Fluke 93 Service Manual page 126

DISASSEMBLING
THE
SCOPEMETER
6-5
3.
The
digital
A1
PCB
and
metal screening
are
secured
to
the top
cover
with four
M3
Torn screws
(item 33).
Two
of
these
screws
contain small
standoffs.
6e
sure
to reinstall
them
In
the correct
place
when
the
ScopeMeler
is
reassembled. Use a
Torx screwdriver
to
remove
the screws.
8.
Remove
ihe metal
A1 screening from the
digital
A1
PCB.
9.
Remove
the
digital
A1
PCB
from
of
the lop
cover.
Be
careful
not
to
damage
the infrared
LED
and
phototransistor of the
optical interface.
NOTE: When
reaseembUng
ihe
digital
A
1
PCB, make
sure
that
the
infrared
LED
and
phototran&stor
are exactly
aligned
with the
holes
in
the top cover.