Dell UltraSharp U2421HE Service-Handbuch - Seite 6
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Turn over the bracket chassis module. Remove the
Mylar from the hooks of the bracket, and then use a
S14
Philips-head screwdriver to remove
unlocking AC power outlet.
(No.1~2 screw size=M3x10, Torque=6
Use a Philips-head screwdriver to remove
for unlocking power board and interface board.
S15
(No.1 screw size=M4x8, Torque=6
No.2~7 screw size=M3x7.5, Torque=6
5
Remove the circuit boards from the
S16
carefully, and then
4. Disassembly and Assembly Procedures
two
screws for
kgfxcm)
±0.5
2
1
7pcs
kgfxcm;
±0.5
kgfxcm)
±0.5
4
2
7
6
1
4
bracket
disconnect all of the cables.
screws