Aiwa FR-A270 Building instructions
SERVICE MANUAL
DATA
RADIO RECEIVER
S/M Code No. 09-015-356-7N1
U(H),EZ(L,H)
FR-A270
FR-A275
U(H),HRJ(L),K(H)
EZ(H)
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TEL 13942296513 QQ 376315150 892498299
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-2-
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES/PACKAGE LIST-1/1
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>
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TEL 13942296513 QQ 376315150 892498299
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-3-
SPECIFICATIONS
FRA270U MODEL FRA270EZ MODEL
FRA275U MODEL FRA275HRJ MODEL
FRA275K, EZ MODEL
•
Design and specifications are subject to change without
notice.
•
Design and specifications are subject to change without
notice.
•
Design and specifications are subject to change without
notice.
•
Design and specifications are subject to change without
notice.
•
Design and specifications are subject to change without
notice.
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TEL 13942296513 QQ 376315150 892498299
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-4-
REF. NO PART NO. KANRI DESCRIPTION
NO. REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST-1/2
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
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
<A270 UHC,A270 EZLC,A270 EZHC>
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
<A270 UHC,A270 EZLC,A270 EZHC>
C43 87-A10-576-080 CAP,CER 0.01-50 Z YF
<A275 UHC,A275 EZHC>
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
<A275 UHC,A275 HRJLC,A270 UHC>
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
<EXCEPT A275 UHC,A270 UHC>
PVC1 8B-RUA-620-010 TUN-CAP,20P-160P-82P TONG TAT
<A275 UHC,A270 UHC>
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
<A270 UHC,A270 EZLC,A270 EZHC>
!
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
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TEL 13942296513 QQ 376315150 892498299
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-5-
ELECTRICAL MAIN PARTS LIST-2/2
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage Type Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form
LW t
1.6 0.8 0.45
2 1.25 0.45
3.2 1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W 1005 5% CJ
1.0 0.5 0.35 104
Lt
W
• 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.
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TEL 13942296513 QQ 376315150 892498299
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-6-
BLOCK DIAGRAM-1/1
FM RF
AM RF AM/FM
IF+DET AUDIO
POWER AMP
AUDIO
SWITCH
CLOCK / DISPLAY
DRIVER
CLOCK
CONTROL KEY CLOCK
BACK-UP
DISPLAY POWER
SOURCE
FM AM
3
4 6
27
2623
27
16
15
16
10
14
1
14
VR1
MAIN C.B
21 24
SW2-SW7
19
20
SP
AC~
ALARM BUZZ
FM-ANT
ROD-ANT
AM-ANT
L5
LD1
AC 120V 60Hz (UHC MODEL)
AC 110V120V/220V-240V 50/60Hz
(HRJLC MODEL)
AC 230V 50Hz (KHC,EZHC,EZLC
MODEL)
SIGNAL
A275 MODEL
A275 MODEL
Q1,Q2
SW8 RADIO
BUZZER
U2 KA22426D
AM FM IF POWER IC
U1
LM8562 (A275 MODEL)
LM8560 (A270 MODEL)
DISPLAY CONTROL
SW11
110-120V
220-240V
HRJLC MODEL
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TEL 13942296513 QQ 376315150 892498299
