Aiwa RM-P300 AHA, RM-P300 AHRJ, RM-P300 AHKJ, RM-P300 AEZ Service Manual

RM-P300RM-P300

RM-P300

RM-P300RM-P300

AEZ(S),AHKJ(S),AEZ(S),AHKJ(S),

AEZ(S),AHKJ(S),

AEZ(S),AHKJ(S),AEZ(S),AHKJ(S),
AHRJ(S),AHA(S)AHRJ(S),AHA(S)

AHRJ(S),AHA(S)

AHRJ(S),AHA(S)AHRJ(S),AHA(S)

SERVICE MANUAL

RADIO CASSETTE RECEIVER

SPECIFICATIONS

• BASIC TAPE MECHANISM : TN-9ZR-215

EZ, HK MODELHR, HA MODEL

• Design and specifications are subject to
change without notice.

This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
RM-P300 AEZ(S), AHKJ(S), AHA(S), AHRJ(S)(S/M Code No. 09-003-340-6T2).

• Design and specifications are subject to
change without notice.

REVISION

S/M Code No. 09-003-340-6R2

DATA

ELECTRICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

IC
8Z-CM2-646-010 IC,TA2132

88-CM2-608-010 IC,TA7628 HP
88-CS7-613-010 IC,KA2402

TRANSISTOR
87-CD7-603-080 TR,SS8050

DIODE
87-070-345-080 DIODE,IN4148

87-A40-574-080 ZENER,MTZJ3.0A
88-CD6-665-010 DIODE,IN60P
86-CM3-601-080 DIODE,CDG-24
87-A40-375-010 ZENER,HZ5BLL

87-A40-398-010 DIODE,1N4001

MAIN C.B
C101 87-010-404-080 CAP, ELECT 4.7-50V

C102 87-010-374-080 CAP, ELECT 47-10V
C104 87-010-405-080 CAP, ELECT 10-50V
C107 87-A10-578-080 CAP,CER 0.047-50 Z YF
C109 87-010-248-080 CAP, ELECT 220-10V

C114 87-A10-173-010 CAP,CER 560P-50 K B
C115 87-010-405-080 CAP, ELECT 10-50V
C116 87-010-404-080 CAP, ELECT 4.7-50V
C117 87-010-401-080 CAP, ELECT 1-50V
C118 87-010-382-080 CAP, ELECT 22-25V

C119 87-010-374-080 CAP, ELECT 47-10V
C122 87-A10-173-010 CAP,CER 560P-50 K B
C123 87-A10-173-010 CAP,CER 560P-50 K B
C124 87-A10-164-010 CAP,CER 100P-50 K SL
C204 87-A10-496-010 CAP,CER 18P-50 J CH

C205 87-010-316-080 C-CAP,S 22P-50V
C206 87-A10-134-010 CAP,CER 8P-50 K CH
C207 87-010-498-040 CAP,E 10-16 GAS
C208 87-A10-414-010 CAP,CER 0.033-16 K SR
C210 87-010-400-080 CAP, ELECT 0.47-50V

C211 87-A10-496-010 CAP,CER 18P-50 J CH
C212 87-010-551-040 CAP, ELECT 33-10 GAS
C213 87-A10-414-010 CAP,CER 0.033-16 K SR
C226 87-010-401-080 CAP, ELECT 1-50V
C231 87-010-248-080 CAP, ELECT 220-10V

NO.

REF. NO PART NO. KANRI DESCRIPTION

C232 87-A10-164-010 CAP,CER 100P-50 K SL
C233 87-A10-168-010 CAP,CER 220P-50 K B
C301 87-A10-168-010 CAP,CER 220P-50 K B
C302 87-A10-173-010 CAP,CER 560P-50 K B
C303 87-010-402-080 CAP, ELECT 2.2-50V

C304 87-010-263-080 CAP, ELECT 100-10V
C305 87-010-248-080 CAP, ELECT 220-10V
C306 87-010-380-080 CAP, ELECT 47-16V
C308 87-010-221-080 CAP, ELECT 470-10V
C309 87-010-248-080 CAP, ELECT 220-10V

