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CR-AS24
YZ(S)
SERVICE MANUAL
RADIO RECEIVER
· This Service Manual is the "Revision Publishing" and replaces "Simple Manual" of CR-AS24 , (S/M Code No. 09-023-457-5T1).
S/M Code No. 09-024-457-5R1
DA TA
R
VI E
ON SI
SPECIFICATIONS
Frequency range: Maximum output: Power source: Speaker: Maximum dimensions: Weight: FM: 87.5 - 108 MHz AM: 530 - 1,605 kHz 160 mW (EIAJ 4 ) DC 3 V using two R6 (size AA) batteries Diameter 57 mm, 4 67.6 (W) x 114.7 (H) x 28.6 (D) mm (excluding projecting parts and controls) Approx. 133 g (excluding batteries)
· Design and specifications are subject to change without notice.
2
ELECTRICAL PARTS LIST
! C = ! SAFETY 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
MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN
! C REF-NO PARTS-NO
O X O O O O O O O O O X O O O O O O X O C C C C C C C C C C C C C C C C C C C C 0001 0002 0003 0004 0005 0006 0007 0008 0009 0010 0012 0013 0014 0015 0016 0017 0018 0019 0020 0021
PARTS-NAME
CHIP C CAP 47PF 50V +/-10% (1 CHIP CAP 25PF 50V +/-10% (160 CHIP C CAP 47PF 50V +/-10% (1 C-CAP S CER 0.022UF 16V +/-10 ELECT CAPACITOR 10UF 10V +/-2 C-CAP 5PF 50V +/-0.25P NPO 16 C-CAP 22P 50V +/-5% NPO 1608 CHIP CAP NPO 27PF 50V +/-5% ( CHIP C CAP 6PF 50V +/-0.25PF CHIP C.CAP 2PF 50V +/-0.25PF ELECT.CAPACITOR 3.3UF 50V +/CHIP C-CAP S 0.01UF 16V +/-10 ELECT CAPACITOR 10UF 10V +/-2 ELECT CAPACITOR 4.7UF 50V +/ELECT CAPACITOR 10UF 10V +/-2 C-CAP S CER 0.022UF 16V +/-10 ELECT.CAPACITOR 0.47UF 50V +/ ELECT CAPACITOR 10UF 10V +/-2 CERAMIC CAPACITOR 0.1UF 25V + ELECT CAP 470UF 10V +/-20% (6
SUFFIX&MODEL
CR-AS24 YZBSC a a a a a a a a a a a a a a a a a a a a CR-AS24 YZBSC a a a a a a a a a a a a a a a a a a a a CR-AS24 YZBSC a a a a a a a a a a a a a a a a a a a a
87-012-188-080 S8-056-250-500 87-012-188-080 87-A10-801-080 87-A10-468-080 87-012-167-080 87-012-180-080 87-012-182-080 87-012-168-080 87-012-164-080 87-010-403-080 S8-036-103-500 87-A10-468-080 87-010-404-080 87-A10-468-080 87-A10-801-080 87-010-400-080 87-A10-468-080 S5-140-104-400 87-010-221-080
MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN
O O X O X O O O S S O S O O O O O O O X
C C C C C CF CF CF D D
0022 0023 0024 0025 0026 0001 0002 0003 0001 0002
87-016-453-080 87-010-221-080 S8-036-103-500 87-A10-801-080 S8-036-103-500 S1-910-010-300 S2-310-011-700 S2-310-010-100 82-135-799-010 82-135-799-010 S1-210-011-500 S2-522-426-000 8B-RT9-601-010 S1-110-020-000 8B-RT9-601-010 S1-110-013-200 S1-110-100-121 S2-810-010-600 S5-570-100-100 S2-010-015-500
