Dell P3421WB, Simplified Service Manual

Page: 15 / 26

- 15 -
5.2. Assembly SOP
Preparation before assemble
1. Clean the room for work
2. Identify the area for material
3. Prepare the implement, equipment, materials as bellow
：
1) Working table
2) Philips-head screwdriver
3) Hex-head screwdriver
4) Gloves
5) Cleaning cloth
6) ESD protection
7) U3415 Curve Sponge Jig
Item Picture Operation Tools Notes
1
1. Insert EDP cable to I/F BD
and stick a tape to fix EDP
cable on I/F BD
2. Place I/F BD into Main SHD
3. Connect SPS BD to I/F BD
wire to I/F BD and SPS BD,
then, place SPS BD into
Main SHD
4. Connect SPS BD to LED
Driver BD wire to SPS BD
and LED Driver BD, then,
place LED Driver BD into
Main SHD
Do not
touch the
component
without
wearing
insulating
gloves
when
disassembli
ng and
assembling
SPS BD
2
1.
Lock 10 PCBA screws
Philips-
head
screwdrive
r
Torsion of
PCB
screw:
9±1Kg