Aiwa CT-X420 User manual

SERVICE MANUAL
BASIC TAPE MECHANISM : CDS-363AG1-A
STEREO CAR CASSETTE RECEIVER
CT-X420
CT-X410
CT-X4150
CT-X4100
CT-X325
CT-X320
CT-X310
S/M Code No. 09-003-339-2R1
YU(ST)
YU(ST)
YL(ST)
YL(ST)
YVJ(ST)
YZ(ST),YVJ(ST)
YZ(ST)
REVISION
DATA
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
CT-X420 YU(ST)/X410 YU(ST)(S/M Code No.09-003-339-2T1),
CT-X310 YZ(ST)/X325 YVJ(ST)/X320 YZ(ST),YVJ(ST)/X4100 YL(ST)/X4150 YL(ST)
(S/M Code No.09-003-339-1T2) .

2
SPECIFICATIONS
RADIO SECTION
(FM)
Frequency Range: 87.5 MHz–108 MHz
(100-kHz steps)
87.5 MHz–108 MHz [Except YV]
65 MHz–74 MHz [YV]
(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]
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, YV]
Frequency Range: 531 kHz–1,620 kHz
(9-kHz steps)
530 kHz–1,710 kHz
(10-kHz steps)
Usable Sensitivity: 30 µV (30 dB)
(LW) [YZ, YV]
Frequency Range: 144 kHz–288 kHz
(1-kHz/9-kHz steps)
Usable Sensitivity: 30 µV (30 dB)
TAPE SECTION
Tape Speed: 4.8 cm/sec. (17/8ips)
S/N Ratio: 50 dB
Frequency Response: 40 Hz–14,000 Hz
Stereo Separation: 40 dB
FF/REW Time: 190 sec. (C-60)
AUDIO SECTION
Max. Power Output: 40 W x 4 channels
CD/MD IN input
Input sensitivity (load impedance)
CD/MD IN: 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.
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES LIST
1 8A-KTG-903-010 IB,YL(3L) 4100,4150<G,H>
1 8A-KTG-902-010 IB,YU(3L) 410<B>
1 8A-KTG-901-010 IB,YU(3L) 420<A>
1 8A-KTG-906-010 IB,YV(ER) 320<D,F>
1 8A-KTG-905-010 IB,YZ(9L) 320<C,E>
2 8A-KTG-904-010 IB,INST,SP (3L,P)-A<H>
2 8A-KTG-907-010 IB,INST,SP (ER)-A<D>
2 8A-KT5-902-010 IB,INST,YU,YL (3L,P)<A,B,G,H>
2 8A-KT3-902-010 IB,INST,YZ (9L)-A<C,D,E,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<A,B,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
10 88-KT1-247-010 S-SCREW,HEXAGON
11 88-KT1-250-010 S-SCREW,THIN HEAD+2.6-4 BLK
12 8A-KTG-951-010 SPKR,13CM ASSY<D>
13 8Z-KTG-951-010 SPKR,16CM ASSY<H>
14 87-B10-143-010 UT1+5-15 W/O SLOT
15 87-B10-144-010 W,5.2-10-0.5
16 87-B10-145-010 W-SPR,5.3-8.5-1.5
TYPE MODEL NAME SUFFIX
A CT-X420 YU
B CT-X410 YU
C CT-X310 YZ
D CT-X325 YV
E CT-X320 YZ
F CT-X320 YV
G CT-X4100 YL
H CT-X4150 YL

