SRF-M97
9
9
SRF-M97
4-1. SCHEMATIC DIAGRAM
•
See page 12 for Waveforms.
•
See page 12 for IC Block Diagrams.
•
See page 13 for IC Pin Function Description.
LCD1
R109
R110
R111
R112
R113
R118
R114
R115
R116
R117
C108
CN1
L102
22
µ
H
C111
C109
C110
R129
C122
C132
R135
R136
C121
Q101
Q102
C128
D102
R134
C126
C127
Q103
Q104
R133
C106
Q6
Q5
C28
R123
R124
R125
R126
C112
C113
R127
X101
C116
C117
C118
C119
C120
C104
R107
C103
R103
C101
R101
R102
R104
C102
C105
C52
IC102
C45
C43
L101
R19
C40
C41
C42
C38
C36
CF1
CF2
CF3
C34
C32
C31
C33
L9
0.1
µ
H
C5
C1
L10
22
µ
H
R1
R2
IC1
R8
C14
C13
R15
R16
R14
L5
100
µ
H
0.47
µ
H
C23
C47
CT3
C17
C16
R10
C18
C20
C24
R7
C25
C27
C30
C48
C49
L11
CT1
C7
R3
C8
R4
C53
R105
C107
C218
C219
C217
C211
R206
C212
C213
R210
R209
R211
C222
C215
C214
D301
R128
C123
C124
R131
R132
C125
R213
R212
C220
C221
C207
L201
2.2
µ
H
2.2
µ
H
2.2
µ
H
L202
L203
C216
C129
C130
C2
S101
L1
R12
R13
Q3
L4
D5
TP
R11
L6
C35
Q8
Q7
R22
Q2
JC2
TP
R106
IC103
C115
IC101
Q105
R130
T101
D101
J201
Q201
JC201
S203
S205
S204
S201
R215
BAT302
C302
C3
R20
C223
TP
R108
R205
R302
C209
C208
C210
R203
R301
R214
JC202
R204
S202
Q301
JC1
C55
C22
C51
L3
C12
C15
D4
C9
D1
D2
C48
C26
Q1
Q9
R21
R120
R121
R122
C201
R201
C202
R202
C6
C39
L301
0.47
µ
H
R207
C204
C203
IC201
D201
C56
JC3
C50
R119
R216
R217
C224
CN201
C205
C206
RV201
1k
1k
1k
1k
1k
4.7k
4.7k
4.7k
4.7k
4.7k
0.1
18P
1000p
1
1000p
10k
0.22
0.22
100k
10k
1000p
2SD2216
2SD2216
0.22
1SS355
1k
5p
10p
2SD2216
2SD2216
47k
1
DTC144TUA
DTA114YUA
0.01
1k
1k
1k
1k
47p
10p
100k
75KHz
0.1
0.1
0.1
0.1
0.1
0.01
1k
1
470k
1
10k
1M
100k
0.01
0.47
0.1
XC61CN1002NR
4700p
4700p
1k
0.47
0.047
0.022
1
220p
1
470
2.5V
4.7
4V
220
4V
5p
1000p
22k
220
TA2154AFN
100k
100p
1000p
1k
2.2k
100
10p
8p
3p
0.01
10k
470p
22p
47p
220k
1
0.01
0.01
22p
8p
1000p
100k
1000p
100k
1000p
10k
0.01
2.2
4.7
4V
10
4V
4.7
4V
4.7k
0.47
0.22
4.7
4.7
4.7
0.47
0.1
1
RB521S
4.7k
10
4V
1
100k
47k
0.1
10k
10k
0.047
0.047
22 4V
1
0.01
2200p
1000p
22
100
2SK209Y
SVC347S
(VT)
1M
0.01
DTC144TUA
DTC144TUA
0
DTA114TUA
0
(ANT)
1M
XC61CN0802NR
10 4V
TC9329AFAG-609
(S.D)
2SB1689
10
UDZSTE-
1713B
2SB1689
0
470k
1
1000p
0
0.01
(RF GND)
1k
100k
0
1
2.2
0.47
100k
470k
1k
0
100k
2SB1689
0
0.01
220p
1000p
0
HVC202B
0
0.01
2SC3931
DTC144TUA
100
100k
100k
100k
0.1
TA2179FNG
1PS226
0.01
0
100p
100k
1000p
18P
20k/20k
BASS
BA2
B
A
2
BASS
B
A
1
BA1
PWRON
AMPON
MUTE
BEEP
HOLD
KR2
KR1
KS1
KS2
KR3
PWRON
HOLD
KS1
