Dell S2421H Simplified Service Manual page 8

Paste 1pcs tape to cover the LVDS connector. Take
S8
1pcs front bezel, then lift up the panel with bracket
and assemble the front bezel with the panel module.
Take a function key board and a middle bezel, then
fix the middle bezel with a fixture, and locate the
function keyboard into the hooks of the bezel Use a
S9
Philips-head screwdriver to tighten 3pcs screws for
locking the function key board with the middle bezel.
(No.1~3 screw size=M2x2.4, Torque=0.8±0.2kgfxcm
3
Move the middle bezel with function key board close
to the panel unit, tear off the papers of the tapes on
S10 the back of the key cable, and then fix the key cable
on the bezel by 3pcs tapes, then assemble the
middle bezel with the front bezel and panel module.
4. Disassembly and Assembly Procedures
.
2
1
Use a Philips-head screwdriver to tighten 2pcs
screws for locking the bracket with middle bezel, to
S11
tighten 2pcs screws for locking the bracket with panel.
(No.1~2 screw size=M3x4, Torque=3~4kgfxcm;
No.3~4 screw size=M3x3.5, Torque=2~3kgfxcm )
4
2
Connect the function key cable to the connector of
S12
board, then paste 1pcs aluminum foil to cover the
LVDS connector and key cable.
Use a Philips-head screwdriver to lock 11pcs screws
for locking the middle bezel with the panel module,
S13
then lock 5pcs screws for locking the middle bezel
with front bezel.
(No.1~11 screw size=M3x4, Torque=3~4kgfxcm;
No.12~16 screw size=M2x3.3, Torque=1±0.2kgfxcm)
4
2
8
6
10
14
15
Connect the panel lamp cable to the connector of
S14
panel module.
3
1
1 3
5
9
7
11
12
16
13