AIWA CT-X430, CT-4300, CT-R430 Service Manual
CT-X430M
YU,YZ,YH(ST)
CT-X4300M
CT-R430M
CT-R420
CT-R410
CT-RV425
YL(ST)
YZ(ST)
YZ(ST)
YZ(ST)
YZ(ST)
SERVICE MANUAL
STEREO CAR CASSETTE RECEIVER
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
CT-X430 YU(ST)(S/M Code No.09-003-339-1T1),
CT-R430M YZ(ST)/R410 YZ(ST)/R420 YZ(ST)/X430 YZ(ST),YH(ST)/X4300 YL(ST)
(S/M Code No.09-003-339-2T2)
.
BASIC TAPE MECHANISM : CDS-363AG1-A
S/M Code No. 09-003-339-1R1
REVISION
DATA
SPECIFICATIONS
TYPE MODEL NAME SUFFIX
A CT-R430M YZ
B CT-R410 YZ
C CT-R420 YZ
D CT-RV425 YZ
E CT-X430M YU
F CT-X430M YZ
G CT-X430M YH
H CT-X4300M YL
RADIO SECTION
(FM)
Frequency Range: 87.5 MHz–108 MHz
(100-kHz steps)
87.5 MHz-108 MHz
(50-kHz steps)
Usable Sensitivity: 12.7 dBf
50 dB Quieting Sensitivity: 17.2 dBf
IF Rejection: 80 dB
Frequency Response: 30 Hz-15,000 Hz
S/N Ratio: 63 dB
Stereo Separation: 35 dB at 1 kHz
Alternate Channel Selectivity: 70 dB
Capture Ratio: 3 dB
(AM(MW)) [YU, YL]
Frequency Range: 530 kHz–1,710 kHz
(10-kHz steps)
531 kHz–1,602 kHz
(9-kHz steps)
Usable Sensitivity: 30 µV (30 dB)
(MW) [YZ]
Frequency Range: 531 kHz–1,620 kHz
(9-kHz steps)
530 kHz–1,710 kHz
(10-kHz steps)
Usable Sensitivity: 30 µV (30 dB)
TAPE SECTION
Tape Speed: 4.8 cm/sec. (17/8 ips)
S/N Ratio: 50 dB
Frequency Response: 40 Hz–14,000 Hz
Stereo Separation: 40 dB
FF/REW Time: 100 sec. (C-60)
AUDIO SECTION
Max. Power Output: 40 W x 4 channels [YL, YZ]
35 W x 4 channels [YU]
AUX IN input
Input sensitivity (load impedance)
AUX: 300 mV (10 kΩ)
GENERAL
Power-Supply Voltage: 14.4 V (11 to 16 V allowable),
DC, negative ground
Load Impedance: 4Ω
Tone Control: Bass ± 10 dB at 100 Hz
Treble ± 10 dB at 10 kHz
Preamp Output Voltage (load impedance):
2.2 V (10 kΩ)
Installation size: 182(W) x 53(H) x 155(D) mm
(71/4(W) x 21/8(H) x 61/8(D) inches)
• Design and specifications are subject to change without notice.
(LW) [YZ]
Frequency Range: 144 kHz–288 kHz
(1-kHz/9-kHz steps)
Usable Sensitivity: 30 µV (30 dB)
ACCESSORIES LIST
REF. NO PART NO. KANRI DESCRIPTION
1 8A-KTF-904-010 IB,YH(E CK CH) 430M<G>
1 8A-KTF-902-010 IB,YL(3L) 4300M<H>
1 8A-KTF-901-010 IB,YU(3L) 430M<E>
1 8A-KTF-903-010 IB,YZ(9L) 430M<F>
1 8A-KTA-901-010 IB,YZ(9L) R430M,420,RV425<A,B,C,D>
2 8A-KT5-908-010 IB,INST,YH,Y (E CK CH A)-A<G>
2 8A-KT5-902-010 IB,INST,YU,YL (3L,P)<E,H>
2 8A-KT3-902-010 IB,INST,YZ (9L)-A<A,B,C,D,F>
3 86-KT1-237-010 HLDR,REAR MTG
4 8Z-KT1-231-010 HLDR,HALF -T
5 8Z-KT1-625-010 CONN ASSY,16P SOC016<E,G,H>
