Aiwa FR-A270 Service Manual
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Aiwa FR-A270 Service Manual

Aiwa FR-A270 Service Manual

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All manuals and user guides at all-guides.com
FR-A270
U(H),EZ(L,H)
FR-A275
U(H),HRJ(L),K(H)
EZ(H)

SERVICE MANUAL

RADIO RECEIVER
S/M Code No. 09-015-356-7N1

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Summary of Contents for Aiwa FR-A270

  • Page 1: Service Manual

    All manuals and user guides at all-guides.com FR-A270 U(H),EZ(L,H) FR-A275 U(H),HRJ(L),K(H) EZ(H) SERVICE MANUAL RADIO RECEIVER S/M Code No. 09-015-356-7N1...
  • Page 2 All manuals and user guides at all-guides.com ACCESSORIES/PACKAGE LIST-1/1 REF. NO PART NO. KANRI DESCRIPTION 1 8B-RUB-905-010 IB,EZ(EGF)C 270<A270 EZLC,A270 EZHC> 1 8B-RUA-905-010 IB,EZ(EGF)C 275<A275 EZHC> 1 8B-RUB-907-010 IB,EZ(PHNCZ)C 270<A270 EZLC,A270 EZHC> 1 8B-RUA-907-010 IB,EZ(PHNCZ)C 275<A275 EZHC> 1 8B-RUB-906-010 IB,EZ(SID)C 270<A270 EZLC,A270 EZHC> 1 8B-RUA-906-010 IB,EZ(SID)C 275<A275 EZHC>...

  • Page 3: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS FRA270U MODEL FRA270EZ MODEL • • Design and specifications are subject to change without Design and specifications are subject to change without notice notice FRA275U MODEL FRA275HRJ MODEL • • Design and specifications are subject to change without Design and specifications are subject to change without notice notice...
  • Page 4 All manuals and user guides at all-guides.com ELECTRICAL MAIN PARTS LIST-1/2 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 87-010-391-010 CAP,E 10-35 M SM 87-012-348-080 CAP,CER 0.1-50 F 87-A21-200-010 IC LM8562 87-A10-576-080 CAP,CER 0.01-50 Z YF <EXCEPT A270 UHC,A270 EZLC,A270 EZHC>...

  • Page 5: Chip Resistor Part Code

    All manuals and user guides at all-guides.com ELECTRICAL MAIN PARTS LIST-2/2 • 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. CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure...
  • Page 6 All manuals and user guides at all-guides.com BLOCK DIAGRAM-1/1 FM-ANT ROD-ANT MAIN C.B U2 KA22426D AM FM IF POWER IC FM RF AM/FM AUDIO AM RF IF+DET POWER AMP Q1,Q2 LM8562 (A275 MODEL) LM8560 (A270 MODEL) AM-ANT AUDIO SWITCH DISPLAY CONTROL A275 MODEL HRJLC MODEL SW11...
  • Page 7 All manuals and user guides at all-guides.com WIRING-1/2 (A275 MODEL) BAND MAIN C. B (PARTS SIDE) VOLUME (BLK) (BLK) (RED) SNOOZE DOWN SW8A SW9D SW9A SW8B SW9C SW9B Note ALARM2 ALARM1 MODEL STAND 12/24H 50/60Hz SELECT BUZZER RADIO – 50Hz EXCEPT –...
  • Page 8 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM-1/2 (A275 MODEL) ANT1 FM ANT L5,TC1 L2,TC2 L3,TC3 L6,TC4 MAIN C.B AM TRACKING ADJ FM TRACKING ADJ FM FREQUENCY AM FREQUENCY FM IF ADJ RANGEADJ RANGEADJ IFT FM DES 1015GR PVC1 TUN-CAP,20P-160P-82P (UHC MODEL) C7 30P KHC, HRJLC, EHC MODEL TUN-CAP,20P-126P-126P (KHC,HRJLC,EZHC MODEL) 27P UHC MODEL...
  • Page 9 All manuals and user guides at all-guides.com WIRING-2/2 (A270 MODEL) BAND MAIN C. B (PARTS SIDE) VOLUME (BLK) (BLK) CLOCK SET (RED) DOWN SNOOZE ALARM SET SLEEP ALARM SW8A SW8B Note STAND BUZZER RADIO 12/24 50/60 SELECT 50Hz – POWER 60Hz –...
  • Page 10 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM-2/2 (A270 MODEL) ANT1 FM-ANT L5,TC1 L2,TC2 L3,TC3 L6,TC4 MAIN C.B AM TRACKING ADJ FM TRACKING ADJ FM FREQUENCY AM FREQUENCY FM IF ADJ RANGE ADJ RANGE ADJ 1015GR VOLUME PVC1 TUN-CAP,20P-160P-82P (UHC MODEL) C7 27P (UHC MODEL) VR,RTRY 50K-BF-12NPD TUN-CAP,20P-126P-126P (EZLC,EZHC MODEL)
  • Page 11 All manuals and user guides at all-guides.com TRANSISTOR ILLUSTRATION-1/1 E B C 2SC1815GR 1015GR -11-...
  • Page 12 All manuals and user guides at all-guides.com ELECTRICAL ADJUSTMENT-1/2 (A275 MODEL) MAIN C.B (PARTS SIDE) Test point TP3 Input point TP2 Input point TP1 ANT1 C1 < TUNER SECTION > 1. AM IF Adjustment 5. FM Frequency Range Adjustment Settings: •...
  • Page 13 All manuals and user guides at all-guides.com ELECTRICAL ADJUSTMENT-2/2 (A270 MODEL) MAIN C.B (PARTS SIDE) Test point TP3 Input point TP2 Input point TP1 < TUNER SECTION > 1. AM IF Adjustment 4. FM IF Adjustment Settings: • Test point TP3 Settings: •...
  • Page 14 All manuals and user guides at all-guides.com VOLTAGE CHART-1/1 -14-...

  • Page 15: Anode Connection

    All manuals and user guides at all-guides.com FL (LED, DISPLAY 0.9 INCH 12H/24H GREEN) GRID ASSIGNMENT/ANODE CONNECTION-1/1 GRID ASSIGNMENT ANODE CONNECTION -15-...
  • Page 16 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM-1/1 IC, KA22426D FM/AM RIPPLE BAND SELECT FILTER METER IF IN IF IN AM IF AGC TUNING METER AM FE FM IF AF POWER AMP DISCRIMINATOR FM FE FM/AM MUTE DISCRI RF IN RF IN RF IN...
  • Page 17 All manuals and user guides at all-guides.com MECHANICAL EXPLODED VIEW-1/1 FR-A275K WIRE,FM ANT BLK SH,SW FR-A275HRJ SH,SW PLATE, POINTER -17-...
  • Page 18 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8B-RUB-006-010 PANEL,FRONT EZ L<FR-A270 EZLC> 15 8B-RUA-101-010 HLDR,BER ANT 1 8B-RUB-005-010 PANEL,FRONT U H 16 8B-RUA-102-010 COVER, POWER CORD <FR-A270 UHC,FR-A270 EZHC> 17 8B-RUA-613-010 SPKR,57 8OHM 0.5W...

  • Page 19: Color Name Table

    All manuals and user guides at all-guides.com COLOR NAME TABLE Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue...
  • Page 20 All manuals and user guides at all-guides.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 H251941 Printed in Singapore...

This manual is also suitable for:

Fr-a275

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