SW1
1
SW2
2
SW3
3
SW4
4
DOUT
5
DIN
6
IC
7
CLK
8
STB
9
KEY1
10
KEY2
11
KEY3
12
KEY4
13
Vdd
14
S1/KS1
15
S2/KS2
16
S3/KS3
17
S4/KS4
18
S5/KS5
19
S6/KS6
20
S7/KS7
21
S8/KS8
22
S9/KS9
23
S10/KS10
24
S11/KS11
25
S12/KS12
26
S13
27
S14
28
S15
29
S16
30
S17/G12
31
S18/G11
32
Vdd
33
VEE
34
S19/G10
35
S20/G9
36
G8
37
G7
38
G6
39
G5
40
G4
41
G3
42
G2
43
G1
44
Vdd
45
LED5
46
LED4
47
LED3
48
LED2
49
LED1
50
Vss
51
OSC
52
U301
PT6311
R316
47K
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
G13
G14
G15
G12
G11
G1
G2
G3
G4
G6
G7
G8
R33033K
R32933K
R32833K
R32733K
G5
DS-DAT
DS-CLK
DS-STB
R347
5.6 1/2
-27V
VF2
KS1
KS2
D301
4148
D302
4148
S1
S2
K1
K2
K3
K4
-27V
K1
K2
K3
K4
MCU+5V
VFD CLK
VFD DATA
VFD STB
R311
47
1
2
3
IR301
IR
MCU+5V
S10
S11
S12
S13
S14
S15
G7
G8
S1
S2
S3
S4
S5
S6
S7
S8
S9
G19
G2
G11
G12
G6
G5
G4
G3
G10
R346
5.6 1/2
VFD CLK
VFD DATA
VFD STB
REMOTE
GND
MCU+5V
LED301
LED-B
R336
2.2K
MCU+5V
35-HSB2351-03A1
R314
33
R315
33
R312
33
IR VCC
VF1
-27V
VFD BOARD
1
2
3
4
5
6
7
CN503
2.0/7P
KS1
KS2
K1
K2
K3
K4
GND
SW301
1P1T
GND
DOOR DET
VF1
1
VF1
2
VF2
30
VF2
31
S1
3
S2
4
S3
5
S4
6
S5
7
S6
8
S7
9
S8
10
S9
11
S10
12
S11
13
S12
14
S13
15
S14
16
S15
17
G1
18
G2
19
G3
20
G4
21
G5
22
G6
23
G7
24
G8
25
G9
26
G10
27
G11
28
G12
29
VFD301
VFD-2351-1.GBY
G1
G9
G10
VF2
VF1
1
2
3
4
5
6
7
8
9
10
11
CN302
11P
DOOR DET
GND
C301
47UF
6-1
6-1
VFD Display Board -- Circuit Diagram