Table of Contents
Advertisement
July,
1992
DJ-70
This
is
ANALOG BOARD
TEST
MENU
tUiTi-u
X
h
^
-
jL
-
Tto
When
you
finish
press "EXIT"
to return to
the
ANALOG BOARD
TEST MENU.
X
tto
A) Pressing
"A"
the display
will
show;
D/A
MSB
ADJUST
INSERT
STEREO
PHONES
ON
PHONES JACK
&
SET
PHONES
VOLUME
TO
MAX
A
=
VOICE
START
EXIT
=
RETURN
This allows
you
to
adjust
the
MSB
of the
D/A
converter.
Before
entering
this
test,
connect
a
stereo
phones
to
the
PHONES
jack.
When
you
press
"A"
a
continous tone
will
be output
from
the
PHONES
fack.
Adjust
the
trimmer
potentiometer,
VR1,
on
the
analog
board
to
reduce the continous tone
to
the lowest
possible
volume.
When
you
press
"B"
the
continous tone
will
be
stopped.
When
you have completed
press
"EXIT"
to
exit
and
to return to
ANALOG BOARD
TEST MENU.
B)
Pressing
"B"
the display
will
show:
SINE D/A
CHECK
OUT
LEFT
=
880Hz
PHONES
=
440Hz
OUT
RIGHT
=
1760Hz
LEVEL
=
XX
(SI
=
DEC
;
S2
=
INC)
A
=
VOICE
START
EXIT
=
RETURN
XX
=
1
-
13
This
test
checks the operations
of the
D/A
converter.
Before
you
enter
this
test,
connect
a
monitor speaker
and an
oscilloscope
(set
to 1V/div.,0.2mS/div.) to
the
rear
panel
STEREO
OUT
L
(mono)
jack,
and
set
the
front
panel
VOLUME
knob
to
maximum
(MAX).
Use
the panel switches, "SI
"
for
decrement and "S2"
for
increment,
to adjust
the displayed
level
over
the
range
1-13,
and
the
level
of the
continous
tone,
being
output
from
OUT
will
change
accordingly.
The
level will
double
for
each increment
and
,
at
the
maximum
(13),
it
will
be
Min.4.5Vpp; Max.5.5Vpp.
Connect
the oscilloscope
to
the
PHONES
jack,
set
the
PHONES
volume
to
MAX
and decrment
the displayed
level
to 12
using
"SI"
button.
The
level
of the
continous tone
will
be
Min.13.5Vpp.
Max.15.5
Vpp
Pressing
"EXIT"
you
will
come
back
to
the
ANALOG BOARD
TEST
MEMU.
A)
y
A
j:
9
ti'o
D/A
MSB
ADJUST
INSERT
STEREO PHONES
ON
PHONES JACK
&
SET
PHONES VOLUME TO
MAX
A
=
VOICE
START
EXIT
=
RETURN
D/A 3
>7'?-
^
(7)
MSB
T
y-
Y
^
y
^
y
V
^
—
y
^
PHONES
'7
^^^y
A
II
^
fit
to
rtu
vRi
S/j''
A
?)
o
EXIT
^
If
A
o
to
B)
t^'yB^nto
tto
SINE D/A
CHECK
OUT
LEFT
=
880Hz
PHONES
=
440Hz
OUT
RIGHT
=
1760Hz
LEVEL
=
XX
(SI
=
DEC
:
S2
=
INC)
A
=
VOICE
START
EXIT
=
RETURN
XX
=
1
~13
D/A
3
y^'^'~^<7)ty
h'C-to
(iV/div.
0.2ms/div)
OUTPUT
L (mono)
^
VOLUME t MAX
KW^t
•?)
O
SI
yt
ytf3tU'S2
xT
,
13CDB#(CM:4.5~5.5
V
'O
tto
PHONES v
^
-y
^
(Cjf
^
t.
PHONES
a.
" A ^ MAXlCiS^U^
SI
U
U^;mi3.5~
15.5
Vpp
^
tt
o
EXIT
iY^ttrtuymu-ry
v
x
t
to
C)
Pressing
"C"
the display
will
show:
C)
t^yc^Y^to
J:
-9
19
SAo
D/A
OFFSET
ADJUST
D/A
OFFSET
ADJUST
VR3
VR3
+
+
VR2
VR2
EXIT
TO RETURN
EXIT
TO RETURN
This allows
you
to
adjust
the
offset
of
the
A/D
converter
input.
While viewing
the bar
graph
display
in
the
LCD,
rotate
the
trimmer
potentiometer
in
the analog
board (VR2
for
the
left
channel,
VR3
for
the
right
channel)
so
that
the
mark
is
at
the center
(+).
A/D
3
y/^~9(DXtl(Dtyt:y
(Lch) Jb'J:U^'VR3 (Rch)
LCD
t
9
^^t^o
Pressing "EXIT", again,
you
will
come
back
to
the
MAIN
MEMU.
Exiting
TEST MODE.
Switch
OFF
the instrument.
DJ-70
DATA SAVE
AND
LOAD
•
For
more
information,
see
the
DJ-70
instruction
manual.
•
Save
Procedure
1.
Insert
a
new
floppy
disk
into
the
disk
drive.
2.
Press the
"DISK"
button.
3.
Press the function
key
located
below
"SAVE"
displayed
on
the screen.
The "DISK
SAVE PAGE"
screen
is
then
displayed.
4.
Using
the
""
and/or
"" button,
move
the cursor to
the target
parameter
to highlight
its
display.
