AVL 9180 Service Manual

96
Date: May 7, 1996Sheet 10 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.
13 11
1 2
U30D 1489
OPEN1 OPEN2 OPEN3 OPEN4 OPEN5
DATA/INST-
DISPEN ADSEL0 ADSEL1 ADSEL2
ADRUN ADCE-
ADHBEN- ADLBEN-
DISPR/W-
SSEN
SER
14
SRCLK
11
SRCLR
10
RCLK
12
RCLR
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
U36 74HC594
SER
14
SRCLK
11
SRCLR
10
RCLK
12
RCLR
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
U37 74HC594
SSEN
VCC VCC
ADCTRL
1 2
R928 4.7K
1 2
R929 4.7K
MOSI SCK
RESET-
VASTR ADOSTR
VCC VCC
VACTRL PRCTRL
1 2
R930 4.7K
PRSTR DISTR
VCC
VCC
10
OUT1
18
OUT2
17
OUT3
16
OUT4
15
OUT5
14
OUT6
13
OUT7
12
OUTM
11
GND
9
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
INM
8
U33 LB1256
SER
14
SRCLK
11
SRCLR
10
RCLK
12
RCLR
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
U34 74HC594
SER
14
SRCLK
11
SRCLR
10
RCLK
12
G
13
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH’
9
U35 74HC595
DD0 DD1 DD2 DD3 DD4 DD5
DD[0..7]
VCC VCC
1 2
R90 1K
PGND
PGND
PRINTVCC
V+
1 2
R88 4.7K
DOT1- DOT2- DOT3- DOT4- DOT5- DOT6- DOT7-
MOTOR-
DD[0..7]
DISPBF
VCC
1 2
R87 330
MISO
CONTRAST
"SS"
1 2
R91 10K
Q6 2N3904
1 2
R99 5.1K
1 2
BZ1 PKM22EPP-4001
1 2
R931 1.5K
BUZZER
1
TP15 TP
SER
10
A
11
B
12
C
13
D
14
E
3
F
4
G
5
H
6
CLK
2
INH
15
SH/LD
1
QH
9
QH
7
U38 74HC165
DD6 DD7
DSPDATA ADDATA
ADISTR ADDAT[0..7] SAMPLE
ADDAT[0..7]
ADDAT0 ADDAT1 ADDAT2 ADDAT3 ADDAT4 ADDAT5 ADDAT6 ADDAT7
Q4 2N3904
Q5 2N3906
1 2
R97 10K
1 2
R98 10K
1 2
R102 10K
1 2
R96 1K
DGND
+5VA+5VA
GND
"SS ADJ."
3 2
1
8 4
U39A LF353
1 2
R92 1K
1 3
2
R93 5KPOT
1 2
R94 1K
+5VA
+5VA -5VA
Q3 2N3904
1 2
R95 100
SAMPLELED-
SBC PCB - PRINTER/ DISPLAY DRIVERS - 9180, 81

AVL 9180 Specifications

General

Brand	AVL
Model	9180
Category	Measuring Instruments
Language	English