6 8Z-KT1-030-010 CASE,DFP -T
7 8Z-KT1-232-010 KEY,REMOVE -T
8 87-B10-141-010 NUT,5 TYPE-2
9 8Z-KT1-251-010 S-SCREW,5*6 TH+ TAPPING ST
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
10 88-KT1-247-010 S-SCREW,HEXAGON
11 88-KT1-250-010 S-SCREW,THIN HEAD+2.6-4 BLK
12 87-B10-143-010 UT1+5-15 W/O SLOT
13 87-B10-144-010 W,5.2-10-0.5
14 87-B10-145-010 W-SPR,5.3-8.5-1.5
2
ELECTRICAL MAIN PARTS LIST
REF. NO PART NO. KANRI DESCRIPTION
IC
8Z-KT1-622-010 C-IC,LC75374E
8Z-KTG-622-010 IC,TA8259H
87-A21-531-030 C-IC,UPD178006AGC-538<E,F,G,H>
87-A21-530-030 C-IC,UPD178018AGC-555<A,B,C,D>
88-KT1-608-010 C-IC,LC75854W
88-KT1-607-080 C-IC,SAA6579T<A,B,C,D>
87-A21-191-010 IC,KIA6225S
TRANSISTOR
89-423-953-010 TR,2SD2395F
87-026-576-080 C-TR,DTC343TK
87-A30-468-040 C-TR,KRC102S
87-A30-470-040 C-TR,KTC3875SY-RTK
87-A30-471-040 C-TR,KTA1504SY-RTK
87-A30-467-040 C-TR,KRA111S-RTK
87-A30-295-010 TR,KRA226M
87-A30-473-080 TR,KRC102M-AT
87-A30-487-080 TR,KRC111M-AT
8Z-KTH-627-080 TR,KTA1273Y
87-A30-476-010 TR,KTA1046Y
87-A30-475-080 TR,KRA104M-AT
8Z-KTH-626-080 TR,KTC3203Y
8Z-KTH-623-080 TR,KTA1267Y<A,B,C,D,F>
87-A30-469-040 C-TR,KRC111S-RTK
87-A30-472-040 C-TR,KRA226S-RTK
DIODE
87-020-465-080 DIODE,1SS133 (110MA)
87-017-932-080 ZENER,MTZJ6.2B
87-001-783-080 DIODE,1N4002
87-A40-830-040 DIODE,KDS226-RTK
87-070-022-010 DIODE,IN5402 (RECT)
87-070-334-080 ZENER,MTZJ10B
87-017-931-080 ZENER,MTZJ5.6B
87-A40-337-080 ZENER,MTZJ 6.8B
87-A40-523-080 ZENER,MTZJ9.1B<E>
87-A40-649-080 ZENER,MTZJ11.0A<EXCEPT E>
87-A40-509-080 ZENER,MTZJ6.8C
87-A40-620-080 ZENER,MTZJ6.2A
87-070-136-080 ZENER,MTZJ5.1B<B,C,D>
87-020-585-080 CHIP-ZENER,02CZ6.2Y
MAIN C.B
C101 87-010-178-080 CHIP CAP 1000P
C102 87-010-178-080 CHIP CAP 1000P
C103 87-010-186-080 CAP,CHIP 4700P
C104 87-010-490-040 CAP, ELECT 0.1-50
C105 87-010-498-040 CAP,E 10-16 GAS
C106 87-010-198-080 CAP, CHIP 0.022
C107 87-010-494-040 CAP,E 1-50 GAS
C108 87-010-197-080 CAP, CHIP 0.01 DM
C109 87-010-196-080 CHIP CAPACITOR,0.1-25
C110 87-010-553-040 CAP,E 47-16 GAS
C111 87-010-194-080 CHIP CAPACITOR,0.047
C112 87-010-213-080 CAP, CHIP 0.015<EXCEPT E>
C112 87-010-198-080 CAP, CHIP 0.022<E>
C113 87-010-213-080 CAP, CHIP 0.015<EXCEPT E>
C113 87-010-198-080 CAP, CHIP 0.022<E>
C114 87-010-196-080 CHIP CAPACITOR,0.1-25
C115 87-010-196-080 CHIP CAPACITOR,0.1-25
C116 87-010-197-080 CAP, CHIP 0.01 DM
C117 87-010-197-080 CAP, CHIP 0.01 DM
C120 87-010-196-080 CHIP CAPACITOR,0.1-25
C121 87-010-197-080 CAP, CHIP 0.01 DM
C201 87-010-178-080 CHIP CAP 1000P
NO.
