Page 1
CR-LA15
YZ(S)
SERVICE MANUAL
STEREO RADIO RECEIVER
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
CR-LA15(YZ)(S/MCode 09-025-360-5T1).
S/M Code No. 09-025-360-5R1
REVISION
DATA
Page 2
SPECIFICATIONS -1/1
-2-
Page 3
ACCESSORIES PARTS LIST -1/1
! = ! SAFTY PARTS
C = Components marked
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
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
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.
-3-
Page 4
ELECTRICAL PA RTS LIST -1/2
! = ! SAFTY PARTS
C = Components marked
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
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
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.
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Page 5
ELECTRICAL PARTS LIST -2/2
• 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.
-5-
Page 6
TRANSISTOR ILLUSTRATION -1/1
C
E
2SC27140
BC847C
B
B
C
E
2SA1586G
-6-
Page 7
SCHEMATIC DIAGRAM -1/1
MAIN C.B
C3
39p
PVC1
TC1,TC2,
L1,L2
C1
20p
BPF1
TC1
C40
0.022
L2,TC2
FM FREQUENCY RANGE ADJ
L1,TC1
FM TRACKING ADJ
6.5T
FM RF
VC1
RF-OUT
TC2L1
C2
18p
8765
MIX-OUT OSCVCC
IC1
TA7371AF
RF-IN
1
AFC-C
234
VC2
4.5T
FM OSC
L2
AFC-AGND
IC1
Q1
T1
FM-IFT
C7
0.022
C5
IC2
3p
FM FRONT-END
R2
47
FM IF AMP
C4
R3
0.01
15K
Q1
2SC27140
T1
FM IF ADJ
FM IF , FM MPX
R5 220K R6 220K
C8
0.47
C6
0.01
R4
330
CF2
10.7Mhz
MA5C10
123456789101112
V-REF VCC QUAD VCC GND IF-OUT IF-REQ SP-OUTFM-IF
AM-OSC AM-MIX
IN
AM-IF
IN
C22
220-4
CF3
FILTER CDA 10.7
C10
3.3-50
C23
0.022
IC2
TA2022AFN
PW-SW
C9
560p
DET
OUT
C12
0.1R822K
C11
0.47
PILOT
MPX-IN LPF2B LPF2A VCO LPF1 R-OUT L-OUT ST-IND
IN
C13 0.7
R7
12K
C14
820p
R9
15K
SW1
C15
0.1
R17
0.015
AM-RF
IN
24 23 22 21 20 19 18 17 16 15 14 13
BBS-ON
PW-ON
PW-OFF
R11
3.3
SW2-B
R21
2.2
Q2 Q3
SUPER BASS
C27
0.47
Q3
BC847C
C26
0.047
C31
0.47
R17
2.2
R13 2.2K
R15 3.9K
C21
0.068
R12 2.2K
IC3 Q4 Q5
POWER AMP
Q5
2SA1586G
C27
0.47
VR1-A
VOLUME,
DIA=14MM
XV010702GP
L6 1uH
L3 1uH
C33
100-2
8765
A-BASE A-OUT B-OUTGND
IC3
NJM2096M
A-IN B-IN VCC B-BASE
1234
C37
100-2
L4 1uH
C34
100-2
Q4
2SA1586G
BBS-ON
PW-ON
PW-OFF
R19 12
R20 12
SW2-A
HP JACK
R18
2.2
C32
0.47
L5 22uH
JK1
VOLTAGE CHART
IC2 (TA2022AFN)
PIN NO. 12345678
FM 0.8 1.36 0.9 - 1.36 1.36 1.36 -
PIN NO. 13 14 15 16 17 18 19 20 21 22 23 24
FM - 0.55 0.55 - 1.26 - - 0.1 0.1 0.1 1.36 0
IC1 (TA7371AF) Q4,5 (2SA1586G) Q2,3 (BC847C)
PIN NO. 12345678
FM 0.7 0 0 0.8 1.36 1.36 1.36 1.36
IC3 (NJM2096M)
PIN NO. 12345678
ON 0 0 1.48
9 101112
0 - 1.36 -
ECB
ON 1.48 0.7 0.8
Q1 (2SC27140)
ECB
FM 0 0.9 0.70.8 0.7 0 0.7 0.85
C-SFR, 15K
POZ3AN-1-153N
VR2
VCO ADJ
BASS OFF 0 0 0.64
BASS ON 0 0 0
ECB
VR2
C16
0.047
R10
4.7K
C18
0.015
Q2
BC847C
SIGNAL :
FM
R14 3.9K
C20
0.068
C28
0.47
VR1-B
VOLUME,
DIA=14MM
XV010702GP
C29
2200p
C30
2200p
(R03)
BATTERY
1.5V
C36
100-2
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Page 8
WIRING -1/1
7
654321
1
2
3
MAIN C.B (COMPONENT SIDE) MAIN C.B (CONDUCTOR SIDE)
A
A
B
B
C22
SW2
POWER
STEREO
MONO
OFF
ON
SW1
C37
SW2
CF2
T1
VR2
CF3
C10
C
C
BATTERY
DC1.5V
D
D
(R03)
C18
C17
SW1
STEREO
/MONO
R11
456
B+
C23
C7
C16C15
112
IC2
R10
2413
C9
R16
L5
R9
C14
C13
R8
R7
C12
C11
7
DSL
PVC1
TUNING
L2
PVC1
C36
TC2
L1
TC1
BPF1
C33
C34
C26
R12
C40
C8
C6
R5
Q5
B
C31
C
C25
R13
E
R15
5
8
C4
B
Q1
R3
EC
C1
85
IC1
1
C
E
C21
C27
Q3
B
C
E
C28
4
IC3
1
C30C29
C2
R21
R4
C6
R1
4
B
Q2
B
E
R18
C32
Q4
R2
C5
C20
R14
C
NOTE
CXX
RXX
QXX
E
E
F
F
G
G
H
H
-B
C3
L6
I
I
R20
L4
L3
R19
R17
VR1
VOLUME
JK1
J
J
-8-
Page 9
ELECTRICAL ADJUSTMENT -1/1
ADJUSTMENT(TUNER)
413
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
L1
TC1
TC2
2
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
-9-
Page 10
IC BLOCK DIAGRAM -1/1
I
I
I
C, TA2022AFN
PW-SW
AM-RF IN
DET OUT
PILOT IN
LPF2B
MPX-IN
LPF2A
VCC
LPF1
R-OUT
L-OUT
ST-IND
V-REF
FM-IF IN
AM-OSC
AM-MIX
VCO
AM-IF IN
QUAD
VCC
GND
IF-OUT
IF-REQ
SP-OUT
C, TA7371AF
OSCMIX-OUTVCCRF-OUT
RF-IN GND AFC-C AFC-A
C, NJM2096M
B-OUTGNDA-OUTA-BASE
A-IN B-IN VCC B-BASE
-10-
Page 11
MECHANICAL EXPLODED VIEW -1/1
1
9
3
16
15
1
2
3
4
7
17
5
4
11
10
6
B
A
1
D
8
12
C
-11-
Page 12
MECHANICAL PARTS LIST -1/1
! = ! SAFTY PARTS
C = Components marked
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
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
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.
-12-
Page 13
COLOR NAME TABLE -1/1
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 Gol d M Wood Pattern
-13-
Page 14
OTHERS PARTS LIST -1/1
! = ! SAFTY PARTS
C = Components marked
UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL
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
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.
-14-
Page 15
0251431
2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
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