Ultrasound Technologies Fetatrack 310, Service Manual

Page: 50 / 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
R11 180R
R10 27K
J4
1 2 3 4 5 6 7
J1
1
P1
10
P10
11
P11
12
P12
13
P13
14
P14
15
P15
16
P16
2
P2
3
P3
4
P4
5
P5
6
P6
7
P7
8
P8
9
P9
J3
1 10 11 12 13 14 2 3 4 5 6 7 8 9
VR1 250K
J8
1
P1
10
P10
11
P11
12
P12
13
P13
14
P14
15
P15
16
P16
17
P17
18
P18
19
P19
2
P2
20
P20
3
P3
4
P4
5
P5
6
P6
7
P7
8
P8
9
P9
J7
1
P1
10
P10
11
P11
12
P12
13
P13
14
P14
15
P15
16
P16
17
P17
18
P18
19
P19
2
P2
20
P20
3
P3
4
P4
5
P5
6
P6
7
P7
8
P8
9
P9
R12
1R
R13 1R
R15
1R
R16 1R
J2
1 2 3 4 5 6 7 8
R18
12K
C10 4700pf
NJM3777
U2
9
C1
16
C2
11
Dis1
14
Dis2
3
E1
22
E2
6
Gnd1
7
Gnd2
18
Gnd3
19
Gnd4
4
MA1
21
MA2
2
MB1
23
MB2
10
Phase1
15
Phase2
12
RC
13
Vcc
5
VMM1
20
VMM2
8
VR1
17
VR2
J6
1 2
+
C2 100uF
ACT541
U1
1
G1
19
G2
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
18
Y1
17
Y2
16
Y3
15
Y4
14
Y5
13
Y6
12
Y7
11
Y8
+
C1 220uF
+
C7 220uF
J5
1 2 3 4
C6
100nF
C5 100nF
C4 100nF
C3 100nF
R14
1K0
R17
1K0
R1
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:
FT310F~1
1
1
C8
10nF
C9
10nF
R9 10K
R8 10K
R7 10K
R6 10K
R5 10K
R4 10K
R3 10K
R2 10K
R19 100R
R20 100R
R21 100R
R22 100R
C11 100nF
C12 100nF
Vcc
Vcc
+24V
Key[1]
Key[1]
Key[2]
Key[2]
Key[3]
Key[3]
Key[4]
Key[4]
Key[5]
Key[5]
KeyOut
KeyOut
Vcc
Sign1 Sign2
MotorPhase1Zero MotorPhase2Zero
Vcc
DA1 DA2
Vcc
Vcc
Serial_Out
+24V
Serial_Clock
printheadstrobe1
DS1
printheadstrobe2 printheadstrobe3
DS2
printheadstrobe4
DisplayData[0]
printheadlatch
Sign1
DisplayData[1]
Sign2
DisplayData[2]
MotorPhase1Zero
paperout
DisplayData[3]
MotorPhase2Zero
DisplayData[4]
DA1
DisplayData[5]
DA2
DisplayData[6] DisplayData[7]
Vcc
paperout
Vcc
+24V
Vcc
DisplayData[0] DisplayData[1]
Vcc
DisplayData[2] DisplayData[3] DisplayData[4] DisplayData[5]
Vcc
DisplayData[6] DisplayData[7]
DS1 DS2
Serial_Out Serial_Clock printheadstrobe1 printheadstrobe2 printheadstrobe3 printheadstrobe4 printheadlatch
NAS
Oct 04
eng
1
Fetatrack 310 recorder interface board
Motor Drive Output
Printhead interface
Front Panel Key Pad Interface
LCD contrast control
Front Panel Display Interface
Power connection
LCD Backlight