Aiwa FR-AP20W User manual
SERVICE MANUAL
DATA
RADIO RECEIVER
FR-AP20W
FR-AP20
FR-AP21
S/M Code No. 09-017-357-6R1
AU(W)
AEZ(S)
AEZ(S)
REVISION
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-017-357-6T1).
-2-
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES/PACKAGE LIST-1/1
1 8B-RU6-905-010 IB,EZ(EGF)C 20<AP20 AEZSC>
1 8B-RU6-915-010 IB,EZ(EGF)C 21<AP21 AEZSC>
1 8B-RU6-907-010 IB,EZ(PHNCZ)C 20<AP20 AEZSC>
1 8B-RU6-917-010 IB,EZ(PHNCZ)C 21<AP21 AEZSC>
1 8B-RU6-906-010 IB,EZ(SID)C 20<AP20 AEZSC>
1 8B-RU6-916-010 IB,EZ(SID)C 21<AP21 AEZSC>
1 8B-RU6-901-010 IB,YU(3L)C<AP20W AUWC>
!
2 87-B30-494-010 AC ADAPTOR,AC-D607ENC
<EXCEPT AP20W AUWC>
!
2 87-B30-493-010 AC ADAPTOR,AC-D607UNC<AP20W AUWC>
-3-
SPECIFICATIONS
AP20WAU
•
Design and specifications are subject to change without
notice.
AP20AEZ
•
Design and specifications are subject to change without
notice.
AP21AEZ
•
Design and specifications are subject to change without
notice.
-4-
REF. NO PART NO. KANRI DESCRIPTION
NO. REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST-1/2
IC
8B-RU6-601-010 C-IC,LC72341G-9A32
8B-RU7-611-010 IC,KA22425D
TRANSISTOR
89-502-414-010 FET,2SK241Y
86-NFZ-657-080 TR,2SC1923O
S7-855-000-020 TR,PE-8550B
89-341-165-080 CHIP TRANSISTOR 2SC4116GR
87-A30-039-040 C-TR,2SD1383K
87-026-213-010 TR,DTC114YK (0.2W)
89-342-153-080 C-TR,2SC4215O
89-115-864-080 C-TR,2SA1586Y
DIODE
87-070-345-080 DIODE,IN4148
88-CM2-609-010 DIODE,IN4001 B
87-017-408-080 DIODE,RB441Q
S0-100-401-200 ZENER,4.0V-1/2W
MAIN C.B
C40 87-012-273-080 C-CAP,U 820P-50 B
C41 87-012-273-080 C-CAP,U 820P-50 B
C42 87-012-273-080 C-CAP,U 820P-50 B
C43 87-012-273-080 C-CAP,U 820P-50 B
C44 87-012-273-080 C-CAP,U 820P-50 B
C45 87-012-273-080 C-CAP,U 820P-50 B
C46 87-012-273-080 C-CAP,U 820P-50 B
C47 87-012-182-080 C-CAP,U 27P-50 J CH
C48 87-012-182-080 C-CAP,U 27P-50 J CH
C49 87-010-759-080 C-CAP,U, 0.1-25F
C50 87-010-759-080 C-CAP,U, 0.1-25F
C51 87-010-759-080 C-CAP,U, 0.1-25F
C52 87-A10-463-080 C-CAP,U 0.47-10 Z F
C53 87-012-286-080 CAP, U 0.01-25
C54 87-010-759-080 C-CAP,U, 0.1-25F
C55 87-012-283-080 C-CAP,U 5600P-50 K B
C57 87-010-231-080 CPA,E 220-10 KS
C58 87-010-757-080 C-CAP,U 0.047-25 Z F
C59 87-016-472-040 CAP,E 22-16 SME (K)
C60 S7-473-000-5C0 CAP,E 47000 MFD
C61 87-A10-047-080 C-CAP,U 1-10 Z F
C63 87-010-759-080 C-CAP,U, 0.1-25F
C64 87-010-759-080 C-CAP,U, 0.1-25F
C65 87-010-759-080 C-CAP,U, 0.1-25F
C66 87-012-278-080 C-CAP,U 2200P-50 K B
