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Onkyo TA-630D

Onkyo TA-630D
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2-2.
19
kHz
filter
adjustment
PROCEDURES:
1)
Connect
the
19kHz,
1mV
input
signal
to
the
line
in
terminal.
2)
Turn
the
Dolby
NR
(MPX
Filter)
switch
to
the
IN
position.
3)
Connect
the
VI
VM
to
the
MODE
terminal.
4)
Adjust
L103,
and
L104
for
minimum
VTVM
read.
LINE
IN
Atlenuator
OUTPUT
Terminal
2-3.
Dolby
circuit
adjustment
PROCEDURES:
1)
Connect
the
5kHz,
10mV
input
signal
to
the
line
in
terminal.
2)
Connect
the
VT VM
to
the
TP-103
terminal.
3)
Set
the
tape
deck
in
the
recording
mode
of
opera-
tion.
4)
Adjust
the
input
level
volume
for
23.5mV
VTVM
read.
5)
Turn
the
Dolby
NR
(MPX
Filter)
switch.
6)
Adjust
R167
for
60mV
VTVM
read.
2-4.
Record
bias
adjustment
AF
OSC
LINE
IN
Attenuator
Output
terminal
OTP103
R639
R652
R191
400Hz
OSC
osc
REC
LEVEL
LEVEL
LEVEL
TP105
°
R211
BIAS
L111
ADJUST
SO
TRAP
COIL
TP106
©)
*
©)
IAS
L112
ADJUST
Trap
COIL
TP104
°
11
R167
)
@
LOW
ADJUST.
R243
1)
Press
the
pause
key,
and
put
the
tape
deck
into
recording
mode.
Apply
a
400Hz
signal
to
the
Line
input
terminals,
and
adjust
the
AF
oscillator
output
so
that
the
VU
meter
reads
OVU.
2)
Then
set
the
input
level
to
—20dB,
and
release
the
pause
switch
to
record
on
the
tape.
Read
the
out-
put
level
when
this
recording
is
played
back
again.
3)
Next
change
the
frequency
of
the
oscillator
to
8kHz,
and
record
again
as
described
above.
During
playback
of
this
recording,
obtain
the
same
output
level
as
with
the
400Hz
recording
by
readjusting
R211
and
R212.
-5.
Record-playback
output
level
adjustment
PROCEDURES:
1)
Connect
the
1
kHz
input
signal
to
the
line
in
terminal.
2)
Set
the
Tape
Selector
to
CrO2.
3)
Connect
the
VTVM
to
the
output
terminal.
4)
Set
the
tape
deck
in
the
recording
mode
of
oepra-
tion.
5)
Adjust
the
attenuator
for
0.775mV
VTVM
tread.
6)
Set
the
deck
in
the
playback
mode
of
operation.
7)
Adjust
the
R191
and
R192
for
+0.7dbm
(0.718V
—0.837V)
VTVM
read.
LINE
IN
Atlenuator
OUTPUT
Terminal
R244
METER
ADJUST.
Righf
R133
FREQ.
RESPONSE
ADJUST
R135
(9)
PB
LEVEL
ADJUST.
|
L103
L101
Ce
R136
PB
LEVEL
(©)
rs
iv
R134
FREQ.
RESPONSE
ADJUST.
L104
1102
SKID

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