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Sanyo RD 30 - Ferrichrome Tape Adjustments; Ferrichrome Tape Calibration; Ferrichrome Right Channel Calibration

Sanyo RD 30
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ELECTRICAL
ADJUSTMENTS
(continuea)
.
Record
the
1kHz
signal
on
the
tape
by
repressing
the
PAUSE
button.
.
While
the
recorded
signal
is
being
played
back,
check
that
the
VTVM
reads
315mvV.
lf
not,
adjust
the
potentiometer
(P102)
and
re-check
the
output
again
after
the
recording
and
playback
operations
for
the
signal.
Repeat
the
above
adjustment
until
the
specified
output
is
obtained.
RIGHT
CHANNEL
Connect
an
audio
signal
generator
and
an
attenuator
to
the
right
channel!
LINE
IN,
and
a
VTVM
to
the
right
channel
LINE
OUT.
Adjust
the
potentiometer
(P202)
for
the
right
channel
by
following
the
same
procedure
as
for
the
left
channel.
for
Ferrichrome
Tape
Set
the
Bias
and
the
Equalizer
Switches
to
FeCr.
Insert
a
normal
tape
(Example:
SONY
DUAD
C-60)
into
the
cassette
compartment.
Then,
adjust
the
potentiometers
by
following
the
conditions
described
below
and
the
same
procedure
as
for
the
Ferrichrome
Tape.
*
Input
Signal
2.47
caac
cake
bib
e
ew
cua
ow
ee
1kHz
*
Input
Level...
.......0.-0-005.
100mvV
(—20dB)
*
Potentiometers
for
adjustment
Left:
Chantiel:.<<
es
weed
ca
va
ee
PH
ee
WS
ey
P104
Right
Channel...
.........-...2
2.0.00
eee
P204
—19—

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