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DELL P2421B

 

1. Disassembly Procedures

 

 

S1

 

Turn off the monitor.

 

S2

 

Place the monitor on a soft cloth or 
cushion.

 

 

Press and hold the stand release 
button.

 

 

Lift the stand up and away from the 
monitor.

 

 

S3

 

Unlock 4 screws on Rear Cover

 

 

 

 

(Screw Torque: 8.5±1.0kgf)

 

 

S4

 

Disassemble Rear Cover from the 
monitor 

 

 

Notice the disassembly order:

 

1) Disassemble the Top part

 

2) Disassemble the Left / Right part

 

3) Disassemble the Bottom part

 

4) Remove RC from Mid

-

Frame

 

 

 

S5

 

Tear off the small aluminum foil from 
Main SHD

 

 

 

 

S6

 

Tear off the acetate adhesive tape from 
Panel 

 

 

Pull out CTRL BD FFC cable from I/F 
BD and tear off it from Main SHD

 

 

 

 

 

S7

 

Pull out USB BD cable from I/F BD and 
USB BD

 

 

 

S8

 

Unlock 5 BZL TRIM screws

 

 

 

 

(Screw Torque: 2.0±0.5kgf)

 

1

 

3

 

2

 

2

 

Содержание P2421B

Страница 1: ...assemble Rear Cover from the monitor Notice the disassembly order 1 Disassemble the Top part 2 Disassemble the Left Right part 3 Disassemble the Bottom part 4 Remove RC from Mid Frame S5 Tear off the small aluminum foil from Main SHD S6 Tear off the acetate adhesive tape from Panel Pull out CTRL BD FFC cable from I F BD and tear off it from Main SHD S7 Pull out USB BD cable from I F BD and USB BD ...

Страница 2: ...0 5kgf S12 Disassemble CTRL BD OSD Button and PWR Button S13 Tear off 2 large acetate adhesive tapes from the Panel S14 Unlock 9 MF screws Screw Torque 4 0 0 5kgf S15 Pull out LED Backlight wire from SPS BD and Panel S16 Tear off aluminum foil and tape from LVDS cable Pull out the LVDS cable from Panel S17 Disassemble Mid Frame from Panel ...

Страница 3: ...f S19 Remove Safety Mylar from SPS BD S20 Unlock 6 PCBA screws from PCBA Screw Torque 6 5 1 0kgf S21 Unlock 4 hexagonal screws from Main SHD Screw Torque 5 0 0 6kgf S22 Disassemble I F BD from Main SHD and unplug SPS BD wire S23 Unplug FFC LVDS cable from I F BD S24 Disassemble SPS BD from Main SHD ...

Страница 4: ...L P2421B S13 Remove electrolyte capacitors red mark from printed circuit boards S13 1 Cut the glue between bulk cap and PCB with a knife S13 2 Ensure cutting path within the glue don t touch bulk cap or PCB ...

Страница 5: ...5 DELL P2421B S13 3 Take out bulk cap pin solder with soldering iron and absorber S13 4 Lift the bulk cap up and away from the PCB ...

Страница 6: ...No used Component and waste contain asbestos No used CRT No used Component contain CFC HCFC HFC and HC No used Gas discharge lamps No used LCD display 100 cm2 Product has an LCD greater than 100 cm2 External electric cable Product has external cables Component contain refractory ceramic fibers No used Component contain radio active substances No used Electrolyte capacitors height 25mm diameter 25m...

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