Aiwa CRAS-24 Service manual

CR-AS24

YZ(S)

SERVICE MANUAL

RADIO RECEIVER

• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
of CR-AS24 <YZ(S)>, (S/M Code No. 09-023-457-5T1).

S/M Code No. 09-024-457-5R1

REVISION

DATA

SPECIFICATIONS

Frequency range: FM: 87.5 - 108 MHz

Maximum output: 160 mW (EIAJ 4
Power source: DC 3 V using two R6 (size AA) batteries
Speaker: Diameter 57 mm, 4 Ω
Maximum dimensions: 67.6 (W) x 114.7 (H) x 28.6 (D) mm (excluding projecting parts and controls)
Weight: Approx. 133 g (excluding batteries)

• Design and specifications are subject to change without notice.

AM: 530 - 1,605 kHz

Ω)

– 2 –

ELECTRICAL PARTS LIST

! = ! SAFETY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CR-AS24
YZBSC
MAIN O C 0001 87-012-188-080 CHIP C CAP 47PF 50V +/-10% (1 a
MAIN X C 0002 S8-056-250-500 CHIP CAP 25PF 50V +/-10% (160 a
MAIN O C 0003 87-012-188-080 CHIP C CAP 47PF 50V +/-10% (1 a
MAIN O C 0004 87-A10-801-080 C-CAP S CER 0.022UF 16V +/-10 a
MAIN O C 0005 87-A10-468-080 ELECT CAPACITOR 10UF 10V +/-2 a
MAIN O C 0006 87-012-167-080 C-CAP 5PF 50V +/-0.25P NPO 16 a
MAIN O C 0007 87-012-180-080 C-CAP 22P 50V +/-5% NPO 1608 a
MAIN O C 0008 87-012-182-080 CHIP CAP NPO 27PF 50V +/-5% ( a
MAIN O C 0009 87-012-168-080 CHIP C CAP 6PF 50V +/-0.25PF a
MAIN O C 0010 87-012-164-080 CHIP C.CAP 2PF 50V +/-0.25PF a

MAIN O C 0012 87-010-403-080 ELECT.CAPACITOR 3.3UF 50V +/- a
MAIN X C 0013 S8-036-103-500 CHIP C-CAP S 0.01UF 16V +/-10 a
MAIN O C 0014 87-A10-468-080 ELECT CAPACITOR 10UF 10V +/-2 a
MAIN O C 0015 87-010-404-080 ELECT CAPACITOR 4.7UF 50V +/- a
MAIN O C 0016 87-A10-468-080 ELECT CAPACITOR 10UF 10V +/-2 a
MAIN O C 0017 87-A10-801-080 C-CAP S CER 0.022UF 16V +/-10 a
MAIN O C 0018 87-010-400-080 ELECT.CAPACITOR 0.47UF 50V +/ a
MAIN O C 0019 87-A10-468-080 ELECT CAPACITOR 10UF 10V +/-2 a
MAIN X C 0020 S5-140-104-400 CERAMIC CAPACITOR 0.1UF 25V + a
MAIN O C 0021 87-010-221-080 ELECT CAP 470UF 10V +/-20% (6 a

CR-AS24
YZBSC
MAIN O C 0022 87-016-453-080 CHIP C-CAP 0.1UF 16V +80% -20 a
MAIN O C 0023 87-010-221-080 ELECT CAP 470UF 10V +/-20% (6 a
MAIN X C 0024 S8-036-103-500 CHIP C-CAP S 0.01UF 16V +/-10 a
MAIN O C 0025 87-A10-801-080 C-CAP S CER 0.022UF 16V +/-10 a
MAIN X C 0026 S8-036-103-500 CHIP C-CAP S 0.01UF 16V +/-10 a
MAIN O CF 0001 S1-910-010-300 CERAMIC FILTER 450KHZ SFU450B a
MAIN O CF 0002 S2-310-011-700 CERAMIC FILTER 10.7MHZ MA5-A a
MAIN O CF 0003 S2-310-010-100 DISCRMINATOR FILTER CDA10.7MH a
MAIN S D 0001 82-135-799-010 DIODE IN4148-US-T (TAPE TYPE a
MAIN S D 0002 82-135-799-010 DIODE IN4148-US-T (TAPE TYPE a