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-7-
101112131415161718192021222324
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1234567892526272829303132
WIRING-1/2 (A275 MODEL)
Cxx
Lxx
LEDxx
Note
1
28
1415
1
28
14
15
L5
(BLK)
CLOCK SET
(BLK)
TC1 TC4
TC2 TC3
(RED)
BUZZER RADIO STAND
BY
AM FM
ON
POWER
BAND
MAIN C. B (PARTS SIDE) VOLUME
ALARM
ALARM2 ALARM1
SLEEP
C
B
E
30
21
20
19
18
17
16
15
13
12
10
9
7,8
6
2
1,3
SW8A
SW9ASW9D
SW8B
SW9BSW9C
UP
DOWN
ALARM SET
SNOOZE
C4
JW
JW
JW
SELECTJW
No Mount No Mount
12/24H
50Hz 50/60Hz
60Hz
12H
24H JW
JW
–
–
–
–
MODEL
EXCEPT
HRJLC MODEL
1+2
21
U2
SW8
SW9
SW1
VR1
SW2
ALL MODEL
ALL MODEL
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TEL 13942296513 QQ 376315150 892498299
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-8-
SCHEMATIC DIAGRAM-1/2 (A275 MODEL)
: FM
SIGNAL
: AM
MAIN C.B
0.1
0.1
68K
STANDBY
BUZZER
STANDBY
BUZZER
0.1
0.01
0.01
0.01
0.1
0.1
0.1
0.1
0.022
TC1 TC2 TC3 TC4
IFT FM DES
0.1
0.01
0.1 39K
8.2K
L5,TC1
AM TRACKING ADJ
T3
AM IF ADJ
L2,TC2
FM TRACKING ADJ L3,TC3
FM FREQUENCY
RANGEADJ
T2
FM IF ADJ
L6,TC4
AM FREQUENCY
RANGEADJ
ANT1
FM ANT
VOLUME
SPEAKER
IF AMP
POWER
BAND
8 ohm 0.5w 1/4
AC~
PT
SW11
T1
AC~
VOL
REG
AM FM IF POWER IC
DISPLAY
CONTROL
DIA3 RED
DIA3 RED
PVC1 TUN-CAP,20P-160P-82P (UHC MODEL)
TUN-CAP,20P-126P-126P (KHC,HRJLC,EZHC MODEL)
LED,DISPLAY 0.9 INCH 12H (UHC,HRJLC MODEL)
LED,DISPLAY 0.9 INCH 24H (KHC,EZHC MODEL)
NCFM
RF IN
FM
IF
IN
AM
IF
IN
FM
OSC AM
OSC
FM
RF
AM
IN
FE
GND
FM/AM
IF
OUT
REG
OUT
DET
OUT AF
OUT
AF
IN
AFC
AFC
AGC
AFC
AGC
VOL NF FH
DISCRIGND
GNDVCC
RIPPLE
FILTER
IF
GNDMETERNC
FM/AM
BAND
SELECT
COLON
OUT
MIN AF
MIN CD
TIME
SET
MIN BG
10MIN
MIN
10MIN
CD
10MIN
BG
10MIN
AF
HRAF
HRCD
HRBG
10HRC
PM
10HRB
AM
10HRAG
VCC
ALM-1
OUT
ALM-2
OUT
ALM
DISP
CR
OSC
RADIO
OUTPUT
SPEED
POWER
ON/OFF
IN
SLEEP
SNOOZE
50/60
IN
RF TIM
SET
MODE
SELECT
MS239
-A
PFS450A7
AM IFT 450
120V 60Hz (UHC MODEL)
230V 50Hz (KHC,EZHC MODEL)
110V-120V/220-240V,50/60Hz
(HRJLC MODEL)
HRJLC MODEL
HRJLC
MODEL
PT,U 120V W/AC CORD (UHC MODEL)
PT,EZ 230V W/AC CORD (KHC,EZHC MODEL)
PT,HL 115/230V W/O AC CORD (HRJLC MODEL)
CLOCK SET
ALARM SET
UP
POWER
ALRAM
ALRAM
C38
0.1
C8
0.0056
3.3K
3.3K
U1 LM8562
VDD
ALARM1
ALARM2
0.022
240K
U2
16V
SK-43D03G6
SK-43D03G6
SW9D
SK-43D03G6
SW9C
SK-43D03G6
C43
0.01 (UH,EZH MODEL)
0.001 (KH,HRJL MODEL)
RTRY 50K-BF-12NPD
110V-120V
220V-240V
1
2
Note
DC 9V
CN1
SOCKET
2P BATTERY
1015GR
6
5
SS-12J
50/60
Hz
JW
SELECT
JW
No Mount No Mount
12/24H
SW10
12/24H
JW
JW
50Hz 50/60Hz
60Hz
12H
24H JW
JW
–
–
–
–
MODEL
EXCEPT
HRJLC MODEL
ALL MODEL
ALL MODEL
35V
2SC1815GR
C7 30P KHC, HRJLC, EHC MODEL
27P UHC MODEL
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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-9-
101112131415161718192021222324
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1234567892526272829303132
WIRING-2/2 (A270 MODEL)
Cxx
Lxx
LEDxx
Note
1
28
1415
1
28
14
15
L5
(BLK)
CLOCK SET
(BLK)
(RED)
AM FM
BAND
MAIN C. B (PARTS SIDE) VOLUME
SLEEP
C
B
E
30
21
20
19
18
17
16
15
13
12
10
9
7,8
6
2
1,3
SW8A
SW8B
UP
DOWN
ALARM SET
SNOOZE
C4
JW
JW
JW
50Hz
60Hz
12H
24H
SELECTJW 12/24
–
–
No Mount
JW
50/60
JW
No Mount
–
–
TC1 TC4
TC3
TC2
U2
BUZZER RADIO STAND
BY ON
POWER
ALARM
SW8
SW2
VR1
