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Summary of Contents for Aiwa FR-A251
- Page 1 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). S/M Code No. 09-992-324-1R4...
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Page 2: Specifications
SPECIFICATIONS Power source AC 230 V, 50 Hz Output 280 mW (EIAJ) Power consumption 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 in.) -
Page 3: Electrical Main Parts List
ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION S3-33A-008-A00 AM C/FILTER SFU450B S3-32A-012-A00 FM C/FILTER SFE10.7 S2-516-191-000 IC,CXA1619AS(RF+1F+AUDIO) S2-10A-067-A00 AM ANT COIL 87-A21-201-010 IC,LM8560(CLOCK) S2-24A-038-A00 AM OSC COIL S2-14A-034-A00 CHOKE COIL 47UH TYPE 4-6 TRANSISTOR LD51 S2-00A-008-A00... - Page 4 SCHEMATIC DIAGRAM _ 1 MAIN C.B...
- Page 5 WIRING - 1 MAIN C.B PVC1 LW ANT...
- Page 6 WIRING - 2...
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Page 7: Electrical Adjustment
ELECTRICAL ADJUSTMENT... -
Page 8: Practical Service Figure
PRACTICAL SERVICE FIGURE ELECTRICAL ADJUSTMENT <LW SECTION> 1. LW IF Adjustment Sensitivity Less than 60 dB (150 kHz) Setting : • Test point : TP1, 2(IN), TP8, 9(OUT) (S/N 10dB) Less than 58 dB (200/285 kHz) T2 ..... 450 kHz S/N (Input 70dB) Less than 15 dB (150/200/285 kHz) Distortion... -
Page 9: Ic Block Diagram
IC BLOCK DIAGRAM IC,LM8560 IC,CXA1619S... -
Page 10: Mechanical Exploded View
MECHANICAL EXPLODED VIEW - 1/1 SPEC LABEL SCREW SPEAKER POWER CORD SCREW SCREW PLATE... -
Page 11: Mechanical Parts List
MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 1 S6-73A-041-A00 TOP CABINET<251EZ<W>> 1 S6-73A-040-A00 TOP CABINET<251EZ<B>> 2 S6-74A-048-A00 BOTTOM CABINET<251EZ<B>> 2 S6-74A-049-A00 BOTTOM CABINET<251EZ<W>> 3 S6-87A-085-A00 DIAL LENS 4 S6-87A-016-A00 BATTERY COVER<251EZ<W>> 4 S6-97A-011-A00 COVER BATTERY<251EZ<B>> 5 S6-12A-050-A00 BRACKET LED 6 S7-08A-052-A00 TUNING KNOB<251EZ<W>>... -
Page 12: Accessories List
ACCESSORIES LIST REF. NO PART NO. KANRI DESCRIPTION 1 S8-00A-275-A00 INSTRUCTION BOOK(A) 1 S8-00A-276-A00 INSTRUCTION BOOK(B) 1 S8-00A-277-A00 INSTRUCTION BOOK(C) - Page 13 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 931196...
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