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Dell S2721DGFA Service Manual page 8

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Take 1pcs front bezel, lift up the panel module and
S7
then assemble the front bezel with the panel module
unit.
Take 1pcs power key board, 1pcs key cable and
1pcs middle bezel, connect the key cable to the
connector of the power key board, and then locate
the power key board to the specific position of the
S8
middle bezel. Put the unit into a fixture, use
head screwdriver to tighten 1pcs screw for locking
the power key board with the middle bezel.
(No.1 Screw size= M2x2.4, Torque=0.8±0.2kgfxcm)
Assemble the middle bezel unit with the front bezel
and panel module. Use
S9
tighten 2pcs screws for locking the middle bezel with
front bezel.
(No.1~2 Screw size= M2x2.7,Torque=1~2kgfxcm)
4. Disassembly and Assembly Procedures
a Philips-
1
a Philips-head screwdriver to
1
Fix the power key cable by tear off 2pcs tape papers
on the back of the cable. Paste 1pcs mylar tape on
the specific position of the panel as the picture below
S10
shown.
Use a Philips-head screwdriver to tighten
13pcs screws for locking the middle bezel with the
panel module.
(No.1~13 Screw size= M3x5, Torque=3~4kgfxcm)
Take 1pcs panel lamp cable to connect the power
board and panel module, then locate the lamp cable
S11
into the hooks of the middle bezel, then fix the lamp
cable with 3pcs adhesive tapes as the following
picture shown.
Take 1pcs LGP, 1pcs reflector and 1pcs rear cover,
put the rear cover on a cushion foam, assemble the
S12
LGP with the rear cover first, then assemble the
reflector with the LGP as the picture below shown.
LGP
2

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