Dell UP3221Qb Manuel d'entretien simplifié - Page 12
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9
1. Unlock 1 grounding
screw
2. Disassemble "AC
Wire" from "ASSY
BKT PLATE"
3. Unlock PCBA screw*5
to disassemble SPS
BD from "ASSY BKT
PLATE"
1. Unplug "MCU BD
FFC" from I/F BD
2. Tear off a tape from
EDP wire and TBT BD
3. Unplug "TBT BD FFC"
and "EDP wire" from
"TBT BD"
- 12 -
Screw-
driver
Torsion of
PCBA
screw: 5.0-
5.5 kg
Screw-
driver
Torsion of
PCBA
screw: 5.0-
5.5 kg