Aiwa CR-DX501 User manual

SERVICE MANUAL
DATA
RADIO RECEIVER
CR-DX501
S/M Code No. 09-003-343-8R1
YU(S),YZ(S),
YL(S)
REVISION
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
CR-DX501YU(S)(S/M Code No. 09-003-343-8T1)
CR-DX501YZ(S),YL(S)(S/M Code No. 09-003-343-8T2).

2
SPECIFICATIONS
•
Design and specifications are subject to change without
notice.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES/PACKAGE LIST
1 8A-RC7-901-010 IB,YU(3L)<YU<S>>
1 8A-RC7-904-010 IB,YL(ESP)<YL<S>>
1 8A-RC7-905-010 IB,YZ(EGF)<YZ<S>>
1 8A-RC7-906-010 IB,YZ(SID)<YZ<S>>
1 8A-RC7-907-010 IB,YZ(PHC)<YZ<S>>
2 87-B30-319-010 HEADPHONE,HP-M046(S) NECK-BAND
3 8A-RC7-004-010 CLIP,BELT

3
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
87-A21-407-040 C-IC,TA2104BFN
87-017-642-080 IC,CXA1622M
87-A21-605-010 C-IC,TC9318FA-056
87-A20-755-080 C-IC,AK93C45AF
TRANSISTOR
89-342-153-080 TR,2SC4215
89-341-165-080 CHIP TRANSISTOR 2SC4116GR
89-113-625-080 TR,2SA1362GR(120MHZ,0.
87-026-467-080 TR,HN1C01F (0.3W)
89-508-804-080 CHIP FET 2SK880Y
DIODE
87-020-339-080 CHIP DIODE,1SS226
87-001-553-080 C-DIODE 1SS322
MAIN C.B
BPF101 87-A90-749-010 FLTR,GFEB5
C101 87-012-199-080 CAP 220P
C102 87-012-286-080 CAP, U 0.01-25
C103 87-010-831-080 C-CAP,U,0.1-16F
C104 87-010-873-080 C-CAP,U 560-50 SL
C105 87-012-335-080 C-CAP,U 270P-50 SL
C107 87-012-172-080 CAPACITOR CHIP U 10P CH
C108 87-012-167-080 C-CAP,U 5P-50 CH
C109 87-010-873-080 C-CAP,U 560-50 SL
C110 87-010-872-080 C-CAP,U 470P-50 SL
C111 87-012-162-080 C-CAP,U 1P-50 CK
C112 87-012-274-080 CHIP CAP,U 1000P-50B
C114 87-010-197-080 CAP, CHIP 0.01 DM
C115 87-012-172-080 CAPACITOR CHIP U 10P CH
C116 87-012-272-080 C-CAP,U 680P-50 B
C117 87-012-174-080 CAP CHIP CERA SS 12P CHJ
C118 87-012-268-080 C-CAP,U 330P-50 B
C119 87-A10-047-080 C-CAP,U 1-10 Z F
C120 87-A10-047-080 C-CAP,U 1-10 Z F
C121 87-010-831-080 C-CAP,U,0.1-16F
C122 87-A10-047-080 C-CAP,U 1-10 Z F
C123 87-010-831-080 C-CAP,U,0.1-16F
C124 87-012-286-080 CAP, U 0.01-25
C125 87-012-286-080 CAP, U 0.01-25
C126 87-A10-463-080 C-CAP,U 0.47-10 Z F
C127 87-010-419-010 CAP,E 4.7-16 SRE
C128 87-010-831-080 C-CAP,U,0.1-16F
C129 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C130 87-012-286-080 CAP, U 0.01-25
C131 87-012-286-080 CAP, U 0.01-25
C132 87-012-286-080 CAP, U 0.01-25
