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6-11.
CASSETTE-UP
COMPARTMENT
ADJUSTMENT
. The
Cassette-up
Compartment'
has
two
photo-electric
switches.
The
ON/OFF
timing of these switches
is adjusted
in this procedures.
. Remove
the
Cassette-up
Compartment
from
the
unit
for
this
adjustment.
6-11-1.
Cassette-in
Switch
Position
Adjustment
Tool:
KCA
type
cassette
tape
Circuit
tester
Thickness
gauge
Preparation:
(1)
Connect
jumpers
from
the
harness
plug
for
the
Cassette-up
Compartment
to
terminals
on
the
CC-31
Board
as follows:
plug of harness
terminal
on
(CN1)
CC-31
Board
pin
4 (5V)
—> pin 4/CN401
pin
5 or 2 (GND) +—7—
pin 5 or 2/CN401
(2) Turn the power ON.
Check
procedure:
(1)
Connect
the
circuit
tester
to
pin
1 (H;
CASSETTE
IN)
of
CN401
on
the
CC-31
Board.
(2)
Slowly
insert
a
KCA-60
type
cassette
tape.
(3) When
the
circuit
tester
indicates
"H"
(about
5V),
check
that
the
clearance
between
the
front
side
of
the
cassette
tape
and
the bracket
of the
Cassette- up
Compartment
meets
the
required
specification.
Adjustment
procedure:
(1) Move
the
Cassette-in
Switch
in
the
direction
of
the
arrow
to
meet
the
required
specification.
Reference:
Insert
a
3.3
mm
thickness
gauge
between
the
cassette
tape
and
the
bracket.
Adjust
the
position
of
the
Cassette-in
Switch
until
the
circuit
tester
indicates
to "H".
Cassette-in Switch
(photointerrupter)
CC-31 Board
CC-33 Board
Bracket
fixing screw
Spec.:
3mm = @ Ss 3.4mm
6-25
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