C202 87-010-178-080 CHIP CAP 1000P
C203 87-010-498-040 CAP,E 10-16 GAS
C204 87-010-498-040 CAP,E 10-16 GAS
C205 87-010-555-040 CAP,E 100-10 GAS
C206 87-010-555-040 CAP,E 100-10 GAS
C207 87-010-198-080 CAP, CHIP 0.022
C208 87-010-198-080 CAP, CHIP 0.022
C209 87-010-494-040 CAP,E 1-50 GAS
C210 87-010-494-040 CAP,E 1-50 GAS
C211 87-010-555-040 CAP,E 100-10 GAS
C212 87-010-380-080 CAP, ELECT 47-16V
C213 87-010-494-040 CAP,E 1-50 GAS
C214 87-010-494-040 CAP,E 1-50 GAS
C215 87-010-555-040 CAP,E 100-10 GAS
C216 87-A11-129-080 CAP, CHIP 5600P
C217 87-A11-129-080 CAP, CHIP 5600P
C301 87-010-401-080 CAP, ELECT 1-50V
C302 87-010-401-080 CAP, ELECT 1-50V
C303 87-010-178-080 CHIP CAP 1000P
C304 87-010-178-080 CHIP CAP 1000P
C401 87-010-494-040 CAP,E 1-50 GAS<A,E,F,G,H>
C402 87-010-494-040 CAP,E 1-50 GAS<A,E,F,G,H>
C501 87-010-494-040 CAP,E 1-50 GAS
C502 87-010-494-040 CAP,E 1-50 GAS
C503 87-010-494-040 CAP,E 1-50 GAS
C504 87-010-494-040 CAP,E 1-50 GAS
C505 87-010-184-080 CHIP CAPACITOR 3300P(K)
C506 87-010-184-080 CHIP CAPACITOR 3300P(K)
C507 87-010-198-080 CAP, CHIP 0.022
C508 87-010-198-080 CAP, CHIP 0.022
C509 87-010-498-040 CAP,E 10-16 GAS
C510 87-010-498-040 CAP,E 10-16 GAS
C511 87-016-083-080 C-CAP,S 0.15-16 RK
C512 87-016-083-080 C-CAP,S 0.15-16 RK
C513 87-016-083-080 C-CAP,S 0.15-16 RK
C514 87-016-083-080 C-CAP,S 0.15-16 RK
C515 87-010-498-040 CAP,E 10-16 GAS
C516 87-010-498-040 CAP,E 10-16 GAS
C517 87-010-553-040 CAP,E 47-16 GAS
C518 87-010-498-040 CAP,E 10-16 GAS
C519 87-010-196-080 CHIP CAPACITOR,0.1-25
C520 87-010-494-040 CAP,E 1-50 GAS
C521 87-010-494-040 CAP,E 1-50 GAS
C522 87-010-494-040 CAP,E 1-50 GAS
C523 87-010-494-040 CAP,E 1-50 GAS
C524 87-010-494-040 CAP,E 1-50 GAS<A,B,C,D>
C524 87-010-553-040 CAP,E 47-16 GAS<E,F,G,H>
C525 87-012-141-080 CAP,CHIP 0.22
C526 87-012-141-080 CAP,CHIP 0.22
C527 87-010-178-080 CHIP CAP,1000P
C601 87-016-083-080 C-CAP,S 0.15-16 RK
C602 87-016-083-080 C-CAP,S 0.15-16 RK
C603 87-016-083-080 C-CAP,S 0.15-16 RK
C604 87-016-083-080 C-CAP,S 0.15-16 RK
C605 87-010-180-080 C-CER 1500P
C606 87-010-180-080 C-CER 1500P
C607 87-010-180-080 C-CER 1500P
C608 87-010-180-080 C-CER 1500P
C609 87-010-498-040 CAP,E 10-16 GAS
C610 8Z-KT1-633-090 CAP,E 3300U-16 PW
C611 87-010-196-080 CHIP CAPACITOR,0.1-25
C612 87-010-552-040 CAP,E 22-16 GAS
C613 87-010-490-040 CAP, ELECT 0.1-50
C701 87-010-490-040 CAP, ELECT 0.1-50
C702 87-010-555-040 CAP,E 100-10 GAS
C703 87-010-196-080 CHIP CAPACITOR,0.1-25
C704 87-010-198-080 CAP, CHIP 0.022
C705 87-010-315-080 C-CAP,S 27P-50 CH
C706 87-010-314-080 C-CAP,S 22P-50V
C707 87-010-196-080 CHIP CAPACITOR,0.1-25
REF. NO PART NO. KANRI DESCRIPTION
NO.
