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6-1
A
FV Board Circuit Diagram:VFD
1
-24V
IR1
IR1
5
VCC
GND
4
GND
R18
R18
3
100
100
VCC
2
GND
1
IR
IR
C7
C7
+
+
IRM_12mm
IRM_12mm
CE5
CE5
C8
C8
0.1uF/50V/X7R
0.1uF/50V/X7R
47uF/16V
47uF/16V
47pF/50V/NP0
47pF/50V/NP0
2
1
VDD
2
SI[0]
3
SI[1]
4
SI[3]
5
SI[8]
6
SI[10]
PAD16
PAD16
S1
R40
R40
1K
1K
7
SI[11]
8
VSS
3
4
A
B
+12V
R1
R1
470
470
VCC_VFD
1uF/50V/Y5V
1uF/50V/Y5V
C16
C16
R3
R3
R4
R4
10K
10K
470
470
Q2
Q2
Q1
Q1
NPN_3DG3904M
NPN_3DG3904M
C1
C1
0.1uF/50V/X7R
0.1uF/50V/X7R
C13
C13
1uF/50V/Y5V
1uF/50V/Y5V
R8
R8
18K
18K
R9
R9
4.7K
4.7K
Q3
Q3
Q4
Q4
NPN_3DG3904M
NPN_3DG3904M
PNP_3CG3906M
PNP_3CG3906M
Q5
Q5
R11
R11
R12
R12
NPN_3DG3904M
NPN_3DG3904M
1K
1K
10K
10K
C3
C3
R13
R13
1000pF/50V/X7R
1000pF/50V/X7R
1K
1K
Q7
Q7
PNP_3CG3906M
PNP_3CG3906M
VCC
VCC_VFD
R16
R16
C4
C4
470
470
1uF/50V/Y5V
1uF/50V/Y5V
C6
C6
R14
R14
CE4
CE4
C19
C19
0.1uF/50V/X7R
0.1uF/50V/X7R
22uF/50V
22uF/50V
PCON
Q6
Q6
NPN_3DG3904M
NPN_3DG3904M
1uF/50V/Y5V
1uF/50V/Y5V
1K
1K
VCC
C29
C29
C28
C28
0.01uF/50V/X7R
0.01uF/50V/X7R
1uF/10V/Y5V
1uF/10V/Y5V
R31
R31
R32
R32
U3
U3
NC/47K
NC/47K
NC/47K
NC/47K
16
OUT0
15
OUT1
14
OUT3
13
R29
R29
150
150
KSCL
SCL
12
R30
R30
150
150
KSDA
SDA
11
OUT8
D1
D1
10
OUT10
9
R42
R42
1K
1K
POWER
OUT11
C15
C15
1N4148
1N4148
WT5700-S160
WT5700-S160
0.1uF/50V/X7R
0.1uF/50V/X7R
B
C
VFD1
VFD1
VFD
VFD
C12
C12
1000pF
1000pF
R2
R2
2.2
2.2
AC2
330
330
470
470
R6
R6
R7
R7
2.2
2.2
R5
R5
AC1
C17
C17
-24V
R10
R10
1uF/50V/Y5V
1uF/50V/Y5V
ZD1
ZD1
10K
10K
BZX79C6V2
BZX79C6V2
C2
C2
0.1uF/50V/X7R
0.1uF/50V/X7R
-24V
34
G4
SEG8
35
G3
SEG7
36
G2
SEG6/K6
37
G1
SEG5/K5
VCC_VFD
38
VDD
SEG4/K4
39
DRIVER_VFD_PT6312
DRIVER_VFD_PT6312
LED4
SEG3/K3
R15
R15
40
LED3
U1
U1
SEG2/K2
C5
C5
41
51K
51K
LED2
SEG1/K1
0.1uF/50V/X7R
0.1uF/50V/X7R
42
LED1
VDD
43
GND
KEY4
44
OSC
KEY3
R20
R20
R17
R17
R21
R21
10K
10K
10K
10K
10K
10K
DATA
R25
R25
100
100
CLK
R24
R24
100
100
CS
R23
R23
100
100
C9
C9
C10
C10
C11
C11
100pF/50V/NP0
100pF/50V/NP0
100pF/50V/NP0
100pF/50V/NP0
100pF/50V/NP0
100pF/50V/NP0
R26
R26
2.2K
2.2K
1
KSCL
1
2
KSDA
2
3
VCC
3
4
+12V
4
5
IR
5
6
DATA
6
7
CS
7
8
CLK
8
9
-24V
9
10
10
11
11
12
LED_POWER
12
13
KEY1
13
14
KEY2
14
15
KEY3
15
16
KEY4
LED1
LED1
R41
R41
16
17
PCON
17
LED_POWER
XP1
XP1
33
33
CON_17P_0GNDD
CON_17P_0GNDD
C
6-1
D
AC2
22
21
20
19
18
17
16
15
14
VCC_VFD
13
12
R19
R19
2.2K
2.2K
VCC
R22
R22
2.2K
2.2K
R37
R37
R38
R38
R39
R39
R36
R36
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
KEY1
KEY2
KEY3
KEY4
R27
R27
2.2K
2.2K
POWER
C20
C20
100pF/50V/NP0
100pF/50V/NP0
D
E
1
2
3
4
E
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