IBM 4851 514 Service Guide - Page 74

Backlight, removal, replacement, Tablet, touch

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Removing and replacing FRUs Updated October, 2008 Backlight card - removal and replacement 1. Remove the tablet as described in "Display tablet - removing and replacing" on page 55. 2. Remove the tablet rear as described in "Display tablet back cover" on page 55. Figure 43. Location of EMC shields and common screw 3. Remove the backlight EMC shield ( B in Figure 43) by removing the common screw ( A ) securing both the backlight and touch card EMC shield. 4. Slide the shield forward and lift to remove. 5. Disconnect the cables from the backlight card. 6. Remove the two screws holding the card and lift to remove. 7. To replace, reverse these procedures. Tablet touch card - removal and replacement 1. Remove the tablet as described in "Display tablet - removing and replacing" on page 55. 2. Remove the tablet rear as described in "Display tablet back cover" on page 55. 3. Remove the common screw (see A in Figure 43) securing both the backlight EMC shield and the tablet touch EMC shield. 58 SurePOS 500 Model 514

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Backlight
card
-
removal
and
replacement
1.
Remove
the
tablet
as
described
in
“Display
tablet
–
removing
and
replacing”
on
page
55.
2.
Remove
the
tablet
rear
as
described
in
“Display
tablet
back
cover”
on
page
55.
3.
Remove
the
backlight
EMC
shield
(
±B²
in
Figure
43)
by
removing
the
common
screw
(
±A²
)
securing
both
the
backlight
and
touch
card
EMC
shield.
4.
Slide
the
shield
forward
and
lift
to
remove.
5.
Disconnect
the
cables
from
the
backlight
card.
6.
Remove
the
two
screws
holding
the
card
and
lift
to
remove.
7.
To
replace,
reverse
these
procedures.
Tablet
touch
card
-
removal
and
replacement
1.
Remove
the
tablet
as
described
in
“Display
tablet
–
removing
and
replacing”
on
page
55.
2.
Remove
the
tablet
rear
as
described
in
“Display
tablet
back
cover”
on
page
55.
3.
Remove
the
common
screw
(see
±A²
in
Figure
43)
securing
both
the
backlight
EMC
shield
and
the
tablet
touch
EMC
shield.
Figure
43.
Location
of
EMC
shields
and
common
screw
Removing
and
replacing
FRUs
Updated
October,
2008
58
SurePOS
500
Model
514