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Teac FD-55 Series - 232

Teac FD-55 Series
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ii)
For
the
model
without
head
load
solenoid
(CSS
model):
HS
and
HM
straps
have
no
meaning
for
CSS
(Contact
Start/Stop)
models.
Even
though
one
of
these
straps
is
set
to
on-state,
it
will
have
no
influence
to
the
other
functions.
However,
as
a
general
rule,
these
straps
should
be
set
to
off-state.
(4)
UR
~
RE
strap
block
{al
IU
and
HL
straps
Straps
to
select
the
function
of
the
IN
USE/HEAD
LOAD
input
signal
(signal
connector
pin
number
is
4)
i)
For
the
model
with
head
load
solenoid:
When
the
IU
strap
is
on-state,
the
signal
of
pin
number
4
functions
as
the
IN
USE
signal.
The
IN
USE
function,
independent
of
the
DRIVE SELECT
signal,
is
provided
to
turn.
on
the
front
bezel
indicator
and
to
control
the
rotation
of
the
spindle
motor
by
setting
the
ML
strap
in
item
(d).
Refer
to
items
2-2-3-3
and
2-2-3-4
for
the
operating
conditions
of
the
front
bezel
indicator
and
spindle
motor.
If
HL
strap
is
on-state,
the
signal
of
pin
number
4
functions
as
the
HEAD
LOAD
signal.
If
the
MX
strap
is
on
at
this
time,
the
head
loading
will
be
executed
by
the
HEAD
LOAD
signal,
while
the
MX
strap
is
off,
the
head
loading
will.
be
executed
by
the
ANDed
condition
of
the
HEAO
LOAD
signal
and
the
DRIVE SELECT
signal
selected
by
DSO
~
DS3
straps.
It
is
possible
to
set
both
of
the
IU
and
the
HL
straps
on
at
the
same
time.
In
such
a
case,
the
signal
of
pin
number
4
has
two
functions
of
the
IN
USE
and
the
HEAD
LOAD.
Also
both
straps
may
be
set
to
off
at
the
same
time.
In
such
a
case
both
functions
of
the
signal
will
be
invalid.
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232
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