Teac A-5500 - Page 38

SPECIFIED
OUTPUT
LEVEL
SETTING
NOTE:
Connect
a
10
kn
load
resistor
to
the
OUTPUT
jacks
for
all
audio
measurements
when
not
using
TEAC
Test-Set
(M-826A).
Forward play ( » ):
1
2.
3,
4.
on
Place
the
MONITOR
switch
to
the
TAPE
position.
Turn
the
OUTPUT
control
fully
clockwise
(MAX).
Thread
TEAC
Test
Tape
YIT-1003
on
the
unit.
Operate
at
19
cm+7-1/2ips.
Play
the
400
Hz
in
Section
1
of
the
Test
Tape.
This
tone
is
recorded
at
operating
reference
level
(1%
of
the
THD
level).
.
Adjust
PLAY
LEVEL
VR-651/652
to
obtain
an
OUTPUT
of
-2
dB
at
the
OUTPUT
jacks.
.
Align
the
reference
marks
of
controls
so
that
they
are
at
approx.
the
3
o'clock
position.
This will
give
approx.
-8
dB
at
the
OUTPUT
jacks.
.
Readjust
VR-651/652
for
a
-8
dB
level
at
OUTPUT
jacks.
IMPORTANT:
This
is
the
Specified
Output
Level
setting.
Do
not
disturb
this
set-
ting
until
the
remaining
adjustments
have
been
completed.
Mark
with
"Memory
Marker".
OUTPUT
MIN MAX
"Memory Marker"
VU
METER
LEVEL
SET
—-L
OOOO
8.
os
10.
FREQUENCY RESPONSE
.
Place
Tape
SPEED
switch
in
19
cm-7-1/2
position.
.
Thread
a
TEAC
Test
Tape
YIT-1003
on
the
unit.
as
onnwm
Place
the
METER
switch
to
the
NORMAL
position.
Adjust
VR-351/352
for
a
reading
of
0
VU
on
the
VU
Meters
on
the
lower
scale.
Place
the
METER
switch
to
the
HIGH
position.
Check
for
0
VW
indication
on
the
VU
Meters
upper
scale.
Compare
the
readings
obtained
on
the
Test-Set
with
the
Response
Limits
given
in
Fig.
12-2.
If
adjustment
is
required,
adjust
PLAY
EQ
VR-203/204
(HIGH)
for
19
cm-7-1/2
speed
(FWD
and
REV
directions).
.
Change
Tape
SPEED
switch
to
9.5
cm+3-3/4
position.
.
Thread
a
TEAC Test
Tape
YIT-1002
on
the
unit.
Repeat
Step
3.
Check
for
best
frequency
response.
If
fine
adjustment
is
required,
adjust
PLAY
EQ
VR-201/202
(Low)
for
9.5
cm-3-3/4
speed.
(FWD
and
REV
directions).
NOTE ~
If
the
frequency
response
does
not
meet
specified
response
limits
especially
in
high-end
of
the
specturm,
head
should
be
checked
for
accumulated
dirt
or
oxides.
If
clean,
head
azimuth
must
be
readjusted.