72
NX-720H(G)/720H
SCHEMATIC DIAGRAM
X57-823 6/10
TX-RX UNIT (X57-8230-10)
Z
AA
AB
AC
AD
RTS0
RXD_FNC2
/INT15P
SB
I2CDT
I2CCK
F1CNT
MBL
BLC
BLED
F34CNT
F34CNT
F2CNT
F2CNT
F1CNT
F1CNT
33GPS
GPS_ALM
G_RXD2
33A
33A
5V_TXD2
50MC
50MC
50MC
HORN
GPSC
5V_TXD2
50C
50C
TXD_FNC1
F34CNT
F34CNT
RTS_FNC3
50M
F2CNT
33M
TXD0
CTS0
RXD0
.
F501
IC516
ADM202EARNZ
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
T2oUT
8
R2IN
9
10
11
12
13
14
15
16
R2oUT
T2IN
T1IN
R1oUT
R1IN
T1oUT
GND
VCC
.
IC512
TC7WBD125AFK
1 oE1
2
3
4
A1
B2
GND
5
A2
6
B1
7
oE2
8
VCC
IC513
TC7WT126FU-F
1
2
3
4
G1
A1
Y2
GND
5
A2
6
Y1
7
G2
8
VCC
IC514
TC7WH126FU-F
1
2
3
4
G1
A1
Y2
GND
5
A2
6
Y1
7
G2
8
VCC
.
D506
MC2850
.
D50
9
MC2850
.
D508
MC2850
.
D505
MC2850
.
D510
MC2850
.
D507
MC2850
D504
DB2S310
.
IC515
PCA
9
535BS
1
Io0.0
2
Io0.1
3
Io0.2
4
Io0.3
5
Io0.4
6
Io0.5
7
Io0.6
8
Io0.7
9
VSS
10
Io1.0
11
Io1.1
12
Io1.2
13
Io1.3
14
Io1.4
15
Io1.5
16
Io1.6
17
Io1.7
18
A0
1
9
SCL
20
SDA
21
VDD
22
INT
23
A1
24
A2
.
J501
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
L805
.
CP704
100kX4
.
CP703
100kX4
.
CP705
100kX2
.
CP706
100kX2
.
CP707
1kX4
CN705
.
Q504
LTC014TEBFS8
Q502
LTC014TEBFS8
.
L806
.
L801
.
D801
RN142S
.
D802
RN142S
.
A801
W02-3768-05
1
2
3
4
5
6
7
8
9
10
11
12
RESERVED1
SS_N
TIMEPULSE
EXTINT0
USB_DM
USB_DP
VDDUSB
RESERVED2
VCC_RF
GND1
RF_IN
GND2
13
GND3
14
MoSI/CFG_CoM0
15
MISo/CFG_CoM1
16
CFG_GPS0/SCK
17
RESERVED3
18
SDA2
1
9
SCL2
20
TXD1
21
RXD1
22
V_BCKP
23
VCC
24
GND4
.
L802
27n
CN707
.
CN801
Q503
MTM
9
81400BF
6
1
2
3
5
4
7
8
.
IC801
TC7WH126FU-F
1
G1
2
A1
3
Y2
4
GND
5
6
7
8
A2
Y1
G2
VCC
CN802
CN803
.
R65
9
0
.
R673
100k
.
R674
1M
.
R627
6.8k
.
R628
6.8k
.
R658
0
R620
10k
R624
100k
R623
100k
R622
100k
R626
100
R62
9
100k
R621
100k
R631
100k
R634
100
R668
470
R671
100
R657
4.7k
R667
100
.
R664
0
.
R662
0
R672
470
R66
9
100
R670
100
.
R635
0
.
R632
0
.
R641
0
.
R643
0
.
R636 470k
.
R63
9
470
.
R835
10
R661
47k
.
R83
9
10
.
R802
1k
.
R843
.
R842
C626
0.01u
.
C646
100p
.
C645
0.01u
.
C622
0.01u
.
C625
0.1u
C637
100p
C643
0.022u
C641
100p
C623
0.01u
C624
0.01u
C628
1u
C62
9
1u
C630
1u
C644
100p
C640
100p
C642
100p
C63
9
100p
C635
100p
.
C633
100p
C632
1000p
C634
100p
C636
100p
C638
100p
.
C814
.
C816
.
C815
.
C820
.
C821
0
0
18p
.
C822
.
C823
18p
1000p
.
C80
9
1000p
.
C824
18p
.
C825
18p
0.1u
1000p
10u
0.1u
.
C826
0.1u
.
C660
100p
CN804
.
R844
0
.
R506
0
TXD
RXD
SB
IGN
SP2
DATO
DATAI
FNC1
FNC2
FNC3
FNC4
FNC5
FNC6
50MC
HR1
HR2
GND
RXD0
5
7
9
11
13
POWER
MIC
ME
SP+
SP-
MIC
ME
SP+
SP-
Leval Shift
Dual BUS Buffer
Dual BUS Buffer
I/O Expander
RS-232C Driver
Dual BUS
Buffer
DC Switch(Horn Alert)
DC Switch(Horn Alert)
DC Switch(IGN)
Reverse Current Prevention
Line Protection
D505-510
Over DC
Supply Protection
D801,802
DATAI
DATO
/IGN
GPSC
SP2
R561
0
GPS Module
GPS ANT
AC
C
B-BUS
25
25
25
C627
1u 25
.
R666
R665
.
.
R660
.
R663
.
R630
.
R633
.
R642
.
R640
12
14
10
6
3
1
4
2
15
8
16
C80
9
C816
C823
C814 C815
C820 C821 C822
C824 C825 C826
L802
R802 R835 R83
9
R842 R843 R844 IC801
D801 D802
A801
CN801
L801
L805 L806
X57-823X-XX
0-10
0-11
NX-720H(G) K
NX-720H
K
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
R561
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
B-BUS
B-BUS
D
✽
1
✽
1
.
-9.9V
9.9V
Summary of Contents for Nexedge NX-720H
Page 83: ...NX 720H G 720H 83 MEMO ...