C68 87-012-278-080 C-CAP,U 2200P-50 K B
C69 87-012-278-080 C-CAP,U 2200P-50 K B
C70 87-012-278-080 C-CAP,U 2200P-50 K B
C71 87-012-278-080 C-CAP,U 2200P-50 K B
C72 87-012-278-080 C-CAP,U 2200P-50 K B
C73 87-012-278-080 C-CAP,U 2200P-50 K B
C74 87-012-278-080 C-CAP,U 2200P-50 K B
C75 87-012-278-080 C-CAP,U 2200P-50 K B
C76 87-012-278-080 C-CAP,U 2200P-50 K B
C77 87-012-278-080 C-CAP,U 2200P-50 K B
C78 87-012-278-080 C-CAP,U 2200P-50 K B
C79 87-012-278-080 C-CAP,U 2200P-50 K B
C80 87-012-278-080 C-CAP,U 2200P-50 K B
C81 87-012-278-080 C-CAP,U 2200P-50 K B
C82 87-012-278-080 C-CAP,U 2200P-50 K B
C83 87-A10-047-080 C-CAP,U 1-10 Z F
L7 87-003-152-080 COIL,100UH J LAL02
L10 87-003-152-080 COIL,100UH J LAL02
L11 87-003-152-080 COIL,100UH J LAL02
LCD1 8B-RU6-615-010 LCD,BRU-6
LED1 8B-RU6-616-010 LED,GRN
LED2 8B-RU6-616-010 LED,GRN
LED3 8B-RU6-616-010 LED,GRN
X1 87-A70-187-010 VIB,XTAL 75KHZ CFV206
TUNER C.B
C1 87-A10-574-010 CAP,CER 2200P-50 Z YF<AP20W AUWC>
C2 87-018-109-080 CAP,TC U 22P-50 J SL UP050
C3 87-A10-585-080 CAP,CER 18P-50 J CH
C4 87-A10-175-010 CAP,CER 820P-50 K B<AP20W AUWC>
C5 87-010-983-010 CAP,CER 0.01-500 KB
C6 87-A10-142-010 CAP,CER 33P-50 K CH
C7 87-A10-162-010 CAP,CER 68P-50 KSL<AP21 AEZSC>
C8 87-010-983-010 CAP,CER 0.01-500 KB
C9 87-A10-577-080 CAP,CER 0.022-50 Z YF
C10 87-A11-835-080 CAP,CER 2P-50 J CH
C11 87-A10-164-010 CAP,CER 100P-50 K SL
C12 87-012-348-080 CAP,CER 0.1-50 F
C13 87-010-033-080 CAP,E 10-16
C14 87-010-419-080 CAP,E 4.7-16 5L
C15 87-010-033-080 CAP,E 10-16
C16 87-012-348-080 CAP,CER 0.1-50 F
C17 87-A10-577-080 CAP,CER 0.022-50 Z YF
C18 87-012-348-080 CAP,CER 0.1-50 F
C19 87-010-033-080 CAP,E 10-16
C20 87-010-231-080 CPA,E 220-10 KS
C21 87-010-033-080 CAP,E 10-16
C22 87-010-419-080 CAP,E 4.7-16 5L
C23 87-A11-924-080 CAP,CER 8200P-50 K YB
C25 87-018-121-080 CAP,CER 150P-50V<EXCEPT AP21 AEZSC>
C25 87-012-385-080 CAP,CER 330P-2K K BN DE<AP21 AEZSC>
C26 87-010-221-080 CAP, ELECT 470-10V
C27 87-010-029-080 CAP,E 1-50 BK
C28 S3-224-000-160 CAP,0.22UF-16V<AP21 AEZSC>
C28 87-A10-579-010 CAP,CER 0.1-16 Z YF<EXCEPT AP21 AEZSC>
C29 87-A11-848-080 CAP,CER 24P-50 J CH
C30 87-A11-848-080 CAP,CER 24P-50 J CH<AP20W AUWC>
C30 87-A10-141-010 CAP,CER 27P-50 K CH<EXCEPT AP20W AUWC>
C31 87-A10-840-010 CAP,CER 220P-1K K R LONG<AP21 AEZSC>
C32 87-010-267-080 CAP,E 47-10 105 KM
C33 87-012-348-080 CAP,CER 0.1-50 F
C34 87-012-348-080 CAP,CER 0.1-50 F
C35 87-010-236-080 CAP,E 1000-10 SME
