Aiwa FR AP20W Service Manual

FR-AP20W

AU(W)

FR-AP20 FR-AP21

AEZ(S) AEZ(S)

SERVICE MANUAL

RADIO RECEIVER

This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-017-357-6T1).

S/M Code No. 09-017-357-6R1

REVISION

DATA

ACCESSORIES/PACKAGE LIST-1/1

REF. NO PART NO. KANRI DESCRIPTION

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

!

2 87-B30-493-010 AC ADAPTOR,AC-D607UNC<AP20W AUWC>

NO.

-2-

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

.

-3-

ELECTRICAL MAIN PARTS LIST-1/2

REF. NO PART NO. KANRI DESCRIPTION

NO.

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

REF. NO PART NO. KANRI DESCRIPTION

NO.

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

-4-

ELECTRICAL MAIN PARTS LIST-2/2

REF. NO PART NO. KANRI DESCRIPTION

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

NO.

• 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

SW2

RESET

LCD1

49 53 55 64

IC1

LC72341G

CLOCK DISPLAY

CPU

23 14 13

Q6

BEEP LEVEL CONTROL

C54

Q7

BEEP LEVEL CONTROL

C53

T2

IFT AM

TUNER C.B 1/2MAIN C.B

BAND SW

SW1A

R7

CF3

FM

AM

CF2

L5, PVC1D L3, PVC1B L4, PVC1A L1, PVC1C

AM Tracking ADJ

FM

ANT

14 12 10 9 8 7 5 4 3

15 16 17 23 24 26 27

FM IF AMP

AM RF

L5 Q1

PVC1D

AM/FMTUNER SYSTEM & POWER AMP

Q2

FM Tracking ADJ

FM RF

L3

PVC1B

IC2 KA22425

C37

+

C27

FM OSC

PVC1A

FM Fequency Range ADJ AM Fequency Range ADJ

AM OSC

L4

T1

PVC1C

VOLUME

+

VR1

+

SPEAKER

X1

D5

KEY

MATR1X

SW6~10 SW3~11

TUNER C.B

2/2

4~10

1

KEY

MATR1X

KEY C.B

1611 12 15

Q8

LED BRIGHT CONTROL

Q10

LED BRIGHT CONTROL

LED1~3

BACK RIGHT

Q5,DZ1

REGLATOR

T2

AM IF ADJ

BAND SW

SW1B

Q4

TUNER

POWER

CONTROL

FM

AM

MUTE

CONTROL

Q9

C23

Q3

TUNER POWER CONTROL

SP1

D3

DCJACK

DC6V

9V

L7

-6-

SIGNAL : AM

: FM

WIRING-1/3 (MAIN)

123456789101112131415

A

MAIN C.B (PARTS SIDE)

116

C72

C71

33

32

(AP20WAUW MODEL)

17

16

R50

R49

C

Q10

LED1~3 BACK RIGHT

B

B E

Q8

C73

C

R47R48

E

KEY C.B CON2

CON2

15

R45 R67

R39

R56

R36

R55

B

C

E

Q9

B

R68

C

C53

C55

R70

CON1

11

C70

C66

C69

C68

R46

(EXCEPT AP20WAU MODEL)

R40

C65

R19

R5

E

Q7

B

E

C

C54

Q6

R54

1

B E

C74

C75

IC 1

R31

R51

C41

Q5

R30

R29

C40 C83

C76

C42

B

C77

C78

C

C48 R28

C43

E

48

1

R27

R52

R55

C58

49

64

C44

C80

C81

X1

R26

C82

C56

C47

R25

C45

C51

C46

C59

R69

C52 C61

C79

C50 C49

R66

R53

C63

R63

R62

B

C

D

E

F

G

H

I

J

K

L

M

N

TUNER C.B CON1

-7-

Note

LEDxxx

Lxxx

Cxxx

Dxxx

RESET

O

P

Q

R

S

T

U

WIRING-2/3 (TUNER)

123456789101112131415

A

B

TUNER C.B (PARTS SIDE)

L5

BAR ANT

PVC1

PVC1C PVC1A

1

AP21AEZ

AP21AEZ MODEL

FM

AM

VOLUME

(Black)

MODEL

C7

PVC1D

PVC1B

AP21AEZ MODEL

G

SD

TUNING

BAND

AP20WAU MODEL

FM ANT.