C133 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C134 87-010-831-080 C-CAP,U,0.1-16F
C135 87-010-033-010 CAP,E 10-16
C136 87-010-033-010 CAP,E 10-16
C137 87-012-274-080 CHIP CAP,U 1000P-50B
C139 87-012-285-080 C-CAP,U 8200P-50 KB
C140 87-010-785-080 C-CAP,U0.015-25BK
C141 87-010-785-080 C-CAP,U0.015-25BK
C143 87-010-781-080 C-CAP,U 390P-50 SL
C146 87-A10-463-080 C-CAP,U 0.47-10 Z F
C147 87-A10-463-080 C-CAP,U 0.47-10 Z F
C148 87-012-274-080 CHIP CAP,U 1000P-50B
C149 87-012-274-080 CHIP CAP,U 1000P-50B
C150 87-010-831-080 C-CAP,U,0.1-16F
C151 87-010-196-080 CHIP CAPACITOR,0.1-25
C152 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C153 87-010-082-010 CAPACITOR, 220MF 4V/87-0
C158 87-010-031-010 CAP,E 3.3-25 M BK
C159 87-010-031-010 CAP,E 3.3-25 M BK
C170 87-010-162-080 CAP, CHIP 47P
C171 87-010-805-080 CAP, S 1-16
C172 87-010-188-080 CAP,CHIP 6800P
C173 87-010-501-010 CAP,E 47-4 M KS
CF101 87-A91-162-010 FLTR,PFS450A7
CF102 87-A90-991-010 FLTR,SFE10.7 MS239-A
CF103 87-A91-094-010 FLTR,CDA10.7 MG80A
J101 8A-RCL-608-010 JACK,TC38 ST W/O SW
L102 8A-RC7-601-010 COIL,FM RF
L103 8A-RC7-602-010 COIL,FM OSC
L104 87-003-152-080 COIL, 100UH
L105 8A-RC7-603-010 COIL,BAR-ANT
L110 87-003-231-080 C-COIL 1UH
L111 87-003-231-080 C-COIL 1UH
L112 87-003-231-080 C-COIL 1UH
SW102 87-A91-152-010 SW,SL 1-1-2 SSSS212-11-A
T101 87-A91-366-010 IFT,MW 5PLG
T102 87-A91-366-010 IFT,MW 5PLG
TC101 87-A91-657-010 TRIMMER,20P 4.0X4.5 ECRL
VC101 87-A40-462-040 C-VARI-CAP,SVC347(S)
VC102 87-A40-471-070 C-VARI-CAP,KV1435
VC103 87-A40-471-070 C-VARI-CAP,KV1435
VER001 87-001-553-080 C-DIODE 1SS322
VR101 87-A91-741-010 VR,RTRY 20KBX2 H XV0102GPV1NB
FRONT C.B
C501 87-012-286-080 CAP, U 0.01-25
C502 87-010-132-010 CAP, ELECT 1-50V
C503 87-010-831-080 C-CAP,U,0.1-16F
C504 87-010-501-010 CAP GAS 47UF 4V
C506 87-012-176-080 CAP 15P
C507 87-012-176-080 CAP 15P
C508 87-010-831-080 C-CAP,U,0.1-16F
C509 87-010-831-080 C-CAP,U,0.1-16F
C510 87-010-831-080 C-CAP,U,0.1-16F
C511 87-010-831-080 C-CAP,U,0.1-16F
C512 87-012-273-080 C-CAP,U 820P-50 B
C513 87-012-273-080 C-CAP,U 820P-50 B
C514 87-012-273-080 C-CAP,U 820P-50 B
C515 87-012-273-080 C-CAP,U 820P-50 B
LCD001 8A-RC7-605-010 LCD,ARC-7
SW511 87-A91-152-010 SW,SL 1-1-2 SSSS212-11-A
SW512 87-A91-152-010 SW,SL 1-1-2 SSSS212-11-A
X501 87-A70-187-010 VIB,XTAL 75KHZ CFV206

