Aiwa CR-AS18 YL Service Manual

CR-AS18

YL(S)

SERVICE MANUAL

RADIO RECEIVER

S/M Code No. 09-997-333-5N1

DATA

SPECIFICATIONS

Frequency range FM: 87.5-108 MHz

AM: 530-1,605 kHz Maximum output 160 mV (EIAJ 4 ) Power source DC 3 V using two R6 (size AA) batteries Speaker Diameter 57 mm, 4 Z Maximum dimensions 115.5 (W) x 69 (H) x 30 (D) mm Weight Approx. 138 g, (excluding batteries)

ACCESSORIES LIST

REF. NO PART NO. KANRI DESCRIPTION

NO.

1 S0-302-934-000 INSTRUCTION BOOK(ESP) 2 S0-100-050-000 HAND STRAP(BLK) 3 S2-712-100-128 EARPHONE PLUG 3.5MM MONO

ELECTRICAL MAIN PARTS LIST

IC1

24 1

TC1

TC4 TC2

TC3

SW1

FM AM

ADJUSTMENT

REF. NO PART NO. KANRI DESCRIPTION

NO.

S4-316-190-000 IC,CXA1619AM

DIODE

82-135-799-010 DIODE,1N4148

MAIN C.B C5 87-016-299-080 CAP,E 10-10V

C12 87-010-403-080 CAP,E 3.3-50V C14 87-016-299-080 CAP,E 10-10V C15 87-010-404-080 CAP,E 4.7UF-50V C16 87-016-299-080 CAP,E 10-10V

C18 87-010-400-080 CAP,E 0.47UF-50V C19 87-016-299-080 CAP,E 10-10V C21 87-010-221-080 CAP,E 470UF-10V C23 87-010-562-040 CAP,E 220UF-10V CF1 S1-910-010-300 CER,FIL 450K

REF. NO PART NO. KANRI DESCRIPTION

NO.

CF2 87-008-462-010 CER,FIL SFT10.7MS23H-A CF3 S2-310-010-100 DISCRMINATOR FILTER 10.7MHZ J1 S1-210-015-301 JACK,HP 3.5MM L1 S1-110-013-900 COIL,AIR FM 3-5.5-0.5 L4 87-003-108-010 COIL,0.68UH

L5 S1-110-013-200 COIL,OSC AM 8441A 7ZO-93100 L6 S1-135-100-000 COIL,1.5UH L7 S1-010-012-400 AM BAR ANTENNA SET 10-50 LED1 S5-570-100-100 LED,3.0MM(RED) PVC1 S2-010-011-000 PVC 16.2-16.2-7.5

SW1 S3-101-001-100 SW,SLIDE SKA-12DO1S-G2-NA T1 S1-010-012-000 IFT,AM 7.5-7.5-12.5 VOL1 S2-110-010-202 VOL,ROTARY RV121S-10-012J-B50K

IC BLOCK DIAGRAM

IC, CXA1619AM

PRACTICAL SERVICE FIGURE

1. AM IF Adjustment

T1 ..................................................................... 450 kHz

2. AM Freq. Range Adjustment

L5 ..................................................................... 515 kHz

TC3 ................................................................ 1635 kHz

3. AM Tracking Adjustment

L6 ..................................................................... 600 kHz

TC4 ................................................................ 1400 kHz

4. FM Freq. Range Adjustment

L2 ..................................................................... 87 MHz

TC2 ................................................................ 109 MHz

5. FM Tracking Adjustment

L3 ..................................................................... 90 MHz

TC1 ................................................................ 108 MHz

Sensitivity: FM(IHF, THD 3%) Less than 16 dB

(at 88, 98, 108 MHz)

AM (S/N 10 dB) Less than 51 dB (at 600 kHz)

Less than 47 dB (at 1000 kHz) Less than 46 dB (at 1400 kHz)

Intermediate Frequency:

FM: 10.7 MHz AM: 450 kHZ

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