3
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
8Z-KT1-622-010 C-IC,LC75374E
8Z-KTG-622-010 IC,TA8259H
87-A21-539-030 C-IC,TC9323F
87-A21-191-010 IC,KIA6225S
87-A21-441-010 C-IC,TC9297FB
TRANSISTOR
89-423-953-010 TR,2SD2395FY
87-A30-468-040 C-TR,KRC102S-RTK
87-026-576-080 C-TR,DTC343TK
87-A30-470-040 C-TR,KTC3875SY-RTK
87-A30-471-040 C-TR,KTA1504SY-RTK
8Z-KTH-626-080 TR,KTC3203Y
8Z-KTH-627-080 TR,KTA1273Y
87-A30-476-010 TR,KTA1046Y
87-A30-487-080 TR,KRC111M-AT
87-A30-295-010 TR,KRA226M
87-A30-473-080 TR,KRC102M-AT
87-A30-475-080 TR,KRA104M-AT
8Z-KTH-623-080 TR,KTA1267Y<C,D,E,F>
87-A30-467-040 C-TR,KRA111S-RTK
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-A40-798-010 DIODE,1N5402GW(3A/200V)
87-001-783-080 DIODE,1N4002
87-017-932-080 ZENER,MTZJ6.2B
87-070-334-080 ZENER,MTZJ10B
87-A40-337-080 ZENER,MTZJ 6.8B
87-A40-523-080 ZENER,MTZJ9.1B
87-A40-830-040 DIODE,KDS226-RTK
87-020-585-080 CHIP-ZENER,02CZ6.2Y
87-A40-819-040 C-ZENER,STZ6.8T
MAIN C.B
ANT101 8Z-KT1-614-010 ANT,AW-002
C101 87-018-119-080 CAP, CER 100P-50V
C102 87-018-134-080 CAPACITOR,TC-U 0.01-16
C103 87-010-380-010 CAP,E 47-16 SME
C104 87-010-380-010 CAP,E 47-16 SME
C105 87-018-134-080 CAPACITOR,TC-U 0.01-16
C106 87-018-134-080 CAPACITOR,TC-U 0.01-16
C109 87-018-134-080 CAPACITOR,TC-U 0.01-16
C110 87-018-134-080 CAPACITOR,TC-U 0.01-16
C111 87-010-402-080 CAP, ELECT 2.2-50V
C112 87-018-205-080 CAP, CERA-SOL 0.022
C119 87-010-194-080 CAP, CHIP 0.047
C120 87-010-194-080 CAP, CHIP 0.047
C121 87-018-134-080 CAPACITOR,TC-U 0.01-16
C122 87-018-134-080 CAPACITOR,TC-U 0.01-16
C123 87-010-380-010 CAP,E 47-16 SME
C124 87-018-209-080 CAP, CER 0.1-50V
C201 87-018-209-080 CAP, CER 0.1-50V
C203 87-018-132-010 CAP CER CYL SS 2200P
C204 87-018-205-080 CAP, CERA-SOL 0.022
C205 87-010-263-010 CAP, ELECT 100-10V
C208 87-010-112-010 CAP,ELECT 100-16V
C211 87-010-378-010 CAP, ELECT 10-16SME
C213 87-010-380-010 CAP,E 47-16 SME
C214 87-018-134-080 CAPACITOR,TC-U 0.01-16<C,D,E,F>
C215 87-018-209-080 CAP, CER 0.1-50V
C301 87-018-131-080 CAP, CER 1000P-50V
C302 87-018-131-080 CAP, CER 1000P-50V
C303 87-010-378-010 CAP, ELECT 10-16SME
C304 87-010-378-010 CAP, ELECT 10-16SME
C305 87-010-263-010 CAP, ELECT 100-10V
C306 87-010-263-010 CAP, ELECT 100-10V
C307 87-012-365-080 C-CAP,S 0.027-25VBK
C308 87-012-365-080 C-CAP,S 0.027-25VBK
C309 87-010-401-010 CAP, ELECT 1-50V
C310 87-010-401-010 CAP, ELECT 1-50V
C311 87-010-263-010 CAP, ELECT 100-10V
C312 87-010-401-010 CAP, ELECT 1-50V
C313 87-010-401-010 CAP, ELECT 1-50V
C314 87-010-380-010 CAP,E 47-16 SME
C315 87-A11-128-080 CAP, CER 4700P
C316 87-A11-128-080 CAP, CER 4700P
C401 87-010-380-010 CAP,E 47-16 SME
C402 87-010-196-080 CHIP CAPACITOR,0.1-25
C403 87-010-401-010 CAP, ELECT 1-50V
C404 87-010-401-010 CAP, ELECT 1-50V
C405 87-010-401-010 CAP, ELECT 1-50V
C406 87-010-401-010 CAP, ELECT 1-50V
C407 87-010-184-080 CHIP CAPACITOR 3300P(K)
C408 87-010-184-080 CHIP CAPACITOR 3300P(K)
C409 87-010-198-080 CAP, CHIP 0.022
C410 87-010-198-080 CAP, CHIP 0.022
C411 87-010-378-010 CAP, ELECT 10-16SME
C412 87-010-378-010 CAP, ELECT 10-16SME
C413 87-A11-177-080 C-CAP,S 0.15-16 K B
C414 87-A11-177-080 C-CAP,S 0.15-16 K B
C415 87-A11-177-080 C-CAP,S 0.15-16 K B
C416 87-A11-177-080 C-CAP,S 0.15-16 K B
C417 87-010-378-010 CAP, ELECT 10-16SME
C418 87-010-378-010 CAP, ELECT 10-16SME
C419 87-010-401-010 CAP, ELECT 1-50V
C420 87-010-401-010 CAP, ELECT 1-50V
C421 87-010-401-010 CAP, ELECT 1-50V
C422 87-010-401-010 CAP, ELECT 1-50V
C424 87-010-378-010 CAP, ELECT 10-16SME
C425 87-010-196-080 CHIP CAPACITOR,0.1-25
C426 87-010-196-080 CHIP CAPACITOR,0.1-25
C451 87-010-401-010 CAP, ELECT 1-50V
C452 87-010-401-010 CAP, ELECT 1-50V
C501 87-010-378-010 CAP, ELECT 10-16SME<A>
C502 87-010-378-010 CAP, ELECT 10-16SME<A>
C503 87-010-378-010 CAP, ELECT 10-16SME
C504 87-010-378-010 CAP, ELECT 10-16SME
C505 87-010-175-080 CAP 560P<A>
C506 87-010-175-080 CAP 560P<A>
C507 87-010-175-080 CAP 560P
C508 87-010-175-080 CAP 560P
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 87-018-209-080 CAP, CER 0.1-50V
C607 87-A11-179-010 CAP,E 10-16-105 D5*L11 KMF
C608 8Z-KT1-633-090 CAP,E 3300U-16 PW
C609 87-010-180-080 C-CER 1500P
C610 87-010-180-080 C-CER 1500P
C611 87-010-180-080 C-CER 1500P
C612 87-010-180-080 C-CER 1500P
C701 87-010-380-010 CAP,E 47-16 SME
C702 87-010-248-010 CAP, ELECT 100-10V
C703 87-010-198-080 CAP, CHIP 0.022
C705 87-010-314-080 C-CAP,S 22P-50V
C706 87-010-197-080 CAP, CHIP 0.01 DM
C707 87-010-315-080 C-CAP,S 27P-50 CH
C708 87-010-314-080 C-CAP,S 22P-50V
C709 87-016-526-080 C-CAP,S 0.47-16 BK
C710 87-010-401-010 CAP, ELECT 1-50V
C711 87-010-404-010 CONDENSER 4.7-50
C712 87-012-349-080 C-CAP,S 1000P-50 CH

