Aiwa CR-LA15 YZ User manual

SERVICE MANUAL
DATA
STEREO RADIO RECEIVER
S/M Code No. 09-025-360-5R1
REVISION
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
CR-LA15(YZ)(S/MCode 09-025-360-5T1).
CR-LA15 YZ(S)

-2-
SPECIFICATIONS -1/1

! = ! SAFTY PARTS
C = Components marked
All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
-3-
ACCESSORIES PARTS LIST -1/1
CR-LA15
YZ1SC
O AS1001 8C-RL8-905-010 IB,YZ(EGFSID)GHC CR-LA15 a
O AS1002 8C-RL8-906-010 IB,YZ(PHC)GHC CR-LA15 a
X AS1003 87-B50-078-010 LIST,FACILITY(S)-0007 a

! = ! SAFTY PARTS
C = Components marked
All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
-4-
ELECTRICAL PARTS LIST -1/2
CR-LA15
YZ1SC
O BPF0001 S4-110-011-100 BAND PASS FILTER GFMB7 a
X C 0001 S8-055-200-532 C-CAP,20P-50 a
X C 0002 S8-055-180-532 C-CAP,18P-50 a
X C 0003 S8-056-390-500 C-CAP,39P-50 a
X C 0004 S8-036-103-500 C-CAP,S 0.01-16 a
X C 0005 S8-054-030-532 C-CAP,3P-50 a
X C 0006 S8-036-103-500 C-CAP,S 0.01-16 a
O C 0007 87-A10-801-080 C-CAP,S 0.022-16 a
X C 0008 S8-020-474-529 C-CAP,0.47-10 a
X C 0009 S8-056-561-500 C-CAP,560P-50 a
O C 0010 87-010-073-080 CAP,E 3.3-50 4X5MM a
X C 0011 S8-020-474-529 C-CAP,0.47-10 a
X C 0012 S8-030-104-500 C-CAP,0.1-16 a
X C 0013 S8-030-104-500 C-CAP,0.1-16 a
X C 0014 S8-056-821-500 C-CAP,820P-50 a
X C 0015 S8-030-104-500 C-CAP,0.1-16 a
X C 0016 S8-036-473-500 C-CAP,0.047-16 a
X C 0017 S8-056-153-500 C-CAP,0.015-50 a
X C 0018 S8-056-153-500 C-CAP,0.015-50 a
X C 0020 S8-036-683-549 C-CAP,0.068-16 a
CR-LA15
YZ1SC
X C 0021 S8-036-683-549 C-CAP,0.068-16 a
O C 0022 87-015-994-080 CAP,E 220-4 4V 6.3x5MM a
O C 0023 87-A10-801-080 C-CAP,S 0.022-16 a
X C 0025 S8-036-473-500 C-CAP,0.047-16 a
X C 0026 S8-036-473-500 C-CAP,0.047-16 a
X C 0027 S8-020-474-529 C-CAP,0.47-10 a
X C 0028 S8-020-474-529 C-CAP,0.47-10 a
X C 0029 S8-056-222-500 C-CAP,2200P-50 a
X C 0030 S8-056-222-500 C-CAP,2200P-50 a
X C 0031 S8-020-474-529 C-CAP,0.47-10 a
X C 0032 S8-020-474-529 C-CAP,0.47-10 a
O C 0033 87-010-587-010 CAP,E 100-2 a
O C 0034 87-010-587-010 CAP,E 100-2 a
O C 0036 87-010-587-010 CAP,E 100-2 a