C

D

ALARM MODE

E

F

SET

14

1

IC2

15

28

BCE

EXCEPT AP21AEZ MODEL

UP

+

DOWN

–

WEEKEND ALARM SKIP

SPEAKER

G

H

I

J

K

R6PX4 (LR6X4)

BATTERY

AP21AEZ MODEL

CON1

111

Note

MAIN C.B CON1.

Rxxx

Lxxx

Cxxx

Dxxx

CCBBE

Qxxx

DC6V

E

L

M

N

O

P

Q

R

S

T

U

-8-

WIRING-3/3 (KEY)

123456789101112131415

A

B

C

D

RADIO ON/OFF

KEY C.B (PARTS SIDE)

1

5

MAIN C.B CON2

ALARM OFF/ SUMMER TIME

SNOOZE & LIGHT

SLEEP

E

F

G

H

I

J

K

L

M

-9-

N

O

P

Q

R

S

T

U

SCHEMATIC DIAGRAM-1/1

MAIN C.B

LCD1 BRU6

TUNER C.B 1/2

ANT COIL

22

ASSY

68P

C7 (AP21AEZ)

PVC1

FM RF

C30 27P(EXCEPT AP20WAU 24P(AP20WAU)

T1, PVC1CL4, PVC1AL3, PVC1BL5, PVC1D

AM Frequency Range ADJFM Frequency Range ADJFM Tracking ADJAM Tracking ADJ

150P(EXCEPT AP21AEZ) 330P(AP21AEZ)

47000

/5.5V

2.7 (2.7) 2 (2)

0.5 (0.5)

3.1 (3.1)

0 (0)

3.2 (3.2)

0 (0) 0 (0) 0 (0)

0.2 (0.2)

0 (0)

0.2 (0.2)

0 (0) 0 (0)

1.5 (1.5) 0

0

(0)0(1.4)0(0)

24P

0.0022 (AP20WAU)

0

(1.3)0(0)0(0)0(0)0(0)

1.5

1.3

(1.5)

(1.3)

0

(0)

CLOCK DISPLAY CPU

1.6

(1.6)

0

(0)0(0)0(0)0(0)0(0)

3 (3)3(3)3(3)3(3)

1.3

(1.3)

(1.3)0(0)

0

(0)0(0)0(0)0(0)0(0)

0 (0) 0 (0) 0 (0) 0 (0)

0 (0) 0 (0)

3.2 (3.2)

3.2 (3.2) 0 (0)

0.8 (0.8)

3.3 (3.3) 0 (0) 0 (0)

3.3 (3.3)

0 (0)

3

(3)

470K (EXCEPT AP20WAU)

Q6. 7 BEEP

LEVEL CONTROL

410K(AP20WAU)

JW

L5 BAR-ANTLW(AP21AEZ) BAT_ANTMW(EXCEPT AP21AEZ)

22P

18P

FM ANT

FM COIL,6T (AP20WAU)

BAND

33µH (EXCEPT AP21AEZ)

5.6k (AP21AEZ)

AM RF AMP

R13 220µH(AP21AEZ)

R32

180(EXCEPT AP21AEZ)

100(AP21AEZ)

180 (EXCEPT AP21AEZ)

22P (AP20WAU)

(0.5)

(1.3)

820(AP20WAU)

L4 FM OSC

C31 220P(AP21AEZ)

TI AM OSC(EXCEPT AP21AEZ) TI LW OSC (AP21AEZ)

0.1 (AP21AEZ)

1.3

(1.3)

0

1.3

1.3 (1.3)

(1.3)

1.2

1.3

(0)

(0.9)

0.2

1.3

3.3

0.5

(0.2)

(0.8)

(1.3)

(3.3)6(5.3)

(0.5)

0

3.3

0

(0)

(3.3)0(0)

(0)0(5.9)

(0.6)

16V

820P(AP20WAU)

IC2

AM/FM F/E IF AMP

SPEAKER

4.7U/16V

10U/16V

1U/50V

C27

10U/16V

TUNER POWER CONTROL

3

Q4

TUNER POWER CONTROL

0.11 (EXCEPT AP21 AEZ)

0.22 (AP21AEZ)

4 4

11 11

R6PX4 (LR6X4)

