Page 1
FR-AP77W
YU(W)
SERVICE MANUAL
RADIO RECEIVER
S/M Code No. 09-00C-349-0N3
DATA
Page 2
SPECIFICATIONS
Design and specifications are subject to change without
•
notice
.
-2-
Page 3
ACCESSORIES/PACKAGE LIST-1/1
REF. NO PART NO. KANRI DESCRIPTION
1 8A-RU8-901-010 IB,YU(3L)C
NO.
-3-
Page 4
ELECTRICAL MAIN PARTS LIST-1/1
REF. NO PART NO. KANRI DESCRIPTION
IC
8A-RU8-602-010 IC,KA22426 D
8A-RU8-604-010 IC,LC7730
TRANSISTOR
8Z-KTH-623-080 TR,KTA1267Y
87-A30-197-080 TR,KTA1267GR
87-A30-198-080 TR,KTC3199-Y
89-110-154-080 TR,2SA1015Y
DIODE
87-070-345-080 DIODE,IN4148
87-A40-398-010 DIODE,1N4001
MAIN C.B
C1 87-A11-076-080 CAP,TC U 33P-50 J CH
C2 87-A11-080-080 CAP,TC U 47P-50 J CH
C3 87-A11-075-080 CAP,TC U 27P-50 J CH
C7 87-A11-827-080 CAP,CER 22P-50 J RH
C9 87-A11-835-080 CAP,CER 2P-50 J CH
C10 8A-RU8-619-010 CAP,CER 130P
C11 87-A11-843-080 CAP,CER 10P-50 D CH
C15 87-010-419-080 CAP,E 4.7-16 SRE
C19 87-A12-685-080 CAP,E 1-16 KS
C20 87-010-419-080 CAP,E 4.7-16 SRE
C22 87-010-544-010 CAP 0.1-50V
C23 87-010-374-010 CAP, ELECT 47-10V
C24 87-010-221-010 CAP, ELECT 470-10V
C27 87-010-248-010 CAP, ELECT 220-10V
C29 87-015-645-010 BP CAP ELECT 100-16
NO.
REF. NO PART NO. KANRI DESCRIPTION
C31 87-016-515-080 CAP,CER 1000P-1K
C32 87-010-679-080 CAP,CER 10-16 KS
C34 87-010-179-010 CAP,CHIP S B1200P
C36 87-010-248-010 CAP, ELECT 220-10V
CF1 8A-RH2-611-010 FLTR,SFU450 B
CF2 87-A91-574-010 FLTR,LT10.7 MS2 AE-R
!
J1 8A-RU8-603-010 JACK,DC 04-730A1 02BKA
L1 8A-RU8-618-010 COIL,FM ANT
L2 8A-RUA-624-010 ANT,BER W/CORE
L3 8A-RUA-626-010 COIL,FM RF
L4 8A-RU8-622-010 COIL,FM OSC
L5 8A-RUA-623-010 COIL,AM OSC A106 RED
L6 87-003-050-010 CHOKE COIL,47UH
L7 87-003-050-010 CHOKE COIL,47UH
L8 8A-RU8-615-010 COIL,BEAD
L9 8A-RU8-615-010 COIL,BEAD
PL1 8A-RU8-607-010 LAMP,5V80MA
PVC1 8A-RUA-615-010 TUN-CAP,20P-160P-82P ST505
SW1 8A-RU8-605-010 SW,SLIDE 2C-2P 6MM
SW2 8A-RU8-605-010 SW,SLIDE 2C-2P 6MM
SW3 8A-RU8-605-010 SW,SLIDE 2C-2P 6MM
T1 8A-RUA-621-010 IFT,FM FD BLK
T2 8A-RUA-622-010 IFT,AM AA0 YEL
VR1 8A-RUA-617-010 VR,RTRY 50KB F-12NPD
SNOOZE C.B
SW4 8A-RU8-606-010 SW,TACT TS114-164
SW5 8A-RU8-606-010 SW,TACT TS114-164
NO.