SW1
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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-10-
SCHEMATIC DIAGRAM-2/2 (A270 MODEL)
: FM
SIGNAL
: AM
MAIN C.B
0.001
0.0068
0.1
0.022
STANDBY
BUZZER
STANDBY
BUZZER
0.01
0.01
0.01
0.01
0.1
0.1
0.1
0.1
0.022
0.01
TC1 TC2
1K
TC3 TC4
IFT
0.1
0.01 39K
8.2K
L5,TC1
AM TRACKING ADJ
T3
AM IF ADJ
L2,TC2
FM TRACKING ADJ L3,TC3
FM FREQUENCY
RANGE ADJ
T2
FM IF ADJ
L6,TC4
AM FREQUENCY
RANGE ADJ
ANT1
FM-ANT
VOLUME
VR,RTRY 50K-BF-12NPD
SPEAKER
IF AMP
BAND
8 ohm 0.5w 1/4
AC~
PT
AC~
DC 9V
CN1
UP
DOWN
CLOCK SET
VOL
REG
AM FM IF POWER IC
DISPLAY
CONTROL
ALARM
LED,DIA3
LED1
LED,DISPLAY 0.9 INCH 12H GREEN (UHC MODEL)
LED,DISPLAY 0.9 INCH 24H GREEN (EZLC,EZHC,UWCC MODEL)
C7 27P (UHC MODEL)
30P (EZLC,EZHC MODEL)
NCFM
RF IN
FM
IF
IN
AM
IF
IN
FM
OSC AM
OSC
FM
RF
AM
IN
FE
GND
FM/AM
IF
OUT
REG
OUT
DET
OUT AF
OUT
AF
IN
AFC
AFC
AGC AFC
AGC
VOL NF FH
DISCRIGND
GNDVCC
RIPPLE
FILTER
IF
GNDMETERNC
FM/AM
BAND
SELECT
COLON
OUT
MIN AF
MIN CD
MIN
SET
HOUR
SET
MIN BG
10MIN
MIN
10MIN
CD
10MIN
BG
10MIN
AF
HRAF
HRCD
HRBG
10HRC
PM
10HRB
AM
10HRAG
VSS
VDD
ALARM
OUT
ALARM
OFF
ALARM
DISP
SLEEP
OUT
SLEEP
INPUT
SNOOZE
INPUT
50/60
INPUT
CR
INPUT
50/60
SELECT
12/24
SELECT
120V 60Hz (UHC MODEL)
230V 50Hz (EZLC,EZHC MODEL)
PT,U 120V W/AC CORD (UHC MODEL)
PT,EZ 230V W/AC CORD (EZLC, EZHC MODEL)
PVC1 TUN-CAP,20P-160P-82P (UHC MODEL)
TUN-CAP,20P-126P-126P (EZLC,EZHC MODEL)
U1 LM8560
ALARM SET
POWER
1015GR
16V
68
U2
SOCKET
2P BATTERY
Note
50/60Hz
12/24H
JW
JW
JW
50Hz
60Hz
12H
24H
SELECTJW 12/24H
–
–
No Mount
JW
50/60Hz
JW
No Mount
–
–
2SC1815GR
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-12-
ELECTRICAL ADJUSTMENT-1/2 (A275 MODEL)
< TUNER SECTION >
1. AM IF Adjustment
Settings: • Test point TP3
• Adjustment location: T3
T3 ................................................................................ 450kHz
2. AM Frequency Range Adjustment
Settings: • Test point TP3
• Adjustment location: L6, TC4
TC4.................................. 1635kHz (EXCEPT UHC MODEL)
TC4.................................................. 1750kHz (UHC MODEL)
L6 ................................................................................ 515kHz
3. AM Tracking Adjustment
Settings: • Test point TP3
• Adjustment location: TC1, L5
TC1.................................. 1400kHz (EXCEPT UHC MODEL)
TC1.................................................. 1500kHz (UHC MODEL)
L5 ................................................................................ 600kHz
4. FM IF Adjustment
Settings: • Input point TP2
• Test point TP3
• Adjustment location: T2
T2 ..............................................................................10.7MHz
5. FM Frequency Range Adjustment
Settings: • Input point TP1
• Test point TP3
• Adjustment location: TC3, L3
TC3................................ 109MHz (EXCEPT EZHC MODEL)
TC3.............................................. 108.3MHz (EZHC MODEL)
L3 ................................... 87MHz (EXCEPT EZHC MODEL)
L3 .................................................87.4MHz (EZHC MODEL)
6. FM Tracking Adjustment
Settings: • Input point TP1
• Test point TP3
• Adjustment location: TC2, L2
TC2.............................................................................. 106MHz