3
REF. NO PART NO. KANRI DESCRIPTION
TYPE MODEL NAME SUFFIX
A CT-R430M YZ
B CT-R410 YZ
C CT-R420 YZ
D CT-RV425 YZ
E CT-X430M YU
F CT-X430M YZ
G CT-X430M YH
H CT-X4300M YL
NO.
C708 87-010-197-080 CAP, CHIP 0.01 DM
REF. NO PART NO. KANRI DESCRIPTION
LCD1001 8A-KTF-610-010 LCD,AKT-10/11/15 (2COLOR)
C709 87-010-178-080 CHIP CAP 1000P
C710 87-010-178-080 CHIP CAP 1000P
C711 87-010-322-080 C-CAP,S 100P-50 CH
C712 87-016-039-090 CAP,E 0.022-5.5
C713 87-010-197-080 CAP, CHIP 0.01 DM
C714 87-010-197-080 CAP, CHIP 0.01 DM
C741 87-016-526-080 C-CAP,S 0.47-16 BK
C742 87-016-526-080 C-CAP,S 0.47-16 BK
C743 87-016-526-080 C-CAP,S 0.47-16 BK
C744 87-016-669-080 C-CAP,S 0.1-25 K B
C801 87-010-196-080 CHIP CAPACITOR,0.1-25
C802 87-010-182-080 C-CAP,S 2200P-50 B
C804 87-010-196-080 CHIP CAPACITOR,0.1-25
C805 87-010-263-080 CAP,E 100-10 GAS
C806 87-010-498-040 CAP,E 10-16 GAS
C807 87-010-498-040 CAP,E 10-16 GAS
C808 87-010-198-080 CAP, CHIP 0.022
C810 87-010-198-080 CAP, CHIP 0.022
C811 87-010-553-040 CAP,E 47-16 GAS
C812 87-010-498-040 CAP,E 10-16 GAS
C816 87-010-553-040 CAP,E 47-16 GAS
C901 87-010-494-040 CAP,E 1-50 GAS<G,H>
C902 87-010-494-040 CAP,E 1-50 GAS<G,H>
C903 87-010-494-040 CAP,E 1-50 GAS
C904 87-010-494-040 CAP,E 1-50 GAS
C905 87-012-140-080 CAP 470P<G,H>
C906 87-012-140-080 CAP 470P<G,H>
C907 87-012-140-080 CAP 470P
LCD1001 8A-KTB-610-010 LCD,AKT-11(NO COLOR)<B,D>
LCD1001 8A-KTF-611-010 LCD,AKT-15(1 COLOR)<E>
LED1001 87-017-827-070 C-LED,SEC 1201C RED
LED1002 87-017-827-070 C-LED,SEC 1201C RED
LED1003 87-017-827-070 C-LED,SEC 1201C RED
LED1004 87-A40-813-040 C-LED,SEC1E01C BLUE
LED1005 87-A40-813-040 C-LED,SEC1E01C BLUE
LED1006 87-A40-813-040 C-LED,SEC1E01C BLUE
PL1001 8A-KT7-655-010 LAMP,9V-50MA<EXCEPT D>
PL1002 8A-KT7-655-010 LAMP,9V-50MA<EXCEPT D>
S1001 87-036-251-080 SW,T CT 6X3.5 160
S1002 87-036-251-080 SW,T CT 6X3.5 160
S1003 87-036-251-080 SW,T CT 6X3.5 160
S1004 87-A90-001-080 C-SW,TACT SKQMAL
S1005 87-036-251-080 SW,T CT 6X3.5 160
S1006 87-036-251-080 SW,T CT 6X3.5 160
S1007 87-A90-001-080 C-SW,TACT SKQMAL
S1008 87-036-251-080 SW,T CT 6X3.5 160
S1009 87-036-251-080 SW,T CT 6X3.5 160
S1010 87-036-251-080 SW,T CT 6X3.5 160
S1011 87-A90-001-080 C-SW,TACT SKQMAL
S1012 87-A90-001-080 C-SW,TACT SKQMAL
S1013 87-036-251-080 SW,T CT 6X3.5 160
S1014 87-036-251-080 SW,T CT 6X3.5 160
S1015 87-A90-001-080 C-SW,TACT SKQMAL
VR1001 87-A91-597-010 SW,RTRY SIM-026MT
W1001 8A-KT9-611-010 F-CABLE,3P 50MM
