Aiwa RM-P300 Series User manual

SERVICE MANUAL
DATA
RADIO CASSETTE RECEIVER
RM-P300RM-P300
RM-P300RM-P300
RM-P300
S/M Code No. 09-003-340-6R2
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)
REVISION
This Service M nu l is the “Revision Publishing” nd repl ces “Simple M nu l”
RM-P300 AEZ(S), AHKJ(S), AHA(S), AHRJ(S)(S/M Code No. 09-003-340-6T2).
• BASIC TAPE MECHANISM : TN-9ZR-215
• Design nd specific tions re subject to
ch nge without notice.
• Design nd specific tions re subject to
ch nge without notice.
EZ, HK MODELHR, HA MODEL
SPECIFICATIONS

2
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
• 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
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
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

43
BLOCK DIAGRAM
4V REGULATOR
MOTOR DRIVER
VOLTAGE CHART

65
SCHEMATIC DIAGRAM
MAIN C.B
1.5K
1.2K
4.7K
2.7K
0.001
2.7K
6.8K
0.0022
33
0.033
0.033
15K
1.2K
SP1
(SPEAKER)
M1
(MOTOR)
MIC1
(MIC)
J2
PHONES
T203
FM IF ADJ.
T201
AM IF ADJ.
C108 T306
BIAS FREQ
ADJ.
AM ANT PVCA
AM TRACKING
ADJ.
L202 PVCB
FM TRACKING
ADJ.
T202 PVCD
AM FREQ.
RANGE ADJ.
L203 PVCC
FM FREQ.
RANGE ADJ.
J1
DC 6V
SW101
FUNCTION
FM
AM
TAPE/
RADIO
OFF
TAPE
SPEED
ADJ.
VOL
OPE/BATT
SW2
PLAY
REC
MOTOR
DRIVER
4V
REG
REC/PB AMP
BIAS
OSC
FM FRONT END
AM/AM IF
IF AMP
Q205
*J371 33ohm (HK)
R210 8.2k (HA/EZ)

WIRING
1234567
8910 11 12 13 14
A
B
C
D
E
F
G
H
I
J
K
7 8
FM
ANT
D302
OPE/BATT
SW2
PLA
REC
J2
PHONES
J1
DC 6V
SW101
FUNCTION
TAPE/
RADIO
OFF
VR301
VOL
MIC1
(MIC)
BLK
RED
SP1
SPEAKER
BLK
RED
RED
RED
BLK
BLK
WHT
RED
BLK M1
(MOTOR)
ECB
NOTE
MAIN C.B (INSERTED PARTS)
MAIN C.B (CHIP PARTS)
BA
D
C
LEAF SW
RPH EH
AM FM
1
89
16
1
1
8
8
54
916 C
B
A
D
E
F
M
AM ANT
L201
PVCD
PVCA
PVCC
PVCB

109
IC BLOCK DIAGRAM
IC, TA7628HP
TRANSISTOR ILLUSTRATION
ECB
2SC1923
SS8050
ELECTRICAL ADJUSTMENT
1. SET-UP PROCEDURES

11

12
2. EQUIPMENT CONNECTION DIAGRAM

13
< TUNER SECTION >
< FM SECTION >
Quieting sensitivity: Less than 20dB
(THD 3%) (at 76/88MH )
Less than 19dB
(at 92/98/108MH )
Distortion: Less than 2% (Input 60dB)
(at 92/98MH )
Intermediate frequency: 10.7MH
< AM (MW) SECTION >
Sensitivity: Less than 51dB
(S/N 10dB) (at 600kH )
Less than 49dB
(at 1000/1400kH )
Signal to noise ratio: More than 30dB (Input 74dB)
(at 600/1000/1400kH )
Distortion: Less than 3%
(100dB, 60% Mod)
(at 1000kH )
Intermediate frequency: 455kH
PRACTICAL SERVICE FIGURE
< DECK SECTION >
Tape speed: 3000H +90H /-60H
Distortion: Less than 3% (PB)
Less than 7% (REC)
Wow & Flutter: Less than 0.45%
Test tape: MTT-111N