O C 0037 87-010-587-010 CAP,E 100-2 a
O C 0040 87-A10-801-080 C-CAP,S 0.022-16 a
O CF 0002 S2-310-012-400 CERAMIC FILTER 10.7MHZ MA5C10 a
O CF 0003 S2-310-010-800 DISCRMINATOR FILTER CDA 10.7 a
S IC 0001 87-001-815-080 IC,TA7371AF a
S IC 0002 87-A20-076-040 IC,TA2022AFN a
CR-LA15
YZ1SC
S IC 0003 87-A21-126-040 IC,NJM2096M a
O JK 0001 S1-210-012-900 JACK,SP ST35MM a
O L 0001 8A-RCE-604-010 FM SPRING COIL DIA2.5x6.5Tx0. a
O L 0002 S0-002-061-000 FM SPRING COIL 2x6.5x0.5MM AC a
O L 0003 S4-010-010-803 C-COIL,1UH a
O L 0004 S4-010-010-803 C-COIL,1UH a
O L 0005 87-003-245-080 C-COIL,22UH a
O L 0006 S4-010-010-803 C-COIL,1UH a
O PVC0001 S2-010-014-100 FM PVC F28-A14214-1 a
S Q 0001 89-327-143-080 C-TR, 2SC27140 a
S Q 0002 87-A30-314-040 C-TR BC847C a
S Q 0003 87-A30-314-040 C-TR BC847C a
S Q 0004 89-115-865-080 C-TR, 2SA1586G a
S Q 0005 89-115-865-080 C-TR, 2SA1586G a
X R 0002 88-118-222-080 C-RES,2.2K-1/10W a
O R 0003 88-118-153-080 C-RES,15K-1/10W a
O R 0004 88-118-331-080 C-RES,330-1/10W a
O R 0005 88-118-224-080 C-RES,220K-1/10W a
O R 0006 88-118-224-080 C-RES,220K-1/10W a
O R 0007 88-118-123-080 C-RES,12K-1/10W a
CR-LA15
YZ1SC
O R 0008 88-118-223-080 C-RES,22K-1/10W a
O R 0009 88-118-153-080 C-RES,15K-1/10W a
O R 0010 88-118-472-080 C-RES,4.7K-1/10W a
O R 0011 88-118-332-080 C-RES,3.3K-1/10W a
X R 0012 88-118-222-080 C-RES,2.2K-1/10W a
X R 0013 88-118-222-080 C-RES,2.2K-1/10W a
X R 0014 88-118-392-080 C-RES,3.9K-1/10W a
X R 0015 88-118-392-080 C-RES,3.9K-1/10W a
X R 0017 88-118-229-080 C-RES,2.2-1/10W a
X R 0018 88-118-229-080 C-RES,2.2-1/10W a
O R 0019 88-118-120-080 C-RES,12-1/10W a
O R 0020 88-118-120-080 C-RES,12-1/10W a
X R 0021 88-118-470-080 C-RES,47-1/10W a
O SW 0001 S3-110-019-701 SW,SL 2P2T SKY-22D01-G2-OA-T2 a
O SW 0002 S3-110-019-801 SW,SL SKY-23D01-G2-OA-T2 a
O T 0001 S3-010-012-602 FM IFT 5x5x6MM MT243-1135 a
O TC 0001 S4-010-011-800 CERAMIC TRIMER TZBx4Z100 AB11 a
O TC 0002 S4-010-011-800 CERAMIC TRIMER TZBx4Z100 AB11 a
O VR 0001 S1-050-311-400 VOLUME,DIA=14MM XV010702GP a
O VR 0002 87-A92-075-080 C-SFR,15K POZ3AN-1-153N a

