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4
DELL U2421E
Remove electrolyte capacitors (red mark) from
S20
printed circuit boards.
S20-1 Cut the glue between bulk cap. and PCB with a knife.
S20-2 Ensure cutting path within the glue, don't touch bulk
cap. or PCB.
S20-3 Cut into the bottom of bulk cap. and pullit up
carefully.
S20-4 Take out bulk cap. pin solder with soldering iron and
absorber.
S20-5 Lift the bulk cap. up and away from the PCB.
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