C908 87-012-140-080 CAP 470P
C1101 87-012-149-080 C-CAP,S 30P-50 CH<A,B,C,D>
AUX C.B
C1102 87-010-315-080 C-CAP,S 27P-50 CH<A,B,C,D>
C1103 87-010-175-080 CAP 560P<A,B,C,D>
J1001 87-A61-229-010 JACK,3.5 BLK ST W/SW
C1104 87-010-196-080 CHIP CAPACITOR,0.1-25<A,B,C,D>
C1105 87-012-157-080 C-CAP,S 330P-50 CH<A,B,C,D>
LED1 C.B
C1106 87-010-495-040 CAP,E 2.2-50 GAS<A,B,C,D>
C1107 87-010-197-080 CAP, CHIP 0.01 DM<A,B,C,D>
LED1007 87-A40-814-080 LED,SEL2E10C BLUE<D>
CN201 87-009-031-010 CONNECTOR, 3P
CN202 87-099-408-010 CONN,8P EH V WHT
CN701 88-KTA-603-010 CONN,15P CAM-B68
C0N801 8Z-KT1-624-010 CONN,16P SOC017<E,G,H>
LED2 C.B
LED1008 87-A40-814-080 LED,SEL2E10C BLUE<D>
CN801 8A-KT1-631-010 CONN ASSY,8P ISO-BLACK-A<A,B,C,D,F>
CN802 8A-KT1-632-010 CONN ASSY,8P ISO-WHITE-A<A,B,C,D,F>
!F801 8Z-KC1-621-010 FUSE,15A 32V
HEAD C.B
J101 8Z-KT1-614-010 ANT,AW-002
J401 8A-KC7-620-010 JACK,DIN 13 P SKDS1302<A,E,F,G,H>
J901 87-A61-225-010 JACK,PIN 2P XR-401<EXCEPT G,H>
J901 87-A61-224-010 JACK,PIN 4P XR-401<G,H>
L101 87-003-143-080 COIL 4.7 UH
L102 8Z-KT1-619-010 COIL,68MH K7-D
L301 87-003-143-080 COIL 4.7 UH
L701 87-003-149-080 COIL,47UH
L801 8Z-KT1-615-010 FLTR,AMORPHOUS -CHOKE
LED701 87-027-262-010 LEDE,TLR-124(RED)
SFR101 87-024-437-080 SFR,100K<A,B,C,D>
SW701 87-A91-070-010 SW,TACT SKHHLV
SW702 87-A91-152-010 SW,SL 1-1-2 SSSS212-11-A
TU101 8A-KC8-620-010 TU UNIT, FAE347-A11<A,B,C,D,F>
TU101 8A-KC8-621-010 TU UNIT, FAE347-A12<E,G,H>
X701 87-A70-175-010 VIB,XTAL 4.5MHZ AT-49
X1101 87-A70-091-010 VIB,XTAL 4.332MHZ CSA-309<A,B,C,D>
NO.
<A,C,F,G,H>
FRONT C.B
C1001 87-010-176-080 C-CAP,S 680P-50 SL
C1002 87-010-194-080 CAP, CHIP 0.047
C1003 87-010-194-080 CAP, CHIP 0.047
C1004 87-010-196-080 CHIP CAPACITOR,0.1-25
CN1001 88-KTA-602-010 CONN,15P CAM-B67
4
CHIP RESISTOR PART CODE
VDD
VSS
VSS
Chip Resistor Part Coding
88
IC BLOCK DIAGRAM-1
IC, KIA6225S IC, SAA6579T
A
Resistor Code
Chip resistor
Wattage Type Tolerance
1/16W 1005 5% CJ
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
Symbol
CJ
CJ
CJ
Figure
Value of resistor
Form
L
Dimensions (mm)
t
W
0.55
Resistor Code
108
118
128
LW t
1.0 0.5 0.35 104
1.6 0.8 0.45
2 1.25 0.45
3.2
1.6
: A
: A
IC, TA8259H
TRANSISTOR ILLUSTRATION
65
SCHEMATIC DIAGRAM-1 (MAIN SECTION) [CT-R430M YZ, CT-R410 YZ, CT-R420 YZ, CT-RV425 YZ]
000
2.5
2.4
2.1
4.9
2.4
0
RDS VOLTAGE ADJ.
2.5
2.5
2.5
2.4
2.5
2.4
4.9
E-VOL
Y
87
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