CHIP C-CAP 0.1UF 16V +80% -20 ELECT CAP 470UF 10V +/-20% (6 CHIP C-CAP S 0.01UF 16V +/-10 C-CAP S CER 0.022UF 16V +/-10 CHIP C-CAP S 0.01UF 16V +/-10 CERAMIC FILTER 450KHZ SFU450B CERAMIC FILTER 10.7MHZ MA5-A DISCRMINATOR FILTER CDA10.7MH DIODE IN4148-US-T (TAPE TYPE DIODE IN4148-US-T (TAPE TYPE DIA3.5 STEREO JACK TC38-010 IC KA22426D FM SPRING COIL DIA 3.5x4.5Tx0 FM SPRING COIL DIA3.5x3.5Tx0. FM SPRING COIL DIA 3.5x4.5Tx0 AM OSC COIL 8441A 7ZO-93100 ( AM BAR ANTENNA SET 10x50MM (A AXIAL LEAD INDUCTOR 1.5uH 1/8 DIA3.0MM LED LAMP (RED) 202HD PVC AM/FM FC-22125-4N000-0
HP 0001 IC 0001 L 0001 L 0002 L 0003 L 0005 L 0006 L 0009 LED0001 PVC0001
MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN MAIN
O X O O O O X X X X O O O O X X X X X X
R R R R R R R R R R R SW T VR W W W W W W
0001 0002 0003 0004 0005 0006 0007 0008 0009 0010 0011 0001 0001 0001 0001 0002 0003 0004 0005 0006
88-118-153-080 88-118-122-080 88-118-331-080 88-118-102-080 88-118-472-080 88-121-104-080 88-118-220-080 88-118-152-080 88-118-221-080 88-118-151-080 88-118-102-080 S3-112-005-000 S1-007-000-600 S1-050-311-200 S2-021-001-100 S2-040-901-100 S2-010-501-100 S2-020-301-100 S2-001-101-100 S2-090-401-100
CHIP RESISTOR 15K OHM 1/10W + CHIP RESISTOR 1.2K OHM 1/10W CHIP RESISTOR 330 OHM 1/10W + CHIP RESISTOR 1K OHM 1/10W CHIP RESISTER 4.7K OHM 1/10W CARBON FILM RESISTOR 100K OHM CHIP RESISTOR 22 OHM 1/10W +/ CHIP RESISTOR 1.5K OHM 1/10W CHIP RESISTOR 220 OHM 1/10W + CHIP RESISTOR 150 OHM 1/10W + CHIP RESISTOR 1K OHM 1/10W SLIDE SWITCH SKA-12D01S-G4-NA AM IFT 7.8X7.8X12.5MM (WHITE) ROTARY VOL R121S-10-1.5F-A50K UL-1007 STRANDED AWG#30 100MM UL-1007 STRANDED AWG#30 L=90M UL-1007 STRANDED AWG#30 50MM UL-1007 STRANDED AWG#30 30MM UL-1007 STRANDED AWG#30 110MM UL-1007 STRANDED AWG#30 40MM
3
CHIP RESISTOR PART CODE
Chip Resistor Part Coding
8 8
A
Resistor Code Value of resistor Chip resistor
Dimensions (mm)
Figure
Wattage 1/16W 1/16W 1/10W 1/8W
Type 1005 1608 2125 3216
Tolerance 5% 5% 5% 5%
Symbol CJ CJ CJ CJ
Form
L W
L 1.0
t
W 0.5 0.8 1.25 1.6
t 0.35 0.45 0.45 0.55
:A Resistor Code : A
104 108 118 128
1.6 2 3.2
4
WIRING (MAIN) <1 / 2>
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A
MAIN C.B (COMPONENT SIDE)
NOTE : JPX ANT L10 B PVC1
TC3 TC1
B
C
DX LX
D
E
VR1 L3 D1 L1 JP1 JP3 L2 JP8 T1
1 2 3
D2 3 2 1 JP2
VC1C
PVC1 TUNE
VC1A
VR1 VOL
LXX LXX RX CXX CXX
+
F
G
H
VC10
VC1B
I
J
TC4 5 3 1 L5 C12 2
TC2
SW1
3 2 1
SW1 FM AM
K
CXX CFX CFX
+
L
CF3 C5 C21 C20
M
R6 CF2
5 4
JP7
N
C14 BB+ A SPL9 C15 C19 JP6 C18 C16 JP5
CF1 JP4 2
3 4 5 1
O
HP1
CFX
P Q
C23 SP+
HP1
R
S
T
U
5
WIRING (MAIN) <2 / 2>
1 A 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
MAIN C.B (CONDUCTOR SIDE)
NOTE : RXX CXX LEDX W6 ANT B FM ROD ANT C1 W1 R11 C7 R1 C2 R8 C26 R9 R2 R3 14 15 R7 R4 SP+ C17 A SPW3 C13 1 5 10 IC1 20 25 28 R10 C4 C24 C22 C10 C8 C6 C25 C3
B
L6 (AM BAR ANTENNA)
C
D
E
C9
F
G
H
I
J
K
LED1 TUNING INDICATOR
R5 LED1
W5
L
M
O
P
B+ B+ W4
Q
R
S
SPEAKER 4 ohms
SP+ SP-
W2
T
U
6
BATTERY R6 X 2 (DC 3V)
N
SCHEMATIC DIAGRAM
