Marantz SD1000 - Electrical Adjustments (Continued); Tape Speed Adjustment Procedure; Playback Equalizer Adjustment Guide

a
6.2 TAPE SPEED ADJUSTMENT
SET UP
1.
Power
voltage:-
50
or
60
Hz
AC
voltage
rated
for
the unit to be used in a market country.
2. Output terminal:- LINE OUTPUT (or DIN).
3.
Test
tape
used:-
MTT-111
(3kHz
Tone)
at
1-7/8
IPS.
MTT-111SP
at
3-3/4
IPS.
4, Unit position:- Vertical.
PROCEDURES
1.
For
1-7/8
ips,
play
the
mid
portion
of
the
test
tape
MTT-111
back.
Adjust
the
tape
speed
adjusting
variable
resistor
inside
the
motor
for
2990
to
3010
Hz
counter
indication.
2.
For
3-3/4
ips,
play
the
mid
portion
of
the
test
tape
MTT-111SP
back.
Adjust
R945
for
2990
to
3010
Hz
counter
indication.
FREQUENCY
COUNTER
TONE: 3 kHz
SPEED DOWN
ay
Sox UP
CAUTIONS
1.
For
adjustment,
the
tape
deck
should
be
set
up
in
the
normal
operating
condition.
2.
Do
not
adjust
the
variable
resistor
more
turns
than
needed.
3.
Do
not
proceed
with
adjustment
after
the
tape
deck
temperature
has
changed.
4,
If
a
strong
shock
or
similar
vibration
is
applied
to
the
tape
deck
after
adjustment,
make
certain
that
the
measured
tape
speed
had
not
changed.
5.
If
the
tape
speed
deviation
occurs,
perform
the
adjustment
again.
6.
Be
careful
that
the
counter
may
indicate
a
wrong
value
because
of
too
low
counter
input
level.
7.
Before
adjustment,
allow
for
30
seconds
or
more
after
depressing
of
the
PLAY
pushbutton.
NOTE:
Be
sure
to
carry
out
the
1-7/8
ips
tape
speed
adjustment for first.
10
6.3 PLAYBACK EQUALIZER ADJUSTMENT
SET UP
1.
Power
voltage:-
50
or
60
Hz
AC
voltage
rated
for
the
unit
to
be
used
in
a
market
country.
TAPE
SELECTOR
switch
position:-
NORMAL.
.
Load:-
Measuring
instrument
input
impedance.
, Output terminal:- LINE OUTPUT.
. Test tape used:- MTT-115C.
. Tape Speed:- 1-7/8 IPS.
OnhWN
PROCEDURES
1.
Play
the
test
tape
MTT-115C.
Let
the
315
Hz
signal
level
be
reference
as
0
dB.
2,
Adjust
R114
and
R214
(5kQ
each)
for
10
kHz
frequeney
response
of
0
to
+1
dB
in
reference
to
the
315
Hz
signal
level.
1.
Proceed
both
for
the
right
and
left
chan-
nels
in
the
same
manner.
2.
Note
that
clockwise
turning
of
R114
and
R214
will
increase
the
10
kHz
signal
out-
put
level.
Mode: Playback
NOTES:
MTT-115C
R252 G@_fmerer ADIR)
RIS2 CG [mere aou.in)
REC.LEVEL ADJ.
HIRD
REC.LEVEL ADJ.
MeL)