LED2 8B-RUA-601-010 LED,DIA 3 RED
<EXCEPT A270 UHC,A270 EZLC,A270 EZHC>
!
PT 8B-RUA-615-010 PT,EZ 230V W/AC CORD
<EXCEPT A275 UHC,A275 HRJLC,A270 UHC>
!
PT 8B-RUA-616-010 PT,HL 115/230V W/O ACCORD<A275 HRJLC>
!
PT 8B-RUA-614-010 PT,U 120V W/AC CORD<A275 UHC,A270 UHC>
PVC1 8B-RUA-621-010 TUN-CAP,20P-126P-126P TONG TAT
PVC1 8B-RUA-620-010 TUN-CAP,20P-160P-82P TONG TAT
SW1 8B-RUA-610-010 SW,SLIDE 2P2T SK22F10G8
SW2 8B-RUA-625-010 SW,TACT TS-1150HV
SW3 8B-RUA-626-010 SW,TACT DOME8-TDWA-300
SW4 8B-RUA-626-010 SW,TACT DOME8-TDWA-300
SW5 8B-RUA-626-010 SW,TACT DOME8-TDWA-300
SW6 8B-RUA-626-010 SW,TACT DOME8-TDWA-300
SW7 8B-RUA-626-010 SW,TACT DOME8-TDWA-300
SW8 8B-RUA-612-010 SW,SLIDE 2P4T SK24D01G8
SW9 8B-RUA-611-010 SW,SLIDE 4P3T SK43D03G6
!
SW10 8B-RUA-623-010 SW,SL SS-12F16G4<A275 HRJLC>
SW11 8B-RUA-624-010 SW,SL SS-12J01<A275 HRJLC>
T2 8B-RUA-604-010 COIL,IFT FM DES
T3 8B-RUA-606-010 COIL,AM IFT 450
VR1 8B-RUA-609-010 VR,RTRY 50K-BF-12NPD
NO.
<A270 UHC,A270 EZLC,A270 EZHC>
<A270 UHC,A270 EZLC,A270 EZHC>
<A275 UHC,A275 EZHC>
<A275 UHC,A275 HRJLC,A270 UHC>
<EXCEPT A275 UHC,A270 UHC>
<A275 UHC,A270 UHC>
<A270 UHC,A270 EZLC,A270 EZHC>
-4-
ELECTRICAL MAIN PARTS LIST-2/2
• Regarding connectors, they are not stocked as they are not the initial order items.
The connectors are available after they are supplied from connector manufacturers upon the order is received.
CHIP RESISTOR PART CODE
Chip Resistor Part Coding
88
A
Resistor Code
Chip resistor
Wattage Type Tolerance
1/16W 1005 5% CJ
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
Symbol
CJ
CJ
CJ
Figure
Value of resistor
Form
L
Dimensions (mm)
t
W
0.55
Resistor Code
108
118
128
LW t
1.0 0.5 0.35 104
1.6 0.8 0.45
2 1.25 0.45
3.2
1.6
: A
: A
-5-
BLOCK DIAGRAM-1/1
FM-ANT
ROD-ANT
MAIN C.B
L5
AM-ANT
14
FM RF
AM RF
10
U1
LM8562 (A275 MODEL)
LM8560 (A270 MODEL)
U2 KA22426D
AM FM IF POWER IC
AM/FM
IF+DET
VR1
4 6
Q1,Q2
AUDIO
AUDIO
POWER AMP
3
SP
27
2623
LD1
DISPLAY
1
14
DISPLAY CONTROL
CLOCK / DISPLAY
DRIVER
21 24
CLOCK
CONTROL KEY
SW2-SW7
A275 MODEL
19
20
16
15
27
16
A275 MODEL
SWITCH
SW8
CLOCK
BACK-UP
RADIO
BUZZER
ALARM BUZZ
POWER
SOURCE
HRJLC MODEL
SW11
110-120V
220-240V
AC~
AC 120V 60Hz (UHC MODEL)
AC 110V120V/220V-240V 50/60Hz
(HRJLC MODEL)
AC 230V 50Hz (KHC,EZHC,EZLC
MODEL)
-6-
SIGNAL
FM AM
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