73
SCHEMATIC DIAGRAM
TH-D72A/D72E
Note : The components marked with a dot (
•
) are parts of layer 1.
X57-784 (A/3) 8/8
7
6
5
4
3
2
1
AN
AM
AL
AK
AJ
3 . 3 V
1 . 8 V
1 . 9 V
3.3V
3.3V
3.3V
SQ
SIN
SCLKT
SCLKR
RTS_TNC
TXD_TNC
RXD_TNC
S9600
PKS_IN
SCLKT
TNC_WR
CTS_TNC
GPSLED
CON
S9600
LOOP
PLLCNT
FLAG
TNC_CAR
RXD_EGPS
TXD_EGPS
PKD12_AMP_OUT
SQ
PLLLOCK
TTX
TNC_RST
STA
2SC4617(R)
Q 7 2 8
R950
3.3k
C967
6800p
R943 10k
C954
4700p
R 9 6 4
8 2 k
2SC4617(R)
Q 7 2 9
C960
2200p
R958
150k
C952
1u
R961
10k
C966
1000p
R949
10k
C961
220p
R953
4.7k
C955
470p
R946
47k
R957
47k
R954
10k
C956
1u
C957
0.01u
R960
56k
R951
3.3k
R952
10k
C965
1000p
R945
10k
C953
1000p
C964
100p
I C 7 3 2
TA75W393FU-F
1 o U T A
2 I N - A
3 I N + A
4 V E E
5
I N + B
6
I N - B
7
o U T B
8
V C C
C963
1u
R944
10k
R948
100k
C958
0.1u
R962
10k
I C 7 2 4
TC7W74FK
1
C K
2
D
3
Q
4
G N D
5 Q
6 C L R
7 P R
8 V C C
R947
150k
C959
0.01u
R 9 6 3
3 9 k
R959
56k
R907
10k
R905
10k
C918
0.1u
R 9 0 8
1 5 0 k
R906
10k
R939
10k
R920
10k
C P 7 4
X703
15.9744MHz
C911
7p
R898
0
C910
1p
C914
39p
Q724
RT1N441U-T111
C904
1000p
R904
0
CP69
C909
10p
C908
10p
R 8 9 7
1 0 0
R 9 0 3
1 0 0
C912
0.1u
C913
1000p
C951
1000p
C919
1000p
CP70
CP71
CP72
CP73
C N 7 5 3
C N 7 5 4
C N 7 5 5
C N 7 5 6
C N 7 5 7
C N 7 5 8
C N 7 5 9
C N 7 6 0
C N 7 6 1
C N 7 6 2
R 9 8 1 1 0 k
R 9 8 2
1 0 k
I C 7 3 3
T C 7 5 W 5 1 F K ( F )
1 o U T A
2 I N - A
3 I N + A
4 V S S
5
I N + B
6
I N - B
7
o U T B
8
V D D
R956
39k
R 9 6 5
3 3 0 k
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
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
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
9600
9600
9600
1200
1200
OP AMP
COMPARATOR
AMP
SWITCH
FLIP-FLOPS
33TNC
C L K I N
1200
9600
BSFT2
SRX
I C 7 2 7
BYTE
CNVSS
XOUT
XIN
VCC1
VCC2
VSS2
P102
AVSS
VREF
AVCC
MCU
NC
NC
NC
SIN
SCLKR
NC
RESET
STA
VSS
NC
NC
SCLKT
SCLKR
CON
GPSLED
CTS_TNC
P80
NC
NC
NC
RTS_TNC
TXD_TNC
RXD_TNC
RXD_EGPS
TXD_EGPS
P67
P66
P65
P64
NC
NC
CLKOUT
NC
P55
NC
NC
NC
NC
P50
S9600
LOOP
PLLCNT
FLAG
SQ
PLLLOCK
TTX
TNC_CAR
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
TNC_WR
P24
P23
P22
P21
P20
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
PKS_IN
NC
SRX
SCLK
NC
AMP
TX-RX UNIT (X57-784X-XX) (A/3) : CONTROL SECTION