L2 ................................................................................ 90 MHz
Test point TP3
TP3
SP+
SP-
3
45
6
L5
L3
L6
Input point TP1
Input point TP2
TP2
C34
R8
TC4 TC3
TC2
L2
TC1
2
2
3
TP1
ANT1C1
T2
T3
1
MAIN C.B (PARTS SIDE)
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-13-
ELECTRICAL ADJUSTMENT-2/2 (A270 MODEL)
< TUNER SECTION >
1. AM IF Adjustment
Settings: •Test point TP3
•Adjustment location: T3
T3 ................................................................................ 450kHz
2. AM Frequency Range Adjustment
Settings: •Test point TP3
•Adjustment location: TC4, L6
TC4.................................. 1635kHz (EXCEPT UHC MODEL)
TC4.................................................. 1750kHz (UHC MODEL)
L6 ................................................................................ 515kHz
3. AM Tracking Adjustment
Settings: •Test point TP3
•Adjustment location: TC1, L5
TC1.................................. 1400kHz (EXCEPT UHC MODEL)
TC1.................................................. 1500kHz (UHC MODEL)
L5 ................................................................................ 600kHz
4. FM IF Adjustment
Settings: •Input point TP2
•Test point TP3
•Adjustment location: T2
T2 .............................................................................. 10.7MHz
5. FM Frequency Range Adjustment
Settings: •Input point TP1
•Test point TP3
•Adjustment location: TC3, L3
TC3...................................................109MHz (UHC MODEL)
TC3..................................108.3MHz (EZLC, EZHC MODEL)
L3 ......................................................87MHz (UHC MODEL)
L3 .....................................87.4MHz (EZLC, EZHC MODEL)
6. FM Tracking Adjustment
Settings: •Input point TP1
•Test point TP3
•Adjustment location: TC2, L2
TC2.............................................................................. 106MHz
L2 ................................................................................. 90MHz
Test point TP3
SP+
SP-
3
4
5
6
L5
L3
L6
Input point TP1
Input point TP2
TP2
R8
TC4 TC3
TC2
L2
TC1
2
3
TP1
C1
T2
T3
1
TP3
C26
MAIN C.B (PARTS SIDE)
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-15-
FL (LED, DISPLAY 0.9 INCH 12H/24H GREEN) GRID ASSIGNMENT/ANODE CONNECTION-1/1
GRID ASSIGNMENT
ANODE CONNECTION
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-16-
IC BLOCK DIAGRAM-1/1
IC, KA22426D
IC, LM8562
IC, LM8560N
14
AF POWER AMP
15161718192021222324252627
1413121110987654321
AM FE
AM IF AGC
FM IF
FM FE
DISCRIMINATOR
FM
TUNING METER
FM/AM
BAND
SELECT
AM
IF IN
FM
IF IN
NCMETER
IF
GND
AFC
AGC
AFC
AGC
DET
OUT
GND AF
OUT VCC RIPPLE
FILTER AF
IN
FM/AM
FE OUT
FE
RF IN
FM
RF IN
NCAM
RF IN
FM
RF
REG
OUT
FM
OSC
AFC
MUTE FM
DISCRI NF VOL AM
OSC
T
T
T
T
T
T
T
T
MODE
SELECT
TEST
50/60 SEL
12/24 SEL
OSC
INNER
OSC
OSC
STOP
SPEED/
POWER
DOWN
CR OSC
50/60Hz
INPUT
RT-TIME
SET/
DIMMER
TIME SET
INPUT
ALM-DISP
SELECT
SLEEP/
SNOOZE
ON/OFF
INPUT
THREE INPUT
CIRCUIT
ON
OFF
CONTROLCONTROL
OUTPUT
CONTROL
TONE1
TONE2
OSC STOP
SNOOZE
CTR
SLEEP
CTR
SLEEP
TIME CTR
TIME SET
COMPARATOR
ALARM1 CTR
ALARM2 CTR ALARM2
ALARM1
SEC
TIME
SEC CTR GATE
1/2
RESET
1Hz
2Hz
2Hz
PF.