5.
Using
the
"SI" and "S2"
buttons,
call
"VolumeSong".
6.
A
window
opens
at
the center
of
the screen,
where
files
on
internal
memory
are displayed.
7.
Using
the
""
and/or
"" button,
move
the cursor to
the
file
name
to
be saved
to highlight
its
display.
8.
Press the
"SI"
or
"S2"
button
to
start
save.
If
"FORMAT
IS
REQUIRED"
is
displayed
at
this
time
to indicate that
an unformatted
disk
is
used,
select
"YES".
The
disk
is
formatted
and
the
file
saved
automatically.
CAUTION; One
disk
accepts only
one
file.
9.
Remove
the
disk
from
the
disk
drive.
At
this
time, write the
file
name
saved on
the disk
label
and
set
the
protect tab
to
the
"ON"
(PROTECT)
position.
10.
Press the
"EXIT"
button
to
leave
this
mode.
•
Load Procedure
1.
Take
the floppy
disk
containing the
file
saved
and
insert
it
into
the disk
drive.
2.
Press the
"DISK"
button.
3.
Press the function
key
located
below
"Load A/B"
displayed
on
the screen.
The "DISK
LOAD PAGE"
screen
is
then
displayed.
4.
Using
the
""
and/or
"" button,
move
the cursor to
the target
parameter
to highlight
its
display.
5.
Using
the
"SI" and "S2"
buttons,
call
"VolumeSong".
6.
A
window
opens
at
the center
of
the screen,
where
files
on
internal
memory
are displayed.
7.
Using
the
""
and/or
"" button,
move
the cursor
to
the
file
name
to
be loaded
to
highlight
its
display.
8.
Press the
"SI"
or
"S2"
button
to
start
load.
If
data written already
exists
on
internal
memory
at
this
time,
a
window
opens and
a
message
appears
to
ask
you
if
all
data
on
internal
memory may
be
erased. Select
"NO"
to
keep
the data stored
on
internal
memory
and
read
a
new
file.
9.
Press the
"EXIT"
button
to
leave
this
mode.
EXIT
^
^ 9
y 4 y y
tto
'j-yYx-
t y
i^t
^
o
•
wm
.
DJ-70
^
l
a
t
$
v
^
o
1.
Li^y u
y
X
y
y
y
^
.
t
y
yy
•
Vy
4
XKWXLXT^iy
2.
[DISK]7'4^
3.
"SAVE"
tXt^fiXi^y>t(Dy
7
y
3
>
•
t~^WLXr^iy
"ty
yy
•
x~t
•
^—7"
4.
[^]tyy, [w]t
y
y
LX
^
y-tyf-
^'^yy
—
y
—
iz^
fj
—
y
5.
[Sl]74^>,
[S2]tyy^itMLX.
"Volume
+
Song"
XTA^ytxr^iy
6.
yyyvyf)tM^.
^ V
T
T
$
tr
S
7o
7.
[A.]xyy,
[w]tyy^i'^^Lx.
x-tt^yr
4
fj
—
y
)L^'^t>-tX
^
8
.
[SI
]
77
V
/)^[S2
]
7'
^ V
1
1
^
-fe
"
V"
^
U
S
1-0
y
t
y
h
^fixi^^j:i^t'y
yy
iit^L
t(DX\
"YES"'^ji^i^tTT$v^o
^mtz,
ryy
y^. y
t-y
y
h
LX.
y74)L^.
x-tLtto
!
!
:
ifycot'yyyKt.
lMX>yr4)LL
XX-
y"X
^ t-t
X<DX"tMLXT
9.
ryyy
•
Vy4XXh.ry yy^M^iXLxr^i\
>1(7)0#,
ryyy<Dy^)LL.
X-y"Lfzy
r
4
^tlXLx. y°uxy
V
yy'X
"on" (protect)
10.
[EX\T]ty
y^:WLX.
L(DX-LXLmfXT^i\
•
u-
Y'(DXii
1
.
y
7
4
jL^x-
X LX
foitzyu
y
X-
•
X
y
yy
X.
x'yyy
•
K7T 71c®auat$v^o
2.
[DISK]A:7
3.
X\Z.
"Load
A/B"
LWL^flXl^ht
<Dy
7
V7'>3 7
•
"X'y
yy
•
n -
K
•
^-'7"
(7)®ffiA'A/u$tL^
1"o
4.
[A.]xyy,
[w]ty
y^mmLx. y-tyf-
/^yy —
y
—
hz.
fj
—
y
)L
x^txx
.
XyyXX.^4
5
.
[S1]A7>,
[S2]
A7
>
LT,
"Volume
+
Song"
6.
7
4
>
K7
A'Ufl
^
,
x'yyyXLt^^
y
7
4
xxXt^fitto
7
.
[A.]xyy,
lw]t
y yXitXi
LX.
v-vthy7
4
xtiL.
f!
—
y
xX'atXX
.
XtXK^i^XXT
8.
[si]tyyx[s2]tyyxntt.u- vxmizLtto
icDH#,
x-yx.
tfixi^^m^t.
y
y
y Y'yXMfiX.
AtMAO-
tx^x-yxf^XLxtix^tx
xmi^x ^ttc)
X.
ItMyxv -±(XX-yX^^Lfztt.
frUv^VT
4
"NO"
9.
[EXIT]
4
/'
7
7^®
LA,
10 ^-
AT$v^o
11
Advertisement
Table of Contents
