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3.
Lower cabinet, built-in battery
replacement
a. Remove the keyboard, upper cabinet, and LCD unit from the
lower cabinet, following the procedure 1-a.
b. Remove the built-in battery, HDD unit assembly, and glide point
PWB, following the flow chart.
[Note]
When replacement of
built-in battery is required,
1
follow the steps
to
of the flow chart.
8
19
12
14
20
20
21
3
16
[Cautions for reassembling]
1. Attach the glide point-covering sheet to the glide point PWB
using the following references:
Glide point-covering sheet
Glide point PWB
2. Connect shut switch cable
PWB before installing HDD unit assembly
K
connector in the direction shown below.
3. Connect the shut switch cable
J
installing the HDD unit
.
5
9
7
17
18
20
20
12
15
13
1
Reference
Reference
K
to connector CN23 of the main
J
. Insert shut switch cable
K
to the main PWB CN23 before
1
12
2
13
3
14
4
15
5
16
6
6
17
7
18
8
19
9
9
4. Connect the HDD FPC
2
Empty pin
(4 pcs)
4
5. The shut switch cable
shown below.
O
,
Use caution
not to let the
cable run
under the
chassis hole.
Chassis
switch
cable
Pass under the HDD chassis.
6. Connect glide point FFC (large) to glide point pad assembly
Install glide point pad assembly
7. Install power supply switch button
Make sure the button is inserted in parallel to the cabinet.
(Otherwise, the rib might be broken leading to poor sliding
of the button.)
Dell Latitude LT Systems Parts Removal and Replacement Guide
Parts List
No.
Part Name
1
IR filter
2
D-sub connector cover
3
Power supply switch button
4
IO connector cover
5
Screw (M2
8)
Heat dissipation plate
6
assembly
7
Glide point pad assembly
20
8
Glide point button
9
Built-in battery assembly
21
12
Screw (M2
4)
13
HDD FPC
14
HDD unit assembly
15
Shut switch cable
16
Mike cable
17
Glide point FPC (fine)
18
Glide point FPC (thick)
19
Glide point PWB
20
Screw
21
HDD unit
I
to the rightmost pin of the HDD.
HDD PWB
Rightmost
surface
pin
HDD FPC
K
L
and mike cable
should be wired as
Pass between
U21 and CN9.
Mike
U21
CN9
(LCB CONNECTOR)
Mike cable
Fix with
tape
U25
M/B surface
X4
U33
CN11
Fix with tape
U28
Insert into CN11
and pass rightward
Pass through the left side of U28.
7
to HDD chassis.
3
as shown below.
As shown in the figure on
the left, the [:::] section of
Right
3
the power switch button
cover should be located
at the right side.
Left
Q'ty
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
4
1
Pass
between
X4 and
U25.
7
.
3
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