4
TRANSISTOR ILLUSTRATION
• 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.
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
2SA1362GR
2SC4116GR
2SC4215
E
B
C
2SK880Y HN1C01F
D
S
GE2
B2
C1
B1
E1
C2

65
LCD DISPLAY
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
COM1
COM1
---
---
---
---
---
---
---
1c
2e
2g
2d
---
3e
3d
---
4d
4g
5
---
COM2
---
---
AM
---
---
---
1b
2f
2a
2c
---
3f
3g
DOT
4e
4a
4c
---
---
COM3
FM
---
S1
S2
S3
S4
S5
MEMO
2b
S-BASS
3a
3b
3c
4f
HOLD
4b
COM2 COM3
BLOCK DIAGRAM

87
WIRING
7654321123
4567
A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
R137
R121
R120
C118
R106
Q101
VC103
L103L104
C109
R105
TP14
C122
R128
C125
T101
BPF101
C171 C105
C147
C127
C141
R148
C137
R149
Q107
R175 R138
C134 C151
C153
L111
R153
R122
C149
R155
R141
Q106
C146
C119
C120
C121
R114
C114
C104
VC101
C103
C139
C101
R156
R150
IC102 L112
R154
C148
R171 R174
C132
R112
VC102
C110 C126
C118
C140
R130
R116
R172
D171
C172
Q108 C143
CF101
CF102
CF103
C170
C173
R173
R170
C128
C129
R117
C117 R108
R101
R102
C150 C136
L110
C135
R151
R152
C123
R113
R140
R129
R104
C111
R107
C112
C102
R126 C115 C116 R111 C107
R118
C131
C130
R119
E
E
B
B
C
C
Q103
Q102
IC101
Q104
BATTERY
DC3V
(R03 x 2)
E
E
EB
B
BC
C
C
Q105
C133
C159
13
4
6
TP7
Q109
C158
C152
TC101
TP11
10
1
A
C
B
B
E
E
C
C
T102
TP19
TP8
VR101
VOLUME
J101
PHONES
EB
C
MAIN C. B
(CONDUCTOR SIDE)
L102
GRY
WHT
RED
GRN
L105
AM BAR ANT
SW102
MAIN C.B
(COMPONENT SIDE)
SW507
M5
SW506
M4
SW510
M3
SW509
M2
SW508
M1
SW504 SW505
SW503
POWER
1
5
10
SW501
MEMO
SW502
BAND
1510 15 19
LCD1
FRONT C.B
(COMPONENT SIDE)
D504
A
C
VER1 D503
C
ACA
C
A
D505
R512 C512
C513 R513
R514 R515 C514 C515
HOLD
ON
OFF
SW511
TP15
10
1
5
Q505
R511
R516
E
B
C
5
8
1
4
R506
TEST1
C503 C504 R507
C501
R501
C502
Q502
DS
G
R505
R503 R504
TP12
C506
C507C508
C509 C511
C510 TP13
TP17
Q501
BC
ER502
9K 10K
SW512
AC
CA
D502
D501
IC501
IC502
X501
FRONT C.B
(CONDUCTOR SIDE)

109
SCHEMATIC DIAGRAM
SWITCH
POWER SWITCH
HEADPHONE
AMP
4.7
PHONES
J101
3.3
3.3
3.3k
VOLUME
3.3k
3.3k
1F
2.7k
2.2k
IF AMP
IF AMP
2.2k
4.7
1.2k
IF AMP
3.3k
IFT
T101
AM IF
AMP
IC101
AM/FM TUNER
FM RF
4.7k
3.3k
8.2k
VC103, L103
FM OSC
VC102, L2
FM RF
3.3k
AM OSC
L105
AM RF
DC DC CONVERTER
4V
2.2k
LPF
2.2k
LPF
MEMO
SWITCH
IC502
MEMORY
CPU
FM OSC
MAIN C.B
FRONT C.B
1 2 3 4 5 6 7 8 9
10
1 2 3 4 5 6 7 8 9
10

1211
VOLTAGE CHART ELECTRICAL ADJUSTMENT

13
EQUIPMENT CONNECTION DIAGRAMS

14
PRACTICAL SERVICE FIGURE
< AM SECTION >
Sensitivity: 49dB (600kHz)
(S/N 10dB) 47dB (1,000kHz)
45dB (1,400kHz)
Distortion: Less than 1.5% (1,000kHz)
(Input 100dB)
Intermeduate Frequency: 450kHz±3kHz
Signal to Noise Ratio: 30dB (600kHz)
(Input 74dB) 30dB (1,000kHz)
30dB (1,400kHz)
< FM SECTION >
Sensitivity: 12dB (88MHz)
(THD 3%) 12dB (98MHz)
12dB (100MHz)
Distortion: Less than 1%
Intermediate Frequency: 10.7MHz±0.15MHz
Stereo Separation: More than 25dB

15
IC BLOCK DIAGRAM
IC, TA2104BFN
IC, CXA1622M
IN1IN2
REGSW VOLNC NF1NF2 GNDGND P GND1P GND2 OUT1OUT2 V
CC
RIPPLE
16 15 14 13 12 11 10 9
87654321
REG VOL
PRE+POWER1
PRE+POWER2

