Korg Wavestation - Page 34

3. Confirm the
values
of
ASS-1,
ASS-2,
and
DAMPER are
indicated
in
the LCD.
Then, connect
EXP-2
to
ASS-1 and
ASS-2,
DS-1
or
PS-1
to
DAMPER.
Confirm that
each
value
changes
smoothly
when ASS-1
and
ASS-2 are
operated,
the
value
becomes
127 when
each
pedal is
pressed
fully
and
that
it becomes
when each
pedal is
released.
Confirm that
the value
becomes 127
when
DAMPER is
ON and
that
it becomes
when DAMPER
is OFF.
If
this test
is N. G.
,
check the
VRs
(
Vector
Position
and Wheels
) and
the
circuit of
SCAN (
M37450M4
).
If this
test
is
O.K.,
proceed to
the next.
If you need
to check
again,
press
MARK/
JUMP
SW and
select
any test
with
10 KEY
SWs.
«
FINISHING THE
DIAGNOSTIC
TEST
))
1.
Pull out
the
PCM card
(
MSC-01
) and
the
test
card
( DIAG. CARD
).
2.
Press EXIT
SW.
With these
operations,
the
product's
memory is
initialized
and the program
returns
to the
normal
mode.
After
finishing
this
test, load
the data
which was
saved first.
Fig.
1 MDE
Test
Waveform
Fig.
2 TG88/DF88
Test Waveform
«
THE
CONTENT
OF
THE
MIDI
MESSAGE FOR
THE TEST
))
The
MIDI
message
for
the
test is
defined as
one of the MIDI SYSTEM EXCLUSIVE
MESSAGE.
FOh
"
to
point
out
EXCLUSIVE
42h
"
to
point
out
KORG
ID
22h
"
to
point
out
JIG
ID for
KORG' s factory
test
**h
"
to
point
out
the
product's
ID
(
"
28h
"
in case of WS1
)
After
these
4 byte
data
are
transmitted, 1 byte
data which points
out the
status
for
the
test
is
transmitted.
If the status
has the data, n byte data
are
transmitted.
Finally,
"
F7h
"
which points
out EOX
is transmitted and one
MIDI
MESSAGE
for
the
test
consists.
36