Service manual

IMl035
Unnecessary
delays
may
be
avoided
when
parts
are
returned
to
Electronic
Display'
Division
using
the
follo~ing
procedures:
(1) Package
the
unit
or
part
in
accordance
with
the
method
of
shipment.
Enclose
a
list
of
the
material
being
returned
and
the
reason
for
returning
it.
(2) Send
the
unit
or
part,
transportation
prepaid,
to
the
address
sti-
pulated
for
returning
parts.
All
equipment and
parts
described
in
the
warranty
will
be
replaced,
provided
E.D. DIV's
examination
discloses
that
the
defects
are
within
the
limits
of
the
warranty.
If
damages
or
defects
are
not
within
the
limits
of
the
warranty,
the
customer
will
be
notified
of
the
extent
of
repairs
required
and
the
cost.
The
unit
will
be
repaired
and
returned
upon
agreement.
6.4
WAVEFORMS
The waveforms on
the
component
layout
were
taken
with
1.5
V peak
to
peak
cross-
hatch
signal
applied
to
the
monitor.
These waveforms can
be
used
as
a check
point
to
localize
problems
to
a
specific
circuit
area.
The waveform
photographs
indicate
the
actual
peak
amplitude
for
each
test
point.
The
TV
50
is
the
only
exception,
the
peak
to
peak
amplitude
is
specified
for
TP9, TP12,
TP13
and TP14.
6.5
BOARD
ASSEMBLY
The
board
assembly
part
number
has
a,p-002-XXXX
prefix.
The
last
four
digits
of
the
part
number
is
found
under
the
"use
on 6-002" column
in
the
parts
list.
The
last
four
digits
of
the
board
assembly
part
number
is
stamped on
the
component
side
of
the
board
near
JlOl.
6-2