4
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
C713 87-016-526-080 C-CAP,S 0.47-16 BK
C714 87-016-526-080 C-CAP,S 0.47-16 BK
C715 87-016-669-080 C-CAP,S 0.1-25 K B
C716 87-016-669-080 C-CAP,S 0.1-25 K B
C717 87-010-248-010 CAP, ELECT 100-10V
C801 87-018-134-080 CAPACITOR,TC-U 0.01-16
C802 87-018-209-080 CAP, CER 0.1-50V
C803 87-018-209-080 CAP, CER 0.1-50V
C804 87-012-349-080 C-CAP,S 1000P-50 CH
C805 87-012-349-080 C-CAP,S 1000P-50 CH
CN201 8Z-KT1-624-010 CONN,16P SOC017<A,B,G,H>
CN301 87-009-031-010 CONNECTOR, 3P
CN302 87-099-408-010 CONN,8P EH V WHT
CN801 88-KTA-603-010 CONN,15P CAM-B68
CNA201 8A-KT1-631-010 CONN ASSY,8P ISO-BLACK-A<C,D,E,F>
CNA202 8A-KT1-632-010 CONN ASSY,8P ISO-WHITE-A<C,D,E,F>
CNA301 8Z-KTG-651-010 CONN ASSY,3P HEAD
CNA302 8Z-KTG-652-010 CONN ASSY,8P MOTOR
D806 87-027-262-010 LEDE,TLR-124(RED)
F201 8Z-KC1-621-010 FUSE,15A 32V
J501 87-A61-225-010 JACK,PIN 2P XR-401<EXCEPT A>
J501 87-A61-224-010 JACK,PIN 4P XR-401<A>
L101 87-003-143-080 COIL 4.7 UH
L102 8Z-KT1-619-010 COIL,68MH K7-D
L201 8Z-KT1-615-010 FLTR,AMORPHOUS -CHOKE
L451 87-003-143-080 COIL 4.7 UH
L701 87-003-149-080 COIL,47UH
L702 87-003-097-080 COIL,1UH
L801 87-003-149-080 COIL,47UH
S751 87-A91-152-010 SW,SL 1-1-2 SSSS212-11-A
TUN101 8A-KC8-620-010 TU UNIT, FAE347-A11<C,E>
TUN101 8A-KC8-621-010 TU UNIT, FAE347-A12<A,B,G,H>
TUN101 8A-KTG-607-010 TU UNIT, FAE347-P10<D,F>
X701 87-A70-175-010 VIB,XTAL 4.5MHZ AT-49
FRONT C.B
C901 87-012-358-080 C-CAP,S 0.47-10 F Z
C902 87-010-197-080 CAP, CHIP 0.01 DM
CN901 88-KTA-602-010 CONN,15P CAM-B67
D907 87-017-827-070 C-LED,SEC 1201C RED
D908 87-017-827-070 C-LED,SEC 1201C RED
D909 87-017-827-070 C-LED,SEC 1201C RED
D910 87-A40-813-040 C-LED,SEC1E01C BLUE
D911 87-A40-813-040 C-LED,SEC1E01C BLUE
D912 87-A40-813-040 C-LED,SEC1E01C BLUE
LCD901 8A-KTG-612-010 LCD,AKT-16-17 AUX<EXCEPT F>
LCD901 8A-KTG-610-010 LCD,AKT-16-17<F>
PL901 8A-KT7-655-010 LAMP,9V-50MA
PL902 8A-KT7-655-010 LAMP,9V-50MA
S901 87-036-251-080 SW,T CT 6X3.5 160
S902 87-036-251-080 SW,T CT 6X3.5 160
S903 87-036-251-080 SW,T CT 6X3.5 160
S904 87-036-251-080 SW,T CT 6X3.5 160
S905 87-A90-001-080 C-SW,TACT SKQMAL
S906 87-036-251-080 SW,T CT 6X3.5 160
S907 87-036-251-080 SW,T CT 6X3.5 160
S908 87-036-251-080 SW,T CT 6X3.5 160
S909 87-036-251-080 SW,T CT 6X3.5 160
S910 87-036-251-080 SW,T CT 6X3.5 160
S911 87-A90-001-080 C-SW,TACT SKQMAL
S912 87-A90-001-080 C-SW,TACT SKQMAL
S913 87-036-251-080 SW,T CT 6X3.5 160
S915 87-A90-001-080 C-SW,TACT SKQMAL
S916 87-A90-001-080 C-SW,TACT SKQMAL
VR101 87-A91-597-010 SW,RTRY SIM-026MT
W901 8A-KT9-611-010 F-CABLE,3P 50MM
AUX C.B
J901 87-A61-229-010 JACK,3.5 BLK ST W/SW
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage Type Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form
LW t
1.6 0.8 0.45
2 1.25 0.45
3.2 1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W 1005 5% CJ
1.0 0.5 0.35 104
Lt
W
TYPE MODEL NAME SUFFIX
A CT-X420 YU
B CT-X410 YU
C CT-X310 YZ
D CT-X325 YV
E CT-X320 YZ
F CT-X320 YV
G CT-X4100 YL
H CT-X4150 YL