14
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
MECHANICAL PARTS LIST 1/1
Basic color sym ol Color Basic color sym ol Color Basic color sym ol Color
B Black C Cream D Orange
G Green H Gray L Blue
LT Transparent Blue N Gold P 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
COLOR NAME TABLE
1 8A-CM3-017-010 WINDOW,CASS EZ<AESC>
1 8A-CM3-018-010 WINDOW,CASS HR<AHRJSC,AHKJSC>
1 8A-CM3-016-010 WINDOW,CASS U<AHASCC>
2 8A-CM3-003-010 LID,CASS
3 8A-CM3-021-010 CABI,FR ASSY EX
4 8A-CM3-013-010 POINTER,
5 8A-CM3-019-110 LENS,TOP EX
6 8A-CM3-010-010 KNOB,SL FUNCTION
7 8A-CM3-009-010 KNOB,RTRY VOL
8 8A-CM3-008-010 KNOB,RTRY TUNING
9 8A-CM3-211-010 SPR-P,CASS
10 88-CS8-625-010 MIC,ECM
11 86-CM3-605-010 SPKR, 0.5W 55M
12 8Z-CM3-211-010 SPR-P,DOOR CASS
13 86-CM3-213-010 SPR-P,REC
14 8A-CM3-201-010 SHAFT,REC
15 8A-CM3-202-010 LEVER,REC
16 8A-CM3-012-010 KEY,CASS REC
17 87-450-414-010 LUG TERMINAL PLATE, LB-4
18 8A-CM3-007-010 LID,BATT
19 8A-CM3-205-010 HLDR,PWB
20 8A-CM3-011-010 KEY,CASS SET
21 8A-CM3-203-010 HLDR,LED
22 8A-CM3-204-010 HLDR,KNOB FUNC
23 8A-CM3-209-010 HLDR,ANT
24 8A-CM3-207-010 GEAR,VC
25 8A-CM3-208-010 GEAR,MIDDLE
26 8A-CM3-206-010 CHAS,GEAR
27 88-CM2-211-010 SPR,BATT B(-)
28 8Z-CM3-203-010 BOX,BATTERY
29 88-CM2-210-010 SPR,BATT A(-)
30 8A-CM3-002-010 CABI,REAR
31 86-CM3-609-010 ANT,ROD 350MM
32 8A-CM3-006-010 HANDL,
A 87-267-527-310 SCREW, V+1.7-3
B 8Z-CM3-208-010 UT2+1.7-10 W/O
C 87-B10-114-010 VT2+2-12 CR
D 87-741-095-410 UT2+3-8 GLD
E 87-255-073-410 U+2.6-6
F 87-751-099-410 VT2+3-15 W/O SLOT
G 87-751-035-410 VT2+2-6W/0 SLOT

1615
MECHANICAL EXPLODED VIEW 1/1
D
D
B
DE
E
F
G
F
D
F
F
D
C
A
1
2
3
4
5
6
7
8
9
10
CUSH MIC
TN-9ZR-215
11
12
19
13
14
15
16
20
21
P.C.B
P.C.B
P.C.B
P.C.B
P.C.B
22
23
24
25
26
27
28
29
30
31
32
18
17
CUSH-S
G

1817
TAPE MECHANISM EXPLODED VIEW 1/1
REF. NO PART NO. KANRI DESCRIPTION
NO.
TAPE MECHANISM PARTS LIST 1/1
1 S1-877-013-120 CHASSIS ASSY
2 S1-877-120-010 MOTOR PULLEY
3 S6-002-070-100 MOTOR FR-410CA-12250T
4 S1-877-010-170 AUTO LEVER
5 S1-877-010-190 AUTO LEVER SPR
6 S1-877-030-090 SPR,EARTH
7 S1-877-010-370 SPR,LEVER BTN STOP
8 S1-867-050-040 BELT,RF
9 S1-877-093-050 FLYWHEEL ASSY
10 S1-877-090-070 BELT,MAIN
11 S1-877-070-060 SPR,ARM PULLEY RF
12 S1-877-073-030 RF PULLEY ARM ASSY
13 S1-877-010-110 FR BUTTON LEVER SPR
14 S1-877-010-260 BTN,ACTUATOR
15 S1-877-010-060 STOP BUTTON LEVER
16 S1-877-010-230 LEVER,BTN FF
17 S1-877-010-240 LEVER,BTN RWD
18 S1-877-010-320 SPR,PLATE T GEAR
19 S1-877-010-250 LEVER,BTN REC
20 S1-877-040-010 PINCH ROLLER ARM
21 S1-877-040-070 PINCH ROLLER ASSY
22 S1-877-010-270 PLATE,SW
23 S1-877-010-310 SPR,ACTUATOR
24 S1-877-190-020 PLATE TIMING
25 S1-877-030-080 SPR,RC
26 S1-877-030-040 P,PLATE
27 S1-877-030-030 PANEL,HEAD
28 S1-877-040-080 PINCH ROLLER ARM SPR
29 S1-877-030-070 SPR,PANEL HEAD
30 S6-401-011-490 SW,LEAF MSW-1541T
31 S1-867-020-040 RPH COLLAR
32 S1-877-033-010 SENSING PLATE ASSY
33 S9-400-312-000 SPR,HEAD
34 S6-201-011-170 HEAD,RP-7442FS-1251
35 S1-877-030-050 ARM MG
36 S6-207-100-020 HEAD E TC-230AN(SL)
37 S1-877-020-010 LEVER,SAFETY REC
38 S1-821-100-700 GEAR,FF
39 S1-877-190-010 ARM RC
40 S1-877-060-020 BACK TENSION SPR
41 S1-877-060-010 S REEL
42 S1-877-053-040 TAKE UP REEL ASSY
43 S1-821-103-4A0 GEAR T ROLLER
44 S1-821-100-460 BACK TENSION SPR
45 S1-877-015-030 T ROLLER GEAR PLATE ASSY
A S9-817-000-000 SCREW AZIMUTH M2-4.3
B S9-210-000-000 SCREW M2-5
C S9-C33-172-030 CAMERA(SPECIAL) SCREW M2-1.7
D S9-999-000-010 P.WASHER 1.85-3.2-0.2
E S9-888-000-000 P.WASHER CUT 1.2-3-0.4
F S9-999-030-010 P.WASHER CUT 1.5-3.2-0.5
G S9-316-000-000 FH WASHER 2.1-5-0.2
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES/PACKAGE LIST
1 8A-CM3-901-010 IB,H(ECA)A<AHRJSC,AHKJSC>
1 8A-CM3-902-010 IB,HA(ESP)A<AHASCC>
S 2 87-B30-166-010 AC ADAPTOR,AC-D602H<AHRJSC>
S 2 87-B30-164-010 AC ADAPTOR,AC-D602E<AESC>
S 2 87-B30-165-010 AC ADAPTOR,AC-D602K<AHKJSC>
S 2 87-B30-381-010 AC ADAPTOR,AC-D602HA<AHASCC>

