Sony SLV-286EE - Upper Drum Replacement

2. UPPER DRUM REPLACEMENT
2-1. Removal of Upper Drum
1)
Remove
the
screw
@
(2.6
x
3)
and
take
out
the
SD
ground
assembly
@.
(See
Fig.
3.)
2)
Completely
remove
the
rotary
upper
drum
board
and
desolder
the
soldering
indicated
by
the
arrows.
3)
Remove
two
screw
©
(PSW3
X
8)
and
take
out
the
rotary
upper
drum
in
the
arrow
direction
@.
(See
Fig.
4.)
If
it
difficult,
remove
by
shaking
the
rotary
upper
drum
gradually.
Note:
If
the
drum
can
not
be
removed,
check
wheater
the
solders
have
been
removed
or
not
again.
@ SD ground assembly Drum viewed from up
Solders
@ Screw (2.6 X 3)
2-2. Mounting Upper Drum
1)
2)
3)
4)
5)
6)
When inserting the rotary drum into the lower drum, be
careful not to blur the contacting surface with fingerprint or
the like.
Mount the rotaly upper drum board by aligning marked mp>
with marked => of rotary transformer board (lower drum)
so that the screw holes of both upper and lower drums
match. (See Fig. 4.)
If it is difficult, mount the upper drum by shaking it
gradually.
Note: Be careful not to damage the head. Make sure that the
upper drum is tightly inserted.
Tighten two screws © (PSW3 x 8). (See Fig. 4.)
Note: Temporary tighten two screws. After making sure
that upper drum is tightly inserted, tighten the screws.
Solder points on the board of the rotary upper drum.
Fix the SD ground assembly @ using the screw @ (2.6 x 3)
so that the protrusin of SD ground assembly end contacts the
center of the drum shaft.
Note: When attaching the SD ground assembly @, be care-
ful not to apply force to the spring section of it.
© Screws (PSW3 X 8)
Upper drum assembly
SLV-X-436EE/X71 1: DZR-21-R
(8-848-540-01)
SLV-286EE/X311: TPB3-011
(3-949-187-01)
Adjust each arrow.
Fig. 4.