Aiwa CT-Z110 User manual

SERVICE MANUAL
DATA
BASIC TAPE MECHANISM : TN-715-DH-116
STEREO CAR
CASSETTE RECEIVER
CT-Z110
S/M Code No. 09-005-344-9R1
YJ(S)
REVISION
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-005-344-9T1).

2
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES LIST
1 8A-KTH-902-010 IB,Y(E CH A) 110
2 8A-KT5-908-010 IB,INST,YH,Y (E CK CH A)-A
3 86-KT1-237-010 HLDR,REAR MTG
4 87-B10-141-010 NUT,5 TYPE-2
5 87-B10-143-010 UT1+5-15 W/O SLOT
6 87-B10-144-010 W,5.2-10-0.5
7 87-B10-145-010 W-SPR,5.3-8.5-1.5
8 88-KT1-247-010 S-SCREW,HEXAGON
9 8Z-KT1-231-010 HLDR,HALF -T
10 8Z-KT1-232-010 KEY,REMOVE -T
11 8Z-KT1-251-010 S-SCREW,5*6 TH+ TAPPING ST
12 8Z-KT1-625-010 CONN ASSY,16P SOC016
SPECIFICATIONS
RADIO SECTION
(FM)
Frequency Range: 87.5 MHz–108 MHz
(50-kHz steps)
87.5 MHz-108 MHz
(100-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)
Frequency Range: 531 kHz–1,602 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. (17/8ips)
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: 35 W x 4 channels
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
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.

