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Kurzweil K2000 - K2000 Diagnostic Test Menu (v0.4)

Kurzweil K2000
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SECTION 4
DIAGSO_'.DOC
12/22/92
4.10
K2000 DIAGNOSTICS VERSION
0.4
(K2000 WITH VERSION 1.0 ENGINE SOFTWARE)
This
document
is
intended
only
for
qualified
Kurzweil
service
technicians.
It
will
explain
how
to
use
the
K2000's
internal
diagnostic
software,
describing
the
significance
of
success
or
failure
of
each
of
the
individual
tests,
and
when
applicable,
the
measures
required
to
correct
test
failures
will
be
given.
This
document
is
for
use
with
K2000
Diagnostic
software
Version
0.4.
Version
0.4
of
the
diagnostic
software
is
included
with
K2000
Version
1.0
Engine
software.
Version
1.2x
of
the
K2000
Engine
software
include
Version
1.0
of
the
diagnostic
software,
which
differs
slightly
from
Version
0.4.
If
the
unit
you're
working
on
has
Engine
software
Version
1.2x
,
please
refer
to
the
K2000
Diagnostics
document
for
Version
1.0
of
the
diagnostic
software.
4.11
INTRODUCTION
This
introduction
will
explain
the
general
structure
of
the
diagnostic
software,
and
the
types
of
tests
that
can
be
performed.
4.11.1
Diagnostic
Software
Structure
When
you
enter
the
K2000's
diagnostic
mode,
you
will
see
a
menu
of
available
tests.
At
this
point
you
can
choose
to
run
the
standard
Burn-in
test,
or
you
can
select
individual
tests
to
diagnose
specific
components.
The
Burn-in
test
automatically
initiates
a
series
of
tests
to
check
the
basic
functionality
of
the
K2000's
hardware.
There
are
three
general
types
of
tests:
memory
RAM,
ROM,
and
I/O
(input/output)
.
The
descriptions
of
each
diagnostic
test
will
identify
their
general
types.
4.12
USING
THE
K2000 DIAGNOSTIC
SOFTWARE
4.12.1
Entering
Diagnostic
Mode
IMPORTANT
NOTE:
Before
you
beqin
the
diagnostics,
be
sure
that
the
owner
of
the
K2000
has
backed
up
any
data
stored
in
RAM,
since
the
diagnostics
will
completely
clear
the
unit's
RAM.
Refer
to
section
13
of
the
Musician's
Guide
for
details
on
backinq
up
RAM.
First,
remove
the
battery
access
panel
on
the
bottom
of
the
unit
and
disconnect
the
batteries.
Wait
5
minutes
for
the
battery
capacitors
to
discharge,
then
turn
the
unit
over,
plug
it
in,
and
turn
it
on.
You'll
see
a
display
presenting
three
options:
Hard
Reset,
Cancel,
and
Diagnostics.
See
Figure
4.2.
Use
the
Alpha
Wheel
to
select
the
desired
option,
highlighting
it
in
reverse.
Then
press
the
ENTER
button
to
execute
your
choice.
Selecting
DIAGNOSTICS
will
enter
the
K2000's
diagnostic
mode.
Selecting
HARD
RESET
will
reset
the
K2000
(hard
reset)
and
return
it
to
Program
mode.
Selecting
CANCEL
will
also
execute
a
hard
reset
and
return
to
Program
mode.
11

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