C37 87-010-983-010 CAP,CER 0.01-500 KB
C38 87-010-983-010 CAP,CER 0.01-500 KB<EXCEPT AP21 AEZSC>
C90 87-018-209-080 CAP,TC U 0.1-50 Z F UP050<AP21 AEZSC>
C91 87-012-373-010 CAP,CER 22P-2K<AP20W AUWC>
CF1 87-A91-094-010 FLTR,CDA10.7 MG80A
CF2 87-A90-405-010 FLTR,SFE10.7 MS2-Z
CF3 8B-RT9-613-010 FLTR,SFU455B<AP21 AEZSC>
CF3 87-A91-087-010 FLTR,PFS 450A6 B<EXCEPT AP21 AEZSC>
J1 8B-RU6-613-010 JACK,DC
L1 8B-RU6-605-010 COIL,FM ANT
L3 8B-RU6-606-010 COIL,FM RF
L4 8B-RU6-607-010 COIL,FM OSC
L5 8B-RU6-617-010 BAR-ANT,LW<AP21 AEZSC>
L5 8B-RU6-608-010 BAR-ANT,MW<EXCEPT AP21 AEZSC>
L8 87-003-152-080 COIL,100UH J LAL02
L9 87-003-045-080 CHOKE COIL, 22UH K LAL04
L13 S0-600-200-040 COIL,FM 6T<AP20W AUWC>
PVC1 S3-044-320-010 PVC,DF443DF2-A04<AP20W AUWC>
PVC1 S3-443-020-000 PVC, BF443DF02-A04<EXCEPT AP20W AUWC>
R13 S0-102-250-010 COIL, 220UH LAL02 TB<AP21 AEZSC>
R15 87-003-148-080 COIL,33UH J LAL02<EXCEPT AP21 AEZSC>
SP1 8B-RU6-618-010 SPKR,56 32OHM
SW1 8B-RU6-611-010 SW,SL 3-2
-5-
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.
ELECTRICAL MAIN PARTS LIST-2/2
SW2 8B-RU6-612-010 SW,TACT
SW6 8B-RU6-612-010 SW,TACT
SW7 8B-RU6-612-010 SW,TACT
SW8 8B-RU6-612-010 SW,TACT
SW9 8B-RU6-612-010 SW,TACT
SW10 8B-RU6-612-010 SW,TACT
T1 8B-RU6-609-010 COIL,AM OSC<EXCEPT AP21 AEZSC>
T1 S0-016-770-100 IFT, 1A1677R 10mm RED<AP21 AEZSC>
T2 8B-RU6-610-010 IFT,AM
VR1 8B-RU6-614-010 VR,RTRY 50KB
REF. NO PART NO. KANRI DESCRIPTION
NO.
-6-
BLOCK DIAGRAM-1/1
AM RF
L5 Q1
PVC1D
AM OSC
T1
PVC1C
FM RF
L3
PVC1B
FM OSC
L4
PVC1A
14 12 10 9 8 7 5 4 3
IC2 KA22425
AM/FMTUNER SYSTEM & POWER AMP
15 16 17 23 24 26 27
Q6 Q7
49
53
55
64
1
23
14
13
1611 12 15
IC1
LC72341G
KEY
MATR1X
KEY
MATR1X
SW6~10 SW3~11
Q8
Q10
X1
Q9
Q4
Q3
Q2
T2
C27
C37
CF2
CF3
FM
AM
SW1B C23
9V
FM
ANT
DCJACK
SP1
FM
AM
SW1A
D5
C54 C53
R7
L7
D3
+
+
+
RESET
CLOCK DISPLAY
CPU
4~10
TUNER
POWER
CONTROL
MUTE
CONTROL TUNER
POWER
CONTROL DC6V
SPEAKER
FM IF
AMP
BAND SW
BAND SW
IFT
AM
BEEP LEVEL
CONTROL
BEEP LEVEL
CONTROL
LED1~3
BACK
RIGHT
LED BRIGHT
CONTROL
LED BRIGHT
CONTROL
Q5,DZ1
REGLATOR
SW2
TUNER C.B
2/2 KEY C.B T2
AM IF ADJ
L5, PVC1D L3, PVC1B L4, PVC1A L1, PVC1C
AM Tracking ADJ FM Tracking ADJ FM Fequency Range ADJ AM Fequency Range ADJ
TUNER C.B 1/2MAIN C.B
LCD1
VOLUME
VR1
SIGNAL : AM
: FM
-7-
123456789101112131415
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
WIRING-1/3 (MAIN)
C
BE
C
BE
C
BE
C
BE
CB
E
CB
E
CB
E
11 1
CON1
R70
R54 Q8
LED1~3
BACK RIGHT
Q5 C58
C56
R55 C63
C59
R53
R52
C45