-5-
• 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.
ELECTRICAL PARTS LIST -2/2

-6-
TRANSISTOR ILLUSTRATION -1/1
2SC27140
BC847C
CE
B
2SA1586G
BE
C

-7-
SCHEMATIC DIAGRAM -1/1
IC1
C3
39p C1
TC1
TC1,TC2,
L1,L2
VC1 TC2L1
6.5T
FM RF 4.5T FM OSC
L2
VC2
20p C2
PVC1
18p
C5
3p
R5 220K R6 220K
C40
BPF1
RF-OUT
V-REF VCC QUAD VCC GND IF-OUT IF-REQ SP-OUTFM-IF
IN AM-IF IN
AM-OSC AM-MIX
MPX-IN LPF2B LPF2A VCO LPF1 R-OUT L-OUT ST-IND
A-IN B-IN VCC B-BASE
A-BASE A-OUT B-OUTGND
DET
OUT
AM-RF
IN PILOT IN
PW-SW
MIX-OUT OSCVCC
RF-IN AFC-C AFC-AGND
IC1
TA7371AF IC2 TA2022AFN
IC3
NJM2096M
1
123456789101112
24 23 22 21 20 19 18 17 16 15 14 13
234
8765
1234
8765
0.022 C7
T1
FM-IFT
0.022
C8
0.47
C12
C13 0.7
0.1 R8 22K
R7
12K
R10
4.7K
R9
15K
VR2
PIN NO. 12345678
PIN NO. 12345678
PIN NO. 12345678
9 101112
PIN NO. 13 14 15 16 17 18 19 20 21 22 23 24
FM 0.8 1.36 0.9 - 1.36 1.36 1.36 -
FM 0.7 0 0 0.8 1.36 1.36 1.36 1.36
ON 0 0 1.48
ECB
ECB
ON 1.48 0.7 0.8 ECB
BASS OFF 0 0 0.64
BASS ON 0 0 0
FM 0 0.9 0.70.8 0.7 0 0.7 0.85
0 - 1.36 -
FM - 0.55 0.55 - 1.26 - - 0.1 0.1 0.1 1.36 0
SW1
C-SFR, 15K
POZ3AN-1-153N
C9
560p
C14
820p
C11
0.47 C15
0.1
C18
R12 2.2K
R14 3.9K
R15 3.9K
R13 2.2K
0.015 C20
0.068
Q2
BC847C
Q3
BC847C
C16
0.047
C26
0.047
C21
0.068
C27
0.47
R17
2.2
R21
2.2
R11
3.3
R17
0.015
C31
0.47
C23
SW2-B
SW2-A
BBS-ON
PW-ON
PW-OFF
BBS-ON
PW-ON
PW-OFF
0.022
C22
220-4
C10
3.3-50
CF3
FILTER CDA 10.7 C33
100-2
C28
0.47
VR1-A
VOLUME,
DIA=14MM
XV010702GP
VR1-B
VOLUME,
DIA=14MM
XV010702GP
C29
2200p
C30
2200p
C27
0.47
C37
100-2
C36
(R03)
100-2
BATTERY
1.5V
Q4
2SA1586G
Q5
2SA1586G
R2 C6
47
R4
330
CF2
10.7Mhz
MA5C10
R3
15K
C4
0.01
Q1
2SC27140
0.01
FM FRONT-END
IC2 (TA2022AFN)
IC1 (TA7371AF) Q4,5 (2SA1586G) Q2,3 (BC847C)
Q1 (2SC27140)
IC3 (NJM2096M)
VOLTAGE CHART
IC2
FM IF , FM MPX
T1
FM IF ADJ
L1,TC1
FM FREQUENCY RANGE ADJ
L2,TC2
FM TRACKING ADJ
VR2
VCO ADJ
Q1
FM IF AMP
Q2 Q3
IC3 Q4 Q5
SUPER BASS
POWER AMP
R18
R20 12
R19 12
2.2
C32
0.47
C34
L4 1uH
L5 22uH
L3 1uH
L6 1uH
100-2
JK1
HP JACK
MAIN C.B
FM
SIGNAL :

-8-
WIRING -1/1
76543211234567
A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
MAIN C.B (COMPONENT SIDE) MAIN C.B (CONDUCTOR SIDE)
CXX
NOTE
RXX
QXX
BATTERY
IC2
IC1
IC3
1
1
112
2413
4
85
B
EC
B
B
BB
E
E
E
E
C
C
CC
4
8
5
DC1.5V
(R03)
C22
SW1
SW2
CF2
T1
L1
L2
TC1
TC2
C36
C34
C33 CF3
VR2
C10
B+
C16C15
C23
R7
L5
R21
R4
C6
Q1
R10
C18
C40
C8
C6
C17
C37
JK1
TUNING
PVC1
PVC1
VOLUME
VR1
POWER
SW2 ON
OFF
DSL
STEREO
/MONO
SW1
MONO
STEREO
BPF1
C7
R11
R16
R9
R2
R3
R5
C4
C1 R1
R14
Q2
Q4
Q3
C28
R18
C32
C30C29
R19
C3
C31
Q5
R17
L3
C27
C2
C5
C20
C21
R15
R20
L6 L4
-B
C26 C25
R12 R13
C13
C14
R8
C12
C11 C9

