OMICROM FT
21 September 1998
SERVICE MANUAL
5.62
Date:
June 8, 1998
Sheet
2
of
7
Size
Document Number
REV
B
PLAC20_2.SCH
Title
MICROPROCESADOR
PLAC20 - 28/05/98 Rev.03
C22
WE\
C17
100nF
+5Vg
A15
A14
A12
A13
A8
A9
A11
WE\
CSRAM
OE\
CSROM
C22
C21
C23
C24
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
I8
8
I9
9
I10
11
O1
19
O2
18
O3
17
O4
16
O5
15
O6
14
O7
13
O8
12
VCC
20
GND
10
U8
PALCE16V8
P
U
E
R
T
O
A
PA3
PA4
PA6
PA7
PA0
PA2
PA1
C13
C14
C16
C17
C20
C18
C19
+5Vg
1
7
R2F
10K
J1
+5Vg
+5Vg
OUT
1
VDD
2
VSS
3
U1
MC34064P
1
5
R2D
10K
1
G1
C8
15pF
C9
15pF
J2
+5Vg
1
6
R2E
10K
MISO
P
U
E
R
T
O
D
MOSI
SCK
PD2
PD3
PD4
C9
C10
C11
CSLAT
C15
100nF
C3
C2
C25
+5Vg
A
[
0
.
.
1
5
]
A8
A0
A1
A2
A3
A4
A5
A6
A7
A10
D0
D1
D2
D3
D4
D5
D6
D7
VCC
28
DQ0
11
DQ1
12
DQ2
13
DQ3
15
DQ4
16
DQ5
17
DQ6
18
DQ7
19
G
22
VSS
14
W
27
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
E
20
U5
SRAM 32Kx8
C21
C23
CSRAM
OE\
C16
100nF
A0
A1
A9
A10
A11
A12
A13
A14
+5Vg
C1
D0
D1
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
V
C
C
2
0
G
N
D
1
0
L
E
1
1
O
E
1
U4
74HC373
CONV. A/D
PE0
PE1
PE2
PE3
+5Vg
1
8
R2G
10K
+5Vg
R1
1K
C10
1uF
RELOJ
X1
12MHz
R3
10M
C
4
RESET
C6
+5Vg
C7
47nF
1
4
R2C
10K
D0
D1
D2
D3
D4
D5
D6
C5
1
3
R2B
10K
C
3
XTAL
8
PC0
9
PC1
10
PC2
11
PC3
12
PC4
13
PC5
14
PC6
15
PC7
16
RESET
17
P
D
1
2
1
P
D
2
2
2
P
D
3
2
3
P
D
4
2
4
P
D
5
2
5
P
A
7
2
7
P
A
6
2
8
P
A
5
2
9
P
A
4
3
0
P
A
3
3
1
P
A
2
3
2
P
A
1
3
3
PE5
46
PE1
45
PE4
44
PE0
43
A8
42
A9
41
A10
40
A11
39
A12
38
A13
37
A14
36
A15
35
PA0
34
E
X
T
A
L
7
R
/
W
6
E
5
A
S
4
M
O
D
A
3
M
O
D
B
2
G
N
D
1
V
R
H
5
2
V
R
L
5
1
P
E
7
5
0
P
E
3
4
9
P
E
6
4
8
P
E
2
4
7
XIRQ
18
IRQ
19
PD0
20
V
D
D
2
6
U2
68HC11
C
1
C
2
PE0
PE2
PE1
PE3
D2
D3
D4
D5
D6
D7
A8
A9
A10
A11
A2
A3
A4
A5
A6
A7
A8
A9
A10
A0
A1
A2
A3
A4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
+5Vg
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
27
A15
1
CE
20
OE
22
O0
11
O1
12
O2
13
O3
15
O4
16
O5
17
O6
18
O7
19
VCC
28
GND
14
U6
EPROM 64Kx8
C18
100nF
ADRESS BUS
C
S
R
O
M
A12
A13
A14
A15
A11
A12
A13
A14
A15
C
2
1
C
2
4
D
[
0
.
.
7
]
C13
100nF
C20
C
1
9
+5Vg
C12
1uF
C
1
3
C
1
4
C
1
5
C
1
6
C
1
7
C
1
8
C
1
0
C
1
1
C
1
2
C4
C5
C
6
C7
C
8
C
9
D7
C
O
M
U
N
I
C
A
C
I
O
N
D[0..7]
C
1
5
C
7
C
8
DATA BUS
CSLAT
C14
100nF
D[0..7]
+5Vg
D
[
0
.
.
7
]
C
2
5
D0
D1
D2
D3
D4
D5
D6
D7
L4
L5
L6
L0
L1
L2
L3
L7
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
V
C
C
2
0
G
N
D
1
0
L
E
1
1
O
E
1
U7
74HC373
+5Vg
1
2
R2A
10K
PA5a
RXDa
TXDa
L[0..7]
L[0..7]
Содержание Omicrom FT
Страница 3: ......
Страница 17: ...OMICROM FT SERVICE MANUAL 21 September 1998 2 10 ...
Страница 37: ...OMICROM FT SERVICE MANUAL 21 September 1998 3 10 ...
Страница 54: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 6 5 2 2 P000PLAC01 Part list ...
Страница 57: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 9 5 2 3 P000PLAC04 Part list ...
Страница 59: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 11 5 2 4 P000PLAC05 Part list ...
Страница 61: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 13 5 2 5 P000PLAC07 Part list Component side Solder side ...
Страница 63: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 15 5 2 6 P000PLAC10 Part list ...
Страница 66: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 18 5 2 7 P000PLAC14 Part list ...
Страница 69: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 21 5 2 9 P000PLAC19 Part list ...
Страница 72: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 24 5 2 10 P000PLAC20 Part list ...
Страница 76: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 28 5 3 1 P000PLAC01 Schematics ...
Страница 82: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 34 5 3 2 P000PLAC04 Schematics ...
Страница 85: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 37 5 3 3 P000PLAC05 Schematics ...
Страница 87: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 39 5 3 4 P000PLAC07 Schematics ...
Страница 90: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 42 5 3 5 P000PLAC10 Schematics ...
Страница 95: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 47 5 3 6 P000PLAC14 Schematics ...
Страница 99: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 51 5 3 7 P000PLAC15 Schematics ...
Страница 101: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 53 5 3 8 P000PLAC19 Schematics ...
Страница 108: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 60 5 3 9 P000PLAC20 Schematics ...
Страница 116: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 68 ...