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IC BLOCK DIAGRAM & DESCRIPTION
IC442 TA8223K(Power Amp.)
IC806 74VHCT08AMTCX(AND)
1
14
A
0
2
B
0
3
O
0
4
A
1
5
B
1
6
O
1
7
GND
13 A
2
12 B
2
11 O
2
10 A
3
9 B
3
8 O
3
V
CC
A
L
L
H
H
B
L
H
L
H
Pin Names
A
n'
B
N
O
N
Description
Inputs
Outputs
O
L
L
L
H
IC401 KIA7805API(Regulator)
1 2 3
1. INPUT
2. COMMON
3. OUTPUT
IC881 KRX101U(Switching)
Q1
Q2
1
5
2
3
4
IC602,801 S524A40X21-SCT0(EEPROM)
1
5
6
7
2
3
4
8
Vcc
GND
WP
SCL
SDA
A
2
A
1
A
0
START
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
COMP
LOAD
INC
EN
SERIAL
CONTROL
LOGIC
DATA WORD
ADDR/COUNTER
Y DEC
H,V. PUMP/TIMING
E PROM
2
SERIAL MUX
DATA RECOVERY
X DEC
D
OUT
/ACK
LOGIC
D
IN
D
OUT
R/W
