Sony Professional U-matic SP BVU-950 Maintenance Manual page 101

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6-1-2.
Reel
Table
Height
Adjustment
. The
height
of
the
reel
table
is
the
reference
for
the
tape
threading
system
and
the
tape
path
system.
This
Adjustment
should
be
performed
very carefully.
Tool:
Reel
table height check
base jig
Reel
table
height
check
jig
Hexagonal
screwdriver
(across flat has
1.27 mm)
Mode:
EJECT
completion
mode
Check
procedure:
(1)
The
probes
of
the
Reel
Table
Height
Check
Jig
marked
"SO"
and
"TO"
can
slide
over
the
reel
table,
leaving
a
clearance
between
the
jig
and
the
reel
table.
The
probes
marked
"SX"
and
"TX"
meet
the
flange
and
cannot
slide
over
the
reel
table.
.Use
the
"SO"
and
"SX"
probes
for
the
Supply
Reel Table.
_Use
the
"TO"
and
"TX"
probes
for
the
Take-up
Reel
Table.
Adjustment
procedure:
- Supply
Reel
Table
(1)
Remove
the
front
panel
and
insert
a
hexagonal
screwdriver
in
the
hole
of
the
chassis as shown
in the figure.
Loosen
the
two
set
screws
in
the
S
Reel
Table
1 to
2
turns.
(The
reel
table
is
pushed
up
because
a spring is under
the reel table.)
(2)
While
pressing
down
the reel
table, adjust
the
height
to
meet
the _
required
specification.
After
adjustment,
install
the
front
panel
to the
unit.
- Take-up
Reel
Table
(3) Remove
the
front
panel
and
insert
a
hexagonal
screwdriver
in
the
hole
of
the
chassis
as shown
in the
figure.
Loosen
the
two
set
screws
in
the
T
Reel
Table
1 to
2
turns.
(The
reel
table
is
pushed
up
because a spring is under the reel table.)
(2)
While
pressing
down
the reel
table, adjust
the
height
to
meet
the
required
specification.
After
adjustment,
install
the
front panel
to the unit.
Reel Table Height Check Base Jig A,
S Reel Table
SE-48 Board
a
P
at fe
Reel Table Height Check Jig
S
/
T Reel Table~
|~
marked SO or TO
markes SX or TX
ah
~~
slide over
|
meet
fixing screws
6-3

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