C44
C43
C42
C41
R51
Q10
Q6
C54
C55 C53
R68
Q9
Q7
R5
R19 C65 17 16 1
48 49
64
33
32
C48
X1
C47
C46
C83
C40
R25
R26
R27
R28
R29
R30
R31
R47R48
R49
R50
IC 1
C61 R62
R63
C52
R66
C49
C50
C51
R69
C79
C80
C81
C82
C78
C77
C76
C75
C74
C73
C72
C71
C66
C68
C69
C70
116
R46
R40
R67
R45
R39
R56
R36 R55
15
CON2
KEY C.B
CON2
RESET
TUNER C.B CON1
Lxxx
Cxxx
Dxxx
Dxxx
LEDxxx
Note
(EXCEPT
AP20WAU MODEL)
(AP20WAUW
MODEL)
MAIN C.B (PARTS SIDE)
-8-
123456789101112131415
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
WIRING-2/3 (TUNER)
ALARM
MODE
SET
UP
DOWN
BATTERY
VOLUME
TUNING
BAND
SPEAKER
WEEKEND
ALARM SKIP
DC6V
MAIN C.B CON1.
CON1
111
R6PX4
(LR6X4)
AP21AEZ
MODEL
AP21AEZ
MODEL
AP21AEZ
MODEL
AP21AEZ MODEL
FM
AM
PVC1B
PVC1D
PVC1C PVC1A
PVC1
BAR ANT
L5
1
14 15
28
AP20WAU
MODEL
AP20WAU
MODEL
AP20WAU
MODEL
IC2
BCE
BCE
FM ANT.
TUNER C.B (PARTS SIDE)
Lxxx
Lxxx
Cxxx
Cxxx
Cxxx
Dxxx
Qxxx
Rxxx
E
CC
BB
E
Note
(Black)
1
GSD
+
–
EXCEPT AP21AEZ
MODEL
C7
-9-
123456789101112131415
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
WIRING-3/3 (KEY)
SNOOZE &
LIGHT
MAIN C.B CON2
KEY C.B
(PARTS SIDE) ALARM OFF/
SUMMER TIME SLEEP
RADIO
ON/OFF
1
5
-10-
SCHEMATIC DIAGRAM-1/1
180
(EXCEPT AP21AEZ)
68P
C7 (AP21AEZ)
LCD1 BRU6
1
SKIP
ALARM MODE
REGLATOR
2
3
4
5
6
6
7
7
8
8
9
5
SW6~10
SW, TACT
TUNER C.B 2/2
KEY C.B
Q5
LED
BRIGHT
CONTROL
Q8.10
10 10
T2
AM IF ADJ
Q9
LED1~3
BACK
RIGHT
MUTE CONTROL
450SFB
(EXCEPT AP21 AEZ)
SFU455B (AP21AEZ)
FM IF AMP
BAND
BAND
AM RF AMP
18P
1
13
3
TUNER POWER CONTROL
TUNER POWER CONTROL
4
4
11 11
Q4
R6PX4
(LR6X4)
SPEAKER
DC 6V
SP1
32 ohm 0.75W
AM/FM F/E IF AMP
AM Frequency Range ADJFM Frequency Range ADJFM Tracking ADJAM Tracking ADJ
IC2
16V
0.11 (EXCEPT AP21 AEZ)
0.22 (AP21AEZ)
10U/16V
10U/16V
10U/16V
C27
1U/50V
4.7U/16V
0
(1.3)
0
(0.5)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0.2 (0.2)
0.2 (0.2)
3.2 (3.2)
3.1 (3.1)
0.5 (0.5)
2 (2)
2.7 (2.7)
1.5
(1.5) 1.5
(1.5) 1.5
(1.5) 1.5
(1.5) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 1.3
(1.3) 0
(0)
0 (0)
3
(3)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
1.6
(1.6)
1.5 (1.5)
3
(3)
3
(3)
3
(3)
3
(3)
0.8 (0.8)
0.8 (0.8)
3.3 (3.3)
3.3 (3.3)
3.2 (3.2)
3.2 (3.2)
0
(0) 0
(1.4) 0
(0) 1.3
(1.3) 1.3
(1.3)
1.3
(1.3)
1.3
(1.3) 0
(1.3) 1.3
(0.8) 0.2
(0.2) 3.3
(3.3) 6
(5.3) 0.5
(0.5)
0
(1.3)
0
(0) 0
(0) 0
(0) 0
(0) 0
(0) 3.3
(3.3) 0
(0)
0
(0) 0
(5.9)
0
(0.6)
1.2
(0) 1.3
(0.9)
820P(AP20WAU)
0.1
(AP21AEZ)
FM COIL,6T
(AP20WAU)
FM ANT
22P
JW 22P
(AP20WAU)