KS2
KR3
KR2
KR1
AMPON
MUTE
BEEP
KS1
KS2
K
S
1
K
S
2
KR1
KR2
KR3
K
R
1
K
R
2
K
R
3
∗
∗
∗
*
*
∗
∗
∗
∗
∗
*
∗
∗
∗
∗
∗
∗
C
O
M
1
C
O
M
2
C
O
M
3
C
O
M
4
S
1
S2
S3
S
4
S
5
S
6
S
7
S
8
S
9
S10
P
5-2
P
5-1
P
3-3
P
3-2
D
0
V
D
D
G
N
D
IN
T1
T
E
S
T
O
S
C
IN
IF IN
2
VDD
P9-1
P9-0
P5-3
XOUT
XIN
GND
VDB
C1
C2
VEE
C3
C4
C
O
M
1
C
O
M
2
C
O
M
3
C
O
M
4
S
1
S2
S3
S
4
S
5
S
6
S
7
S
8
S
9
S1
0
S
1
1
GND
GND
OUT
IN
IN
O
U
T
G
N
D
G
N
D
IN
TV
R
F
FM
R
F
IN
R
F
G
N
D
FM
M
IX
A
M
M
IX
AG
C
V
C
C
FM
IF
IN
G
N
D
A
M
IF
IN
Q
U
A
D
D
E
T
O
U
T
M
P
X
IN
L
PF
1
L
P
B
2B
IF
C
O
U
N
T
IF
R
EQ
M
O
D
E1
M
O
D
E2
O
U
T
O
S
C
TV
/FM
O
S
C
A
M
O
S
C
R
F
V
C
C
AM
R
F
IN
A
M
B
Y
PA
SS
FM
R
F
O
U
T
TV
R
F
O
U
T
R
F IN
V
R
EF IN
R
F O
U
T
BAS
E
V
C
C
O
UT
A
O
UT
C
P
W
G
ND
OU
T
B
AG
C IN
A
GC
D
ET
SW
OU
TP
UT
V
R
EF
P
W
SW
P
W
M
U
TE
B
ST SW
G
ND
L
PF
BS
T N
F
B
S
T O
U
T
M
O
N
O
/S
T S
W
P
W
-1
-2
LIQUID CRYSTAL DISPLAY
KR3
KR2
KR1
KS2
KS1
BEEP
BAND1
SYSTEM CONTROLLER
S
1
1
S
12
S1
2
SIMUKE1
SIMUKE2
MONO/ST
DDCON
BAND2
IN
T2
V
R
EG
P3-0
P3-1
P
5-0
MUTE
VLCD
GND
MONO/ST
ANT
R OUT
L OUT
VCC
+B
VDD
POWER ON
HOLD
KS1
KS2
KR2
KR1
AMP ON
MUTE
BEEP
KR3
LP
F
1A
RF
FM
S
AM RF
AMP
AM
FERRITE-ROD
ANTENNA
AM
OSC
Q5,6
AM BAND
SWITCHING
R
O
U
T
L
O
U
T
FM/AM DET,FM MPX
FM/AM IF AMP,
MONO/STEREO
SWITCHING
SWITCHING
AM BAND
AM BAND
SWITCHING
RF AMP
DETECT
VOLTAGE
RESET SIGNAL
GENERATOR
RESET
AMP ON
POWER ON
AM BAND
HOLD SW
POWER
DC/DC CONVERTER
ON/OFF SWITCH
DC/DC
CONVERTER
DC/DC
CONVERTER
Q103,104
Q101,102
LOW-PASS
FILTER
RIPPLE
FILTER
HEADPHONE
POWER AMP
IN
A
IN
B
IN
C
DRY BATTERY
1PC. 1.5V
SIZE"AAA"
(IEC DESIGNATION R03)
POWER ON/OFF
SWITCH
PAS SECONDARY
BATTERY
MODE
-3
-1
-2
ENT/BAND
VOL
FM
STEREO
MONO
HOLD
(BACK-UP)
MEGABASS
ON
OFF
OFF
HOLD
(EXCEPT JE)
(JE)
(EXCEPT JE)
FM SENS
DX
LOCAL
(EXCEPT JE)
(JE)
S203
(JE)
FM RF AMP,
FM/AM MIX AMP,
FM/AM OSC,
∗
C12
3p
5p
(JE)
(EXCEPT JE)
∗
(JE)
(EXCEPT JE)
L3
33nH
27nH
∗
(JE)
(EXCEPT JE)
D4
HVC363B
HVC202B
∗
(JE)
(EXCEPT JE)
C15
100p
(JE)
(EXCEPT JE)
∗
(JE)
(EXCEPT JE)
HVC363B
HVC202B
D1
(JE)
(EXCEPT JE)
1p
3p
(EXCEPT JE)
(JE)
FM
LOCAL/DX
SWITCHING
(EXCEPT JE)
∗
22k
10k
R201,202
∗
(EXCEPT AEP, JE)
C201,202
1
0.1
C6
∗
220p
∗
R207
220K(EXCEPT AEP)
47K(AEP)
(AEP,JE)
(JE)
100k
(AEP)
∗
R216,217
0(EXCEPT AEP)
22K(AEP)
∗
C203,204
0.1(AEP)
∗
C205,206
2200P(EXCEPT AEP)
220P(AEP)
(US)
(US)
(US)
(US,JE)
(EXCEPT US)
(EXCEPT US,JE)
(US,JE)
(US)
0.22
EXCEPT
AEP,JE
EXCEPT
AEP
Ver. 1.1
