Ultrasound Technologies Fetatrack 310, Service Manual

Page: 48 / 81

1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
A B C D
A B C D
MAX1243
U11
3
SHDN
2
AIN
6
DOUT
5
GND
4
REF
1
VDD
7
CS
8
SCLK
LM336M
U10
2.5V
5
R
4
VM
8
VP
R170
100K
MAX549
U31
3
CS
4
DIN
1
GND
2
OUTA
6
OUTB
5
SCLK
7
REF
8
VDD
D26 BZX84C5V1
2 3
VR2
5K
R146
1M
R179 1K0
R148
1K0
R149
1K0
R163
220K
R177
220K
J14
1 2 3 4 5 6
R165 470R
South Wales. NP26 5PS. UK Portskewett, Caldicot Lodge Way
ultratec 2003 Copyright
Drg No:
Date
ECN
Issue
Drawn:
Ultrasound Technologies Ltd
Date:
of
Sheet
Name:
FT310M~1
5
5
R169
680K
BAS16 D24
2 3
BAS16 D25
2 3
R157
22K
R156
22K
R159
47K
R151
4K7
R155
4K7
R150
4K7
R154
4K7
R175
330K
R147 330K R145 330K
LM324M
U32
5
I+
6
I-
4
11
7
LM324M
U32
10
I+
9
I-
4
11
8
LM324M
U32
3
I+
2
I-
4
11
1
LM324M
U26
5
I+
6
I-
4
11
7
LM324M
U26
3
I+
2
I-
4
11
1
LM324M
U26
12
I+
13
I-
4
11
14
R168
10K R173
10K
R176 10K
R167 10K
R161 10K
R174
10K
R178
10K
R172
10K
R160
10K
R162
10K
R153 10K
R158
10R
R152
100R
R171
100K
+
C156 100uF
C90
100nF
C91
100nF
C157 100nF
C159 100nF C158 100nF
C164 100nF
C163
100nF
C161
100nF
C155 100nF
C160 1uF
C162 1uF
Vcc
+12V
neg12V
Vcc
Toco_Adjust_Clock {03} Toco_A/D_CS {03}
A/DOff
Toco_Adjust_Data {03}
+12V
+12V
+12V
neg12V
Toco_VRef
neg12V
neg12V
toco_complex
+12V
neg12V
Vcc
Vcc
Toco_VRef
CS_Toco_Adjust {03}
+12V
Toco_Adjust_Data {03}
Toco_Adjust_Clock {03}
neg12V
Vcc
+12V
Toco_connected {03}
neg12V
Mar 01
188
3
Adc
Auto Zero Control
Toco Connector
-Exe
+Exe
-Return
+Return
June 00
2
May 00
1
PFM1R Toco Circuit
RN