Ultrasound Technologies PD1 series, Руководство по обслуживанию

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1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
A B C D
A B
C D
J6
1 3 2 4
74HC4066
U9
13
CONTA
5
CONTB
6
CONTC
12
CONTD
1
XA
4
XB
8
XC
11
XD
2
YA
3
YB
9
YC
10
YD
ultratec 1999 Copyright
Drg No:
Date
ECN
Issue
Drawn:
Ultrasound Technologies Ltd
Gwent. NP6 6BZ. UK Itton, Chepstow Foresters House
Date:
of
Sheet
N
a
m
e
:
PD1PLUS
6/11/00
22
6:54:10 PM
MAX202E
U10
8
R2in
9
R2out
10
T2in
7
T2out
2
V+
6
V-
1
C1+
3
C1-
4
C2+
5
C2-
13
R1in
12
R1out
11
T1in
14
T1out
ZR78L05G
U11
3
IN
1
OUT
J5
1
10 11 12 13
14 15 16 17 18 19
2
20 21 22 23 24 25 26
3 4 5 6 7 8 9
ICM7211AM U5
17
6
39 28 35
a1
1
a2
9
a3
16
a4
29
AD1
30
AD2
36
b1
2
b2
10
b3
18
b4
44
BP
37
c1
3
c2
11
c3
19
c4
31
CS1
32
CS2
38
d1
4
d2
12
d3
20
d4
24
DB0
25
DB1
26
DB2
27
DB3
41
e1
5
e2
13
e3
21
e4
43
f1
8
f2
15
f3
23
f4
42
g1
7
g2
14
g3
22
g4
34
OSC
40
Vdd
33
Vss
MAX1243
U6
3
SHDN
2
AIN
6
DOUT
5
GND
4
REF
1
VDD
7
CS
8
SCLK
R17
22K
R12
47K
R11 68K
R14
68K
C26
47nF
R23
330K
R30
330K
LM324M
U7
3
I+
2
I-
4 11
1
LM324M
U7
5
I+
6
I-
4 11
7
LM324M
U7
10
I+
9
I-
4 11
8
LM324M
U7
12
I+
13
I-
4 11
14
C20 1nF
C31
1nF
C24 22pF
C23 22pF
X1
12MHz
R10 100K
R27
100K
R31
100K
BAS16 D5
2 3
BAS16 D2
2 3
R20
10K
R18
10K
R9 10K
R29 10K
R28 10K
R26 10K
R25 10K
R24 10K
R22 10K
R21 10K
R19 10K
R15 10K
R13 10K
R16 10K
AT89C51
U8
10
RESET
21
X1
20
X2
35
EAVP
43
P00
42
P01
41
P02
40
P03
39
P04
38
P05
37
P06
36
P07
2
P10
3
P11
4
P12
5
P13
6
P14
7
P15
8
P16
9
P17
24
P20
25
P21
26
P22
27
P23
28
P24
29
P25
30
P26
31
P27
11
RXD
16
T0
17
T1
13
TXD
14
INT0
15
INT1
19
RD
18
WR
33
ALEP
32
PSEN
+
C32 10uF
C36 10nF
C25 1uF
C22 1uF
C38
100nF
C21
100nF
C19
100nF
C18
100nF
C29 100nF
C30 100nF
C35 100nF
C37
100nF
C27 100nF C28 100nF
C34 100nF
C33 100nF
Vcc
Vcc
Vcc
Disp1[1:7]
Vcc
Disp2[1:7]
Vcc
DisplayAD1 DisplayAD2
Disp2[1]
DisplayCS
Disp2[2]
Disp1[7]
4f
bp
Disp2[3]
Disp1[6]
Disp1[2]
Disp1[3]
Disp2[4]
Disp1[5]
Disp1[1]
Disp1[4]
Vcc
Vcc
Disp2[5]
Disp1[7]
Disp1[5]
Disp1[6]
Disp2[3]
Disp2[6]
Disp1[4]
Disp2[2]
Disp2[4]
Disp2[7]
Disp1[3]
Disp2[1]
Disp2[5]
DB[0]
Disp3[1]
Disp1[2]
Vcc
Disp2[7]
Disp2[6]
DB[1]
Disp3[2]
Disp1[1]
Disp3[2]
Disp3[3]
DB[2]
Disp3[3]
Disp3[1]
Disp3[4]
DB[3]
Disp3[4]
Disp3[7]
Disp3[5]
Agc1
Disp3[5]
4g
Disp3[6]
Agc2
Disp3[6]
DisplayCS
Vcc
Agc3
Disp3[7]
DisplayAD2
Agc4
DisplayAD1
RS232_Rx RS232_Tx
BatteryCondition {01}
Disp3[1:7]
D
B
[3
]
A/DClock
DB[2]
A/DDateIn
DB[1]
A/DCS
DB[0]
A/DOff
4g
4f
UnitShutDown {01}
DB[0:3]
Vcc
A/DClock A/DCS
A
/D
O
ff
A
/DDateIn
AudioComplex {01}
Agc1 Agc2 Agc3 Agc4
182
June 00
4
RS232
Nov 99
178
3
1
7
6
Sept 99
2
Adc
Fetal Complex
LowPass Filter (5Hz)
FHR Agc
Band Pass filter fo = 220Hz
Precision Rectifier
Note: Power Rail +5 - 0V
June 98
1
PD1 Plus Digital Signal Processor
LCD Interface
12 MHz Clock