65
TRANSISTOR ILLUSTRATION
BE
C
DTC343TK
KRA111S
KRA226S
KRC102S
KRC111S
KTA1504
KTC3875
E C B
KTC3203
E C B
KRA104M
KRA226M
KRC102M
KRC111M
KTA1267
KTA1273
B C E
2SD2395
KTA1046
IC BLOCK DIAGRAM-1
IC, TC9297FB
IC, LC75374E

87
SCHEMATIC DIAGRAM-1
M1
MTZJ9.1B
YZ/YV ONLY

1234567
8910 11 12 13 14
A
B
C
D
E
F
G
H
I
J
109
WIRING-1
80
15
20
24
25
30
35
40 41
45
50
55
60
1
5
10 70
75
65
64
[YU,YL]
[YV,YZ]
Ref No. A B C D E F G H
TYPE MODEL NAME SUFFIX
C214 C D E F
A CT-X420 YU
C501 A
B CT-X410 YU
C502 A
C CT-X310 YZ
C505 A
D CT-X325 YV
C506 A
E CT-X320 YZ
CN201 A B G H
F CT-X320 YV
CNA201 C D E F
G CT-X4100 YL
CNA202 C D E F
H CT-X4150 YL
D751 D F
D754 A B G H
D757 C D E F
J501-2 A
Q212 C D E F
R111 D F
R217 C D E F
R218 C D E F
DIFFERENCE TABLE
[This table listes the different
components marked with
asterisks (*) in the MAIN CB]

1211
SCHEMATIC DIAGRAM-2
LAMPE+B
VDD
5.4
2.1/0 5.45.42.70
5.4/0.9
5.4/0.9
5.4/0.9
5.4/0.9
0/0.9
0/0.9
0/0.9
0/0.9

13
1234567
A
B
C
D
E
F
G
H
I
J
WIRING-2
1
AA
B
C
D
E
F
G
H
I
J
K
L
M
N
B
C
D
E
F
G
H
I
J
K
L
M
N
23456 654321
30
35
40
45
55
60
20
10
25
5
2
3
1

14
IC BLOCK DIAGRAM-2
IC, TA8259H
IC, KIA6225S