Dell S2721HGF Simplified Service Manual page 8

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Take 1pcs power key board and 1pcs middle bezel,
then locate the power key board to the specific
position of the middle bezel. Put the unit into a fixture,
and then use
a Philips-head screwdriver to tighten
S7
1pcs screw for locking the power key board with the
middle bezel. Cover the power key board with 1pcs
black adhesive tape.
(No.1 Screw size= M2x2.4, Torque=0.8±0.2kgfxcm)
Assemble the middle bezel unit with the front bezel
S8
and panel module.
Fix the power key cable by tear off 2pcs tape papers
on the back of the cable.
screwdriver to tighten 13pcs screws for locking the
S9
middle bezel with the panel module.
(No.1~13 Screw size= M3x5, Torque=3~4kgfxcm)
4. Disassembly and Assembly Procedures
1
Use a Philips-head
Use a Philips-head screwdriver to tighten 6pcs
S10
screws for locking the middle bezel with front bezel.
(No.1~6 Screw size= M2x3.8, Torque=3±0.5kgfxcm)
Put the bracket on the back of the panel module.
S11
Connect the LVDS cable and short panel lamp cable
to the two connectors of the panel model.
Adjust the bracket chassis module, and then u
Philips-head screwdriver to tighten 4pcs screws for
S12
locking the bracket chassis module with the panel
(
No.1~4 Screw size= M3x0.5x2.8, Torque=5~6kgfxcm)
2
1
Take the long panel lamp cable to connect with the
connector of the panel module, then tear off the
adhesive tape paper on the back of the cable and fix
S13
the lamp cable with 3pcs adhesive tapes. Cover the
long lamp connector with 1pcs black PVC tape, then
connect the power key cable with the board.
se a
.
3
4

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