1-13-6
5
VFD-DAT
10 F1
21 NU
16 GND
8
GND
6
GND
13 EV+3.3V
12 REMOTE
100/10V
C2007
0.1
C2006
Vcc
GND
VOUT
2
3
1
KSM-712TH2P
RS2001
9
-FL
11 F2
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
2
1
4
3
31 32
IC2001
8-NY-03NK
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
IC2002
SC16315
NU
NU
NU
NU
OSC
VFD-DOUT
VFD-DIN
VFD-CLK
VFD-STB
NU
NU
VSS
VDD
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
NU
VEE
NU
NU
NU
NU
8G
7G
6G
5G
4G
3G
2G
1G
VDD
VSS
R2011
82K
22/50V
C2004
0.1
C2012
100/10V
C2013
R2010
10K
R2009
10K
22P
C2008
22P
C2009
22P
C2010
100
R2018
100
R2019
100
R2020
3
VFD-STB
19 VOL-DOUWN
14 I2C-SCL
7
VFD-CLK
CN2005
1
VFD+5V
4
GND
22 NU
20 LED1
47
R2008
47
R2007
2.2
R2006
0.1
C2003
0.1
C2002
0.1
C2001
2.2
R2004
2.2
R2005
2
GND
CN2502
1
GND
3
+5V
1000P
C2018
18 VOL-UP
17 NU
15 I2C-SDA
2
GND
1
R2024
Q2003
KTC3875S-GR-RTK/P
R2023
15K
270
R2002
D2002
3V6BSA-T26
0
R2029
27P
C2017
27P
C2016
0
R2509
0
R2508
4
DN
5
DP
2
DN
4
GND
CN2503
1
DP
3
+5V
4
EV+3.3V
5
LED1
3
GND
2
I2C-SDA
CN2501
1
I2C-CLK
47K
R2502
47K
R2501
Q2002
KTA1504S-GR-RTK/P
R2026
560
2.2K
R2016
Q2001
KTC3875S-
GR-RTK/P
R2028
10K
1K
R2027
R2017
47K
C
1
3
E
B
D
2
(VFD)
A
UNLESS OTHERWISE SPECIFIED: SWITCHES ARE SKHHLN0A010.
TO AMP/PSU
CBA CN5001
(REMOTE SENSOR)
FRONT CBA
1.8
3.2
3.2
(VFD DRIVER)
0
2.2
3.4
1.8
0
-23.3
-25.9
-25.9
-19.9
-16.9
-26.7
-19.8
-10.9
-22.9
-13.9
-16.9
-13.8
-13.9
-25.9
-13.9
1.8
0
0
(VFD-ON)
VR2001
EC12E2410301
-21.0
-20.8
-20.2
0
3.4
0
3.2
3.4
2.4
-23.7
-20.7
-26.7
0
3.4
0
1.8
1.8
0
0
5.2
0
5.1
TO BD MAIN
CBA CN6404
WIRELESSBD
LAN MODULE
0
TO T-SENSOR
CBA CN4001
(LED DRIVE)
(LED DRIVE)
0.2
0.2
3.2
3.2
0
0
0.8
2.2
2.9
2.8
2.8
3.4
0
3.2
3.2
-25.9
-22.9
-23.3
-23.3
-23.3
-23.3
-23.3
-23.3
-23.3
E1U21SCF
Front Schematic Diagram
1G
2G
3G
4G
5G
6G
7G
8G
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
IC2001 MATRIX CHART
S7
S8
S2
S4
S3
h
h
h
h
h
h
h
S5
S6
S1
S9
f
j
a
f
j
a
f
j
a
f
j
a
f
f
f
j
j
j
S10
S11
S12
S13
g
s
k
b
m
e
r
p
n
c
d
g
s
k
b
m
e
r
p
n
c
d
g
s
k
b
m
e
r
p
n
c
d
g
s
k
b
m
e
r
p
n
c
d
g
s
k
b
m
e
r
p
n
c
d
g
s
k
b
m
e
r
p
n
c
d
g
s
k
b
m
e
r
p
n
c
d
a
a
a
1G
2G
3G
4G
5G
6G
7G
8G
S1
S2
S3
S4
S8
S7
S11
S12
S13
S6
S9
S10
S5
a
b
c
d
e
r
f
h j
g
s
p
m
n
k