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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

DA TA

R

VI E

ON SI

SPECIFICATIONS -1/1

-2-

ACCESSORIES PARTS LIST -1/1
! C = ! SAFTY PARTS = 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
O AS1001 O AS1002 X AS1003

PARTS-NAME

SUFFIX&MODEL
CR-LA15 YZ1SC a a a

8C-RL8-905-010 IB,YZ(EGFSID)GHC CR-LA15 8C-RL8-906-010 IB,YZ(PHC)GHC CR-LA15 87-B50-078-010 LIST,FACILITY(S)-0007

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ELECTRICAL PARTS LIST -1/2
! C = ! SAFTY PARTS = 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
O X X X X X X O X X O X X X X X X X X X BPF0001 C 0001 C 0002 C 0003 C 0004 C 0005 C 0006 C 0007 C 0008 C 0009 C C C C C C C C C C 0010 0011 0012 0013 0014 0015 0016 0017 0018 0020 S4-110-011-100 S8-055-200-532 S8-055-180-532 S8-056-390-500 S8-036-103-500 S8-054-030-532 S8-036-103-500 87-A10-801-080 S8-020-474-529 S8-056-561-500 87-010-073-080 S8-020-474-529 S8-030-104-500 S8-030-104-500 S8-056-821-500 S8-030-104-500 S8-036-473-500 S8-056-153-500 S8-056-153-500 S8-036-683-549

PARTS-NAME
BAND PASS FILTER GFMB7 C-CAP,20P-50 C-CAP,18P-50 C-CAP,39P-50 C-CAP,S 0.01-16 C-CAP,3P-50 C-CAP,S 0.01-16 C-CAP,S 0.022-16 C-CAP,0.47-10 C-CAP,560P-50 CAP,E 3.3-50 4X5MM C-CAP,0.47-10 C-CAP,0.1-16 C-CAP,0.1-16 C-CAP,820P-50 C-CAP,0.1-16 C-CAP,0.047-16 C-CAP,0.015-50 C-CAP,0.015-50 C-CAP,0.068-16

SUFFIX&MODEL
CR-LA15 YZ1SC a a a a a a a a a a a a a a a a a a a a CR-LA15 YZ1SC a a a a a a a a a a a a a a a a a a a a CR-LA15 YZ1SC a a a a a a a a a a a a a a a a a a a a CR-LA15 YZ1SC a a a a a a a a a a a a a a a a a a a a

X O O X X X X X X X X O O O O O O O S S

C C C C C C C C C C C C C C C C CF CF IC IC

0021 0022 0023 0025 0026 0027 0028 0029 0030 0031 0032 0033 0034 0036 0037 0040 0002 0003 0001 0002

S8-036-683-549 87-015-994-080 87-A10-801-080 S8-036-473-500 S8-036-473-500 S8-020-474-529 S8-020-474-529 S8-056-222-500 S8-056-222-500 S8-020-474-529 S8-020-474-529 87-010-587-010 87-010-587-010 87-010-587-010 87-010-587-010 87-A10-801-080 S2-310-012-400 S2-310-010-800 87-001-815-080 87-A20-076-040

C-CAP,0.068-16 CAP,E 220-4 4V 6.3x5MM C-CAP,S 0.022-16 C-CAP,0.047-16 C-CAP,0.047-16 C-CAP,0.47-10 C-CAP,0.47-10 C-CAP,2200P-50 C-CAP,2200P-50 C-CAP,0.47-10 C-CAP,0.47-10 CAP,E 100-2 CAP,E 100-2 CAP,E 100-2 CAP,E 100-2 C-CAP,S 0.022-16 CERAMIC FILTER 10.7MHZ MA5C10 DISCRMINATOR FILTER CDA 10.7 IC,TA7371AF IC,TA2022AFN

