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5-11-2.
Drum
Unit (See
Fig. 5-1 1-2.)
1.
Removal
1)
For some models with
the board located
above
the upper drum, remove
the board.
2)
Remove the flexible
P.C.B. @ from
the PRE-AMP
UNIT (take care not to PUII the flexible
p.C.B.
in the upward
direction).
3)
Remove the LOAD RACK only, as instructed
in
5-4-1.
2.
Remounting
1)
While
aligning
the
drum
unit
@
to
the
protuberance,
mount
it
to
the
drum
base
(CYLINDER BASE) @ with
the three screws @.
2)
Mount
the ROAD RACK as instructed
in 5-4-1.
3)
Insert the flexible
P.C.B. into the PRE-AMP UNIT.
4)
Clean the drum
unit.
5)
Perform the tape path adjustment
as instructed
in 6-4. and perform
the CH-1 /CH-2
switching
-..
.
4)
Remove the three
screws @, then
remove
the
position
adjustment
of the servo
circuit.
drum
unit 0
NOTE : When
removing
and
remounting
the
drum unit, handle it carefully
to Protect
it from
scratches
and dirt.
r
_— -—.
——.
— ———— .—
1
I
I
OFlexible
P.
(To pre-Amp
@Drum
Unit
I
i
I
I
I -———
\/
/\,
A
Protuberance S
/
. .
C. B.
Unit)
@Drum. Base ~
u
(Cylinder
Base)
L
L
L
*
1,
i!?-
1,
\.
i
@Screw
!!?
Fig. 5-I 1-2
Drum
Unit
(Compl
Cylinder)
. .. .
....
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.,
.+
.
..'.
-.:":.'
–63–
.'
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