IBM 4840 Service Guide - Page 102

connector, panel, tailgate, removing, replacing

Page 102 highlights

Rear connector panel (tailgate) August 3, 2006 Rear connector panel (tailgate) - removing and replacing 1. Switch OFF the power to the SurePOS 500 Models 5x3 and 544/564. Unplug the power cord from the external power source. 2. Remove the rear cover as described at "Covers - removing and replacing" on page 36 and unplug the power cord from the system unit at the power supply. 3. Disconnect all cables from the tailgate connector. A Figure 53. Tailgate remove and replace 4. Remove the rear inner metal cover. See "Rear inner metal cover - removing and replacing" on page 78. 5. Remove the power supply. See "Power supply - removing and replacing" on page 57. 6. Loosen the two thumbscrews A and slide the two tabs toward the center. 7. Pull the connector panel out and disconnect the power cable from the tailgate. Reverse the steps to reassemble. Make sure the two connectors on the back of the tailgate line up with the connectors on the system board. 76

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Rear
connector
panel
(tailgate)
removing
and
replacing
1.
Switch
OFF
the
power
to
the
SurePOS
500
Models
5x3
and
544/564.
Unplug
the
power
cord
from
the
external
power
source.
2.
Remove
the
rear
cover
as
described
at
“Covers
removing
and
replacing”
on
page
36
and
unplug
the
power
cord
from
the
system
unit
at
the
power
supply.
3.
Disconnect
all
cables
from
the
tailgate
connector.
4.
Remove
the
rear
inner
metal
cover.
See
“Rear
inner
metal
cover
removing
and
replacing”
on
page
78.
5.
Remove
the
power
supply.
See
“Power
supply
removing
and
replacing”
on
page
57.
6.
Loosen
the
two
thumbscrews
±A²
and
slide
the
two
tabs
toward
the
center.
7.
Pull
the
connector
panel
out
and
disconnect
the
power
cable
from
the
tailgate.
Reverse
the
steps
to
reassemble.
Make
sure
the
two
connectors
on
the
back
of
the
tailgate
line
up
with
the
connectors
on
the
system
board.
A
Figure
53.
Tailgate
remove
and
replace
Rear
connector
panel
(tailgate)
August
3,
2006
76