Aiwa FR-A250 Service Manual
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Aiwa FR-A250 Service Manual

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FR-A250
HRJ(B)
SERVICE MANUAL
RADIO RECEIVER
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
FR-A250 HRJ<B>(S/M Code No.09-992-324-1T3).
S/M Code No. 09-992-324-1R3

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Summary of Contents for Aiwa FR-A250

  • Page 1 FR-A250 HRJ(B) SERVICE MANUAL RADIO RECEIVER This Service Manual is the “Revision Publishing” and replaces “Simple Manual” FR-A250 HRJ<B>(S/M Code No.09-992-324-1T3). S/M Code No. 09-992-324-1R3...

  • Page 2: Specifications

    SPECIFICATIONS Power source AC 110 - 120 V / 220 - 240 V 50 / 60 Hz ,selectable Output 280 mW (EIAJ) Power consumption Speaker 57 mm, 8 ohms Frequency range FM : 87.5 - 108 MHz AM : 530 - 1,605 kHz Antennas FM wire antenna Ferrite bar antenna for AM...

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION S3-32A-012-A00 FM C/FILTER SFE10.7 S2-10A-063-A00 AM ANT COIL S2-516-191-000 IC,CXA1619AS(RF+1F+AUDIO) S2-24A-032-A00 AM OSC COIL 7-7-2 A106 87-A21-201-010 IC,LM8560(CLOCK) S2-14A-034-A00 CHOKE COIL 47UH TYPE 4-6 S2-15A-030-A00 LOADING COIL 4.5P TRANSISTOR...
  • Page 4 SCHEMATIC DIAGRAM _ 1 MAIN C.B...
  • Page 5 WIRING - 1 MAIN C.B PVC1...
  • Page 6 WIRING - 2...

  • Page 7: Ic Block Diagram

    IC BLOCK DIAGRAM IC,LM8562 IC,CXA1619S...

  • Page 8: Transistor Illustration

    TRANSISTOR ILLUSTRATION B C E A1267Y...

  • Page 9: Electrical Adjustment

    ELECTRICAL ADJUSTMENT...

  • Page 10: Practical Service Figure

    PRACTICAL SERVICE FIGURE ELECTRICAL ADJUSTMENT <AM SECTION> 1. AM IF Adjustment Sensitivity Less than 50 dB (600 kHz) Setting : • Test point : TP1, 2(IN), TP8, 9(OUT) (S/N 10dB) Less than 46 dB (1000/1400 kHz) T2 ..... 450 kHz S/N (Input 60dB) Less than 21 dB (600 kHz) Less than 24 dB (1000/1400kHz)

  • Page 11: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW - 1/1 SPEC LABEL SCREW SPEAKER POWER CORD ADAPOR POWER CORD<U> VOLTAGE SELECTOR SCREW SCREW PLATE...

  • Page 12: Mechanical Parts List

    MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 1 S6-73A-032-A00 CAB,TOP(FRA250) 2 S6-74A-043-A00 CAB,BOTTOM(FRA250LH) 3 S6-87A-077-A00 DIAL LENS(FRA250LH) 4 S6-97A-011-A00 COVER BATTERY(FRA250) 5 S6-12A-050-A00 BRACKET LED(FRA250) 6 S7-08A-045-A00 TUNING KNOB(D-GRY) 7 S7-08A-055-A00 VOLUME KNOB 8 S7-01A-021-A00 DIAL POINTER(FRA250) 9 S7-08A-065-A00 POWER KNOB 10 S7-08A-075-A00...

  • Page 13: Accessories List

    ACCESSORIES LIST REF. NO PART NO. KANRI DESCRIPTION 1 S8-00A-263-A00 INSTRUCTION BOOK(FRA250LH) 2 S9-50A-001-A00 AC PLUG ADAPTOR...
  • Page 14 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 931196...

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