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SERVICE MANUAL

RADIO RECEIVER
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-017-357-6T1).
FR-AP20W
FR-AP20
FR-AP21
S/M Code No. 09-017-357-6R1
AU(W)
AEZ(S)
AEZ(S)

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Summary of Contents for Aiwa FR-AP20W

  • Page 1: Service Manual

    FR-AP20W AU(W) FR-AP20 AEZ(S) FR-AP21 AEZ(S) SERVICE MANUAL RADIO RECEIVER This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-017-357-6T1). S/M Code No. 09-017-357-6R1...
  • Page 2 ACCESSORIES/PACKAGE LIST-1/1 REF. NO PART NO. KANRI DESCRIPTION 1 8B-RU6-905-010 IB,EZ(EGF)C 20<AP20 AEZSC> 1 8B-RU6-915-010 IB,EZ(EGF)C 21<AP21 AEZSC> 1 8B-RU6-907-010 IB,EZ(PHNCZ)C 20<AP20 AEZSC> 1 8B-RU6-917-010 IB,EZ(PHNCZ)C 21<AP21 AEZSC> 1 8B-RU6-906-010 IB,EZ(SID)C 20<AP20 AEZSC> 1 8B-RU6-916-010 IB,EZ(SID)C 21<AP21 AEZSC> 1 8B-RU6-901-010 IB,YU(3L)C<AP20W AUWC>...
  • Page 3: Specifications

    SPECIFICATIONS AP20WAU AP20AEZ • • Design and specifications are subject to change without Design and specifications are subject to change without notice notice AP21AEZ • Design and specifications are subject to change without notice...
  • Page 4 ELECTRICAL MAIN PARTS LIST-1/2 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION LED1 8B-RU6-616-010 LED,GRN LED2 8B-RU6-616-010 LED,GRN 8B-RU6-601-010 C-IC,LC72341G-9A32 LED3 8B-RU6-616-010 LED,GRN 8B-RU7-611-010 IC,KA22425D 87-A70-187-010 VIB,XTAL 75KHZ CFV206 TRANSISTOR TUNER C.B 89-502-414-010 FET,2SK241Y 87-A10-574-010 CAP,CER 2200P-50 Z YF<AP20W AUWC> 86-NFZ-657-080 TR,2SC1923O 87-018-109-080...
  • Page 5 ELECTRICAL MAIN PARTS LIST-2/2 REF. NO PART NO. KANRI DESCRIPTION 8B-RU6-612-010 SW,TACT 8B-RU6-612-010 SW,TACT 8B-RU6-612-010 SW,TACT 8B-RU6-612-010 SW,TACT 8B-RU6-612-010 SW,TACT SW10 8B-RU6-612-010 SW,TACT 8B-RU6-609-010 COIL,AM OSC<EXCEPT AP21 AEZSC> S0-016-770-100 IFT, 1A1677R 10mm RED<AP21 AEZSC> 8B-RU6-610-010 IFT,AM 8B-RU6-614-010 VR,RTRY 50KB • 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.
  • Page 6 BLOCK DIAGRAM-1/1 MAIN C.B TUNER C.B 1/2 L5, PVC1D L3, PVC1B L4, PVC1A L1, PVC1C AM Tracking ADJ FM Fequency Range ADJ AM Fequency Range ADJ FM Tracking ADJ LCD1 AM RF FM RF FM OSC AM OSC BEEP LEVEL BEEP LEVEL L5 Q1 VOLUME...
  • Page 7 WIRING-1/3 (MAIN) MAIN C.B (PARTS SIDE) CON2 (EXCEPT AP20WAU MODEL) KEY C.B CON2 (AP20WAUW MODEL) IC 1 LED1~3 BACK RIGHT CON1 RESET TUNER C.B CON1 Note Lxxx Cxxx Dxxx Dxxx LEDxxx...
  • Page 8 WIRING-2/3 (TUNER) FM ANT. TUNER C.B (PARTS SIDE) ALARM MODE BAR ANT AP20WAU PVC1 MODEL AP20WAU PVC1C PVC1A MODEL (Black) TUNING EXCEPT AP21AEZ AP20WAU MODEL MODEL B C E PVC1B PVC1D AP21AEZ MODEL G S D AP21AEZ MODEL BAND DOWN –...
  • Page 9 WIRING-3/3 (KEY) KEY C.B ALARM OFF/ (PARTS SIDE) SLEEP SUMMER TIME RADIO ON/OFF SNOOZE & LIGHT MAIN C.B CON2...
  • Page 10 SCHEMATIC DIAGRAM-1/1 LCD1 BRU6 MAIN C.B L5, PVC1D L3, PVC1B L4, PVC1A T1, PVC1C AM Tracking ADJ FM Tracking ADJ FM Frequency Range ADJ AM Frequency Range ADJ TUNER C.B 1/2 PVC1 150P(EXCEPT AP21AEZ) 330P(AP21AEZ) 27P(EXCEPT AP20WAU 24P(AP20WAU) COIL FM RF ASSY (1.5) (1.5)
  • Page 11 TRANSISOTR ILLUSTRATIN-1/1 E C B D S G 2SD1383K 2SK241Y 2SC19230 2SA1586Y PE-8550B 2SC4215 2SC4116 DTC114YK -11-...
  • Page 12: Tuner Section

    ELECTRICAL ADJUSTMENT-1/1 TUNER C.B (PARTS SIDE) PVC1C PVC1A PVC1 PVC1D PVC1B test point < TUNER SECTION > 1. AM IF Adjustment 4. AM Tracking Adjustment Settings : • Test point IC2(KA22425D)23PIN Settings : • Test point IC2(KA22425D)23PIN • Adjustment location: L5,PVC1D •...
  • Page 13: Anode Connection

    FL (LCD, BRU-6) GRID ASSIGNMENT/ANODE CONNECTION-1/1 GRID ASSIGNMENT S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 SLEEP COM3 COM1 COM4 COM2 ANODE CONNECTION S12 S11 S10 S9 S1 COM4 COM3 COM2 COM1 COM1 SAT Z2 SUN RA BA 2D –...
  • Page 14 IC DESCRIPTION-1/1 (LC72341G)-1/1 Pin No. Pin Name Description XOUT Terminal to which external 75 kHz crystal oscillator is connected. TEST2 Test terminal. GND connection.(Pull down) PA3-PA0 Key input. (Not connected) (Pull down) 7-10 PB3-PB0 Key output. Dimmer: H output when back light is ON. Or L output. Light: H output when back light is ON.
  • Page 15 MECHANICAL EXPLODED VIEW-1/1 BAR,ANT -15-...
  • Page 16 MECHANICAL PARTS LIST-1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8B-RU6-011-010 WINDOW,DISP EZ<AP20 AEZSC> 15 8B-RU6-025-010 BTN,SUN EZ<EXCEPT AP20W AUWC> 1 8B-RU6-012-010 WINDOW,DISP FR<AP21 AEZSC> 16 8B-RU6-010-010 KNOB,RTRY VOL<AP20W AUWC> 1 8B-RU6-004-010 WINDOW,DISP U<AP20W AUWC> 16 8B-RU6-029-010 KNOB,RTRY VOL EZ<EXCEPT AP20W AUWC>...
  • Page 17: Color Name Table

    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 Light Blue Transparent Green Dark Blue Transparent Orange...
  • Page 18 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 H251941...

This manual is also suitable for:

Fr-ap20Fr-ap21Ap20wauAp20aezAp21aez

Table of Contents