HCD-ECL5
HCD-ECL5
2929
5-13. SCHEMATIC DIAGRAM - FRONT Board -
VFD_CLK
VFD_CS
VFD_DATA
IR
AC2
LR24
AC1
VFD_CLK
VFD_CS
+5VA
VFD_DATA
+12V
-24V
+5VA
+12VA
AC2
+12V
-24V
STB_5V
+12V
VOL+
VOL-
VOL+
VOL-
KEY1
KEY2
KEY3
KEY4
K1
K2
K3
K4
KEY1
KEY2
KEY3
KEY4
K1
KEY2
KEY3
KEY4
K2KEY1
KEY2
KEY3
K3
KEY4
KEY1
KEY2
K4KEY1
POWER_KEY
+5VA
POWER_KEY
IR
IR
GND
VCC
GND
GND
SW1
SW2
SW3
SW4
SDout
SDin
GND
SCLK
/CS
KEY1
KEY2
KEY3
KEY4
VDD
SEG1/K1
SEG2/K2
SEG3/K3
SEG4/K4
SEG5/K5
SEG6/K6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
VEE
SEG13
SEG14
SEG15
SEG16
G6
G5
G4
G3
G2
G1
VDD
LED4
LED3
LED2
LED1
GND
OSC
F1
F1
P14
P13
P12
NC(2G)
P11
P10
P9
NC(2G)
P8
3G
2G
1G
NP
F2
F2
4G
5G
6G
7G
8G
NC(6G)
P6
P7
NP
NC(1G)
P5
P4
P3
P2
P1
VOL+GND
VOL-
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
KEY PART
STB_5V
+5VA
-24V
+5VA
STB_5V
STB_5V
<Description><Description>
<Description><Description>
1
2
3
4
5
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
<Description><Description>
21
<Description><Description>
1
2
5
6
7
8
9
10
11
12
13
27
28
29
30
31
32
26
25
24
23
22
21
15
14
3
4
16
17
18
19
20
<Description><Description>
<Description><Description>
<Description><Description>
21
<Description><Description><Description><Description>
21
<Description><Description>
<Description><Description>
<Description><Description>
<Description><Description>
<POWER ON/OFF>
<POWER ON/OFF>
13
2
4
5
1
2
3
4
5
6
7
8
9
10
11
12
21
<Description><Description>
R52
47K
R52
47K
R1
470
R1
470
SW8SW8
C3
1000pF/50V/X7R
C3
1000pF/50V/X7R
C5
1000pF/50V/X7R
C5
1000pF/50V/X7R
R34
4.7K
R34
4.7K
C7
0.1uF/50V/X7R
C7
0.1uF/50V/X7R
R5
2.2
R5
2.2
SW11SW11
D21N4148 D21N4148
R56
47K
R56
47K
R39 2.2KR39 2.2K
C2
3300pF/50V/X7R
C2
3300pF/50V/X7R
C15
47pF/50V/NP0
C15
47pF/50V/NP0
IR1
IRM_10mm
IR1
IRM_10mm
R49
47K
R49
47K
ZD1
BZX79C6V2
ZD1
BZX79C6V2
C12
47pF/50V/NP0
C12
47pF/50V/NP0
C20
47pF/50V/NP0
C20
47pF/50V/NP0
R13
10K
R13
10K
C6
4.7uF/16V/Y5V
C6
4.7uF/16V/Y5V
R10 4.7KR10 4.7K
C23
47pF/50V/NP0
C23
47pF/50V/NP0
U1
DRIVER_VFD_CS6312EN
U1
DRIVER_VFD_CS6312EN
ZD2
BZX79C5V1
ZD2
BZX79C5V1
SW14SW14
ESD4
