OMICROM FT
21 September 1998
SERVICE MANUAL
5.35
Date:
December 28, 1997
Sheet
1
of
2
Size
Document Number
REV
B
PLAC04_1.SCH
Title
ESQUEMA ORGANIZATIVO PLACA PRINCIPAL
PLAC04 - 23/03/95 Rev. 30
C14
100nF
+5V
RO
1
RE
2
DE
3
DI
4
GND
5
DO/RI
6
DO/RI
7
VCC
8
U3
SN75176
C9
100nF
D0
D1
C22
+5V
WE\
A0
A1
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
+5V
+5V
1
8
R1G
10K
1
9
R1H
10K
J1
J2
+5V
1
5
R1D
10K
RESET
+5V
OUT
1
VDD
2
VSS
3
U1
MC34064P
C2
47nF
1
G1
C3
15pF
C4
15pF
X1
12MHz
R2
1K
+5V
+5V
+5V
1
2
R1A
10K
C8
100nF
+5V
A
[
0
.
.
1
5
]
A8
A9
A10
A11
A12
A13
A14
A2
A3
A4
A5
A6
A7
OE\
D2
D3
D4
D5
D6
D7
C21
C7
C8
C15
+5V
1
7
R1F
10K
R4
100
TXRED
RXRED
CSRAM
D0
D1
D2
D3
C23
C25
C26
A0
A1
A2
A3
A4
A5
A6
A7
A0
A1
A2
A3
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
C1
D0
D1
D2
D3
D4
D5
D6
D7
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
C20
C18
1
6
R1E
10K
C5
1uF
C
1
RELOJ
R3
10M
C
2
C
3
C
4
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
C5
+5V
1
4
R1C
10K
D0
D1
D2
D3
D4
D5
D6
D7
C4
C5
C7
C13
C20
+5V
ADRESS BUS
D
[
0
.
.
7
]
A8
A9
A10
A11
A12
A13
A14
A15
A8
A9
A10
A11
A12
A13
A14
A15
A4
A5
A6
A7
D4
D5
D6
D7
+5V
C10
100nF
C
S
R
O
M
C
2
1
C
2
4
D[0..7]
C6
1uF
C7
100nF
C
2
C
3
C
4
C
1
3
C
1
4
C
1
5
C
1
6
C
1
7
C
1
8
C
1
9
C
1
1
C
1
2
D[0..7]
DATA BUS
C
1
0
C
6
C
8
C
9
T
X
C
O
M
R
X
C
O
M
C
2
7
C
2
8
C
3
0
C
2
9
T
X
A
U
X
R
X
A
U
X
C
6
IP0
IP1
IP2
OP0
OP1
OP2
+5V
1
3
R1B
10K
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
JP2
PUERTOS
X1/CLK
32
X2
33
IP0
7
IP1
4
IP2
36
IP3
2
IP4
39
IP5
38
RS1
1
RS2
3
RS3
5
RS4
6
CS
35
R/W
8
IACK
37
RESET
34
TXDA
30
RXDA
31
TXDB
11
RXDB
10
OP0
29
OP1
12
OP2
28
OP3
13
OP4
27
OP5
14
OP6
26
OP7
15
D0
25
D1
16
D2
24
D3
17
D4
23
D5
18
D6
22
D7
19
DTACK
9
IRQ
21
VCC
40
GND
20
U8
68681
IP0
IP1
IP2
IP3
IP[0..5]
X2
3.6864MHz
C11
15pF
1
G2
C12
4,7pF
A15
A14
A12
A13
A8
A9
A11
A10
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
U7
PAL18P8
WE\
CSRAM
OE\
CSROM
CS232
MISO
MOSI
SCK
KEYB
C10
C11
C19
C9
C22
C21
C23
C24
SSD
SSCB
RED1
RED2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
JP1
BordePCB
C14
C17
C16
C12
C29
C30
RED3
TXAUX
RXAUX
+5V
C15
100nF
TXRED
RXRED
TXCOM
RXCOM
C26
C25
C28
C27
C22
+5V
+5V
A0
A1
A2
A3
CS232
WE\
IP4
IP5
D0
D1
D2
D3
D4
D5
D6
D7
IP3
IP4
IP5
OP3
OP4
OP5
OP6
OP7
C13
TEMPERATURA
TEMP
CAL
SELR
C13
100nF
1
2
C1
220uF
1
2
C16
10uF
VCC
+5V
+5V
RED4
Summary of Contents for Omicrom FT
Page 3: ......
Page 17: ...OMICROM FT SERVICE MANUAL 21 September 1998 2 10 ...
Page 37: ...OMICROM FT SERVICE MANUAL 21 September 1998 3 10 ...
Page 54: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 6 5 2 2 P000PLAC01 Part list ...
Page 57: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 9 5 2 3 P000PLAC04 Part list ...
Page 59: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 11 5 2 4 P000PLAC05 Part list ...
Page 63: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 15 5 2 6 P000PLAC10 Part list ...
Page 66: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 18 5 2 7 P000PLAC14 Part list ...
Page 69: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 21 5 2 9 P000PLAC19 Part list ...
Page 72: ...OMICROM FT SERVICE MANUAL 21 September 1998 5 24 5 2 10 P000PLAC20 Part list ...
Page 76: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 28 5 3 1 P000PLAC01 Schematics ...
Page 82: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 34 5 3 2 P000PLAC04 Schematics ...
Page 85: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 37 5 3 3 P000PLAC05 Schematics ...
Page 87: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 39 5 3 4 P000PLAC07 Schematics ...
Page 90: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 42 5 3 5 P000PLAC10 Schematics ...
Page 95: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 47 5 3 6 P000PLAC14 Schematics ...
Page 99: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 51 5 3 7 P000PLAC15 Schematics ...
Page 101: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 53 5 3 8 P000PLAC19 Schematics ...
Page 108: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 60 5 3 9 P000PLAC20 Schematics ...
Page 116: ...OMICROM FT 21 September 1998 SERVICE MANUAL 5 68 ...