S O O O O O O O O S S S S S X O O O O O

IC 0003 JK 0001 L 0001 L 0002 L 0003 L 0004 L 0005 L 0006 PVC0001 Q 0001 Q Q Q Q R R R R R R 0002 0003 0004 0005 0002 0003 0004 0005 0006 0007

87-A21-126-040 S1-210-012-900 8A-RCE-604-010 S0-002-061-000 S4-010-010-803 S4-010-010-803 87-003-245-080 S4-010-010-803 S2-010-014-100 89-327-143-080 87-A30-314-040 87-A30-314-040 89-115-865-080 89-115-865-080 88-118-222-080 88-118-153-080 88-118-331-080 88-118-224-080 88-118-224-080 88-118-123-080

IC,NJM2096M JACK,SP ST35MM FM SPRING COIL DIA2.5x6.5Tx0. FM SPRING COIL 2x6.5x0.5MM AC C-COIL,1UH C-COIL,1UH C-COIL,22UH C-COIL,1UH FM PVC F28-A14214-1 C-TR, 2SC27140 C-TR BC847C C-TR BC847C C-TR, 2SA1586G C-TR, 2SA1586G C-RES,2.2K-1/10W C-RES,15K-1/10W C-RES,330-1/10W C-RES,220K-1/10W C-RES,220K-1/10W C-RES,12K-1/10W

O O O O X X X X X X O O X O O O O O O O

R R R R R R R R R R R R R SW SW T TC TC VR VR

0008 0009 0010 0011 0012 0013 0014 0015 0017 0018 0019 0020 0021 0001 0002 0001 0001 0002 0001 0002

88-118-223-080 88-118-153-080 88-118-472-080 88-118-332-080 88-118-222-080 88-118-222-080 88-118-392-080 88-118-392-080 88-118-229-080 88-118-229-080 88-118-120-080 88-118-120-080 88-118-470-080 S3-110-019-701 S3-110-019-801 S3-010-012-602 S4-010-011-800 S4-010-011-800 S1-050-311-400 87-A92-075-080

C-RES,22K-1/10W C-RES,15K-1/10W C-RES,4.7K-1/10W C-RES,3.3K-1/10W C-RES,2.2K-1/10W C-RES,2.2K-1/10W C-RES,3.9K-1/10W C-RES,3.9K-1/10W C-RES,2.2-1/10W C-RES,2.2-1/10W C-RES,12-1/10W C-RES,12-1/10W C-RES,47-1/10W SW,SL 2P2T SKY-22D01-G2-OA-T2 SW,SL SKY-23D01-G2-OA-T2 FM IFT 5x5x6MM MT243-1135 CERAMIC TRIMER TZBx4Z100 AB11 CERAMIC TRIMER TZBx4Z100 AB11 VOLUME,DIA=14MM XV010702GP C-SFR,15K POZ3AN-1-153N

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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.

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TRANSISTOR ILLUSTRATION -1/1

