Printed Wiring Board - Sony ICF-M410L Service Manual

4-3. PRINTED WIRING BOARD

1 2
S115
HOLD
A
ON
KEY BOARD
S102
POWER
LCD101
S106 1 5 10
43 42
JW122
B
C119
C115
56 29
R140
IC101
S105
R137
1 28
R101
R115
C109
C122
14 15
S104
R102 JW111
TP115
R103
(ED)
JW112
C105
C104 C108
JC103 R112
C107
C102
C104
R111
JW114 STANDBY
S103 JW113
C
SLEEP
S108 C101
JW115
S112
JW116
PRESET
TUNING
3
D
S109
BAND
E
MAIN BOARD
ANT101
FM
F
TELESCOPIC
ANTENNA
CT1
GRN
K 1
G
4
BLK
RV1
MIN
VOL
H E
MAX
C
B
3 4 5
t
OFF
TP113
15 19
(RFGND)
TP112
(VCOH) TP107
C123
(VCOL)
E
CJ107
X101
1
R147 JW121 1
TP110
TP114
(3V)
(VT)
TP109
R142
JW103
C132 (GND)
IC102
C131
IC103
4 3 4 3
E E
TP108
R152 C151
1 2 1 2
(VDET)
C134
S101
C133
S107
CLOCK
TP103
(MUTING)
TP104 TP105
(MW/SW) (FM/AM)
TP111 TP101
(GND)
(+B)
T101
TP106
(BEEP)
S111
C154
S110
PRESET
E
PRESET
C156
TUNING
TUNING E
1
R158
2
C157
R154 K K
S114
S113
TP116
PRESET
PRESET (13V)
C153
TUNING
TUNING
11
4
5
(11)
SELECT/ PRESET
1-681-634-
ANT102
MW/LW
FERRITE-ROD ANTENNA
JW12
BPF1
CT3 TP22
E JW9
E (RFGND) CF2
1
B
C C B
K 3
CF3
L6
15
C16
CT4
L7
IC1
NTL
JW10
8
RED
TP2
5
(DET)
CT2
CF4
L4
JW11
C18
1
JW8 TP18
(VCOH)
6 7
TP13
(BEP)
TP19
CN1 CN2
1 TP17
(VT) JW4
1
JW5 (RFGND)
T1
TP12
(MUTE)
TP11
TP10 TP14
(MW/LW) (VCOL)
(FM/AM)
TP9
E
JW6
C
16
(POWER)
7
7
B
E
K
K
E
K
C
CF1 C
B
B JW1
K B C
TP3
TP15
JW2
(+B)
TP16
E (VDET)
TP20
(3V)
C22
(MET)
W1
C23 TP8 5
TP4
L5
(+B)
IC2
(VDD)
1
5
C27 TP5
2
(GND)
4
3
TP21
(+B)
1
TP7
C29
TP6
(SP+)
C32 JW3
(GND)
30
1-681-635-
JW7
TP1
(GND)
9 9
8 9 10
• Semiconductor
Location
MAIN BOARD
Ref. No. Location
D1
D2
D3
D4
D5
D6
D7
D8
IC1
IC2
Q1
Q2
Q3
Q4
Q5
Q7
Q8
Q9
JACK BOARD
C302
SP301
JW301
K
5
W301
1
11
K
(11)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
3PCS, 4.5V
ICF-M410L
11
• Semiconductor
Location
KEY BOARD
Ref. No. Location
G-1 D101 D-4
G-3 D102 D-4
F-4
G-4 IC101 B-2
G-6 IC102 B-4
F-7 IC103 B-3
G-7
G-6 Q101 B-3
Q151 B-3
G-5 Q152 B-3
G-7 Q153 C-4
Q154 D-4
F-3
G-5
F-3
H-2
F-6
G-6
G-7
F7
EPJ301
K
DCJ301
DC IN 4.5V
11
(11)
1-681-636-