Page 1
FR-A276
EZ(H)
SERVICE MANUAL
RADIO RECEIVER
S/M Code No. 09-015-356-7N2
DATA
Page 2
ACCESSORIES/PACKAGE LIST-1/1
REF. NO PART NO. KANRI DESCRIPTION
1 8B-RUA-915-010 IB,EZ(EGF)C 276
1 8B-RUA-917-010 IB,EZ(PHNCZ)C 276
1 8B-RUA-916-010 IB,EZ(SID)C 276
NO.
-2-
Page 3
SPECIFICATIONS
Design and specifications are subject to change without
•
notice
.
-3-
Page 4
ELECTRICAL MAIN PARTS LIST-1/1
REF. NO PART NO. KANRI DESCRIPTION
NO.
IC
87-A21-200-010 IC,LM8562
8B-RUA-611-010 IC,KA22426D
TRANSISTOR
89-318-155-010 TR,2SC1815GR
89-110-155-010 TR,2SA1015GR(80MHZ,0.4)
DIODE
87-070-345-080 DIODE,IN4148
87-A40-398-080 DIODE,1N4001
MAIN C.B
C4 87-012-348-080 CAP,CER 0.1-50 F
C5 87-A11-827-080 CAP,CER 22P-50 J RH
C8 87-A10-292-080 CAP,M 5600P-50 J
C10 87-012-348-080 CAP,CER 0.1-50 F
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
C16 87-010-267-080 CAP,E 47-10 105 KM
C18 87-010-391-010 CAP,E 10-35 M SME
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
C25 87-012-348-080 CAP,CER 0.1-50 F
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
REF. NO PART NO. KANRI DESCRIPTION
NO.
C31 87-010-377-010 CAP,E 3300-10 M SME
C32 87-010-235-080 CAP,E 470-16 SME
C33 87-010-391-010 CAP,E 10-35 M SM
C34 87-A11-883-080 CAP,CER 100P-50 J SL
C36 87-012-348-080 CAP,CER 0.1-50 F
C37 87-012-348-080 CAP,CER 0.1-50 F
C42 87-010-805-080 C-CAP,S 1-16 Z F
C43 87-A10-576-080 CAP,CER 0.01-50 Z YF
C44 87-010-545-010 CAP,E 0.22-50 F
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-628-010 COIL,LW OSC
L7 87-003-136-010 COIL,100UH K LAL04
LD1 8B-RUA-622-010 LED,DISPLAY0.9 INCH 24H GREEN
LED1 8B-RUA-601-010 LED,DIA 3 RED
LED2 8B-RUA-601-010 LED,DIA 3 RED
PVC1 8B-RUA-621-010 TUN-CAP,20P-126P-126P 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
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
• 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
Figure
Value of resistor
CJ
CJ
CJ
-4-
Form
L
W
Dimensions (mm)
LW t
1.0 0.5 0.35 104
t
1.6 0.8 0.45
2 1.25 0.45
1.6
0.55
3.2
Resistor Code
108
118
128
: A
: A
Page 5
BLOCK DIAGRAM-1/1
FM-ANT
ROD-ANT
MAIN C.B
L5
AM-ANT
LD1
DISPLAY
14
10