19
ELECTRICAL SECTION
DESCRIPTION REFERENCE NAME
ANT ANTENNAS
C- CHIP
C-CAP CAP, CHIP
C-CAP TN CAP, CHIP TANTALUM
C-COIL COIL, CHIP
C-DI DIODE, CHIP
C-DIODE DIODE, CHIP
C-FET FET, CHIP
C-FOTR FILTER, CHIP
C-JACK JACK, CHIP
C-LED LED, CHIP
C-RES RES, CHIP
C-SFR SFR, CHIP
C-SLIDE SW SLIDE SWITCH, CHIP
C-SW SWITCH, CHIP
C-TR TRANSISTOR, CHIP
C-VR VOLUME, CHIP
C-ZENER ZENER, CHIP
CAP, CER CAP, CERA-SOL
CAP, E CAP, ELECT
CAP, M/F CAP, FILM
CAP, TC CAP, CERA-SOL
CAP, TC-U CAP, CERA-SOL SS
CAP, TN CAP, TANTALUM
CERA FIL FILTER, CERAMIC
CF FILTER, CERAMIC
DL DELAY LINE
E/CAP CAP, ELECT
FILT FILTER
FLTR FILTER
FUSE RES RES, FUSE
MOT MOTOR
P-DIODE PHOTO DIODE
P-SNSR PHOTO SENSER
P-TR PHOTO TRANSISTOR
POLY VARI VARIABLE CAPACITOR
PPCAP CAP, PP
PT POWER TRANSFORMER
PTR, RES PTR, MELF
RC REMOTE CONTROLLER
RES NF RES, NON-FLAMMABLE
RESO RESONATOR
SHLD SHIELD
SOL SOLENOID
SPKR SPEAKER
SW, LVR SWITCH, LEVER
SW, RTRY SWITCH, ROTARY
SW, SL SWITCH, SLIDE
TC CAP CAP, CERA-SOL
THMS THERMISTOR
TR TRANSISTOR
TRIMMER CAP, TRIMMER
TUN-CAP VARIABLE CAPACITOR
VIB, CER RESONATOR, CERAMIC
VIB, XTAL RESONATOR, CRYSTAL
VR VOLUME
ZENER DIODE, ZENER
REFERENCE NAME LIST
MECHANICAL SECTION
DESCRIPTION REFERENCE NAME
ADHESHIVE SHEET ADHESHIVE
AZ AZIMUTH
BAR-ANT BAR-ANTENNA
BAT BATTERY
BATT BATTERY
BRG BEARING
BTN BUTTON
CAB CABINET
CASS CASSETTE
CHAS CHASSIS
CLR COLLAR
CONT CONTROL
CRSR CURSOR
CU CUSHION
CUSH CUSHION
DIR DIRECTION
DUBB DUBBING
FL FRONT LOADING
FLY-WHL FLYWHEEL
FR FRONT
FUN FUNCTION
G-CU G-CUSHION
HDL HANDOL
HIMERON CLOTH
HINGE, BAT HINGE, BATTERY
HLDR HOLDER
HT-SINK HEAT SINK
IB INSTRUCTION BOOKLET
IDLE IDLER
IND, L-R INDICATOR, L-R
KEY, CONT KEY, CONTROL
KEY, PRGM KEY, PROGRAM
KNOB, SL KNOB, SLIDE
LBL LABEL
LID, BATT LID, BATTERY
LID, CASS LID, CASSETTE
LVR LEVER
P-SP P-SPRING
PANEL, CONT PANEL, CONTROL
PANEL, FR PANEL, FRONT
PRGM PROGRAM
PULLY, LOAD MO PULLY, LOAD MOTOR
RBN RIBBON
S- SPECIAL
SEG SEGMENT
SH SHEET
SHLD-SH SHIELD-SHEET
SL SLIDE
SP SPRING
SP-SCREW SPECIAL-SCREW
SPACER, BAT SPACER, BATTERY
SPR SPRING
SPR-P P-SPRING
SPR-PC-PUSH P-SPRING, C-PUSH
T-SP T-SPRING
TERM TERMINAL
TRIG TRIGGER
TUN TUNING
VOL VOLUME
W WASHER
WHL WHEEL
WORM-WHL WORM-WHEEL

2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:[phone]
931196 Printed in Sing pore