MAIN O HP 0001 S1-210-011-500 DIA3.5 STEREO JACK TC38-010 a
MAIN S IC 0001 S2-522-426-000 IC KA22426D a
MAIN O L 0001 8B-RT9-601-010 FM SPRING COIL DIA 3.5x4.5Tx0 a
MAIN O L 0002 S1-110-020-000 FM SPRING COIL DIA3.5x3.5Tx0. a
MAIN O L 0003 8B-RT9-601-010 FM SPRING COIL DIA 3.5x4.5Tx0 a
MAIN O L 0005 S1-110-013-200 AM OSC COIL 8441A 7ZO-93100 ( a
MAIN O L 0006 S1-110-100-121 AM BAR ANTENNA SET 10x50MM (A a
MAIN O L 0009 S2-810-010-600 AXIAL LEAD INDUCTOR 1.5uH 1/8 a
MAIN O LED0001 S5-570-100-100 DIA3.0MM LED LAMP (RED) 202HD a
MAIN X PVC0001 S2-010-015-500 PVC AM/FM FC-22125-4N000-0 a

CR-AS24
YZBSC
MAIN O R 0001 88-118-153-080 CHIP RESISTOR 15K OHM 1/10W + a
MAIN X R 0002 88-118-122-080 CHIP RESISTOR 1.2K OHM 1/10W a
MAIN O R 0003 88-118-331-080 CHIP RESISTOR 330 OHM 1/10W + a
MAIN O R 0004 88-118-102-080 CHIP RESISTOR 1K OHM 1/10W a
MAIN O R 0005 88-118-472-080 CHIP RESISTER 4.7K OHM 1/10W a
MAIN O R 0006 88-121-104-080 CARBON FILM RESISTOR 100K OHM a
MAIN X R 0007 88-118-220-080 CHIP RESISTOR 22 OHM 1/10W +/ a
MAIN X R 0008 88-118-152-080 CHIP RESISTOR 1.5K OHM 1/10W a
MAIN X R 0009 88-118-221-080 CHIP RESISTOR 220 OHM 1/10W + a
MAIN X R 0010 88-118-151-080 CHIP RESISTOR 150 OHM 1/10W + a

MAIN O R 0011 88-118-102-080 CHIP RESISTOR 1K OHM 1/10W a
MAIN O SW 0001 S3-112-005-000 SLIDE SWITCH SKA-12D01S-G4-NA a
MAIN O T 0001 S1-007-000-600 AM IFT 7.8X7.8X12.5MM (WHITE) a
MAIN O VR 0001 S1-050-311-200 ROTARY VOL R121S-10-1.5F-A50K a
MAIN X W 0001 S2-021-001-100 UL-1007 STRANDED AWG#30 100MM a
MAIN X W 0002 S2-040-901-100 UL-1007 STRANDED AWG#30 L=90M a
MAIN X W 0003 S2-010-501-100 UL-1007 STRANDED AWG#30 50MM a
MAIN X W 0004 S2-020-301-100 UL-1007 STRANDED AWG#30 30MM a
MAIN X W 0005 S2-001-101-100 UL-1007 STRANDED AWG#30 110MM a
MAIN X W 0006 S2-090-401-100 UL-1007 STRANDED AWG#30 40MM a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

– 3 –

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

– 4 –

WIRING (MAIN) <1 / 2>

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

A

MAIN C.B (COMPONENT SIDE)

B

PVC1

TUNE

B-

B+

TC3

TC4

5

3

C20

C5

L9

A

PVC1

VC1C

VC10

L5

1

C12

2

C19

JP6

C21

SP-

TC1

VC1A

VC1B

TC2

CF3

C18

L3

C16

JP3

L2

R6

C15

D1

CF2

L10

L1

C14

JP5

D2

JP1

1

C23

B

T1

5

2

3

JP8

3

4

JP4

SP+

2

JP7

CF1

ANT

1

JP2

SW1

2

3

4
5

HP1

3
2

1

VR1

1

VR1

VOL

SW1

FM

AM

HP1

NOTE :

JPX

DX

LX

LXX

LXX

RX

CXX

CXX

CXX

CFX

CFX

CFX

C

D

E

F

G

H

I

+

+

J

K

L

M

N

O

P

Q

R

S

– 5 –

T

U