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Aiwa AP20AEZ Service Manual Download Page 6

-6-

BLOCK DIAGRAM-1/1

AM RF

L5 Q1

PVC1D

AM OSC

T1

PVC1C

FM RF

L3

PVC1B

FM OSC

L4

PVC1A

14

12

10

9

8

7

5

4

3

IC2 KA22425

AM/FM TUNER SYSTEM & POWER AMP

15

16

17

23

24

26

27

Q6

Q7

49

53

55

64

1

23

14

13

16

11

12 15

IC1

LC72341G

KEY

MATR1X

KEY

MATR1X

SW6~10

SW3~11

Q8

Q10

X1

Q9

Q4

Q3

Q2

T2

C27

C37

CF2

CF3

FM

AM

SW1B

C23

9V

FM

ANT

DCJACK

SP1

FM

AM

SW1A

D 5

C54

C53

R7

L7

D3

+

+

+

RESET

CLOCK DISPLAY

CPU

4~10

TUNER

POWER

CONTROL

MUTE

CONTROL

TUNER
POWER
CONTROL

DC6V

SPEAKER

FM IF
AMP

BAND SW

BAND SW

IFT
AM

BEEP LEVEL
CONTROL

BEEP LEVEL
CONTROL

LED1~3

BACK
RIGHT

LED BRIGHT
CONTROL

LED BRIGHT
CONTROL

Q5,DZ1

REGLATOR

SW2

TUNER C.B

 2/2

KEY C.B

T2

AM IF ADJ

L5, PVC1D

L3, PVC1B

L4, PVC1A

L1, PVC1C

AM Tracking ADJ

FM Tracking ADJ

FM Fequency Range ADJ

AM Fequency Range ADJ

TUNER C.B 1/2

MAIN C.B

LCD1

VOLUME

VR1

SIGNAL

: AM
: FM

Summary of Contents for AP20AEZ

Page 1: ...UAL D A T A RADIO RECEIVER FR AP20W FR AP20 FR AP21 S M Code No 09 017 357 6R1 AU W AEZ S AEZ S R E V I S I O N This Service Manual is the Revision Publishing and replaces Simple Manual S M Code No 09 017 357 6T1 ...

Page 2: ... 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 2 87 B30 494 010 AC ADAPTOR AC D607ENC EXCEPT AP20W AUWC 2 87 B30 493 010 AC ADAPTOR AC D607UNC AP20W AUWC ...

Page 3: ...ONS AP20WAU Design and specifications are subject to change without notice AP20AEZ Design and specifications are subject to change without notice AP21AEZ Design and specifications are subject to change without notice ...

Page 4: ...ED GRN X1 87 A70 187 010 VIB XTAL 75KHZ CFV206 TUNER C B C1 87 A10 574 010 CAP CER 2200P 50 Z YF AP20W AUWC C2 87 018 109 080 CAP TC U 22P 50 J SL UP050 C3 87 A10 585 080 CAP CER 18P 50 J CH C4 87 A10 175 010 CAP CER 820P 50 K B AP20W AUWC C5 87 010 983 010 CAP CER 0 01 500 KB C6 87 A10 142 010 CAP CER 33P 50 K CH C7 87 A10 162 010 CAP CER 68P 50 KSL AP21 AEZSC C8 87 010 983 010 CAP CER 0 01 500 K...

Page 5: ...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 ELECTRICAL MAIN PARTS LIST 2 2 SW2 8B RU6 612 010 SW TACT SW6 8B RU6 612 010 SW TACT SW7 8B RU6 612 010 SW TACT SW8 8B RU6 612 010 SW TACT SW9 8B RU6 612 010 SW TACT SW10 8B RU6 612 010 SW TACT T1 8B RU6 609 010 COIL AM OSC EXCEPT AP21...

Page 6: ...AM SW1B C23 9V FM ANT DCJACK SP1 FM AM SW1A D5 C54 C53 R7 L7 D3 RESET CLOCK DISPLAY CPU 4 10 TUNER POWER CONTROL MUTE CONTROL TUNER POWER CONTROL DC6V SPEAKER FM IF AMP BAND SW BAND SW IFT AM BEEP LEVEL CONTROL BEEP LEVEL CONTROL LED1 3 BACK RIGHT LED BRIGHT CONTROL LED BRIGHT CONTROL Q5 DZ1 REGLATOR SW2 TUNER C B 2 2 KEY C B T2 AM IF ADJ L5 PVC1D L3 PVC1B L4 PVC1A L1 PVC1C AM Tracking ADJ FM Trac...

Page 7: ...C43 C42 C41 R51 Q10 Q6 C54 C55 C53 R68 Q9 Q7 R5 R19 C65 17 16 1 48 49 64 33 32 C48 X1 C47 C46 C83 C40 R25 R26 R27 R28 R29 R30 R31 R47 R48 R49 R50 IC 1 C61 R62 R63 C52 R66 C49 C50 C51 R69 C79 C80 C81 C82 C78 C77 C76 C75 C74 C73 C72 C71 C66 C68 C69 C70 1 16 R46 R40 R67 R45 R39 R56 R36 R55 1 5 CON2 KEY C B CON2 RESET TUNER C B CON1 Lxxx Cxxx Dxxx Dxxx LEDxxx Note EXCEPT AP20WAU MODEL AP20WAUW MODEL M...

