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– 76 –
IC451
M62005L
– DISPLAY Board –
IC101
M66004M8FP
IC501
M5293L
INDICATION
CODE
RESISTOR
(8BIT x 16)
DECODER
(35BIT x 16)
DECODER
(35BIT x 16)
CODE/COMMAND
CONTROL
CIRCUIT
INDICATION
CONTROL
RESISTOR
INDICATION
CONTROLLER
DIGITAL
OUTPUT
CIRCUIT
CODE
WRITE
SERIAL
RECEIVE
CIRCUIT
OUTPUT
PORT
(2BIT)
CLOCK
GENERATOR
CIRCUIT
RAM WRITE
CODE SELECT
DIG12
|
DIG15
V
CC
2
SEG0
|
SEG26
V
SS
XIN
XOUT
V
CC
1
RES
DIG11
|
DIG0
CS
CLK
DATA
SEG35
|
SEG27
P1
P0
14
15
16
17
18
19
20
21
22
23
|
31
13
1
|
12
SEGMENT OUTPUT CIRCUIT
59
|
33
60
32
VP
64
|
61
– POWER Board –
IC401, 411
BA3963
1
MODE1(5V)
2
MODE2(7V)
3
C
4
RRC
5
RESET
6
5V
7
VCC
8
NC
9
NC
10
7V
11
PRE GND
12
GND
REF. V
OVER
CURRENT
PROTECT
–
+
OVER
CURRENT
PROTECT
–
+
1
2
3
4
5
VCC
Cd
RESET
INT
GND
+
–
+
–
RESET
SIGNAL
GENERATOR
INTERRUPT
SIGNAL
GENERATOR
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
IN
REFERENCE
VOLTAGE
OUT
3
4
1