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Akai AX-890 User Manual

Akai AX-890
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4-3.
ADJUSTMENT
NOTE:
1.
Set
the
S.S.G
to
1
kHz,
75
kHz
deviation
for
[U],
[S],
[B],
or
[E]
model
and
1
kHz
40
kHz
deviation
for
[V]
model
during
FM
section
adjustment.
2.
Set
the
S.S.G
to
1
kHz,
30
%
modulation
during
AM
section
adjustment.
The
frequencies
indicated
in
<
>
are
for
the
[E]
version
model.
abla
tin
pai
wi
ih
'3[
FM
TUNING
INDICATOR
1.
98.0
MHz,
22
dBu
(MONO)
2.
98.0
MHz
(preset
1
ch
but
FM
MONO)
3.
Tuning
Indicator
on
the
FLD,
VR1
4.
*
Tuning
indicator
is
lit
at
22
dBy
input.
pre
os
Reina
i
2
MONO
USABLE
SENSITIVITY
"|
1.
98.0
MHz,
3
dBy
(MONO)
2.
98.0
MHz
(preset
1
ch
but
FM
MONO)
3.
T2
4.
©
Connect
the
distortion
meter
to
the
LINE
OUT,
*
Minimum
distortion
|
4|
DISTORTION
(STEREO
1.
98.0
MHz,
60
dBy
(STEREO
L
or
R
channel
only)
4
2.
98.0
MHz
(FM
AUTO,
preset
1
ch)
3.
T2
4.
¢
Connect
the
distortion
meter
to
LINE OUT.
*
Minimum
Distortion
(less
than
1.0
%)
Note:
Never
turn
the
T2
more
than
+
90°,
CENTER
VOLTAGE
1.
98.0
MHz,60
dBu
(MONO)
2.
98.0
MHz
(FM
AUTO,
preset
1
ch)
3.71
,
4.
¢
Connect
the
DC
Digital
Voltmeter
to
both
ends
of
TP2(R8).
*
045
#|
1.
98.0
MHz,
60
dBy
(STEREO
L
or
R
channel
only)
|
2.
98.0
MHz
(FM
AUTO,
preset
1
ch)
3.
VR2
1
4.
¢
Connect
the
milli-voltmeter
to
LINE
OUT.
*
Minimum
output
level
for
opposite
channel.
Seo
=
ADJUSTMENT
ITEM
1.
S.S.G
frequency
&
output
level
2.
Set's
tuning
frequency
&
mode
3.
Test
point,
adjustment
part
4.
Remarks
(¢)
&
result
(*)
&
Test
Point
Adjustment
Part
1c61
TP1
T33KY
(RED)
KY
T34KY
(ORG)
KY
T35
TU-CD
PCB
Vv
FRONT
SERVICE
MANUAL
1.
162
kHz,
74
dBy
(Low)
&
279
kHz
<297
kHz>,
74
dBy
(High)
2.
162
kHz
(preset
4
ch),
279kHz
<297
kHz>
(preset
|
5
ch)
3.
T32
(Low),
VC32.
(High)
4.
¢
Connect
the
distortion
meter
to
LINE
OUT.
*
Minimum
distortion
&
maximum
output
level.
*
For
best
results,
repeat
Low
and
High
adjustments
several
times
4{MWSENSITIVTY
1.
603
kHz,
74
dBy
(Low)
&
1,404
kHz,
74
dBy
|
(High)
2.
603
kHz
(Low)
(preset
8
ch)
1,404
kHz
(High)
(preset
7
ch)
3)
3.
T31
(Low)
&
VC31
(High)
1
4.
¢
Connect
the
distortion
meter
to
LINE
OUT.
%*
Minimum
distortion
&
maximum
output
level.
*
For
best
results,
repeat
Low
and
High
adjustments
several
times.
1,404
kHz
(preset
7
ch)
33
Connect
the
Digital
DC
Voltmeter
between
TP1
(JW
91)
and
GND.
.
279
kHz
<351
kHz>
(preset
10
ch)
.
TP1
(JW
91)
&
T34
.
©
Connect
the
Digital
DC
Voltmeter
between
TP1
and
GND.
*
5.44
0.05V
<8.2.+
0.05V>
1.
198
kHz,
74
dBy
2.
198
kHz
(preset
6
ch)
3.
T35
4.
Connect
the
milli-voltmeter
to
LINE
OUT.
1
%&
Maximum
output
level
1.
999
kHz,
55
dBu
2.
999
kHz
(preset
9
ch)
3.
Tuning
indicator
on
the
FLD,
VR3
4,
*
Tuning
LED
is
lit.

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Akai AX-890 Specifications

General IconGeneral
BrandAkai
ModelAX-890
CategoryStereo System
LanguageEnglish

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