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8-9-5.
Audio/CTL
Head
Position
Adjustment
Tool:
Alignment
tape,
RR2-1SD
Eccentric
screwdriver
(5¢)
DM-54
Board
and
the
EXT.TRIG
to TP4
on
the
DM-54
Board.
(3)
Playback
the alignment
tape.
Check
procedure:
(1) While
turning
the
TRACKING
control
knob,
check
that
the
RF
envelope
has
maximum
amplitude
at
the
center
detent
Audio/CTL Head
position
of the
TRACKING
control
knob.
Adjustment
procedure:
(1)
Loosen
the
three
fixing
screws
1/4
to
1/2
turn.
(2)
Move
the
Audio/CTL
Head
with
an
eccentric
screwdriver
(5%)
in the
direc-
tion
of
the
arrow
to
meet
the
required
specification.
8-16
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