PVC1 PVC AM/FM FC-22125-4N000-0 TC1 - 4 VC10, 1A, 1B, 1C TUNE
MAIN C.B
FM ROD ANT W6 TP1 C24 0.01 C4 0.022 C5 TC4 VC10 10/10
L6 (AM BAR ANTENNA) G
(
)
C7 22p TC1 B W VC1A
VC1B
TC2
R8 1.5K
1
VC1C
3 5
TC3 C9 6p
R11 1K 1 2
R
D1 1N4148 D2 1N4148 C1 47p C3 47p
C6 5p
L3 FM SPRING COIL
L2 C8 27p FM SPRING COIL
2
VR1
ROTARY VOL R121S-10-1.5F-A50K VOL
L5 AM OSC COIL L5, TC3 AM FREQUENCY RANGE ADJUSTMENT
C12 3.3 / 50
C25 0.022 3
L6, TC4 AM TRACKING ADJUSTMENT
L3, TC1 FM TRACKING ADJUSTMENT
L2, TC2 FM FREQUENCY RANGE ADJUSTMENT
C26 0.01
R1 15K
L1 FM SPRING COIL TP2
R2 1.2K R6 100K
R9 220
C10 2p
W1 SW2 NM W4 W5 W3 SPSP+ W2
LED1 DIA3.0MM LED LAMP (RED)202HD
TUNING INDICATOR
14 FM / AM IF OUT
AM / FM TUNER SYSTEM & POWER AMP IF GND 20 AFC AGC 21 AFC AGC 22 DET OUT 23 AF IN 24 RIPPLE FILTER 25 OUT VCC 26 27 GND 28
CF3 10.7MHZ
C2 25p
SW1 SWITCH SKA-12D01S-G4-NA
R3 330
13 RF GND
12 FM RF IN
11 NC
10 AM RF IN
9 FM RF
8 REG OUT
7 FM OSC
6 AFC
5 AM OSC
4 VOL
3 NF
2 1 FM MUTE DISC
R10 150 L9 1.5uH
IC1 KA22426D
BAND SELECT 15 AM IF IN 16 FM IF IN 17 NC 18 TUNING METER 19
BATTERY R6 X 2 (DC 3V)
SPEAKER 4 ohms
1 AM 2 FM 3 1
2 3 5
C14 10 / 10 C15 4.7 / 50 C16 10 / 10 R4 1K TP3
C18 0.47 / 50
4
C23 470 / 10
TP4
1 2 3 4 5
HP1
R5 4.7K C13 0.01 CF1 450KHZ CF2 10.7MHZ C17 0.022
C19 10 / 10 C21 470 / 10 C20 0.1 C22 0.1
R7 22
T1 AM IFT AM IF ADJUSTMENT
VOLTAGE CHART
PIN 1 0 0 15 1.28 0 2 2.18 2.70 16 0 0 3 1.50 1.50 17 1.27 0 4 0.76 0.76 18 0 0 5 1.22 1.22 19 0 0 6 1.42 1.07 20 0 0 7 1.22 1.22 21 0.82 1.47 8 1.22 1.22 22 1.43 1.08 9 1.22 1.22 23 1.61 0.97 10 1.22 1.22 24 0 0 11 0 0 25 2.70 2.70 12 0.32 0 26 3.00 3.00 13 0 0 27 1.52 1.52 14 0.40 0.10 28 0 0
SIGNAL : FM AM NOTE : NM = NO MOUNT + CXX
LXX
RXX
IC1 KA22426D
VCC = 3.0V
FM AM PIN FM AM
+
7
IC BLOCK DIAGRAM
8
ADJUSTMENT MAIN C.B (COMPONENT SIDE)
L6
PVC1
L3 TC3 3 2 TC4 L5 TC2 L2 T1 TC1
5
4
1
1. AM IF Adjustment Settings : Test point IC1(KA22426D) pin 23 Adjustment Location : T1 T1 ............................................................... 450kHz
4. FM Frequency Range Adjustment Settings : Test point IC1(KA22426D) pin 23 Adjustment Location : L2, TC2 L2 ............................................................... 87.4MHz +0.1/-0.2MHz TC2 ............................................................. 108.3MHz ± 0.2MHz
2. AM Frequency Range Adjustment Settings : Test point IC1(KA22426D) pin 23 Adjustment Location : L5, TC3 L5 ............................................................... 515kHz ± 5kHz TC3 ............................................................. 1635kHz ± 20kHz
5. FM Tracking Adjustment Settings : Test point IC1(KA22426D) pin 23 Adjustment Location : L3, TC1 L3 ............................................................... 88MHz TC1 ............................................................. 108MHz