C310 87-010-221-080 CAP, ELECT 470-10V
C311 87-010-263-080 CAP, ELECT 100-10V
C312 87-010-380-080 CAP, ELECT 47-16V
C313 87-010-401-080 CAP, ELECT 1-50V
C314 87-A10-578-080 CAP,CER 0.047-50 Z YF

C315 87-010-400-080 CAP, ELECT 0.47-50V
C322 87-A10-128-010 CAP,CER 2P-50 K CH
C323 87-010-196-080 CHIP CAPACITOR, 0.1-25
C324 87-A10-164-010 CAP,CER 100P-50 K SL
CF201 88-CS8-631-010 FILTER, SFE10.7MS2-A

CF202 87-008-582-010 FLTR,SFU455B
CF203 88-CS8-631-010 FILTER, SFE10.7MS2-A
D302 88-CS8-644-010 LED,SE-3001DT,3MM BRIGHT ,REDL
J1 88-CS7-618-010 JACK,DC 6
J2 88-CL5-608-010 JACK,3.6 S W/SW

L201 88-CS8-610-010 COIL,BAR ANTCOIL ASSY A192674W
L202 8Z-CM3-611-010 COIL,FM RF 6.5T-2.5 DIA 0.5
L203 8Z-CM3-612-010 COIL,FM OSC 2.5T-5 DIA 0.8
L204 88-CS8-611-010 COIL,FM ANT 4.5-4T
L205 88-CS8-630-010 COIL,FM 9T,3MM,DIA:0.4MM CS34-

L206 87-005-151-080 COIL,2.2UH
PVC1 87-A90-913-010 TUN-CAP,20P-140P 16*16
SW2 88-CM2-604-010 SW,2P-6T (R/P)
T201 8Z-CM3-610-010 COIL,FM IFT-1411
T202 8Z-CM3-613-010 COIL,AM OSC1497

T202 88-CM2-601-010 COIL,FM DET1529
T306 88-CS8-628-010 COIL,OSC IFT 4A-363R(B) 10MM
VR301 8Z-CM1-603-010 VR,RTRY 50K A MAIN
VR302 87-A90-309-010 SFR,2K H 6.3

NO.

• 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.

2

BLOCK DIAGRAM

VOLTAGE CHART

MOTOR DRIVER

4V REGULATOR

43

SCHEMATIC DIAGRAM

MAIN C.B

AM ANT, PVCA
AM TRACKING

ADJ.

0.001

L202, PVCB

FM TRACKING

ADJ.

L203, PVCC

FM FREQ.

RANGE ADJ.

T202, PVCD

AM FREQ.

RANGE ADJ.

FM FRONT END

AM/AM IF

T201

AM IF ADJ.

*J371 33ohm (HK)

33

Q205

IF AMP

0.033

T203

FM IF ADJ.

0.033

R210 8.2k (HA/EZ)

15K

SW101

FUNCTION

FM

AM

TAPE/

RADIO

OFF

MIC1
(MIC)

1.5K

2.7K

4.7K

C108, T306
BIAS FREQ

ADJ.

1.2K

0.0022

REC/PB AMP

6.8K

4V

REG

J2

PHONES

OPE/BATT

MOTOR
DRIVER

TAPE

SPEED

ADJ.

J1

DC 6V

M1

(MOTOR)

SW2

PLAY

REC

2.7K

BIAS
OSC

VOL

65

SP1

(SPEAKER)

1.2K

WIRING

1

A

B

C

D

234567

MAIN C.B (INSERTED PARTS)

SP1

SPEAKER

BLK

RED

J2

PHONES

J1

DC 6V

1

8

54

VR301

VOL

8

916

1

D302

OPE/BATT

B

C

TAPE/

RADIO

OFF

SW101

FUNCTION

AM FM

A

D

BLK

BLK

RED

9

MIC1
(MIC)

10

8

SW2

PLAY

REC

D

B

RED

E

F

A

WHT

C

11 12 13

FM

ANT

1

16

89

PVCB

PVCD

PVCC

PVCA

14

BLK

E

RED

M

M1

(MOTOR)

BLK

RED

RPH EH

LEAF SW

AM ANT

L201

NOTE

F

ECB

MAIN C.B (CHIP PARTS)

G

H

I

J

K

7 8