Page 8: ...R WEEKEND ALARM SKIP DC6V MAIN C B CON1 CON1 1 11 R6PX4 LR6X4 AP21AEZ MODEL AP21AEZ MODEL AP21AEZ MODEL AP21AEZ MODEL FM AM PVC1B PVC1D PVC1C PVC1A PVC1 BAR ANT L5 1 14 15 28 AP20WAU MODEL AP20WAU MODEL AP20WAU MODEL IC2 B C E B C E FM ANT TUNER C B PARTS SIDE Lxxx Lxxx Cxxx Cxxx Cxxx Dxxx Qxxx Rxxx E C C B B E Note Black 1 G S D EXCEPT AP21AEZ MODEL C7 ...

Page 9: ... 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U WIRING 3 3 KEY SNOOZE LIGHT MAIN C B CON2 KEY C B PARTS SIDE ALARM OFF SUMMER TIME SLEEP RADIO ON OFF 1 5 ...

Page 10: ... 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 1 6 1 5 1 5 3 3 3 3 3 3 3 3 0 8 0 8 0 8 0 8 3 3 3 3 3 3 3 3 3 2 3 2 3 2 3 2 0 0 0 1 4 0 0 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 0 1 3 1 3 0 8 0 2 0 2 3 3 3 3 6 5 3 0 5 0 5 0 1 3 0 0 0 0 0 0 0 0 0 0 3 3 3 3 0 0 0 0 0 5 9 0 0 6 1 2 0 1 3 0 9 820P AP20WAU 0 1 AP21AEZ FM COIL 6T AP2...

Page 11: ... 11 TRANSISOTR ILLUSTRATIN 1 1 E C B 2SC19230 PE 8550B D S G 2SK241Y E B C 2SD1383K 2SA1586Y 2SC4215 2SC4116 DTC114YK ...

Page 12: ...M Tracking Adjustment Settings Test point IC2 KA22425D 23PIN Adjustment location L5 PVC1D L5 600kHz Waveform max AP20AEZ AP20WAU MODEL L5 150kHz Waveform max AP21AEZ MODEL PVC1D 1400kHz Waveform max AP20AEZ MODEL PVC1D 285kHz Waveform max AP21AEZ MODEL PVC1D 1500kHz Waveform max AP20WAU MODEL Method Set to 600kHz 150kHz and adjust L5 so that the Wave to maximum Method Set to 1400kHz 285kHz 1500kHz...

Page 13: ... 2 3 4 G E C D COL 5D AM PM Z2 RA BA SLEEP BT COM4 COM3 COM2 COM1 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CPU S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 COM4 COM3 COM2 COM1 COM1 SAT Z2 SUN RA BA 2D 5D 3D SLEEP 4D BT COM1 COM2 PM 1E 1D 1C 2E 2C 3E 3G 3C 4E 4G 4C COM2 COM3 AM 1F 1G 1B 2F 2G COL 3F 3B 4F 4A 4B COM3 COM4 SM MO 1A TU WE 2A 2B TH 3A FR SA SU COM4 ...

Page 14: ... output Light H output when back light is ON ATTN1 Buzzer attenuation output 1 ATTN2 Buzzer attenuation output 2 Mute High output at mute Radio High output at radio power is ON L output at radio power is OFF AC High input when AC adapter is used L input when battery is used Pull down Back up L input at backup mode Normally H Pull up Not used Beep Buzzer sound output AD input Pull down AD input For...

Page 15: ... 15 MECHANICAL EXPLODED VIEW 1 1 1 2 3 4 15 PWB LCD SPK PWB PWB F D D E C B A G 14 12 11 16 9 8 7 17 18 19 20 21 22 23 24 10 13 5 6 25 25 BAR ANT ...

Page 16: ...8 010 KNOB RTRY TUN AP20W AUWC 12 8B RU6 030 010 KNOB RTRY TUN EZ EXCEPT AP20W AUWC 13 8B RU6 204 010 HLDR BAR AP20W AUWC 14 8B RU6 009 010 KNOB SL BAND AP20W AUWC 14 8B RU6 031 010 KNOB SL BAND EZ EXCEPT AP20W AUWC 15 8B RU6 007 010 BTN SUN AP20W AUWC 15 8B RU6 025 010 BTN SUN EZ EXCEPT AP20W AUWC 16 8B RU6 010 010 KNOB RTRY VOL AP20W AUWC 16 8B RU6 029 010 KNOB RTRY VOL EZ EXCEPT AP20W AUWC 17 8...

Page 17: ...Pink R Red S Silver ST Titan Silver T Brown V Violet W White WT Transparent White Y Yellow YT Transparent Yellow LM Metallic Blue LL Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange GM Metallic Green YM Metallic Yellow DM Metallic Orange PT Transparent Pink LA Aqua Blue GL Light Green HT Transparent Gray HM Metallic Gray NH Champagne Gold M Wood Pattern ...

Page 18: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111 H251941 ...

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