3
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
87-A21-191-010 IC,KIA6225S
8Z-KT1-622-010 C-IC,LC75374E
8Z-KTG-622-010 IC,TA8259H
87-A21-540-030 C-IC,LC72336-9911
TRANSISTOR
87-A30-473-080 TR,KRC102M-AT
8Z-KTH-622-080 TR,KTC3198Y
8Z-KTH-623-080 TR,KTA1267Y
87-A30-295-010 TR,KRA226M
8Z-KTH-627-080 TR,KTA1273Y
87-A30-475-080 TR,KRA104M-AT
8Z-KTH-626-080 TR,KTC3203Y
87-A30-476-010 TR,KTA1046Y
89-423-953-010 TR,2SD2395F
87-026-313-080 TR,DTC343TS
87-A30-467-040 C-TR,KRA111S-RTK
87-A30-468-040 C-TR,KRC102S-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)
87-001-783-080 DIODE,1N4002
87-A40-509-080 ZENER,MTZJ 6.8C
87-070-022-010 DIODE,IN5402 (RECT)
87-A40-344-080 ZENER,MTZJ6.2C
87-070-334-080 ZENER,MTZJ10B
87-A40-337-080 ZENER,MTZJ 6.8B
87-A40-523-080 ZENER,MTZJ9.1B
87-A40-256-080 DIODE,RB441Q40
MAIN C.B
C101 87-018-119-080 CAP, CER 100P-50V
C102 87-018-134-080 CAPACITOR,TC-U 0.01-16
C103 87-018-134-080 CAPACITOR,TC-U 0.01-16
C104 87-018-209-080 CAP, CER 0.1-50V
C105 87-018-134-080 CAPACITOR,TC-U 0.01-16
C106 87-010-402-080 CAP, ELECT 2.2-50V
C107 87-010-380-080 CAP, ELECT 47-16V
C108 87-010-380-080 CAP, ELECT 47-16V
C109 87-018-209-080 CAP, CER 0.1-50V
C114 87-018-134-080 CAPACITOR,TC-U 0.01-16
C115 87-010-380-080 CAP, ELECT 47-16V
C116 87-018-209-080 CAP, CER 0.1-50V
C117 87-018-209-080 CAP, CER 0.1-50V
C118 87-018-134-080 CAPACITOR,TC-U 0.01-16
C119 87-010-992-080 C-CAP,S 0.047-25 B
C120 87-010-992-080 C-CAP,S 0.047-25 B
C201 87-018-131-080 CAP, CER 1000P-50V
C202 87-018-131-080 CAP, CER 1000P-50V
C203 87-010-378-080 CAP, ELECT 10-16V
C204 87-010-378-080 CAP, ELECT 10-16V
C205 87-010-248-080 CAP, ELECT 220-10V
C206 87-010-248-080 CAP, ELECT 220-10V
C207 87-010-198-080 CAP, CHIP 0.022
C208 87-010-198-080 CAP, CHIP 0.022
C209 87-010-263-080 CAP, ELECT 100-10V
C210 87-010-401-080 CAP, ELECT 1-50V
C211 87-010-401-080 CAP, ELECT 1-50V
C212 87-010-380-080 CAP, ELECT 47-16V
C301 87-018-131-080 CAP, CER 1000P-50V
C302 87-018-131-080 CAP, CER 1000P-50V
C303 87-010-401-080 CAP, ELECT 1-50V
C304 87-010-401-080 CAP, ELECT 1-50V
C401 87-010-401-080 CAP, ELECT 1-50V
C402 87-010-401-080 CAP, ELECT 1-50V
C403 87-010-401-080 CAP, ELECT 1-50V
C404 87-010-401-080 CAP, ELECT 1-50V
C405 87-010-184-080 CHIP CAPACITOR 3300P(K)
C406 87-010-184-080 CHIP CAPACITOR 3300P(K)
C407 87-010-198-080 CAP, CHIP 0.022
C408 87-010-198-080 CAP, CHIP 0.022
C409 87-010-378-080 CAP, ELECT 10-16V
C410 87-010-378-080 CAP, ELECT 10-16V
C411 87-016-083-080 C-CAP,S 0.15-16 RK
C412 87-016-083-080 C-CAP,S 0.15-16 RK
C413 87-016-083-080 C-CAP,S 0.15-16 RK
C414 87-016-083-080 C-CAP,S 0.15-16 RK
C415 87-010-378-080 CAP, ELECT 10-16V
C416 87-010-378-080 CAP, ELECT 10-16V
C417 87-010-380-080 CAP, ELECT 47-16V
C418 87-010-196-080 CHIP CAPACITOR,0.1-25
C419 87-010-378-080 CAP, ELECT 10-16V
C420 87-010-401-080 CAP, ELECT 1-50V
C421 87-010-401-080 CAP, ELECT 1-50V
C422 87-010-401-080 CAP, ELECT 1-50V
C423 87-010-401-080 CAP, ELECT 1-50V
C424 87-010-196-080 CHIP CAPACITOR,0.1-25
C425 87-010-196-080 CHIP CAPACITOR,0.1-25
C501 87-016-083-080 C-CAP,S 0.15-16 RK
C502 87-016-083-080 C-CAP,S 0.15-16 RK
C503 87-016-083-080 C-CAP,S 0.15-16 RK
C504 87-016-083-080 C-CAP,S 0.15-16 RK
C505 87-018-196-080 CAP, CER 1500P-16V
C506 87-018-196-080 CAP, CER 1500P-16V
C507 87-018-196-080 CAP, CER 1500P-16V
C508 87-018-196-080 CAP, CER 1500P-16V
C509 87-010-404-080 CAP, ELECT 4.7-50
C510 87-018-209-080 CAP, CER 0.1-50V
C511 8A-KC7-623-000 CAP,E 2200U-16 PW
C512 87-010-401-080 CAP, ELECT 1-50V
C513 87-010-401-080 CAP, ELECT 1-50V
C520 87-010-182-080 C-CAP,S 2200P-50 B
C521 87-010-182-080 C-CAP,S 2200P-50 B
C601 87-018-209-080 CAP, CER 0.1-50V
C602 87-010-379-080 CAP, ELECT 22-16V
C604 87-018-209-080 CAP, CER 0.1-50V
C605 87-010-379-080 CAP, ELECT 22-16V
C606 87-010-380-080 CAP, ELECT 47-16V
C607 87-010-263-080 CAP, ELECT 100-10V
C701 87-010-314-080 C-CAP,S 22P-50V
C702 87-010-197-080 CAP, CHIP 0.01 DM
C703 87-010-263-080 CAP, ELECT 100-10V
C704 87-010-198-080 CAP, CHIP 0.022
C705 87-010-313-080 CAP, CHIP 18P
C706 87-010-315-080 C-CAP,S 27P-50 CH
C707 87-018-131-080 CAP, CER 1000P-50V
C708 87-010-401-080 CAP, ELECT 1-50
C712 87-018-208-010 CAP,TC-U 0.047-50 F
C713 87-018-208-010 CAP,TC-U 0.047-50 F
C801 87-018-134-080 CAPACITOR,TC-U 0.047
C802 87-018-134-080 CAPACITOR,TC-U 0.047
CNA201 8Z-KTH-652-010 CONN ASSY,3P (HEAD)
CNA202 8Z-KTH-651-010 CONN ASSY,8P (DECK)
CON201 87-009-031-010 CONNECTOR, 3P
CON202 87-099-408-010 CONN,8P EH V WHT
CON301 8Z-KTH-612-010 CONN,3P HEADER-STRAIGHT
CON601 8Z-KT1-624-010 CONN,16P SOC017
!F601 8Z-KC1-621-010 FUSE,15A
J101 8Z-KT1-614-010 ANT,AW-002
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
L601 8Z-KT1-615-010 FLTR,AMORPHOUS -CHOKE
L701 87-A50-375-010 COIL,1UH K LAL02

