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Teac MT-20D-IO - Page 193

Teac MT-20D-IO
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4-4-7
Replacement
of
solenoid
Ass'y
(1)
Articles
to
be
used
(a)
Phillips
screwdriver
No. 0
(b)
Phillips
screwdriver
No.1
(c)
Other
articles
required
in
"Check
and
Adjustment"
item
(2)
Replacement
procedure
(a)
Detach
the
protector
guide
in
accordance
with
Item
4-2-3.(1).
(b)
Detach
the
PCBA
Interface
Control
in
accordance
with
Item
4-4-10.
(c)
Extract
the
connector
J8.
(d)
Extract
the
contacts
(terminals
1,
2)
of
the
solenoid
Ass'y
from
the
connector
housing.
(e)
Remove
the
cables
of
the
solenoid
Ass'
y
from
the
PCBA
holder
to
make
them
free
(Fig.
436).
(f)
Disconnect
the
cables
of
the
LED
indicator
from
the
cord
clamper
(Fig.
447).
(g)
Extract
the
connector
J6.
(h)
Remove
the
three
mounting
screws
from
the
head
base
Ass'y.
Lift
the
head
shift
Ass'y
with
the
head
Ass'y
kept
attached,
and
detach
it
from
the
main
unit
(Fig.
447).
(i)
Remove
the
two
mounting
screws
from
the
solenoid
Ass'y,
and
detach
the
solenoid
Ass'
y
and
cord
clamper
from
the
head
base'
Ass'
y
(Fig.
448).
As
for
the
head
base
Ass'y
detached,
be
careful
not
to
damage
the
front
face
of
the
head
Ass'y.
(j)
Attach
the
new
solenoid
Ass'
y
to
the
head
base
Ass
'y
in
the
reverse
procedure
to
step
(i).
At
this
time,
be
sure
to
set
the
shift
spring
(solenoid
Ass'y)
to
the
curved
face
side
of
the
shift
collar
(head
base
Ass'y)
(Fig.
448).
(k)
Attach
the
parts
assembled
in
step
(j)
in
the
reverse
procedure
to
step
(h)
so
that
the
three
positioning
portions
of
the
head
base
Ass'y
are
pressed
to
the
cut
face
of
the
chassis
(Fig.
449).
- 4100 -

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