Akai X-2000SD - Page 25

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Chl PLAY (Set
VRIO8 Boss
Ee
@
Ch-2 PLAY
VR208
Fig. 3
3.
ADJUSTMENT
OF
LINE
OUTPUT
LEVEL
(A)
Playback
Output
Level
(Pre-Amplifier
Adjust-
d)
Record
the
signal
on
the
tape
and
ment
(REEL)
(Ref.
Fig.
3)
check
playback
to
see
whether
VTVM.
a)
Connect
a
high
sensitivity
V.T.V.M.
to
the
Meters
Indicate
+4
db.
Line
Output
Jack.
e)
If
VIVM.
Meter
indicator
fails
to
b)
Play
back
a
250
Hz
pre-recorded
tape
at
register
+4
db,
repeat
recording
and
7-1/2
ips.
playback
by
adjusting
the
semi-fixed
c)
Adjust
VR-108,
and
VR-208
(semi-fixed
resistors
VR
104,
or
VR
204
(10KQ
resistor
30
KB
Fig.
3)
of
the
pre-amplifier
B
semi-fixed
resistor)
until
+4
db
read-
so
that
the
Line
Output
Voltage
is
1.228
V
ing
is
obtained.
both
on
recording
(#4
dB).
and
playback.
(B)
Recording
Level
Adjustment
2)
CASSETTE
Recording
amplifier
adjustment
should
be
made
a)
Set
recorder
to
Cassette
Recording
only
after
Head
Adjustment
(Vertical
and
position
and
load
a
blank
cassette
Horizontal
Azimuth)
and
Playback
amplifier
tape.
adjustments
have
been
made.
b).
Follow
steps
c)
through
e)
of
reel
1)
REEL
procedure
above
(Adjust
VR
105
and
a)
As
shown
in
Fig.
4,
connect
an
Audio
VR
205.
Recorded
signal
output
level
Signal
Generator
and
Attenuator
the
is
—1
to
+2
dB).
Line
Input.
Connect
a
high
sensitivity
3)
CARTRIDGE
V.T.V.M.
to
the
Line
Output.
a)
Set
the
recorder
to
Cartridge
Record-
ing
position
and
load
a
blank
cartridge
tape.
b)
Follow
steps
c)
through
e)
of
reel
Fig.
4
procedure
above
(Adjust
VR
106
and,
VR
206.
Recorded
signal
output
level
b)
Set
Equalizer
Switch
and
Tape
Speed
is
0
+
2
dB).
Selector
to
“7-1/2”.
Load
a
blank
test
tape
(Fuji
FYS-100
or
Scotch
No.
150).
,
c)
Supply
a
1000Hz
signal
from
the
audio
signal
generator
to
the
Line
Input,
and
adjust
each
of
the
Volume
Controls
so
that
each
of
the
VU
Meters
indicate
“0”
VU
(intermediate
between
red
and
black).
os
Ee
ete
he
ae
ge
a
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