AVL 9180 Service Manual

91
Date: May 7, 1996Sheet 5 of 11 Size Document Number REV
B ZD5015 C
Title
SCHEMATIC, MAIN BOARD 9180
(404) 587-4040 Roswell, Georgia 30076 33 Mansell Court AVL Scientific Corp.
2 1
D8 1N4004
2 1
D9 1N4004
2 1
D10 1N4004
PHASEA PHASEB PHASEC
+VS +VS +VS
IN1
2
ENA
1
IN2
9
IN3
12
ENB
11
IN4
19
OUT1
3
OUT2
8
OUT3
13
OUT4
18
GND
5
GND
6
GND
15
VSS
20
VS
10
GND
16
SENSE1
4
SENSE2
7
SENSE3
14
SENSE4
17
U9 L293E
1 2
C46 100uF/50V
1 2
C41 0.1uF
2 1
D7 1N4004
+VS
SGNDSGND
PUMP DRIVER
A
4
INH1
5
B
6
C
7
INH2
8
D
9
SENSE1
14
SENSE2
13
VREF
15
CW/CCW
17
STEP
18
HALF/FULL
19
RESET
20
CONTROL
11
ENABLE
10
GND
2
VS
12
OSC
16
SYNC
1
HOME
3
U10 L297
1 2
C42 0.1uF
1 2
C45 0.1uF
+VS
VCC
SGND SGND
PUMPSTEP
VCC
1 2
R23 22K
1 2
C43 3.3nF
1 2
C47 10uF/16V
PUMPEN
VCC
SGND
1 2
C44 0.1uF
ZS1 DIP20
ZS2 DIP20
1 2
R24 10K 1%
1 2
R32 562 1%
VCC
SGND
1 2
R25 1
1 2
R26 1
2 1
D11 1N4004
SGND
SGNDSGND
SGND
2 1
D12 1N4004
2 1
D13 1N4004
2 1
D14 1N4004
PHASED
SGNDSGNDSGND
DOOR
2 3
7
85 6 41
U11 LM311N
1 2
R28 10K
1 2
R29 10K
1 2
R33 2.2K
1 2
R31 100K
VCC
VCC
VCC
DOOR SWITCH DETECT
1 2
R30 33K
VCC
SGND SGND
DCLOSED
SGND
DGND GND
1 2
R27 100
DLED+
VCC
SBC PCB - PUMP MOTOR DRIVER/DOOR DETECT - 9180, 81

AVL 9180 Specifications

General

Brand	AVL
Model	9180
Category	Measuring Instruments
Language	English