Teac A-4010GSL - Bias Trap Adjustment; Simplified Record Diagram

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3 Fa02 7
Tact
we Ts oD igi os ERASE.
BIAS OSC
Fig.
6-8
Simplifier
Diagram
-Record-
L301 L101
Fig. 6-9 Adjustable Parts Location
BIAS TRAP ADJUSTMENT
NOTE:
The
bias
trap
tank
circuit
keeps
the
bias
signal
from
reaching
the
record
and
monitor
amplifier
and
under
normal
no
signal
conditions,
bias
leakage
voltage
should
not
be
present
at
the
OUTPUT
jacks.
Place
the
unit
in
RECORD
with
no
signal
applied.
Connect
a
VIVM
to
the
junction
of
C-115/L-101.
Adjust
L-101
for
a
minimum
reading.
Connect
the
VIVM
to
the
junction
of
C-215/L-201.
.
Adjust
L-201
for
a
minimum
reading.
.
Adjust
L-103/203
for
minimum
VIVM
indication
at
OUTPUT jacks.
DOWN E
Fig. 6-10 Bias Voltage
Leakage