• 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.
CHIP RESISTOR PART CODE
Chip Resistor Part Coding
88
A
Resistor Code
Chip resistor
Wattage Type Tolerance
1/16W 1005 5% CJ
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
Symbol
Figure
Value of resistor
CJ
CJ
CJ
Form
L
W
Dimensions (mm)
LW t
1.0 0.5 0.35 104
t
1.6 0.8 0.45
2 1.25 0.45
3.2
1.6
108
118
128
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Page 5
BLOCK DIAGRAM-1/1
10 7 9 5 4
3
5
4
26 27
12
AM RF
L2
FM OSC
L4
FM RF
L3
AM OSC
L5
ALARM OUT
SNOOZE
MAIN C.B
SPEAKER UNIT
15
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Page 6
WIRING-1/3 (MAIN 1/2)
MAIN C.B
(COMPONENT SIDE)
PVC1
PVC1
TUNING
FM ANT
6
WH2
CN1
2
A
B
MAIN C.B
A
(CONDUCTOR SIDE)
B
876543211345678
9 10111213141516910111213141516
14
C
C
D
D
E
E
SW3
ALARM
F
F
OFF ON
G
G
H
H
I
I
SW1
BAND
VR1
VOLUME
AM FM
1
16
IC2
J
K
L
M
SW2
N
J
1415
K
L
M
N
128
1
ALARM MODE
O
O
BUZZER RADIO
B
E
P
P
9
Q
Q
8
R
R
S
DC 4V
T
U
-6-
J1
S
T
U
NOTE
Lxxx
E
BC
Page 7
WIRING-2/3 (SNOOZE 1/2)
123456789101112131415
A
B
C
D
E
SNOOZE C.B
(CONDUCTOR SIDE)
WH1
1
4
SW5
POWER
F
G
H
I
J
K
L
M
N
SW4
SNOOOZE
&LIGHT
-7-
ON AUTO OFF
O
P
Q
R
S
T
U
Page 8
WIRING-3/3 (MAIN/SNOOZE 2/2)
1
A
B
C
D
234567
E
F
G
H
I
J
K
-8-
Page 9
IC BLOCK DIAGRAM-1/1
IC, KA22426D
IC, LC7730
-9-
Page 10
TRANSISTOR ILLUSTRATION-1/1
E C B
KTC3199
E C B
KTA1267
KTA1270
2SA1015
-10-
Page 11
SCHEMATIC DIAGRAM-1/1
PVC1
(TC1-4,VC1-4)
TUNING
L2,TC1
AM TRACKING ADJ.
BAMD
L3,TC2
FM TRACKING ADJ.
L4,TC3
FM FREQ.RANGE ADJ.
L5,TC4
AM FREQ.RANGE ADJ.
AM/FM IF POWER IC
/16V
/16V
/50V
VOLUME
/16V
/10V
/10V
/10V
MAIN C.B
CNA1
CN1
(1/2)
/10V
RADIO
ALARM MODE
BUZZER
BUZZER
CONTROL
Q2,Q3,Q5,Q6
ALARM SIGNAL
SWITCHING
WH2
(3/4)
4
2
3
3
WH2
(4/4)
WH1(2/2)
SW4
SNOOZE & LIGHT
SNOOZE C.B (2/2)
Q7,Q8
POWER SWITCHING
/10V
TIMER IC
WH2
(1/4)
1
WH1
1
(1/2)
4
SW5
2
WH2 (2/4)
SNOOZE C.B (1/2)
NOTE
POWER ON/OFF
J1
DC 4V
R6(AA) x 3
CN1(2/2)
CLOCK BATTERY
R6 (AA) DC 1.5V
VOLTAGE CHART
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Page 12
ELECTRICAL ADJUSTMENT-1/1
1. AM IF Adjustment
Settings: • Test point: TP-2, TP-5
• Adjustment location: T2
T2 .......................................................................... 450kHz
2. AM Frequency Range Adjustment
Settings: • Test point: TP-2, TP-5
• Adjustment location: L5, TC4
L5 .......................................................................... 515kHz
TC4....................................................................... 1650kHz
3. AM Tracking Adjustment
Settings: • Test point: TP-6, TP-7
• Adjustment location: L2, TC1
L2 ................................................ 600kHz waveform max.
