Heathkit H9 - Troubleshooting Charts

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TROTJBLESHOOTING
This
section of the Manual
is
divided into
four
parts.
The first
part,
titled
"General
Troubleshooting
Infor-
mation,"
describes
what to
do
about difficulties
that
may
occur
during
or right
after
you
assemble
the
Terminal.
The
second
part,
titled
"Troubleshooting
Charts,"
lists
problems
or conditions
that might
occur. The
"Possible
Cause"
column lists
the components
as-
sociated with the
problem.
In
many
cases, the name
of
the circuits involved
with the
problem
are also
given.
this
will help
you
relate a
problem
to the Schematic
and
Circuit
Description.
The
third
section,
titled "Troubleshooting
Waveforms,"
provides
several
important
waveforms
and their respective
test
points.
If
the
CRT screen is
blank,
always
check the
horizontal
and vertical
svnc
waveforms.
The fourth
part,
titled "Shipping
Information,"
ex-
plains
how to
prepare your
Terminal
for
shipping.
Refer to
the
"X-Ray
Views"
for the
physical
location
of
parts
on
the circuit
boards.