16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
IC, TC9318FA-056
Pin No. Pin Name I/O Description
IC DESCRIPTION
COM1
COM2
COM3
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
LCD10
LCD11
LCD12
LCD13
LCD14
LCD15
LCD16
LCD17
KR5
KR4
KR3
KR2
KR1
KR0
K0
K1
K2
K3
RADIO ON
ATTN1
ATTN2
BAND1
BAND2
BAND3
RADIO/BUZZER
IF REQ
LIGHT ON
S-BASS OUT
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
I
O
O
O
LCD COMMON.
LCD COMMON.
LCD COMMON.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
LCD SEGMENT.
KEY RETURN TIMING OUTPUT
KEY RETURN TIMING OUTPUT. (Not connected)
KEY RETURN TIMING OUTPUT.
KEY RETURN TIMING OUTPUT.
KEY RETURN TIMING OUTPUT.
KEY RETURN TIMING OUTPUT.
KEY INPUT.
KEY INPUT.
KEY INPUT.
KEY INPUT.
RADIO FANCTIONS, C WHEN ALARM OUTPUT, H OUTPUT.
WHEN ALARM OUTPUT H™H™L™L OUTPUT at 10sec. (Not connected)
WHEN ALARM OUTPUT H™L™H™L OUTPUT at 10sec.
AM FANCTIONS H OUTPUT.
FM FANCTIONS H OUTPUT. (Not connected)
E: LW or J: TV or U: TV, WEATHER FANCTIONS H OUTPUT. (Not connected)
ALARM SELECTION H : RADIO ALARM L: FBUZZER ALARM.
(Connected to VDD)
DURING AUTO SCANNING H OUTPUT.
LIGHT KEY PUSHED H OUTPUT.
S BASS KEY PUSHED HºL OUTPUT CICRIC.

17
Pin No. Pin Name I/O Description
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
HOLD
E-PROM1
E-PROM2
BATT IND
POWER SW
ALARM OUT
MUTE
TEST
INH
IF IN
DO1
DO2
GND
FM IN
AM IN
VDD
RESET
X OUT
X IN
V XT
V LCD
C1
C2
VEE
L INPUT, KEYS HOLD.
E-PROM INTERFACE.
E-PROM INTERFACE.
A/D INPUT FOR BATTRY INDICATOR. (Connected to VDD)
H INPUT, RADIO ON.
ALARM1,ALARM2 OUTPUT.
WHEN MUTE ON, H OUTPUT.
(Not connected)
L INPUT RADIO OFF.
IF SIGNAL INPUT.
PLL OUTPUT. (Connected to VDD)
PLL OUTPUT.
GND.
FM OSC SIGNAL INPUT.
AM OSC SIGNAL INPUT.
Power Supply Pin.
(Pull up)
(Pull down)
(Pull down)
I
I/O
I/O
A/D
I
O
O
I
I
I
O
O
—
I
I
—
I
O
I
—

18
MECHANICAL EXPLODED VIEW 1/1
27

19
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
MECHANICAL PARTS LIST 1/1
Basic color symbol Color Basic color symbol Color Basic color symbol 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-RC7-006-010 KEY,BAND
2 8A-RC7-007-010 KEY,POW
3 8A-RC7-005-010 WINDOW,LCD
4 8A-RC7-009-010 KNOB,SL HOLD
5 8A-RC7-010-010 KNOB,SL FM MODE
6 8A-RC7-001-010 CABI,FRONT YU
7 8A-RC7-208-010 BAT-CONTACT,(+/-)
8 8A-RC7-003-010 LID,BATT YU<YU<S>>
8 8A-RC7-012-010 LID,BATT YZ<YZ<S>,YL<S>>
9 8A-RC7-008-010 KEY,PRE/TUNE
10 8A-RC7-603-010 COIL,BAR-ANT
11 8A-RC7-201-010 HLDR,ANT
13 8A-RC7-211-010 HLDR,BAND
14 8A-RC7-203-010 HLDR,PRESET
15 8A-RC7-204-010 HLDR,POW/BAND
16 8A-RC7-205-010 HLDR,LCD
17 8A-RC7-605-010 LCD,ARC-7
18 8A-RC7-202-010 BASE,LCD
20 8A-RC7-210-010 HLDR,JACK
21 87-A91-741-010 VR,RTRY 20KBX2 H XV0102GPV1NB
22 8A-RCL-608-010 JACK,TC38 ST W/O SW
23 8A-RC7-206-010 BAT-CONTACT,(+)
24 8A-RC7-207-010 BAT-CONTACT,(-)
25 8A-RC7-002-010 CABI,REAR YU<YL<S>,YU<S>>
25 8A-RC7-011-010 CABI,REAR YZ<YZ<S>>
26 8A-RC7-004-010 CLIP,BELT
27 8A-RC7-209-010 CONN, RUBBER LCD
A 87-354-529-310 VT2+1.7-4
B 87-B10-304-010 VT2+1.7-10 W/O CR
C 87-B10-026-030 VT2+1.7-8 CR HL
D 87-357-529-310 VT2+1.7.0 GLD

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931196 Printed in Singapore