NC/PESD5V0S1BA/30K/35pF
ESD4
NC/PESD5V0S1BA/30K/35pF
SW9SW9
R3
10K
R3
10K
R20 0R20 0
R32
1K
R32
1K
"3.3uF
CE2
"3.3uF
CE2
R16 0R16 0
C9
0.1uF/25V/Y5V
C9
0.1uF/25V/Y5V
VFD1
-
VFD1
-
R36 2.2KR36 2.2K
C21
47pF/50V/NP0
C21
47pF/50V/NP0
SW1SW1
R41 100R41 100
R28
51K
R28
51K
R35
0
R35
0
R46
47K
R46
47K
SW6SW6
R59
4.7K
R59
4.7K
D11N4148 D11N4148
C26
47pF/50V/NP0
C26
47pF/50V/NP0
R55
47K
R55
47K
R57
47K
R57
47K
Q3
NPN_3DG3904M
Q3
NPN_3DG3904M
R43 100R43 100
SW4SW4
R11
10K
R11
10K
R40 22R40 22
CE3
47uF/16V
CE3
47uF/16V
ESD2
NC/PESD5V0S1BA/30K/35pF
ESD2
NC/PESD5V0S1BA/30K/35pF
R50
47K
R50
47K
C18
47pF/50V/NP0
C18
47pF/50V/NP0
D31N4148 D31N4148
R44
47K
R44
47K
R42 100R42 100
R30 22R30 22
R18
4.7K
R18
4.7K
Q4
PNP_3CG3906M
Q4
PNP_3CG3906M
R33
1K
R33
1K
C24
100pF/50V/NP0
C24
100pF/50V/NP0
SW15SW15SW13SW13
C16
47pF/50V/NP0
C16
47pF/50V/NP0
ESD1
NC/PESD5V0S1BA/30K/35pF
ESD1
NC/PESD5V0S1BA/30K/35pF
R48
47K
R48
47K
R31
1K
R31
1K
R19 0R19 0
C11
100pF/50V/NP0
C11
100pF/50V/NP0
Q1
NPN_3DG3904M
Q1
NPN_3DG3904M
R37 2.2KR37 2.2K
Q5
NPN_3DG3904M
Q5
NPN_3DG3904M
R53
47K
R53
47K
R2
0
R2
0
C10
100pF/50V/NP0
C10
100pF/50V/NP0
C25
47pF/50V/NP0
C25
47pF/50V/NP0
SW2SW2
C27
47pF/50V/NP0
C27
47pF/50V/NP0
D41N4148 D41N4148
R58 1KR58 1K
R47
47K
R47
47K
"3.3uFCE1 "3.3uFCE1
SW7SW7
R9 8.2KR9 8.2K
SW10SW10
SW5SW5
Q2
NPN_3DG3904M
Q2
NPN_3DG3904M
C14
47pF/50V/NP0
C14
47pF/50V/NP0
SW12SW12
R51
47K
R51
47K
R7 470R7 470
C19
47pF/50V/NP0
C19
47pF/50V/NP0
VR1
ENCODER
VR1
ENCODER
R27 1KR27 1K
R6 5.6R6 5.6
XS1
12PIN/2.0mm/180mm
XS1
12PIN/2.0mm/180mm
C4
1000pF/50V/X7R
C4
1000pF/50V/X7R
C1 0.1uF/50V/X7RC1 0.1uF/50V/X7R
R29
100
R29
100
C17
47pF/50V/NP0
C17
47pF/50V/NP0
R12
1K
R12
1K
R24 0R24 0
R54
47K
R54
47K
C8
4.7uF/16V/Y5V
C8
4.7uF/16V/Y5V
R26 1KR26 1K
C22
47pF/50V/NP0
C22
47pF/50V/NP0
R8 330/1%R8 330/1%
R15 0R15 0
R22 1KR22 1K
R21
1K
R21
1K
ESD3
NC/PESD5V0S1BA/30K/35pF
ESD3
NC/PESD5V0S1BA/30K/35pF
R38 2.2KR38 2.2K
R4
470
R4
470
R45
47K
R45
47K
R14 0R14 0
SW3SW3
C13
47pF/50V/NP0
C13
47pF/50V/NP0
R17 0R17 0
++
++
++
A
386
E
2 9
D
5
B
C
714
FRONT BOARD
F
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