TC1............................................. 1400kHz waveform max.
4. FM IF Adjustment
Settings: • Test point: TP-2, TP-5
• Adjustment location: T1
T1 ........................................................................10.7MHz
5. FM Frequency Range Adjustment
Settings: • Test point: TP-2, TP-5
• Adjustment location: L4, TC3
L4 ...........................................................................87MHz
TC3........................................................................109MHz
6. FM Tracking Adjustment
Settings: • Test point: TP-6, TP-7
• Adjustment location: L3, TC2
L3 .................................................90MHz waveform max.
TC2..............................................106MHz waveform max.
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Page 13
MECHANICAL EXPLODED VIEW 1/1
12
B
11
P.C.B
23
7
8
9
C
6
5
3
2
1
4
B
C
6
13
15
16
CASE, SHIELD
HIMELON T APE
14
B
P.C.B
17
10
18
D
20
21
22
19
A
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Page 14
MECHANICAL PARTS LIST 1/1
REF. NO PART NO. KANRI DESCRIPTION
1 8A-RU8-015-010 PLATE,CLOCK FACE
2 8A-RU8-077-010 CABI,FRONT U W
3 8A-RU8-009-010 LENS,DIAL
4 8A-RU8-031-010 RING,ALARM W
5 8A-RU8-030-010 POINTER,DIAL W
6 8A-RU8-028-010 KNOB,SL BAND W
7 8A-RU8-027-010 KNOB,SL ALARM W
8 8A-RU8-014-010 PLATE,ALARM
9 8A-RU8-026-010 KNOB,RTRY TUN W
10 8A-RU8-025-010 KNOB,RTRY VOL W
11 8A-RU8-071-010 BTN,POW/SNOOZE W YH
12 8A-RU8-078-010 CABI,REAR U W
13 8A-RU8-029-010 KNOB,RTRY TIME SET W
14 8A-RUA-628-010 SPKR,57 8OHM 0.5W
15 8A-RU8-023-010 DOOR,BATT W
NO.
REF. NO PART NO. KANRI DESCRIPTION
16 8A-RU8-108-010 GUIDE,POINTER
17 8A-RU8-104-010 BAT-CONTACT,- CLOCK
18 8A-RU8-103-010 BAT-CONTACT,+ CLOCK
19 8A-RU8-105-010 BAT-CONTACT,+ RADIO
20 8A-RU8-106-010 BAT-CONTACT,- RADIO
21 8A-RU8-107-010 BAT-CONTACT,+,- RADIO
22 8A-RU8-109-010 HLDR,BAT-CONTACT
23 8A-RU8-202-010 HLDR,ANT
A 87-751-074-410 VT2+2.6-8 W/0 CUT
B 87-751-073-410 TAPPING SCREW, VT2+2.6-6
C 87-222-072-410 P+2.6-5 RED
D 87-221-024-410 P+1.7-5
NO.
