Disassembly; Cabinet Removal; Electrical Service - Sony AV-3420CE Service Manual

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SECTION
2
DISASSEMBLY
2-1.
CABINET
REMOVAL
2.
Remove
the four Phillips-head screws as indi-
cated
in
Fig. 2-3
(B)
and
remove
the
RF
The
cabinet
may
be removed
by
taking
out
unit housing and insulation sheet.
the eight screws
indicated
in Fig. 2-1 and Fig. 2-2.
Keep the cabinet lid on when removing these screws.
@RK4x6
2pcs
@B3x8
2pes
The video, audio, and servo boards are mounted
on
hinges.
Remove
four screws
at the corners to
release the board
so that both sides are accessible.
See Fig. 2-4.
Fig.
2-2.
2-2.
ELECTRICAL SERVICE
Video, audio, and servo circuits are exposed for
service by removing the bottom reinforcement beam,
RF
unit housing, and insulation sheet.
1.
Remove
the
two
Phillips-head
screws
that
secure
the
bottom
reinforcement
beam
and
remove the beam.
See Fig. 2-3 (A).
Fig. 2-3 (B)
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