Aiwa FRA-251 Service manual

FR-A251

EZ(B,W)

SERVICE MANUAL

RADIO RECEIVER

This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
FR-A251 EZ<B,W>(S/M Code No.09-992-324-1T4)

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S/M Code No. 09-992-324-1R4

REVISION

DATA

SPECIFICATIONS

Power source AC 230 V, 50 Hz
Output 280 mW (EIAJ)
Power consumption 4 W
Speaker 57 mm, 8 ohms
Frequency range FM : 87.5 - 108 MHz

LW : 150 - 285 kHz

Antennas FM wire antenna

Ferrite bar antenna for LW

Dimensions (W x H x D) 124 x 126 x 160 mm

(5 x 5 x 6

Weight 708 g (1.56 lbs.)

• Design and specifications are subject to change without
notice

3

/8 in.)

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ELECTRICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

NO.

IC
S2-516-191-000 IC,CXA1619AS(RF+1F+AUDIO)

87-A21-201-010 IC,LM8560(CLOCK)

TRANSISTOR
S1-71H-003-E00 TR,A1267-Y

DIODE
82-135-799-080 DIODE,1N4148

S1-722-400-100 DIODE,1N4001

MAIN C.B
BA51 S6-45A-011-A00 BATT SNAP TERMI

C7 SE-C47-410-V05 CAP,E 0.47UF-10V
C8 S1-41T-101-0M0 CAP,E 1.0UF-10V
C9 87-015-968-040 CAP,E 4.7UF-10V
C12 87-010-264-010 CAP,E 100UF-10V

C13 87-010-236-080 CAP,E 1000.0UF-10V
C16 87-010-480-080 CAP,E 220UF-16V
C17 87-010-236-080 CAP,E 1000.0UF-10V
C19 87-010-264-010 CAP,E 100UF-10V
C53 87-010-480-080 CAP,E 220UF-16V

• 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.

REF. NO PART NO. KANRI DESCRIPTION

CF1 S3-33A-008-A00 AM C/FILTER SFU450B
CF2 S3-32A-012-A00 FM C/FILTER SFE10.7
L1 S2-10A-067-A00 AM ANT COIL
L4 S2-24A-038-A00 AM OSC COIL
L5 S2-14A-034-A00 CHOKE COIL 47UH TYPE 4-6

LD51 S2-00A-008-A00 LED DISPLAY FTTL-655 SGAN-RG
PVC1 S2-61A-031-A00 PVC(FRA250EZ)
SP1 S3-23A-025-A00 SPAEKER 57P/8 OM 0.5W FER/MAG
SW1 S2-81A-055-A00 SLIDE SW 2C-2P RG 4MM(BAND)
SW51 S2-81A-056-A00 SLIDE SW 2C-4P RG 4MM(POWER)

SW53 S6-42A-065-A00 TACT SW TS114-16
SW54 S6-42A-065-A00 TACT SW TS114-16
SW55 S6-42A-065-A00 TACT SW TS114-16
SW56 S6-42A-065-A00 TACT SW TS114-16
SW57 S6-42A-065-A00 TACT SW TS114-16

SW58 S6-42A-065-A00 TACT SW TS114-16
T1 S2-20A-025-A00 FM IFT 7-7-2 D30045
T2 S2-22A-028-A00 AM IFT 7-7-2 2B467

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TF51 S4-01A-024-A00 POWER TRANS
VR1 S2-56A-015-A00 SEMI V R 50K-B POINT CONTACT

NO.

TRANSISTOR ILLUSTRATION

A1267-A

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SCHEMA TIC DIAGRAM _ 1

MAIN C.B

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