Sanyo DC-TS780 Service Manual page 23

IC BLOCK DIAGRAM & DESCRIPTION
IC430 M38507B8-184FP(MICON)
X X
IN OUT
19 20
Sub- Sub-
clock clock
input output
X X
CIN OUT
Ciock generating
circuit
R A M
Watchdog
timer Reset
A-D
PWM
converter
(8)
(10)
2 3 4 5 6 7 8
IC806 74VHCT08AMTCX(AND)
A 1
0
2
B
0
3
O
0
A 4
1
B 5
1
O 6
1
7
GND
A
L
L
H
H
Pin Names
A B
n' N
O
N
V V
SS CC
21 1
C P U
R O N
PC
H
SI/O(8)
INT -
0
INT
3
P4(5) P3(5)
38 39 40 41 42
14 V
CC
13 A
2
12 B
2
11 O
2
10 A
3
9 B
3
8 O
3
B O
L L
H L
L L
H H
Description
Inputs
Outputs
RESET CNV
SS
18 15
A
X
Y
S
PC
L
PS
2
I C
P2(8)
9 10 11 12 13 14 16 17
IC461 NJM4556AL(Op. Amp.)
D,M,V Type
(Top View)
1 8
A
2 7
B
3 6
V(-) 4 5
- 22 -
Timer 1(8)
Prescaler 12(8) Timer 2(8)
Prescaler X(8)
Timer X(8)
CNTR
0
Prescaler Y(8) Timer Y(8)
CNTR
1
XCOUT
XCIN
P1(8)
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
L Type
V(+)
A B
1 2 3 4 5
V(+)
P0(8)
6 7 8
V(+)