IBM 4851 514 Service Guide - Page 69

Removing, replacing

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Updated October, 2008 Chapter 5. Removing and replacing FRUs Before you begin 54 Handling static-sensitive devices 54 Display tablet components 55 Display tablet - removing and replacing 55 Display tablet back cover 55 Display tablet cable - removing and replacing 56 Control card - removal and replacement 57 Control card EMC shield - removal and replacement 57 Control card button protector - removal and replacement 57 Backlight card - removal and replacement 58 Tablet touch card - removal and replacement 58 LCD assembly - removal and replacement 59 Front bezel assembly - removing and replacing 60 Rear tower components 61 Rear cover - removing and replacing 61 Rear metal panel cover - removing and replacing 62 Cable-tie bar - removing and replacing 63 Rear connector panel (tailgate) with fan - removing and replacing . . . . . 64 Removing the fan 65 System board - removing and replacing 66 Update system software 67 System-board jumper location and settings 67 System-board battery - removing and replacing 68 Memory modules - removing and replacing 68 Power supply - removing and replacing 68 Top cover - removing and replacing 70 Tower center cover - removing and replacing 71 Side covers - removing and replacing 72 Front tower components 73 HDD cover - removing and replacing 73 HDD cover clips - removing and replacing 74 Hinge assembly - removing and replacing 75 HDD and bracket - removing and replacing 76 HDD cables - removing and replacing 77 Base plate - removal and replacement 77 Mounting foot- removal and replacement 79 Integrated customer display - removing and replacing 79 Cash drawer FRUs - removing and replacing 79 Full-size cash drawer FRUs - removing and replacing 79 Removing and replacing a full-size drawer 79 Removing and replacing a full-size slide assembly 80 Common cash-drawer FRUs - removing and replacing 81 Removing and replacing the top cover 81 Removing and replacing the keylock assembly 82 Removing and replacing the latch and sensor assembly 83 Removing and replacing components of the latch and sensor assembly 83 Removing and replacing the keylock insert 84 Removing and replacing the blank lock insert 85 This chapter contains the FRU removal and replacement procedures and is organized by component location. © Copyright IBM Corp. 2005, 2008 53

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Chapter
5.
Removing
and
replacing
FRUs
Before
you
begin
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. 54
Handling
static-sensitive
devices
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. 54
Display
tablet
components
.
.
.
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. 55
Display
tablet
–
removing
and
replacing
.
.
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. 55
Display
tablet
back
cover
.
.
.
.
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.
. 55
Display
tablet
cable
–
removing
and
replacing
.
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.
. 56
Control
card
-
removal
and
replacement
.
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. 57
Control
card
EMC
shield
-
removal
and
replacement
.
.
.
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.
. 57
Control
card
button
protector
-
removal
and
replacement
.
.
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.
.
. 57
Backlight
card
-
removal
and
replacement
.
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.
. 58
Tablet
touch
card
-
removal
and
replacement
.
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.
. 58
LCD
assembly
-
removal
and
replacement
.
.
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.
. 59
Front
bezel
assembly
-
removing
and
replacing
.
.
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. 60
Rear
tower
components
.
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.
. 61
Rear
cover
–
removing
and
replacing
.
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.
. 61
Rear
metal
panel
cover
–
removing
and
replacing
.
.
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.
. 62
Cable-tie
bar
–
removing
and
replacing
.
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.
. 63
Rear
connector
panel
(tailgate)
with
fan
–
removing
and
replacing
.
.
.
.
. 64
Removing
the
fan
.
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.
. 65
System
board
–
removing
and
replacing
.
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.
. 66
Update
system
software
.
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.
. 67
System-board
jumper
location
and
settings
.
.
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.
. 67
System-board
battery
–
removing
and
replacing
.
.
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.
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.
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.
.
.
. 68
Memory
modules
–
removing
and
replacing
.
.
.
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.
. 68
Power
supply
–
removing
and
replacing
.
.
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.
. 68
Top
cover
–
removing
and
replacing
.
.
.
.
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.
. 70
Tower
center
cover
–
removing
and
replacing
.
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.
. 71
Side
covers
–
removing
and
replacing
.
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.
. 72
Front
tower
components
.
.
.
.
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.
. 73
HDD
cover
–
removing
and
replacing
.
.
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.
. 73
HDD
cover
clips
–
removing
and
replacing
.
.
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.
. 74
Hinge
assembly
–
removing
and
replacing
.
.
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.
. 75
HDD
and
bracket
–
removing
and
replacing
.
.
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.
. 76
HDD
cables
–
removing
and
replacing
.
.
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.
. 77
Base
plate
-
removal
and
replacement
.
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. 77
Mounting
foot-
removal
and
replacement
.
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.
. 79
Integrated
customer
display
–
removing
and
replacing
.
.
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.
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.
.
. 79
Cash
drawer
FRUs
–
removing
and
replacing
.
.
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.
. 79
Full-size
cash
drawer
FRUs
–
removing
and
replacing
.
.
.
.
.
.
.
.
. 79
Removing
and
replacing
a
full-size
drawer
.
.
.
.
.
.
.
.
.
.
.
.
. 79
Removing
and
replacing
a
full-size
slide
assembly
.
.
.
.
.
.
.
.
.
. 80
Common
cash-drawer
FRUs
–
removing
and
replacing
.
.
.
.
.
.
.
.
. 81
Removing
and
replacing
the
top
cover
.
.
.
.
.
.
.
.
.
.
.
.
.
. 81
Removing
and
replacing
the
keylock
assembly
.
.
.
.
.
.
.
.
.
.
. 82
Removing
and
replacing
the
latch
and
sensor
assembly
.
.
.
.
.
.
.
. 83
Removing
and
replacing
components
of
the
latch
and
sensor
assembly
83
Removing
and
replacing
the
keylock
insert
.
.
.
.
.
.
.
.
.
.
.
.
. 84
Removing
and
replacing
the
blank
lock
insert
.
.
.
.
.
.
.
.
.
.
.
. 85
This
chapter
contains
the
FRU
removal
and
replacement
procedures
and
is
organized
by
component
location.
Updated
October,
2008
©
Copyright
IBM
Corp.
2005,
2008
53