AM FM IF POWER IC
FM RF
AM RF
U1
LM8562
DISPLAY CONTROL
1
CLOCK / DISPLAY
14
DRIVER
21 24
U2 KA22426D
AM/FM
IF+DET
19
20
16
15
27
16
VR1
4 6
Q1,Q2
AUDIO
SWITCH
SW8
RADIO
BUZZER
AUDIO
POWER AMP
3
ALARM BUZZER
POWER
SOURCE
SP
27
2623
AC~
CLOCK
CONTROL KEY
SW2-SW7
CLOCK
BACK-UP
-5-
AC 230V 50Hz
SIGNAL
FM AM
Page 6
WIRING-1/1
101112131415161718192021222324
1234567892526272829303132
MAIN C. B (PARTS SIDE)
TP1
CLOCK SET
UP
TP2
15
R8
16
DOWN
LW
SW1
BAND
C34
1
30
FM
TP3
LW
C42
VR1
VOLUME
15
MAIN C. B (PARTS SIDE)
A
B
LW
C
D
E
F
SP-
30
21
20
19
18
17
16
14
15
SW2
SNOOZE
SP+
G
H
I
J
ƒ
JW
SELECT
50Hz
60Hz
JW
ALARM SET
SLEEP
SW9 D
SW9 C
12/24H
–
–
1+2 12
ALARM
SW9
50/60Hz
JW
No Mount
SW9 A
SW9 B
BUZZER RADIO ONSTAND
POWER
SW8
SW8 A
SW8 D
28
LED2 LED1
BY
1
13
12
10
9
7.8
6
2
1.3
+B -B
P3 P4 P5 P6
K
L
M
(Black)
(Red)
(Black)
(Red)
(Blue)
(Yellow)
(White)
N
O
-
Note
ALARM 1ALARM 2
Cxx
+
P
Q
R
Lxx
S
SP1
CBE
AC230V 50Hz
T
12H
24H
No Mount
JW
–
–
LEDxx
U
-6-
Page 7
SCHEMATIC DIAGRAM-1/1
ANT1
FM ANT
MAIN C.B
T3
AM IF ADJ
LED,DISPLAY 0.9 INCH 24H
ALARM1
DIA3 RED
DIA3 RED
ALARM2
22
DISPLAY
CONTROL
COLON
OUT
MIN AF
SPEED
MIN CD
POWER
RADIO
MIN BG
OUTPUT
ALM-1
10MIN
OUT
MIN
10MIN
ALM-2
CD
OUT
10MIN
BG
10MIN
AF
U1 LM8562
ON/OFF
HRAF
IN
SLEEP
HRCD
SNOOZE
HRBG
MODE
10HRC
SELECT
PM
RF TIM
10HRB
SET
AM
10HRAG
L5,TC1
LW TRA CKING ADJ.
39P
PVC1 TUN-CAP,20P-126P-126P
22
VCC
CR
OSC
ALM
DISP
TIME
SET
50/60
IN
VDD
JW
12/24H
JW
50/60
D12
Hz
0.0056
1N4148
L2,TC2
FM TRACKING ADJ.
TC1 TC2 TC3
1K
30P
FE
FM/AM
GND
IF
BAND
LW
OUT
FM/AM
BAND
SELECT
AM
IF
IN
330
AM IFT 450
PFS450A7
MS239
-A
0.022
330K
220K
POWER
ST ANDBY
BUZZER
ST ANDBY
C8
10K
C42
1
35V
0.1
CLOCK SET
UP
POWER
ALARM SET
L3,TC3
FM FREQUENCY
RANGE ADJ.
NCFM
RF IN
FM
IF
IN
0.01
GNDMETERNC
2SC1815GR
BUZZER
FM
REG
RFAMIN
OUT
AFC
IF
AGC
IF AMP
JW
FM
AFC
OSCAMOSC
AM FM IF POWER IC
U2
DET
AF
AFC
OUT
IN
AGC
470
16V
SK-43D03G6
ALRAM
LW FREQUENCY
RANGEADJ.
C34
100P
C6
390P
2SA1015GR
VOL NF FH
RIPPLE
FILTER
0.1
0.022
ALRAM
SW9D
SK-43D03G6
SW9C
SK-43D03G6
L6,TC4
VOL
REG
GND
DISCRI
AF
OUT
GNDVCC
SK-43D03G6
DC 9V
CN1
SOCKET
2P BATTERY
6F22X1
0.1
TC4
0.01
T2
FM IF ADJ.
