BenQ BL2420PT User manual

Recycle Disassemble Instruction
(Dismantled Information)
Requirements according to ANNEX VII of DIRECTIVE 2012/19/EU
on waste electrical and electronic equipment (WEEE)
Materials and components with hazardous content
LCDs may contain hazardous substances like Pb and BFRs which are covered by
exemptions under the RoHS directive. However, the majority is present in the printed
circuit boards assembly. In order to reduce emissions as much as possible, a complete
disposal of the old appliance is required. This treatment may only be performed in
authorized handling plants.
Product Name: LCD Monitor
Model No.: BL2420PT

Disassembly Tools
Tool picture
Philips Screwdriver for M3 Screw
Nosed Pliers
Diagonal Cutting Pliers
Slotted screwdriver
Six Point Sockets
Philips Screwdriver for M2.5 Screw
Knife

Disassembly process
1) Remove the base
Place the monitor face down on a smooth surface. Be careful to avoid scratch and injury during the process of uninstall.
Remove the screw and then rotate the base as below picture to remove the base.
2) Remove the stand.
Holding the stand and press the button, and so you can remove the stand.
Open

3) Remove the rear cover
Unscrew the screws from the rear cover.
Pull apart bezel & rear cover.
Note: Be careful, the BEZEL CLIP is easy to break.
Note: The positions of the clips on the rear cover are as follow. There are some small gaps between CLIPS. It’s
suggested to separate bezel and rear cover from the gaps.

4) Remove the main frame from the panel.
Remove the aluminum foil; pull out the wire marked in red circles to remove the mainframe.
Note: When you assembled the LCD, you must tidy the wire as follow picture.
Example: You can separate the
bezel and rear cover from

Turn over the mainframe to remove the tapes and LVDS cable.
5) Remove the AC cover from the mainframe.
6) Remove the Mylar from power board.
Remove the Mylar from power board.

7) Remove the boards from the main frame
And then remove screws in red, pull out the wire to remove the main board and power board.
Turn over the power board and main board; remove the speaker cable, and other cables.
The power board
The main board

8) Remove the speaker
Pull at the foot of the speaker strongly as follow picture.
9) Remove the panel
Note
：
Be course the panel is easy to broken, when we remove the panel, we should hold the iron on the panel
edge use two hands at the same time, and should avoid touching the panel surface.

10) The bezel unit.
Disassembly Time
Total time: 30 minutes