4
REF. NO PART NO. KANRI DESCRIPTION
NO.
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
L702 87-003-149-080 COIL,47UH
SW901 87-A91-152-010 SW,SL 1-1-2 SSSS212-11-A
TUN101 8A-KC8-624-010 TU UNIT, FAE347-A16
X701 87-A70-175-010 VIB,XTAL 4.5MHZ AT-49
FRONT C.B
D801 87-017-827-070 C-LED,SEC1201C,RED
D802 87-017-827-070 C-LED,SEC1201C,RED
D803 87-017-827-070 C-LED,SEC1201C,RED
D804 87-A40-813-040 C-LED,SEC1E01C BLUE
D805 87-A40-813-040 C-LED,SEC1E01C BLUE
D806 87-A40-813-040 C-LED,SEC1E01C BLUE
LCD801 8A-KTG-612-010 LCD,AKT-17
PL801 8A-KT7-655-010 LAMP,9V-50MA
PL802 8A-KT7-655-010 LAMP,9V-50MA
SW801 87-036-251-080 SW,T CT 6X3.5 160
SW802 87-036-251-080 SW,T CT 6X3.5 160
SW803 87-036-251-080 SW,T CT 6X3.5 160
SW804 87-036-251-080 SW,T CT 6X3.5 160
SW805 87-036-251-080 SW,T CT 6X3.5 160
SW806 87-036-251-080 SW,T CT 6X3.5 160
SW807 87-036-251-080 SW,T CT 6X3.5 160
SW808 87-036-251-080 SW,T CT 6X3.5 160
SW809 87-036-251-080 SW,T CT 6X3.5 160
SW810 87-036-251-080 SW,T CT 6X3.5 160
SW811 87-036-251-080 SW,T CT 6X3.5 160
SW812 87-036-251-080 SW,T CT 6X3.5 160
SW813 87-036-251-080 SW,T CT 6X3.5 160
SW814 87-036-251-080 SW,T CT 6X3.5 160
SW815 87-036-251-080 SW,T CT 6X3.5 160
VR801 87-A91-597-010 SW,RTRY SIM-026MT
AUX C.B
J301 87-A61-229-010 JACK,3.5 BLK ST W/SW

65
TRANSISTOR ILLUSTRATION IC BLOCK DIAGRAM-1
IC, LC75374E
IC, KIA6225S
BE
C
KRA111S
KRA226S
KRC102S
KRC111S
E C B
KTC3198
KTC3203
E C B
DTC343TS
KRA104M
KRA226M
KRC102M
KTA1267
KTA1273
B C E
2SD2395
KTA1046

87
SCHEMATIC DIAGRAM

1234567
8910 11 12 13 14
A
B
C
D
E
F
G
H
I
J
109
WIRING-1

1211
WIRING-2 IC BLOCK DIAGRAM-2
IC, TA8259H
123456
7
A
B
C
D
E
F
G
H
I
J
1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
A
B
C
D
E
F
G
H
I
J
K
L
M
N
2345 54321