-14-
Page 15
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
COLOR NAME
Basic color symbol
TABLE
Color
Basic color symbol
Color
-15-
Page 16
REFERENCE NAME LIST-1/1
ELECTRICAL SECTION
DESCRIPTION REFERENCE NAME
ANT ANTENNAS
C- CHIP
C-CAP CAP, CHIP
C-CAP TN CAP, CHIP TANTALUM
C-COIL COIL, CHIP
C-DI DIODE, CHIP
C-DIODE DIODE, CHIP
C-FET FET, CHIP
C-FOTR FILTER, CHIP
C-JACK JACK, CHIP
C-LED LED, CHIP
C-RES RES, CHIP
C-SFR SFR, CHIP
C-SLIDE SW SLIDE SWITCH, CHIP
C-SW SWITCH, CHIP
C-TR TRANSISTOR, CHIP
C-VR VOLUME, CHIP
C-ZENER ZENER, CHIP
CAP, CER CAP, CERA-SOL
CAP, E CAP, ELECT
CAP, M/F CAP, FILM
CAP, TC CAP, CERA-SOL
CAP, TC-U CAP, CERA-SOL SS
CAP, TN CAP, TANTALUM
CERA FIL FILTER, CERAMIC
CF FILTER, CERAMIC
DL DELAY LINE
E/CAP CAP, ELECT
FILT FILTER
FLTR FILTER
FUSE RES RES, FUSE
MOT MOTOR
P-DIODE PHOTO DIODE
P-SNSR PHOTO SENSER
P-TR PHOTO TRANSISTOR
POLY VARI VARIABLE CAPACITOR
PPCAP CAP, PP
PT POWER TRANSFORMER
PTR, RES PTR, MELF
RC REMOTE CONTROLLER
RES NF RES, NON-FLAMMABLE
RESO RESONATOR
SHLD SHIELD
SOL SOLENOID
SPKR SPEAKER
SW, LVR SWITCH, LEVER
SW, RTRY SWITCH, ROTARY
SW, SL SWITCH, SLIDE
TC CAP CAP, CERA-SOL
THMS THERMISTOR
TR TRANSISTOR
TRIMMER CAP, TRIMMER
TUN-CAP VARIABLE CAPACITOR
VIB, CER RESONATOR, CERAMIC
VIB, XTAL RESONATOR, CRYSTAL
VR VOLUME
ZENER DIODE, ZENER
MECHANICAL SECTION
DESCRIPTION REFERENCE NAME
ADHESHIVE SHEET ADHESHIVE
AZ AZIMUTH
BAR-ANT BAR-ANTENNA
BAT BATTERY
BATT BATTERY
BRG BEARING
BTN BUTTON
CAB CABINET
CASS CASSETTE
CHAS CHASSIS
CLR COLLAR
CONT CONTROL
CRSR CURSOR
CU CUSHION
CUSH CUSHION
DIR DIRECTION
DUBB DUBBING
FL FRONT LOADING
FLY-WHL FLYWHEEL
FR FRONT
FUN FUNCTION
G-CU G-CUSHION
HDL HANDOL
HIMERON CLOTH
HINGE, BAT HINGE, BATTERY
HLDR HOLDER
HT-SINK HEAT SINK
IB INSTRUCTION BOOKLET
IDLE IDLER
IND, L-R INDICATOR, L-R
KEY, CONT KEY, CONTROL
KEY, PRGM KEY, PROGRAM
KNOB, SL KNOB, SLIDE
LBL LABEL
LID, BATT LID, BATTERY
LID, CASS LID, CASSETTE
LVR LEVER
P-SP P-SPRING
PANEL, CONT PANEL, CONTROL
PANEL, FR PANEL, FRONT
PRGM PROGRAM
PULLY, LOAD MO PULLY, LOAD MOTOR
RBN RIBBON
S- SPECIAL
SEG SEGMENT
SH SHEET
SHLD-SH SHIELD-SHEET
SL SLIDE
SP SPRING
SP-SCREW SPECIAL-SCREW
SPACER, BAT SPACER, BATTERY
SPR SPRING
SPR-P P-SPRING
SPR-PC-PUSH P-SPRING, C-PUSH
T-SP T-SPRING
TERM TERMINAL
TRIG TRIGGER
TUN TUNING
VOL VOLUME
W WASHER
WHL WHEEL
WORM-WHL WORM-WHEEL
-16-
Page 17
2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
H251701
Printed in Singapore
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