B

C

C E

B E

2SC27140 BC847C

2SA1586G

-6-

SCHEMATIC DIAGRAM -1/1

MAIN C.B

L2,TC2 FM FREQUENCY RANGE ADJ L1,TC1
PVC1 TC1,TC2, L1,L2 TC1 VC1 C3 39p C1 20p

Q1
C4 0.01

R2 47

L6 1uH C6 0.01 C22 220-4 R4 330 CF3 FILTER CDA 10.7 C23 0.022 BBS-ON PW-ON PW-OFF SW2-B L3 1uH L4 1uH R20 12 R19 12

JK1 HP JACK

FM TRACKING ADJ
6.5T FM RF L1 C2 18p TC2 VC2 4.5T FM OSC L2

FM IF AMP
R3 15K

IC3 Q4 Q5
Q1 2SC27140 T1 FM-IFT CF2 10.7Mhz MA5C10 C10 3.3-50 R17 2.2

C33 100-2

C34 100-2

POWER AMP
Q5 2SA1586G 8 7
A-OUT

C40 0.022

T1
8
RF-OUT

6
GND

5
B-OUT

R18 2.2

1
V-REF

2
AM-OSC

3
FM-IF IN

4
AM-MIX

5
VCC

6
AM-IF IN

7
QUAD

8
VCC

9
GND

10
IF-OUT

11
IF-REQ

12
SP-OUT

7
VCC

6
MIX-OUT

5
OSC

C7 0.022

FM IF ADJ

C31 0.47 R21 2.2

A-BASE

IC1 TA7371AF
RF-IN GND AFC-C AFC-A

C5 3p

IC2 FM IF , FM MPX
AM-RF IN PW-SW DET OUT PILOT IN

IC2 TA2022AFN
MPX-IN LPF2B LPF2A VCO LPF1 R-OUT L-OUT ST-IND

IC3 NJM2096M
A-IN B-IN VCC B-BASE

C32 0.47

1

2

3

4 Q4 2SA1586G L5 22uH

Q2 Q3
20 19 18 17 16 15 14 13

1 BPF1

2

3

4 R5 220K R6 220K

24

23

22

21

SUPER BASS
C27 0.47

IC1 FM FRONT-END

C8 0.47

C12 0.1

R8 22K

R13 2.2K C13 0.7 R17 0.015 R15 3.9K R11 3.3 Q3 BC847C C26 0.047 C21 0.068 C27 0.47 C37 100-2 SW2-A BBS-ON PW-ON PW-OFF

C9 560p

C11 0.47

R7 12K C14 820p

R9 15K SW1

C15 0.1

VR1-A VOLUME, DIA=14MM R12 2.2K XV010702GP

C-SFR, 15K POZ3AN-1-153N

VR2 C16 0.047

VR2 VCO ADJ

R10 4.7K

C18 0.015 Q2 BC847C

R14 3.9K C20 0.068

C28 0.47

(R03) BATTERY 1.5V C29 2200p C30 2200p

C36 100-2

VR1-B VOLUME, DIA=14MM XV010702GP

VOLTAGE CHART
IC2 (TA2022AFN)
PIN NO. FM PIN NO. FM 1 0.8 13 2 1.36 14 0.55 3 0.9 15 0.55 4 16 5 1.36 17 1.26 6 1.36 18 7 1.36 19 8 20 0.1 9 0 21 0.1 10 22 0.1 11 1.36 23 1.36 12 24 0

SIGNAL : FM

IC1 (TA7371AF)
PIN NO. FM 1 0.7 2 0 3 0 4 0.8 5 1.36 6 1.36 7 1.36 8 1.36

Q4,5 (2SA1586G)
E ON 1.48 C 0.7 B 0.8

Q2,3 (BC847C)
E BASS OFF BASS ON 0 0 C 0 0 B 0.64 0

IC3 (NJM2096M)
PIN NO. ON 1 0 2 0 3 1.48 4 0.8 5 0.7 6 0 7 0.7 8 0.85

Q1 (2SC27140)
E FM 0 C 0.9 B 0.7

-7-

WIRING -1/1
7 6 5 4 3 2 1 1 2 3 4 5 6 7

MAIN C.B (COMPONENT SIDE)
A A

MAIN C.B (CONDUCTOR SIDE)

B

B

C7

C22

C23

SW1

CF3

C

C

R11

VR2

IC2
C9
13 24

C37

C10

SW2

CF2

C13

OFF SW2 POWER

C14

T1

C18 C17

R9

D

D

R8 C12 C11

BATTERY DC1.5V (R03)

C15
R10 R7 L5 Q1
C E

STEREO SW1 STEREO /MONO MONO

12

1

C16
R21 R4 C6
5 4 B

R12 C26 R13 C25

ON

DSL

E

E

C4

C40
F
PVC1 TUNING

F

L1

C8 C6

C1

R3

PVC1

R5

C2 R1

TC1

8

TC2

L2

G

G
1

IC1

BPF1

C36

R15

C21

Q3
B

-B

H

H

E

C3

C34

Q4

R20

C27 C28

Q2
B E

C

L6

L4

R14 C20
C
NOTE CXX

E

C

5 C

4

I

I

IC3
E 8 1

R18 C32

C5

R2

B

R16

B+

L3 R19
B

Q5 R17 C31

RXX QXX

C33

C29 C30

VR1 VOLUME JK1

J

J

-8-

ELECTRICAL ADJUSTMENT -1/1
ADJUSTMENT(TUNER)

