Dell P2421B, Simplified Service Manual

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4.2 Assembly SOP
Preparation before assemble
1. Clean the room for work
2. Identify the area for material
3. Prepare the implement, equipment, material as bellow:
1) Working table
2) Philips-head screwdriver
3) Hex-head screwdriver
4) Glove
5) Cleaning cloth
6) ESD protection
Item Picture Operation Tools Notes
1
1. Place Main SHD on the
worktable.
2. Assemble SPS BD into Main
SHD
3. Insert FFC LVDS into I/F BD
4. Insert SPS BD to I/F BD wire into
I/F BD.
5. Assemble I/F BD into Main SHD
6. Lock 6 PCBA screws
7. Lock 4 hexagonal screws.
1. Philips-
head
screwdri
ver
Torsion of
PCB screw:
6.5±1.0Kg
2. Hex-
head
screwdri
ver
Torsion of
hex screw:
5.0±0.6Kg