DET BLANK
FLASH
SEGMENT OUTPUTS
OUTPUT DECODER/DRIVER
POWER DOWN
TONE1 TONE2
CTR
GATE
GATE 1/25 or 1/30
SYSTEM CLOCKS
RESET
RESET
RESET
STANDBY
DET
SET CK
DIMMER
SET CK
U/D
U/D
RESET
RESET
SET CK
U/D
SETCK S
RESET S
U/D S
PWR UP
DISPLAY
CONTROL RESET
CONTROL
INPUT
CONTROL
SEO DISP
T.DISP
AL1.DISP
AL2.DISP
SL.DISP
ALM1-OUTPUT
ALM2-OUTPUT
RADIO-OUTPUT
RT-SET
50/60 SELECT
12/24 SELECT
OSC
CONTROL
OUTPUT
CONTROL
SLEEP
CTR
TIME
MIN CTR TIME
HR CTR
COMPARATOR
ALARM
HR CTR
ALARM
MIN CTR
SEC CTR GATE
1/2 1Hz
2Hz PF.
DET BLANK &
FLASH
SEGMENT
OUTPUTS
OUTPUT DECODER/DRIVER
CTR GATE 1/25 or 1/30
STANDBY DET
PWR UP
PWR UP
PWR
UP
DISPLAY
CONTROL RESET
CONTROL
INPUT
CONTROL
SEC DISP
T.DISP
T.RST
AL.RST
AL..DISP
SL.DISP
D
D
D
D
D
D
CR INPUT
50/60 INPUT
50/60Hz
2Hz
50/60Hz
50/60Hz
TONE
MIN SET
HOUR SET
ALARM
DISPLAY
SEC
DISPLAY
SLEEP
INPUT
SNOOZE
INPUT
ALARM
OFF
T.DISP & S.SAMPLE
S.SAMPLE
F.SAMPLE
TIME &
F.SAMPLE
TIME &
F.SAMPLE ALARM &
F.SAMPLE
TIME & S.SAMPLE
SEC RSTYHLD
TONE
SLEEP
OUTPUT
ALARM
OUTPUT
SEC
TIME
ALARM
SLEEP
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-17-
MECHANICAL EXPLODED VIEW-1/1
23
18
11
13
21
18 22
7
FR-A275K
FR-A275HRJ
9
19
20
10
17
PWB
1
3
4
6
22
PLATE,
POINTER
8
5
LCD
14
16
15
AC
D
12
B
E
B
E
SH,SW
SH,SW
F
D
B
BWIRE,FM
ANT BLK
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-18-
REF. NO PART NO. KANRI DESCRIPTION
NO. REF. NO PART NO. KANRI DESCRIPTION
NO.