4

1

3

L1

TC1

T1 VR2 TC2

2
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

-9-

IC BLOCK DIAGRAM -1/1

IC, TA2022AFN
AM-RF IN DET OUT PILOT IN PW-SW MPX-IN ST-IND SP-OUT R-OUT IF-OUT LPF2B LPF2A L-OUT IF-REQ LPF1 VCC VCC

FM-IF IN

VCO

AM-OSC

AM-IF IN

AM-MIX

QUAD

IC, TA7371AF
RF-OUT VCC MIX-OUT OSC

V-REF

RF-IN

GND

AFC-C

AFC-A

IC, NJM2096M
A-BASE A-OUT GND B-OUT

A-IN

B-IN

VCC B-BASE

-10-

GND

MECHANICAL EXPLODED VIEW -1/1

1 2

16

3

4 15

7

17 5 14 11 10 6 B 9 A 13 D 8

12

C

-11-

MECHANICAL PARTS LIST -1/1
! C = ! SAFTY PARTS = 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
O O O O O O O O O O X O O O O O O O O O MC1001 MC1002 MC1003 MC1004 MC1005 MC1006 MC1007 MC1008 MC1009 MC1010 MC1011 MC1012 MC1013 MC1014 MC1015 MC1016 MC1017 MC1A MC1B MC1C 8C-RL8-005-010 8C-RL8-003-010 8C-RL8-006-010 8C-RL8-001-010 8C-RL8-007-010 8C-RL8-008-010 8C-RL8-009-010 8C-RL8-010-010 8C-RL8-202-010 8C-RL8-204-010 S3-008-010-200 8C-RL8-002-010 8C-RL8-203-010 8C-RL8-004-010 8C-RL8-205-010 8C-RL8-206-010 8C-RL8-201-010 87-262-511-310 S6-517-050-200 S2-117-050-000

PARTS-NAME
LENS,DIAL PANEL,FRONT YZ POINTER,DIAL CABI,FRONT KNOB,SL POWER KNOB,SL MONO/ST KNOB,RTRY TUN CLIP,SIDE GEAR,PVC SPR-P,BATTERY(+) PWB,MAIN CABI,REAR YZ JOINT,PVC GEAR DOOR,BATT BAT-CONTACT,(+) BAT-CONTACT,(-) COVER,TUN KNOB V+1.4-5 BLK (87-262-511-31J) SCREW ST1.7x5 K/B - BLACK S-SCREW,+1.7-5

SUFFIX&MODEL
CR-LA15 YZ1SC a a a a a a a a a a a a a a a a a a a a CR-LA15 YZ1SC a

O MC1D

S2-502-030-000 S-SCREW,+2-3

-12-

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 Gold M Wood Pattern

-13-

OTHERS PARTS LIST -1/1
! C = ! SAFTY PARTS = 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
X X X X X X X X X S3-008-121-000 8C-RL8-852-010 8C-RL8-851-010 S0-710-010-000 87-B40-282-010 S0-400-291-000 87-056-168-010 S0-201-230-000 S0-201-230-000

PARTS-NAME
CHE01-SMT-CRL8 CTN,PRINTED YZ1SC CUSHION,WHITE LABEL LBL,BAR-CODE AU SH, FELT 10x3.5xTHK0.6mm SH,INF-WARR(EC) SPONGE L.D. 8x6x6mm SPONGE L.D. 8x6x6mm

SUFFIX&MODEL
CR-LA15 YZ1SC a a a a a a a a a

-14-

2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
0251431