IFT FM DES
RTRY 50K-BF-12NPD
0.1
0.1
0.1
0.01
0.01
0.01
33K
VOLUME
82K
8 ohm 0.5w 1/4
PT
6
5
T1
PT,EZ 230V W/AC CORD
Note
1
2
0.1
SPEAKER
AC~
230V 50Hz
0.1
SELECT
JW
50Hz
60Hz
12H
24H
JW
12/24H
–
–
No Mount
JW
50/60Hz
JW
No Mount
–
–
6.8K
0.1
SIGNAL
: AM
: FM
-7-
Page 8
TRANSISTOR ILLUSTRATION-1/1
EBC
2SC1815GR
2SA1015GR
-8-
Page 9
ELECTRICAL ADJUSTMENT-1/1
MAIN C.B (PARTS SIDE)
4
L6
2
TC4
TC1
3
Test point TP2
Input point TP1
TC3
TC2
L2
< TUNER SECTION >
1. AM IF Adjustment
Settings: • Test point TP3
• Adjustment location: T3
T3 ................................................................................ 450kHz
2. LW Frequency Range Adjustment
Settings: • Test point TP3
• Adjustment location: L6, TC4
TC4........................................................................... 295kHz±7
L6 ............................................................................ 145kHz±5
3. LW Tracking Adjustment
Settings: • Test point TP3
• Adjustment location: TC1, L5
TC1............................................................................... 285kHz
L5 ................................................................................ 150kHz
L3
TP1
TP2
R8
T2
TP3
Test point TP3
C26
T3
L5
156
5. FM Frequency Range Adjustment
Settings: • Input point TP1
TC3........................................................... 108.3MHz +0.2/-0.2
L3 ............................................................... 87.3MHz+0.2/-0.1
6. FM Tracking Adjustment
Settings: • Input point TP1
TC2..............................................................................108MHz
L2 ................................................................................. 88MHz
3
• Test point TP3
• Adjustment location: TC3, L3
• Test point TP3
• Adjustment location: TC2, L2
4. FM IF Adjustment
Settings: • Input point TP2
• Test point TP3
• Adjustment location: T2
T2 ....................................................................... 10.7MHz±0.2
-9-
Page 10
VOLTAGE CHART-1/1
(2SA1015GR)
-10-
Page 11
FL (LED, DISPLAY 0.9 INCH 24H GREEN) GRID ASSIGNMENT/ANODE CONNECTION-1/1
GRID ASSIGNMENT
1 30
ANODE CONNECTION
-11-
Page 12
IC BLOCK DIAGRAM-1/1
IC, KA22426D
AF
GND
OUT
28 27 26 25 24 23 22 21 20 19 18 17 16 15
VCC
RIPPLE
FILTERAFIN
DET
OUT
AFC
AGC
AFC
AGC
IF
GND
FM
NCMETER
IF IN
IF IN
BAND
SELECT
FM/AM
AM
IC, LM8562
PWR
VOL
FM/AM IF DET/AGC
TUNING
METER
AM F/E
FM F/E
1 3 4 5 6 7 8 9 10 11 12 13 14
2
NCAM
IN
MODE
SELECT
SPEED
POWER
CR
OSC
50/60
IN
GND
FH
DISCRI
NF
VOL
AM
OSC
AFC
OSC
OUT
RF
FM
REG
FM
26
17
16
25
FM
RF IN
FE
GND
FM/AM
IF OUT
RF TIM
SET
TIME
SET
ALM
DISP
SLEEP
SNOOZE
ON/OFF
IN
27
22
1
~
14
21
24
ALM-1
19
OUT
ALM-2
23
20
18
OUT
RADIO
OUTPUT
-12-
Page 13
MECHANICAL EXPLODED VIEW-1/1
18
7
13
11
B
WIRE,FM
ANT BLK
16
14
SH,SW
LCD
5
E
15
B
12
6
A
D
B
PLATE,
POINTER
B
A
C
8
17
Includedin 18
10
9
PWB
SH,SW
4
3
2
1
2
-13-
Page 14
MECHANICAL PARTS LIST-1/1
REF. NO PART NO. KANRI DESCRIPTION
NO.
1 8B-RUA-052-010 WINDOW,FRONT EZ H
2 8B-RUE-034-010 FOOT,RUBBER
3 8B-RUA-045-010 CABI,FRONT EZF
4 8B-RUA-013-010 POINTER,DIAL
5 8B-RUA-009-010 BTN,SNOOZE
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
REF. NO PART NO. KANRI DESCRIPTION
11 8B-RUA-046-010 CABI,REAR EZF
12 8B-RUA-012-010 HLDR,LED
13 8A-RUA-634-010 SOCKET,2P BATTERY
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
A 87-751-095-410 VT2+3-8 W/O SL
B 87-751-097-410 VT2+3-12 W/O SLOT
C 87-751-073-410 VT2+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 SL
NO.
-14-
Page 15
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 HT Transparent Gray
HM Metallic Gray NH Champagne Gold M Wood Pattern
-15-
Page 16
H251941
2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
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