0.0022
(AP20WAU)
R13
220µH(AP21AEZ)
180(EXCEPT AP21AEZ)
33µH (EXCEPT AP21AEZ)
5.6k (AP21AEZ)
L5
BAR-ANTLW(AP21AEZ)
BAT_ANTMW(EXCEPT AP21AEZ)
22
ANT
COIL
ASSY
PVC1
FM RF
C30
27P(EXCEPT AP20WAU
24P(AP20WAU)
150P(EXCEPT AP21AEZ)
330P(AP21AEZ)
C31 220P(AP21AEZ)
TI AM OSC(EXCEPT AP21AEZ)
TI LW OSC (AP21AEZ)
L4 FM OSC
24P
820(AP20WAU)
470K
(EXCEPT
AP20WAU) BEEP
LEVEL
CONTROL
Q6. 7
410K(AP20WAU)
CLOCK DISPLAY CPU
47000
/5.5V
T1, PVC1CL4, PVC1AL3, PVC1BL5, PVC1D
TUNER C.B 1/2
MAIN C.B
: AM
: FM
SIGNALVOLTAGE
NO MARK : AM
( ) : FM
IFT-AM
R32
100(AP21AEZ)
LED, GRN
DZ
ZENER
(EXCEPT AP21 AEZ)
-11-
TRANSISOTR ILLUSTRATIN-1/1
ECB
2SC19230
PE-8550B
DSG
2SK241Y
EB
C
2SD1383K
2SA1586Y
2SC4215
2SC4116
DTC114YK
-12-
ELECTRICAL ADJUSTMENT-1/1
L5
PVC1
IC2 23
T2
T1
L3
L4
PVC1A
PVC1BPVC1D
PVC1C
16
1
test point
~
5
4
3
6
TUNER C.B (PARTS SIDE)
< TUNER SECTION >
1. AM IF Adjustment
Settings : • Test point IC2(KA22425D)23PIN
• Adjustment location: T2
T2 ................................................................................ 455kHz
Method : Set to 455kHz and adjust T2 so that the Wave.
2. AM Frequency Range Adjustment(AP20AEZ,AP20WAU
MODEL)
Settings : • Test point IC2(KA22425D)23PIN
• Adjustment location: T1,PVC1C
T1 .......................... 517kHz(AP20AEZ,AP20WAU MODEL)
PVC1C ....................................1635kHz (AP20AEZ MODEL)
PVC1C .................................. 1750kHz (AP20WAU MODEL)
Method : Set to 517kHz and adjust T1 so that the Wave .
Method : Set to 1635kHz,1750kHz and adjust PVC1C so that the
Wave .
3. LW Frequency Range Adjustment(AP21AEZ MODEL)
Settings : • Test point IC2(KA22425D)23PIN
• Adjustment location: T1,PVC1C
T1 ................................................................................ 145kHz
PVC1C ......................................................................... 295kHz
Method : Set to 145kHz and adjust T1 so that the Wave .
Method : Set to 295kHz and adjust PVC1C so that the Wave .
4. AM Tracking Adjustment
Settings : • Test point IC2(KA22425D)23PIN
• Adjustment location: L5,PVC1D
L5 .......................................................600kHz Waveform max
(AP20AEZ,AP20WAU MODEL)
L5 ...................150kHz Waveform max (AP21AEZ MODEL)
PVC1D ..........1400kHz Waveform max (AP20AEZ MODEL)
PVC1D ............285kHz Waveform max (AP21AEZ MODEL)
PVC1D ........ 1500kHz Waveform max (AP20WAU MODEL)
Method : Set to 600kHz,150kHz and adjust L5 so that the Wave
to maximum.
