Sanyo MDG-077, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
RO
M
RAN
P4(8)
P1(8)
P0(8)
P2(8)
Timer 1(8) Timer 2(8) Timer 3(8) Timer 4(8) Timer 5(8) Timer 6(8)
39
38
P4
4
/INT
4
P4
5
/INT
1
/ZCR
P4
7
/T3
OUT
P4
6
/T1
OUT
P4
3
/INT
3
P4
2
/INT
2
P4
1
P4
0
/INT
0
AV
SS
V
REF
27
28
29
30
31
32
33
34
P5(8)
11
12
13
14
17
18
15
16
P6(8)
19
20
21
22
23
24
25
26
P7(8)
1
2
3
45
6
7
99
100
8
P8(8)
81
82
83
84
85
86
87
88
P9(8)
73
74
75
76
77
78
79
80
48
47
46
45
44
35
98
40
91
43
42
41
56
55
54
53
52
51
50
49
64
63
62
61
60
59
58
57
P
A
(8)
89
90
92
93
94
95
96
97
P3
0
/SEG
24
P3
1
/SEG
25
P3
2
/SEG
26
P3
3
/SEG
27
PB(4)
10
36
37
P3
4
/SEG
28
P3
5
/SEG
29
P3
6
/SEG
30
P3
7
/SEG
31
P7
7
/AN
7
P8
7
/SEG
15
P8
6
/SEG
14
P8
5
/SEG
13
P8
4
/SEG
12
P8
3
/SEG
11
P8
2
/SEG
10
P8
1
/SEG
9
P8
0
/SEG
8
P9
7
/SEG
23
P9
6
/SEG
22
P9
5
/SEG
21
P9
4
/SEG
20
P9
3
/SEG
19
P9
2
/SEG
18
P9
1
/SEG
17
P9
0
/SEG
16
PA
7
/SEG
7
PA
6
/SEG
6
PA
5
/SEG
5
PA
4
/SEG
4
PB
2
/DA
9
PB
3
PB
1
/X
CIN
PB
0
/X
COUT
PA
3
/SEG
3
PA
2
/SEG
2
PA
1
/SEG
1
PA
0
/SEG
0
P7
6
/AN
6
P7
5
/AN
5
P7
4
/AN
4
P7
3
/AN
3
P7
2
/AN
2
P7
1
/AN
1
P7
0
/AN
0
P3(8)
65
66
67
68
69
70
71
72
S I/O1(8)
S I/O2(8)
S I/O3(8)
A-D con
v
e
rter (8)
D-A con
v
e
rter (8)
Local data
bu
s
T1
OUT
T3
OUT
PWM
CNTR
0
CNTR
1
A X Y S
PC
L
PC
H
PS
CPU
Cioc
k gener
ating
circuit
X
CIN
Sub-cloc
k
input
X
COUT
Sub-cloc
k
input
X
COUT
X
CIN
16
Zero cross
detection circuit
Interruqt interval
determination
circuit
INT
2
INT
3,
INT
4
INT
1
/
ZCR
SI/O
automatic
tr
ansf
er
controller
SI/O
automatic
tr
ansf
er RAM
controller
SI/O
automatic
displa
y RAM
controller
FLD
automatic
displa
y
controller
Data
P5
7
/S
RDY3
/AN
15
P5
6
/S
CLK3
/AN
14
P5
5
/S
OYT3
/AN
13
P5
4
/S
IN3
/AN
12
P5
3
/S
RDY2
/AN
11
P5
2
/S
CLK2
/AN
10
P5
1
/S
OUT2
/AN
9
P5
0
/S
IN2
/AN
8
P6
7
/S
RDY1
/CS/S
CLK12
P6
6
/S
CLK11
P6
5
/S
OUT1
P6
4
/S
IN1
P6
3
/CNTR
1
P6
2
/CNTR
0
P6
1
/PWM
P6
0
X
OUT
X
IN
RESET
V
CC
V
SS
V
EE
P0
0
/SEG
32
/DIG
0
P0
1
/SEG
33
/DIG
1
P0
2
/SEG
34
/DIG
2
P0
3
/SEG
35
/DIG
3
P0
4
/SEG
36
/DIG
4
P0
5
/SEG
37
/DIG
5
P0
6
/SEG
38
/DIG
6
P0
7
/SEG
39
/DIG
7
P1
0
/SEG
40
/DIG
8
P1
1
/SEG
41
/DIG
9
P1
2
/DIG
10
P1
3
/DIG
11
P1
4
/DIG
12
P1
5
/DIG
13
P1
6
/DIG
14
P1
7
/DIG
15
P2
0
/DIG
16
P2
1
/DIG
17
P2
2
/DIG
18
P2
3
/DIG
19
P2
4
P2
5
P2
6
P2
7
IC531 M38197MAA-636FP (Single Chip 8-bit C Mos)