Teac A-3340 - INPUT LEVEL ADJUSTMENTS; MINIMUM INPUT LEVEL ADJUSTMENT; SPECIFIED INPUT LEVEL SET

MONITOR PERFORMANCE
Quo7s108
Q302/305
Q301/304
of 4¢—w— |
LINE_IN
Fig.
7-5
Simplified
Diagram
-Monitor-
MINIMUM
INPUT
LEVEL
ADJUSTMENT
4-H
LINE Input
Vs
Connect
an
AF
oscillator
to
the
LINE
IN
jacks.
2. Apply a 400 Hz signal at -18 dB.
3.
Place
the
MONITOR
switch
in
the
SOURCE
position
and
turn
the
“ LINE controls fully clockwise.
4,
Adjust
VR
301/304
to
obtain
a
specified
output
level
of
-8
dB
at
OUTPUT
jacks.
MIC Input
5.
After
adjusting
VR
301/304,
apply
a
400
Hz
signal
at
-70
dB
to
the
MIC
IN
jacks.
6.
Rotate
the
MIC
controls
fully
clockwise.
7.
The
output
should
be -8
dB
(specified
output
level).
SPECIFIED INPUT LEVEL SET
8.
ON
NOTE
Mic
input
requires
no
adjustment,
only
an
operational
check.
After
completing
the
check
rotate
mic
controls
fully
counterclockwise
to
eliminate
noise
from
mic
jacks or mic preamplifiers.
Apply
a
400
Hz
signal
at
-8
dB
to
the
LINE
IN
jacks.
Adjust
the
LINE
controls
with
reference
marks
aligned
for
-8
dB
at
the
OUTPUT
jacks.