66
TH-D72A/D72E
SCHEMATIC DIAGRAM
X57-784 (A/3) 1/8
7
6
5
4
3
2
1
A
B
C
D
E
4 . 7 V
5 . 0 V
3 . 3 V
3 . 3 V
3 . 3 V
-t
RXD_COM
TXD_COM
SKY_SW
RXD_EGPS
TXD_EGPS
232B_S
TXD_USB
RXD_USB
CTS_USB
D[1]
JP_WR
D[0]
JP_D0
JP_D1
JP_D2
JP_D3
JP_D4
JP_D5
JP_D6
JP_D7
-10V
JP_D6
D[7]
D[6]
JP_D7
D[5]
JP_D5
D[4]
JP_A0
/LCD_RST
D[3]
D[2]
RTS_USB
LCDCNT
JP_A0
JP_WR
JP_D3
JP_D2
JP_D1
JP_D0
33C
33C
/SUSPEND
Vbus_DET
JP_D4
A[0]
/LCD_WR
RST_USB
L704
R709
100
R710
100
C711
100p
C712
I C 7 0 9
T C 7 W 5 3 F K ( F )
1 C o M M o N
2 I N H
3 V E E
4 G N D
5
A
6
C H 1
7
C H 0
8
V C C
C758
0.1u
C P 3 6
C759
0.1u
C P 3 7
I C 7 0 8
T C 7 W 5 3 F K ( F )
1 C o M M o N
2 I N H
3 V E E
4 G N D
5
A
6
C H 1
7
C H 0
8
V C C
C P 3 5
C737
0.1u
C736
0.1u
I C 7 0 2
ADM3101E
1
C 1 +
2
R o U T
3
T I N
4
V+
5
VCC
6
GND
7
V -
8
T o U T
9
R I N
10
C2-
11
C2+
12
C1-
C713
0.1u
C739
0.1u
C714
0.1u
C 7 1 5
1 u
L 7 0 6
C P 3 4
C716
0.1u
C P 3 3
R749
10k
L 7 0 5
R725
1k
D 7 0 4
R S B 1 2 J S 2
J 7 0 2
F 7 0 1
J 7 0 3
C 7 3 8
4 7 0 p
2 S J 3 4 7 F
Q 7 0 4
C740
470p
C761
1u
C760
470p
C743
1u
R 7 1 1
0
R 7 1 2
0
D705
HZC6.8-E
C N 7 6 3
CN707
CN708
CN709
CN710
R 9 7 2
0
R973
0
R 9 8 5
1 k
R967
0
C986
470p
R999
120k
R998
68k
R714
1M
R713
18k
R 7 5 5
0
C729
220p
C 7 2 4 0.1u
R 7 5 3
0
C N 7 0 3
1
/CS
2
/RES
3
A0
4
/WR
5
D[0
]
6
D[1
]
7
D[2
]
8
D[
3]
9
D[4
]
10
D[5
]
11
D[6
]
12
D[7
]
13
VDD
14
VSS
15
VDD
16
V1
17
V2
18
V3
19
V4
20
V5
C 7 1 7
R 7 2 6
0
C 7 4 8
0 . 1 u
R716
100k
C 7 2 5
C764
1000p
R 7 3 4
4 7
C720
100p
R 7 5 8
0
C728
470p
R 7 6 0
0
CP31
C719
0.1u
R 7 6 2
0
C 7 2 3
1 0 0 p
C 7 2 6
R 7 5 7
0
C721
470p
R 7 5 9
0
R 7 6 1
0
C744
2.2u
16
C763
1u
I C 7 0 3
L M 2 6 8 2 M M X
1 C 1 -
2 C 2 +
3 C 2 -
4 V o U T
5
G N D
6
V I N
7
C 1 +
8
N C
C 7 6 5
0 . 1 u
C722
0.1u
C 7 4 5
2 . 2 u 1 6
L708
R979
10k
C 7 4 7
1 0 0 0 p
R715
100k
IC701
NJM2130F3-ZB
1
+IN
2
V-
3
-IN
4
oUT
5
V+
C 7 4 6
2 . 2 u 1 6
TH701
1
2
R 7 5 6
0
R980
10k
C 7 2 7
1 u
C 7 1 8
R 7 5 4
0
CP32
R722
0
CN769
I C 7 1 0
CP2102SX0567
1
D C D
2
R I
3
G N D 1
4
D +
5
D -
6
V D D
7
REGIN
8
VBUS
9
RST
10
NC1
11
SUSPEND
12
SUSPEND
13
NC2
14
NC3
1 5
N C 4
1 6
N C 5
1 7
N C 6
1 8
N C 7
1 9
N C 8
2 0
N C 9
2 1
N C 1 0
22
NC11
23
CTS
24
RTS
25
RXD
26
TXD
27
DSR
28
DTR
29
GND2
C975
1u
R955
10k
IC736
NJM2878F4-33
1
CoNTRoL
2
GND
4
VIN
3
VoUT
C O M
USB
0.5A
LCD CONTRAST
LCD ASSY
3.3V AVR
USB DRIVER
SURGE
PROTECTION
D 7 0 4 , 7 0 5
ANALOG
SWITCH
I C 7 0 8 , 7 0 9
RS-232C
DRIVER
SWITCH
I C 7 0 1
LCD OP AMP
DC/DC
CONVERTER
GND
RXD
TXD
47C
LAMPB
33C
1 u
1 u
1 u
1 u
100p
Vbus
D-
D+
NC
GND
DC
R75
0
4.7k
TX-RX UNIT (X57-784X-XX)(A/3) : CONTROL SECTION