1413
LCD DISPLAY
Pin No. Pin Name I/O Description
IC DESCRIPTION
1
2
3
4
5
6
7
8-14
15-18
19
20
21
22
23
24
25
26
27
28-55
56-58
59-60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
X-IN
TEST2
RE1
CLK-AVR
DATA EVR
CE EVR
LED CONT
T6-T0
K3-K0
LOCAL
RE2
IF-REQ
TAPE IN
AUDIO MUTE
STANDBY MUTE
POWER MUTE
BEEP
NC
S27-S1
COM3-COM1
VDD2-VDD1
RADIO CONT
BAND CONT
MOTOR CONT
POWER CONT
PHONE MUTE
FF/REW
SD/ST
TA DIR
ACC-IN
IF-IN
NC
SNS
VDD
FMOSC
AMOSC
VSS
LPF
LPF
TEST1
XOUT
I
I
I
O
O
O
O
O
I
O
I
O
I
O
O
O
O
-
O
O
-
O
O
O
O
I
I
I
I
I
I
-
I
-
I
I
-
O
-
I
O
System clock oscillator.
Device test input.
Rotary encoder input 1.
Clock output to electronic VR (LC75374)
CE output to electronic VR (LC75374)
Chip enable output to electronic VR (LC75374)
LED control.
Key scan signal output.
Key scan signal input.
LOCAL/DX switching signal output during seeking. (LOCAL = H)
Rotary encoder input 2.
IF CONT signal request output. (REQ ON = H)
Tape inserted status detection input.
Audio muting output.
Standby muting output to power amp.
Muting output to power amp.
Beep sound output.
Not connected.
Display segments signal output.
Common 3-1 for display.
Device power supply.
Radio mode control output. (RADIO = L)
Radio band control output. (FM = L, AM = H)
Motor control output. (Motor ON = H)
Unit power control output.
Muting control.
Tape fast forward and fast rewind mode detection input.
SD : Stop pulse input when seeking FM/AM station.
ST : Display input (STEREO = H) accepted only during reception.
FWD/REV mechanism position detection input. (FWD = H)
Car accessory on/off input. (ON = H)
IF CONT signal input.
Not connected.
Voltage failure judgement input.
Device power supply.
FM local oscillation input.
AM local oscillation input.
Device ground.
Charge pump output for low-pass filter.
Not connected.
Device test input.
Crystal oscillator output.
IC, LC72336
COM1
No.
COM2
COM3
COM4
1
COM4
2
COM3
3
COM2
COM1
4
MT
5
LO
CD-CH
CT
TP
6
R
Bar10
MY INFO
AF
7
DSSA
Bar9
Bar1
2d
8
2e
2f
1a,e,f,j,k
2m
9
2l
2j
2g
2n
10
2k
2i
2h
Bar2
11
2c
2b
2a
3d
12
3e
3f
Bar3
3m
13
3l
3j
3g
3n
14
3k
3i
3h
TA
15
3c
3b
3a
4d
16
4e
4f
Bar4
4m
17
4l
4j
4g
4n
18
4k
4i
4h
H-BASS
19
4c
4b
4a
5d
20
5e
5f
Bar5
COM1
No.
COM2
COM3
COM4
21
5g 5h 5a Bar6
22
5i 5b 6f
23
5c 6e
6dDot15n
5k
5m
5l
5j
24
6m
25
6l
6j
6g
6n
26
6k
6i
6h
L
27
6c
6b
6a
7d
28
7e
7f
Dot2
7m
29
7l
7j
7g
7n
30
7k
7i
7h
Dot3
31
7c
7b
7a
8d
32
8e
8f
Bar7
8m
33
8l
8j
8g
8n
34
8k
8i
8h
35
8c
8b
8a
9d
36
9e
9f
Bar8
9m
37
9l
9j
9g
9n
38
9k
9i
9h
ST
39
9c
9b
9a

1615
MECHANICAL EXPLODED VIEW 1/1
38
SH,PWB
A
CHAS,SIDE-R
B
E
AUX C.B
29
28
LCD801
27
26
25
F
F
FRONT C.B
6
4
3
2
1
5
B
14
15
13
7
811
810
12
CHAS,SIDE-L
A
A
B
16
18
19
17
20
21
24
22
23
B
33
B
TN-715-DH-116
34
35
36
B
A
A
A
D
A
HT-SINK,
A-UO
32
37
40
MAIN C.B
B
B
30
31 41
C
A
G
39