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IC1
SC-1288
1
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
NC
NC
NC
SWI
DI1
DI2
DAR1
DAR2
GND
VDD
CLR
ULO
CHI1
DIC1
NC
NC
NC
CHI2
DIC2
CHI3
DIC3
CHI4
DIC4
GND
VDD
CHR1
CHR2
CHR3
CHR4
TEST
REVP
REVT
NC
NC
NC
REVR
SIGO1
SIGO
SIGI
HED
GND
VDD
P2I
P1I
ABF
P2
NC
NC
NC
P1
PD
PR
XIN
OSC2
OSC1
GND
VDD
CON1
CON2
CON3
CON4
CON5
CON6
CON7
R76 1k
R77 1k
R78 1k
R79 1k
W1
W3
R36
47k
C27
100
C55
0.001
C24
0.1
C25
0.1
C26
0.1
TXDO
RXDO
GRST
GULD
A4DO
A3DO
R38
1k
R37
1k
IC4
NJM311M-TE3
V+
OUT
BAL/STB
BAL
GND
+IN
-IN
V-
C34
0.1
1
2
3
4
8
7
6
5
to
MAIN
unit
J16
C33
220p
C32
0.001
Q11
2SA1586-GR
R42
15k
D11
DA221
R41
10k
R40
18k
R46
10k
R47
10k
R48
56k
4
+
-
5
2
1
3
IC5
TA75S01F
C45
0.001
C44
0.001
R45
39k
C30
10
C31
0.1
R43
100
DS1
LN01301C
R50
330
CK
D
Q
GND
VCC
PR
CLR
Q
IC8
TC7W74FU
1
2
3
4
C46
0.1
CK
D
Q
GND
VCC
PR
CLR
Q
4
IC9
TC7W74FU
3
1
2
C47
0.1
CP2
C42
0.47
R69
15k
R87
R88
10
R70
22k
-
+
4
2
3
C43
0.1
R83
18k
D12
1SS355
R81
27k
R82
220k
C52
10
R86
100
11
1
R84
680
R85
4.7k
to
MAIN
unit
J23
AFG2
AFGE
MODE
MOD
R80
4.7k
-
+
6
5
7
IC7a
IC7b
C41
0.001
R67
12k
R65
18k
R68
56k
R66
100k
R54
10k
8
10
9
+
-
R63
10k
C39
0.001
R60
470k
R62
2.2M
R59
47k
R61
68k
IC7c
R58
10k
14
12
13
+
-
R57
10k
C37
0.001
R54
270k
R56
2.2M
R53
33k
R55
100k
IC7d
C35
0.022
C40
0.022
C38
0.001
C36
0.001
R51
2.7k
R52
22k
4
IC7
NJM2902V-TE1
5
3
1
2
C48
0.1
R22
2.7k
L1
100
H
R75
10
C53
10
C54
0.1
R21
220
D9
DAN202K
D10
DAN202K
INA1
ONA2
OUTA
ENABLE
OUTC
INC2
INC1
GND
VCC
INB1
INB2
OUTB
ENABLE
OUTD
IND2
IND1
IC2
HD26C32AFP
C9
0.1
R23
2.7k
R24
680
C10
0.1
R25
1k
D7
DAN202K
D8
DAN202K
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
D1
DA221
R5
47
R9
47
Q5
2SA1586-GR
R13
1k
Q1
2SC4116-GR
C5
0.1
C1
47
R71
10
L2
0.33 H
C57
120p
C61
120p
R44
39k
R17
1k
D2
DA221
R10
47
R6
47
Q6
2SA1586-GR
R14
1k
Q2
2SC4116-GR
C6
0.1
C2
47
R72
10
L3
0.33 H
C62
120p
C58
120p
R18
1k
D3
DA221
R11
47
R7
47
Q7
2SA1586-GR
R15
1k
Q3
2SC4116-GR
C7
0.1
C3
47
R73
10
L4
0.33 H
C63
120p
C59
120p
R19
1k
L5
0.33 H
R74
10
C4
47
C8
0.1
Q4
2SC4116-GR
R16
1k
C64
120p
Q8
2SA1586-GR
R8
47
R12