3. AM Tracking Adjustment Settings : Test point IC1(KA22426D) pin 23 Adjustment Location : L6, TC4 L6 ............................................................... 600kHz TC4 ............................................................. 1400kHz
9
MECHANICAL EXPLODED VIEW
1 2
3
4 17 5
A 6
B
7 10
8
11 12 15 15 C
13
9
16
D D
14
10
MECHANICAL PARTS LIST
! C = ! SAFETY 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
0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 0 0 MC1001 MC1002 MC1003 MC1004 MC1005 MC1006 MC1007 MC1008 MC1009 MC1010 MC1011 MC1012 MC1013 MC1014 MC1015 MC1016 MC1017 MC1A MC1B MC1C
PARTS-NAME
LENS,DIAL YZ PMMA, J-802S BAND SWITCH ABS, J-114Y FRONT CABI ABS, J-NL008,T-MS6 TUNE KNOB ABS, J-NL009 POINTER LDPE, J-191Y VOL. KNOB ABS, J-NL089 HLDR JOIN CRC15 MAIN PCB 94HB-A T=1.2MM STRAP,HAND GRAY 200MM BAR HOLDER-NYLON FM ROD ANT 5 SECTION CONTACT TERMINAL 2.6 DIAx12-0 CABI REAR YZ/YL ABS,J-NL008, BATT, CONTACT(+) BATT,CONTACT(-) DOOR,BATT ABS, J-NL008,T-MS68 SLIM MYLAR SPEAKER DIA=57MM 0 PAN (PHILIP). M-SCREW M1.7x4m PAN (PHILIP) M-SCREW M2.6x4MM PAN (PHILIP) M-SCREW M2.6x3MM
SUFFIX&MODEL
CR-AS24 YZBSC a a a a a a a a a a a a a a a a a a a a CR-AS24 YZBSC a
8C-RCF-011-010 8C-RCF-006-010 8C-RCF-001-010 8C-RCF-007-010 8C-RCF-005-010 8C-RCF-008-010 8C-RCF-201-010 S3-015-010-100 8C-RCJ-016-010 S1-009-011-000 S2-010-012-301 85-RT5-202-010 8C-RCF-009-010 8C-RCF-203-010 8C-RCF-204-010 8C-RCF-003-010 S1-010-032-500 87-268-529-310 87-265-071-210 87-251-070-410
0 MC1D
87-841-034-410 PAN(PHILIP) S-SCREW(B) M2X5mm
11
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
12
ACCESSORIES PARTS LIST
! C = ! SAFETY 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
0 0 0 0 001 002 003 004
PARTS-NAME
3.5mm MONO EARPHONE & PLUG W/ IB YZ(EGFSID) GHC AS24 IB YZ(POHNCZ) GHC AS24 STRAP,HAND GRAY 200MM
SUFFIX&MODEL
CR-AS24 YZBSC a a a a
S1-210-012-800 8C-RCF-905-010 8C-RCF-906-010 8C-RCJ-016-010
13
OTHER PARTS LIST
! C = ! SAFETY 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 X X X X X X X
PARTS-NAME
COVER TOP YZB COVER BOT YZB SLOW DENSITY SPONGE 18x9x7 EYELET DIA1.5 X 4MM EYELET DIA2 X 4MM CRC15 MAIN PCB 94HB-A T=1.2MM UL-1007 STRANDED AWG#30 90MM SPONGE "W8 X L12MM" SPONGE "W8 X L12MM" LBL,BAR-CODE A LIST FACILITY(S)-0007 POLYBAG W76xL100xTHK0.03MM POLY BAG L175 x W60 x 0.03mm BD PRINTED YZBSC INF-WARR SHEET-PAPER(WHITE) LBL SPEC YZ
SUFFIX&MODEL
CR-AS24 YZBSC a a a a a a a a a a a a a a a a
8C-RCF-851-010 8C-RCF-852-010 S0-201-480-000 S8-810-010-200 S8-810-010-000 S3-015-010-100 S2-080-901-100 S4-002-000-500 S4-002-000-500 87-B40-281-010 87-B50-078-010 S0-200-030-000 S0-201-040-000 8C-RCF-853-010 87-056-168-010 8C-RCF-014-010
14
2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
9301944 0251431