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HCD-ZT4
51
– 5V REG Board –
IC055 BA00BC0WCP-V5E2
THERMAL
SHUT DOWN
OVER CURRENT
PROTECT
VDD
VCC
2
GND
3
NC
5
OUT
4
CTL
1
–
+
VREF
DRIVER
– DISPLAY Board –
IC1101 NJU3427FH2
6
7
8
9
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
52
1
NC
RD4
RD5
RD6
RD7
DR12
DR13
DR14
DR15
DR16
DR17
DR18
DR19
DR20
DR21
DR22
DR23
DR35
DR34
DR33
DR32
DR31
DR30
DR29
DR28
DR27
DR26
DR25
DR24
NC
RST
TIMING/SEGMENT SELECTOR
HIGH VOLTAGE DRIVER
ADDRESS
COUNTER
DISPLAY
DATA RAM
SEGMENT
DATA LATCH
INSTRUCTION
DECODER
SERIAL
BUFFER
RESET
CIRCUIT
OSC
TIMING
COUNTER
DUTY
COUNTER
TIMING
DECODER
51
CS
50
NC
49
SI
48
SCK
47
NC
46
XT
45
XT
44
VSS
43
NC
42
VDD
41
NC
40
VFDP
14
NC
2
3
4
5
RD0
RD1
RD2
RD3
10
11
12
13
RD8
RD9
RD10
RD11
THERMAL SHUTDOWN CIRCUIT
IN4
IN3
IN1
2
3
VCC 1
4
IN2 5
OUT4
OUT3
OUT1
10
9
8
OUT2
7
GND
6
CONTROL
LOGIC
MOTOR
DRIVE
– MOTOR DRIVE Board –
IC001 LB1846M