Lenovo C22-20 Instructions for use

C22-20 C22-25 D22-20 Simplified service manual for
dismantling
Model Name: Lenovo C22-20 C22-25 D22-20

Exploded Diagram

1. Precaution
Please read the precaution as follows to prevent any damages to the LCD Monitor.
Make sure all power connector is removed. Be sure that the LCD Monitor is in power off status.
Prepare soft cloth and
sponge as working
platform
to place LCD monitor
horizontally.
Hold LCD by the side
carefully and DON’T touch
or
press panel directly.

2. Appropriate tools
Select the Appropriate tools for disassembly and re-assembly.
Phillips screwdriver (#2)
spacer screwdriver
C/D disassembly tool
Gloves or soft cloth

3. Disassembly SOP
Put the monitor on a flat surface
(Put the EPE on under the
monitor)
Remove the screw * 2pcs
Tool : Screwdriver #2
Pull out stand
Use the C/D disassembly tool to
release Rear cover hook from
disassemble hole on bottom

Remove All tape and foil
Remove All screw.
Tool : Screwdriver #2
Release the middle frame from the
Panel
Release the keypad pcb fromthe
the middle frame
Unplug light bar line and LVDS
line

Take out the mylar sheet from
Main chassis
Remove All screw.
Tool : Screwdriver #2
Tool : spacer screwdriver
Take out PCB and Peel off all
mylar.
Take out the Thermal pads from
Power pcb