Service manual
IMl035
Section
2
INSTALLATION
-..J
2.1
MECHANICAL
The
TV
50
data
monitor
has
four
6-32
clinch
nuts
for
mounting
the
unit.
The
TV
120,
0°,
5°,
7~0
and 10°
monitors
have
four
6-32
clinch
nuts
on
the
frame
for
installation
purposes.
The
TV
120, 15°
monitor
uses
three
6-32
clinch
nuts
for
mounting. The
TV
90
data
monitor
has
four
.188X.sOO
radius
end
slots
for
installation.
Refer
to
figure
1-2
2.2
ELECTRICAL
2.2.1
DC
Input
The
TV
50/90/120
DC
models can
be
operated
from
either
a
12
VDC
or
IS
VDC
source.
Refer
to
section
1.2.5
for
details.
The
DC
input
power
is
applied
through
the
10
pin
edge
connector.
2.2.2
AC
Input
The
TV
90/120
AC
models have
their
own
self
contained
AC
power
supply.
This
supply
can
operate
either
on
120
VAC
or
220/240
VAC
depending on which
plug
of
the
jumper
plug
assembly
P2
is
inserted
into
the
power
supply
module.
The power
transformer
is
wired
to
operate
on
either
120
VAC
or
220/240
VAC
SO/60Hz.
To
operate
the
power
supply
on 120
VAC,
take
the
connector
shell
of
P2
marked
with
120 and
insert
it
in
to
J2.
Conversely,
to
operate
at
220/240
VAC
insert
the
connector
shell
of
P2
marked
with
240
into
J2.
AC
power
is
supplied
to
the
unit
via
Jl.
Jl
is
a 4
contact
female
connector
shell
(Molex #03-06-2041)
with
male
contacts
(Molex #45295)
2.3
Location
The
TV
50/90/120
models
shall
not
be
located
in
an
area
that
restricts
air
flow
around
the
unit
nor
shall
it
be
placed
near
any
heat
generating
sources,
since
this
may
cause
the
unit
to
overheat.
2.4
GROUNDING
TECHINIQUES
The method
of
interconnecting
and grounding
the
equipment
is
a
function·
of
the
signal
frequency.
Optimum
grounding depends
largely
on
the
system
in
which
the
equipment
is
used.
The
following
grounding
technique
is
recommended
when
instal-
ling
the
monitor.
Refer
to
figure
2-1
for
interface
connections.
The
horizontal,
CRT
arc
and
video/vertical
board
circuit
grounds
are
terminated
at
JlOl.
The
horizontal
ground
(JlOl-1)
and
CRT
arc
ground
(JlOl-5)
is
connected
together
by a jumper
wire
on
the
board
and
they
are
connected
to
the
frame by a
wire
from
EllO.
2-1