-9-
ELECTRICAL ADJUSTMENT -1/1
ADJUSTMENT(TUNER)
413
2
TC2
TC1
L1
T1
VR2
1. FM IF Adjustment
Settings : Test Point IC2(TA2022AFN)22PIN
Adjustment Location : T1
T1............................................10.7MHz
2. FM Frequency Range Adjustment
Settings : Test Point IC2(TA2022AFN)22PIN
Adjustment Location : L2 TC2
L2...........................................87.4+0.1/-0.2MHz
TC2............................................108.3+0.2/-0.2MHz
3. FM Tracking Adjustment
Settings : Test Point IC2(TA2022AFN)22PIN
Adjustment Location : L1 TC1
L1...........................................88MHz
TC1...........................................108MHz
4. VCO Adjustment
Settings : Test Point IC(TA2022AFN)12PIN
Adjustment Location : VR2
VR2.............................................19KHz

-10-
IC BLOCK DIAGRAM -1/1
I
C, TA7371AF
I
C, TA2022AFN
I
C, NJM2096M
V-REF
AM-OSC
FM-IF IN
AM-IF IN
AM-MIX
IF-OUT
GND
QUAD
IF-REQ
SP-OUT ST-IND
L-OUT R-OUT LPF1 LPF2A LPF2B MPX-IN PILOT IN DET OUT PW-SW AM-RF IN VCC
VCO VCC
RF-IN GND AFC-C AFC-A
OSCMIX-OUTVCCRF-OUT
A-IN B-IN VCC B-BASE
B-OUTGNDA-OUTA-BASE

-11-
MECHANICAL EXPLODED VIEW -1/1
A
C
D
B
1
2
3
4
5
7
17
16
15
1
4
10
8
12
9
11
6
1
3

! = ! SAFTY PARTS
C = Components marked
All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
-12-
MECHANICAL PARTS LIST -1/1
CR-LA15
YZ1SC
O MC1001 8C-RL8-005-010 LENS,DIAL a
O MC1002 8C-RL8-003-010 PANEL,FRONT YZ a
O MC1003 8C-RL8-006-010 POINTER,DIAL a
O MC1004 8C-RL8-001-010 CABI,FRONT a
O MC1005 8C-RL8-007-010 KNOB,SL POWER a
O MC1006 8C-RL8-008-010 KNOB,SL MONO/ST a
O MC1007 8C-RL8-009-010 KNOB,RTRY TUN a
O MC1008 8C-RL8-010-010 CLIP,SIDE a
O MC1009 8C-RL8-202-010 GEAR,PVC a
O MC1010 8C-RL8-204-010 SPR-P,BATTERY(+) a
X MC1011 S3-008-010-200 PWB,MAIN a
O MC1012 8C-RL8-002-010 CABI,REAR YZ a
O MC1013 8C-RL8-203-010 JOINT,PVC GEAR a
O MC1014 8C-RL8-004-010 DOOR,BATT a
O MC1015 8C-RL8-205-010 BAT-CONTACT,(+) a
O MC1016 8C-RL8-206-010 BAT-CONTACT,(-) a
O MC1017 8C-RL8-201-010 COVER,TUN KNOB a
O MC1A 87-262-511-310 V+1.4-5 BLK (87-262-511-31J) a
O MC1B S6-517-050-200 SCREW ST1.7x5 K/B - BLACK a
O MC1C S2-117-050-000 S-SCREW,+1.7-5 a
CR-LA15
YZ1SC
O MC1D S2-502-030-000 S-SCREW,+2-3 a

-13-
COLOR NAME TABLE
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 GM Metallic Green
YM Metallic Yellow DM Metallic Orange PT Transparent Pink
LA Aqua Blue GL Light Green HT Transparent Gray
HM Metallic Gray NH Champagne Gold M Wood Pattern
COLOR NAME TABLE -1/1

! = ! SAFTY PARTS
C = Components marked
All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
-14-
OTHERS PARTS LIST -1/1
CR-LA15
YZ1SC
X S3-008-121-000 CHE01-SMT-CRL8 a
X 8C-RL8-852-010 CTN,PRINTED YZ1SC a
X 8C-RL8-851-010 CUSHION,WHITE a
X S0-710-010-000 LABEL a
X 87-B40-282-010 LBL,BAR-CODE AU a
X S0-400-291-000 SH, FELT 10x3.5xTHK0.6mm a
X 87-056-168-010 SH,INF-WARR(EC) a
X S0-201-230-000 SPONGE L.D. 8x6x6mm a
X S0-201-230-000 SPONGE L.D. 8x6x6mm a

2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:[phone]
0251431