DC 6V

SP1 32 ohm 0.75W

IFT-AM

LED, GRN LED1~3

8 7 6

5

3

SKIP

9

Q8.10 LED

BRIGHT CONTROL

6

4

ALARM MODE

BACK RIGHT

10 10

T2

AM IF ADJ

7

1

8

TUNER C.B 2/2

2

SW6~10 SW, TACT

Q5

REGLATOR

DZ ZENER

450SFB (EXCEPT AP21 AEZ) SFU455B (AP21AEZ)

FM IF AMP

(EXCEPT AP21 AEZ)

Q9

MUTE CONTROL

1 1

10U/16V

BAND

KEY C.B

-10-

NO MARK : AM ( ) : FM

SIGNALVOLTAGE

: AM : FM

TRANSISOTR ILLUSTRATIN-1/1

DSG

2SK241Y

ECB

2SC19230 PE-8550B

C

E

B

2SD1383K 2SA1586Y 2SC4215 2SC4116 DTC114YK

-11-

ELECTRICAL ADJUSTMENT-1/1

1

TUNER C.B (PARTS SIDE)

L5

5

PVC1C

PVC1A

PVC1

4

PVC1BPVC1D

3

T1

6

< 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 .

L4

L3

T2

23

IC2

4. AM Tracking Adjustment Settings : • Test point IC2(KA22425D)23PIN

• Adjustment location: L5,PVC1D

L5 .......................................................600kHz Waveform max

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.

~

16

test point

(AP20AEZ,AP20WAU MODEL)

-12-

FL (LCD, BRU-6) GRID ASSIGNMENT/ANODE CONNECTION-1/1 GRID ASSIGNMENT

S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1

SM

EC

AM PM

MO TU WE TH FR SA SU

A

FB12 34

G

D

Z2 RA BA SLEEP BT

COL

5D

COM3

COM2

COM1

COM4

ANODE CONNECTION

PIN 12345678 910111213 141516 CPU S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 COM1 SAT Z2 SUN RA BA 2D 5D 3D

SLEEP

– 4D BT ––– COM2 PM 1E 1D 1C 2E 2C 3E 3G 3C 4E 4G 4C –– COM3 AM 1F 1G 1B 2F 2G COL 3F 3B 4F 4A 4B – COM4 SM MO 1A TU WE 2A 2B TH 3A FR SA SU

COM4 COM3 COM2 COM1

COM1

COM2 –

COM3 ––

COM4 –––

-13-

IC DESCRIPTION-1/1 (LC72341G)-1/1

Pin No. Pin Name I/O Description

1 2

3-6

XOUT TEST2

PA3-PA0

O

Terminal to which external 75 kHz crystal oscillator is connected.

I

Test terminal. GND connection.(Pull down)

I

Key input. (Not connected) (Pull down)

7-10

11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

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

O O O O O O O

—

O

—

— —

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.

I

AC: High input when AC adapter is used. L input when battery is used.(Pull down)

I

Back up: L input at backup mode. Normally H. (Pull up) Not used. Beep: Buzzer sound output.

I

AD input.(Pull down)

I I

AD input. (For voltage detection) (Pull down) Power terminal. GND connection.

I

12/24: 24 hours display at H input. 12 hours display at L input.(Pull down)

I

KT: H input when kitchen timer function is disabled.(Pull up)

29 30 31

32 33-44 45-48 49-52

53

54

55

56

57

58

59

60

61

62

63

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

— — — —

O O

—

— — — — — — — — —

Not used.

LCD segment. LCD common. Not used.

I

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.

I

Test terminal. GND connection.(Pull down)

64

XIN

I

Terminal to which external 75 kHz crystal oscillator is connected.(Pull down)

-14-

MECHANICAL EXPLODED VIEW-1/1

B

15

22

23

21

20

24

A

19

18

SPK

E

PWB

D

17

14

16

F

12

9

PWB

C

G

PWB

25

13

25

BAR,ANT

11

10

4

3

8

2

-15-

7

LCD

6

5

1

MECHANICAL PARTS LIST-1/1

REF. NO PART NO. KANRI DESCRIPTION

NO.

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>

REF. NO PART NO. KANRI DESCRIPTION

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

NO.

-16-

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

-17-

H251941

2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111