Method : Set to 1400kHz,285kHz,1500kHz and adjust PVC1D so
that the Wave to maximum.
5. FM Frequency Range Adjustment
Settings : • Test point IC2(KA22425D)23PIN
• Adjustment location: L4,PVC1A
L4 ......................... 87.4MHz(AP20AEZ,AP21AEZ MODEL)
L4 ........................................... 87MHz (AP20WAU MODEL)
PVC1A ................ 108.3MHz(AP20AEZ,AP21AEZ MODEL)
PVC1A ................................... 109MHz(AP20WAU MODEL)
Method : Set to 87.4MHz,87MHz and adjust L4 so that the Wave.
Method : Set to 108.3MHz,109MHz and adjust PVC1A so that
the Wave .
6. FM Tracking Adjustment
Settings : • Test point IC2(KA22425D)23PIN
• Adjustment location: L3,PVC1B
L3 ....................................................... 88MHz Waveform max
PVC1B ............................................. 108 MHz Waveform max
Method : Set to 88MHz and adjust L3 so that the Wave to
maximum.
Method : Set to 108MHz and adjust PVC1B so that the Wave to
maximum.
-13-
FL (LCD, BRU-6) GRID ASSIGNMENT/ANODE CONNECTION-1/1
GRID ASSIGNMENT
ANODE CONNECTION
S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1
SM MO TU WE TH FR SA SU
A
FB12 34
G
EC
D
COL
5D
AM
PM
Z2 RA BA SLEEP BT
COM4
COM3
COM2
COM1
PIN 12345678 910111213 141516
CPU S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1
COM4 COM3 COM2 COM1
COM1 SAT Z2 SUN RA BA 2D 5D 3D
SLEEP
–4D BT –––
COM1
COM2 PM 1E 1D 1C 2E 2C 3E 3G 3C 4E 4G 4C ––
COM2 –
COM3 AM 1F 1G 1B 2F 2G COL 3F 3B 4F 4A 4B –
COM3 ––
COM4 SM MO 1A TU WE 2A 2B TH 3A FR SA SU
COM4 –––
-14-
1
2
3-6
7-10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33-44
45-48
49-52
53
54
55
56
57
58
59
60
61
62
63
64
Pin No. Pin Name I/O Description
IC DESCRIPTION-1/1 (LC72341G)-1/1
XOUT
TEST2
PA3-PA0
PB3-PB0
PC3
PC2
PC1
PC0
PD3
PD2
PD1
INT/PD0
PE1
BEEP/PE0
PF2
AD11/PF1
AD11/PF0
VSS1
PG3/S20
PG2/S19
PG1/S18
PG0/S17
PH3/S16
PH2/S15
PH1/S14
PH0/S13
S12-S1
COM4-COM1
DBR4-DBR1
RES
HCTR
VDD
FMIN
AMIN
VSS2
EO
AIN
AOUT
AGND
TEST1
XIN
O
I
I
O
O
O
O
O
O
O
I
I
—
O
I
I
I
—
I
I
—
—
—
—
—
—
O
O
—
I
—
—
—
—
—
—
—
—
—
I
I
Terminal to which external 75 kHz crystal oscillator is connected.
Test terminal. GND connection.(Pull down)
Key input. (Not connected) (Pull down)
Key output.
Dimmer: H output when back light is ON. Or L output.
Light: H output when back light is ON.
ATTN1: Buzzer attenuation output 1.
ATTN2: Buzzer attenuation output 2.
Mute. High output at mute.
Radio: High output at radio power is ON. L output at radio power is OFF.
AC: High input when AC adapter is used. L input when battery is used.(Pull down)
Back up: L input at backup mode. Normally H. (Pull up)
Not used.
Beep: Buzzer sound output.
AD input.(Pull down)
AD input. (For voltage detection) (Pull down)
Power terminal. GND connection.
12/24: 24 hours display at H input. 12 hours display at L input.(Pull down)
KT: H input when kitchen timer function is disabled.(Pull up)
Not used.
LCD segment.
LCD common.
Not used.
Reset. Reset terminal. Forced reset when L is input. (Pull up)
Not used.
Power terminal. VDD connection.
Not used.
Power terminal. GND connection.
Not used.
