Dell UP3221Qb Manuel d'entretien simplifié - Page 9

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1. Tear off an acetate

tape from Main SHD

(See Green mark)

2. Tear off 3 conductive

tapes from Main SHD

to disassemble "SPS

BD wire" from Middle

Frame (See Orange

mark)

3. Unplug "SPS BD wire"

from SPS BD, I/F BD,

MCU BD and TBT BD

(See Red Mark)

4. Unlock screw*10 to

disassemble Main

SHD from Panel (See

Blue mark)

5. Unplug FAN wire from

I/F BD

6. Take off Main SHD

from Panel

- 9 -

Screw-

driver

Torsion

MF screw:

4.0-4.5 kg