47
D4
DA221
C60
120p
R20
1k
J2
W2
W1
W3
W4
P2
J2
J1
R31
1M
R32
1.2k
C22
CTZ3E-10A-W1
C21
12p
X1
CR-508
(5.0688 MHz)
C20
11p
C19
0.0047
Q10
2SC4116-GR
R30
47k
C18
0.001
R29
47k
C17
0.0047
R28
47k
C16
0.001
R27
47k
C1+
V+
C1-
C2+
C2-
V-
T2O
T2I
VCC
GND
T1O
R1I
R1O
T1I
T2I
R2O
IC3
DS14C232TM
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C15
10
C14
10
C13
10
C12
10
C11
0.1
J1
SG (GND)
CI (RI)
ER (DTR)
CS (CTS)
SD (TXD)
RS (RTS)
RD (RXD)
DB (DSB)
CD (DCO)
A1
A2
T1I
R1O
FPON
RXPC
DTRM
R33
10k
CP1
S1
P1
J5
J4
to
TERMINAL
board
P1
GND
+5
R1O
T1I
RXPC
FPON
DTRM
GRST
A3DO
GULO
A4DO
RXDO
TXDO
C28
22
C29
0.1
C85
47
W14
W15
W16
W17
W18
W19
W20
W21
W22
W23
W24
W25
W26
W27
CTRL2 BOARD
P1
J6
P2
J7
W10
W11
W12
W13
R39 1k
8
7
6
5
8
7
6
5
IC5
TC4S81F
R26
47k
C56
0.001
Q9
2SC4116-GR
5
9
4
8
3
7
2
6
1
W5
W6
POWER
LED
0.8 Vp-p
RX:
DC 1.6 V
5 V
3.3 V
3.0 V
2.7 V
0.4 Vp-p
RX:
DC 0.8 V
0.4 Vp-p
RX:
DC 0.8 V
0.6 Vp-p
RX:
DC 1.9 V
1.9 V
1.9 V
3.7 Vp-p
0.3 sec
MEASUREMENT CONDITIONS
VOLTMETER: 50 k‰/V
OSCILLOSCOPE: 20 MHz
TX: AG 1.5 kHz 10 mVrms
RX: J3E MODE —60 dBm
8V
STB2
PFSK
GND
GND
STB1
CON2
CON1
CON0
DRST
STB3
DATA
CK
13.6
13.6
13.6
DATA
R141 1k
R181
47k
L42
EXC-ELDR25C
CK
STB1
STB3
DRST
CON0
CON1
STB2
8V
CON2
R142 1k
R140 1k
11
R143 1k
10
9
R144 1k
8
R127
2k
R145 1k
7
1
R146 1k
2
R147 1k
6
3
R148 1k
L45
10 H
C182
0.001
4
DA8
5
30
31
29
32
33
28
27
26
25
24
23
19
20
18
21
22
17
16
15
14
13
12
DA9
DA7
DA6
DA5
VSS
DA4
DA3
DA2
DA1
DA0
VSS
VDD
C
VDD
ROMCE
RESET
VSS
VDD
PDM0
PDM1
PDM2
Q
I
NUM2
NUM1
NUM0
SYS_CLK
VDD
ETC1
ETC0
FSKO
FSKI
VSS
IC2
SC-1287
R125
2k
C68
0.0047
C67
0.0047
R124
1k
R122
1k
R123
2k
C144
0
0047
R129
2k
R121
2k
R126
1k
R120
2k
R128
1k
R131
2k
R130
1k
R133
2k
R132
1k
R135
2k
R134
1k
R137
2k
R136
1k
R139
2k
R138
1k
R187
47k
R14
1M
IC8
TC7SU04F
C21
0.0047
R11
100
C20
0.001
R10
22
C17
10
C16
0.0047
IC3
TA7805F
G
O
I
C19
0.0047
C18
47
L19
L37
8.2 H
C155
9p
L38
10 H
C156
27p
C154
18p
C158
30p
C157
5p
C130
68p
C129
0.0047
L40
3.3 H
R52
150
R54
150
R53
39
P3
J3
PLL UNIT
BFO
J7
3
2
1
to
MAIN unit
J5
2
5
4
3
to
MAIN
unit
J9
C141
0.0047
R12
1k
PFSK
5.3 V
11.8 V
COMPLETE VIEW
10 - 2