Test terminal. GND connection.(Pull down)
Terminal to which external 75 kHz crystal oscillator is connected.(Pull down)
-15-
MECHANICAL EXPLODED VIEW-1/1
1
2
3
4
15
PWB
LCD
SPK
PWB
PWB
F
D
D
EC
B
A
G
14
12
11
16
9
8
7
17
18
19
20
21
22
23 24 10
13
5
6
25
25 BAR,ANT
-16-
REF. NO PART NO. KANRI DESCRIPTION
NO. REF. NO PART NO. KANRI DESCRIPTION
NO.
MECHANICAL PARTS LIST-1/1
1 8B-RU6-011-010 WINDOW,DISP EZ<AP20 AEZSC>
1 8B-RU6-012-010 WINDOW,DISP FR<AP21 AEZSC>
1 8B-RU6-004-010 WINDOW,DISP U<AP20W AUWC>
2 8B-RU6-001-010 CABI,FRONT<AP20W AUWC>
2 8B-RU6-016-010 CABI,FRONT EZ<AP20 AEZSC>
2 8B-RU6-017-010 CABI,FRONT FR<AP21 AEZSC>
3 8B-RU6-203-010 HINGE,SNOOZE<AP20W AUWC>
3 8B-RU6-207-010 HINGE,SNOOZE<EXCEPT AP20W AUWC>
4 8B-RU6-006-010 BTN,SNOOZE<AP20W AUWC>
4 8B-RU6-027-010 BTN,SNOOZE EZ<EXCEPT AP20W AUWC>
5 S7-RU5-260-000 RUBBER FOOT
6 8B-RU6-037-010 LCD SHIELD
7 8B-RU6-202-010 REFLECTOR,DISP<AP20W AUWC>
8 8B-RU6-201-010 HLDR,DISP<AP20W AUWC>
9 8B-RU6-038-000 LCD SHIELD(BOTTOM)
10 8B-RU6-005-010 POINTER,
11 8B-RU6-023-010 HLDR,TUN<AP20W AUWC>
11 8B-RU6-205-010 HLDR,TUN<AP20W AUWC>
11 8B-RU6-024-010 HLDR,TUN EZ<EXCEPT AP20W AUWC>
12 8B-RU6-008-010 KNOB,RTRY TUN<AP20W AUWC>
12 8B-RU6-030-010 KNOB,RTRY TUN EZ<EXCEPT AP20W AUWC>
13 8B-RU6-204-010 HLDR,BAR<AP20W AUWC>
14 8B-RU6-009-010 KNOB,SL BAND<AP20W AUWC>
14 8B-RU6-031-010 KNOB,SL BAND EZ<EXCEPT AP20W AUWC>
15 8B-RU6-007-010 BTN,SUN<AP20W AUWC>
15 8B-RU6-025-010 BTN,SUN EZ<EXCEPT AP20W AUWC>
16 8B-RU6-010-010 KNOB,RTRY VOL<AP20W AUWC>
16 8B-RU6-029-010 KNOB,RTRY VOL EZ<EXCEPT AP20W AUWC>
17 86-CM3-207-010 SPEAKER HOLDER
18 SB-RU6-170-000 BATTERY SPRING(-)
19 SB-RU6-190-000 BATTERY SPRING(COMMON)’B’
20 8B-RU6-002-010 CABI,REAR<AP20W AUWC>
20 8B-RU6-020-010 CABI,REAR EZ<AP20 AEZSC>
20 8B-RU6-018-010 CABI,REAR FR<AP21 AEZSC>
21 SB-RU6-160-000 BATTERY SPRING(COMMON)’A’
22 SB-RU6-200-000 BATTERY SPRING(COMMON)”C”
23 8B-RU6-003-010 COVER, BATT<AP20W AUWC>
23 8B-RU6-032-010 COVER, BATT EZ<EXCEPT AP20W AUWC>
24 SB-RU6-180-000 BATTERY SPRING(+)
25 S8-RU5-190-000 PLATE,CONTACT
A 87-741-035-410 UT2+2-6
B 87-353-034-210 VT2+2-5
C 87-351-529-310 SCREW,VT2+1.7-4
D 87-067-271-010 SCREW,VFT2+1.7-4
E 87-261-071-410 V+2.6-4
F 87-265-531-310 SCREW,V+1.7-5
G 87-262-509-310 V+1.4-4 BLK
-17-
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
2–11, IKENOHATA 1–CHOME,TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
H251941
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