MECHANICAL PARTS LIST-1/1
1 8B-RUB-006-010 PANEL,FRONT EZ L<FR-A270 EZLC>
1 8B-RUB-005-010 PANEL,FRONT U H
<FR-A270 UHC,FR-A270 EZHC>
1 8B-RUA-003-010 PANEL,FRONT U H
<FR-A275 UHC,FR-A275 KHC,FR-A275 EZHC>
1 8B-RUA-051-010 WINDOW,FRONT HR L<FR-A275 HRJLC>
2 8B-RUE-034-010 FOOT,RUBBER
3 8B-RUA-041-010 CABI,FRONT EZ H<FR-A275 EZHC>
3 8B-RUB-030-010 CABI,FRONT EZ H<FR-A270 EZHC>
3 8B-RUA-042-010 CABI,FRONT HRJL<FR-A275 HRJLC>
3 8B-RUA-039-010 CABI,FRONT K H<FR-A275 KHC>
3 8B-RUB-001-010 CABI,FRONT U H
<FR-A270 UHC,FR-A270 EZLC>
3 8B-RUA-001-010 CABI,FRONT U H<FR-A275 UHC>
4 8B-RUA-013-010 POINTER,DIAL
5 8B-RUA-009-010 BTN,SNOOZE<EXCEPT FR-A270 UHC,
FR-A270 EZLC,FR-A270 EZHC>
5 8B-RUB-008-010 BTN,SNOOZE U H
<FR-A270 UHC,FR-A270 EZLC,FR-A270 EZHC>
6 8B-RUA-054-010 BTN,FUNCTION
7 8B-RUA-008-010 COVER,BATTERY
8 8B-RUA-103-010 GEAR,DIAL
9 8B-RUA-011-010 KNOB,RTRY TUNING
10 8B-RUA-010-010 KNOB,RTRY VOLUME
!
11 8A-RUA-644-010 CORD,AC POWERVDE KENIC<FR-A275 HRJLC>
12 8B-RUA-012-010 HLDR,LED
13 87-A91-017-010 PLUG,CONVERSION JT-0476<FR-A275 HRJLC>
14 8B-RUA-603-010 COIL,AM ANT
15 8B-RUA-101-010 HLDR,BER ANT
16 8B-RUA-102-010 COVER, POWER CORD
17 8B-RUA-613-010 SPKR,57 8OHM 0.5W
!
18 8B-RUA-615-010 PT,EZ 230V W/AC CORD
<EXCEPT FR-A275 UHC,FR-A275 HRJLC,
FR-A270 UHC>
!
18 8B-RUA-616-010 PT,HL 115/230V W/O ACCORD
<FR-A275 HRJLC>
!
18 8B-RUA-614-010 PT,U 120V W/AC CORD
<FR-A275 UHC,FR-A270 UHC>
!
19 8B-RUA-623-010 SW,SL SS-12F16G4
20 8B-RUA-624-010 SW,SL SS-12J01
!
21 87-099-811-010 PLUG,ADPTR CONV(K)<FR-A275 KHC>
22 8B-RUB-003-010 CABI,REAR EZ L
<FR-A270 EZLC,FR-A270 EZHC>
22 8B-RUA-043-010 CABI,REAR HRJL<FR-A275 HRJLC>
22 8B-RUA-040-010 CABI,REAR K H<FR-A275 KHC>
22 8B-RUA-002-010 CABI,REAR U H<FR-A275 UHC,FR-A275 EZHC>
22 8B-RUB-002-010 CABI,REAR U H<FR-A270 UHC>
23 8A-RUA-634-010 SOCKET,2P BATTERY
A 87-751-095-410 VT+2+3-8 W/O SLOT
B 87-751-097-410 VT2+3-12 W/O SLOT
C 87-751-073-410 VT+2+2.6-6 W/O SLOT
D 87-264-529-310 V+1.7-4
E 87-751-095-410 VT2+3-8 W/O SLOT
F 87-B10-368-010 V+2.6-5.5 W/O CR
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-19-
COLOR NAME TABLE
Basic color symbol Color Basic color symbol Color Basic color symbol Color
B Black C Cream D Orange
G Green H Gray L Blue
LT Transparent Blue N Gold P Pink
R Red S Silver ST Titan Silver
T Brown V Violet W White
WT Transparent White Y Yellow YT Transparent Yellow
LM Metallic Blue LL Light Blue GT Transparent Green
LD Dark Blue DT Transparent Orange GM Metallic Green
YM Metallic Yellow DM Metallic Orange PT Transparent Pink
LA Aqua Blue GL Light Green
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2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
H251941 Printed in Singapore
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Other manuals for FR-A270
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1
Table of contents
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