MCi CX420 User manual

CX420 (MS-1453) Disassemble Guide
■ 1、BATTERY PACK
■ 2、BOTTOM DOOR ASSY
■3、HDD MODULE
■4、ODD MODULE
■5、THERMAL-KIT、CPU、DRAM
■ 6、KEYBOARD
■ 7、SEPARATE UPPER CASE AND LOWER CASE
■ 8、LOWER CASE ASSY
■9、UPPER CASE ASSY
■10、LCD MODULE ASSY

CX420（MS-1453）Disassemble Guide
1、BATTERY PACK
1.1：Move the “Unlock’ button base on left picture
shows;
1.2：Release the “Release” button and move the
battery pack base on left picture.
Component P/N Qty
Battery Pack S9N-0362240-SB3 1

CX420（MS-1453）Disassemble Guide
2、BOTTOM DOOR ASSY
2.1：Remove the 3 screws (M2.5*5mm), then
remove the Bottom door.
Attention: the screw driver torque is: 2.0-2.5Kgf-cm
Component P/N Qty
Bottom door 307-452J213-F62 1
Screw E43-1255001-G68 3

CX420（MS-1453）Disassemble Guide
3、HDD MODULE
3.1：Remove the 2 screws(M2*3mm); then remove
the HDD DOOR.
Attention: the screw driver torque: 1.2-1.5Kgf-cm
Component P/N Qty
HDD DOOR 307-452K214-F62 1
Screw E43-1203013-G68 2
3.2：Remove the HDD Module according to the
direction as pic shows.

CX420（MS-1453）Disassemble Guide
3、HDD MODULE
3.3：Remove the 4 screws (M3*4mm) that stabilize
the bracket.
Attention: the screw driver torque is 3.0-3.5Kgf-cm
Component P/N Qty
Screw E43-1304009-G68 4
3.4：Remove the HDD bracket.
Component P/N Qty
HDD Bracket 307-4520111-H76 1
HDD Module S71-2450504-T14 1

CX420（MS-1453）Disassemble Guide
4、ODD MODULE
4.1：Remove the ODD Module according to the
direction as pic shows.
4.2：Remove ODD Bezel as below.
Component P/N Qty
ODD Bezel 307-452F213-F62 1
4.3：Remove 2pcs (M2*3mm) Screws, Then remove
ODD Bracket as below.
Attention: the screw driver torque is 1.5-2.0Kgf-cm
Component P/N Qty
Screw E43-1203013-G68 2
ODD Bracket E2M-6510211-Y28 1
ODD Module S7D-2270013-SI4 1

CX420（MS-1453）Disassemble Guide
5、THERMAL-KIT、CPU、DRAM
5.1:Remove the 4 screws(M2.5*5mm) and FAN
cable, after that remove the Fansink.
Attention：the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 4
Fansink E32-0800482-S69 1
5.2：Open the CPU Slot with Screw Driver, then
remove CPU Module as below.
Component P/N Qty
CPU A13-2120106-I06 1
5.3：Push the two side shielding of RAM as pic
Shows; Then remove the RAM module according
the direction as pic shows.
Component P/N Qty
RAM Module S7C-S458804-S02 1
4
1
2
3

CX420（MS-1453）Disassemble Guide
6、KEYBOARD
6.1：Before remove K/B, firstly remove the
Middle Cover. Notice the rib on the cover.
Component P/N Qty
Hinge Cover 307-454E212-SE0 1
6.2：Remove the Keyboard.
6.3 ：Firstly push connector according to the
direction as pic shows; then remove the cable.
Component P/N Qty
Keyboard S1N-2UUS211-SA0 1

CX420（MS-1453）Disassemble Guide
7、SEPARATE UPPER CASE AND LOWER CASE
7.1：Remove the 1 screw (M2.5*5mm) that stabilize
the hinge Cap, then remove Hinge cap.
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 1
7.2 ：Remove the 4 screws (M2.5*7mm) that
stabilize the LCD hinge.
Attention: the screw driver torque is 3.2-3.5Kgf-cm
Component P/N Qty
Screw E43-1257002-G68 4

CX420（MS-1453）Disassemble Guide
7、SEPARATE UPPER CASE AND LOWER CASE
7.3：Remove the LVDS cable as pic shows:
7.4：Remove the CMOS Camera cable.
7.5：Remove the Bluetooth, MIC, Speaker cable.
Camera
MIC
Speaker
BT

CX420（MS-1453）Disassemble Guide
7、SEPARATE UPPER CASE AND LOWER CASE
7.6：Remove 4 screws(M2.5*5mm)
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 4
7.7：Remove 6 screws(M2.5*5mm)
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 6
7.8：Remove the 3 screws (M2*3mm)
Attention: the screw driver torque is 1.5-2.0Kgf-cm
Component P/N Qty
Screw E43-1203013-G68 3

CX420（MS-1453）Disassemble Guide
8、LOWER CASE ASSY
8.1：Remove the 2 screws (M2.5*5mm)
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 2
8.2：Remove the main board from Lower case.
Component P/N Qty
Main Board 607-14531-03S 1
8.3：Remove the 4 screws (M2*3mm), then remove
the Speaker module from lower case.
Attention: the screw driver torque is 1.5-2.0Kgf-cm
Component P/N Qty
Screw E43-1203013-G68 4
Speaker Module S33-A020221-F33 1
Lower Case 307-452D225-F62 1

CX420（MS-1453）Disassemble Guide
9、UPPER CASE ASSY
9.1：Remove the 2 magnet as left pic shows:
Component P/N Qty
Magnet E2M-4521011-SF7 2
9.2：Release the connector that stabilize the T/P
cable, then remove the T/P module FFC according
to direction of left pic shows;
Component P/N Qty
FFC Cable (To MB) K1C-1012042-J36 1
9.3：Remove the T/P module,
Component P/N Qty
Touchpad Module S78-3700360-SD2 1
Upper Case 307-454C412-SE0 1

CX420（MS-1453）Disassemble Guide
10、LCD MODULE ASSY
10.1：Remove the 8 cover rubber.
Component P/N Qty
Rubber E2Y-6740611-Y40 8
10.2：Remove the 4screws (M2.5*5mm). When
removing the LCD bezel, should begin from the
two sides, then the upside to downside.
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 4
LCD Bezel 307-453B211-U22 1

CX420（MS-1453）Disassemble Guide
10、LCD MODULE ASSY
10.3：Remove the 3 screws (M2.5*5mm); Remove
the Left LCD hinge.
Attention: the screw driver torque is 2.8-3.2Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 3
Hinge L E2M-4520311-G60 1
10.4：Remove the 3 screws (M2.5*5mm); Remove
the Right LCD hinge.
Attention: the screw driver torque is 2.8-3.2Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 3
Hinge R E2M-4520211-G60 1

CX420（MS-1453）Disassemble Guide
10、LCD MODULE ASSY
10.5：Remove the 6 screws (M2.5*5mm)
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255001-G68 6
10.6：Remove the display module from LCD cover.
10.7：Remove the LVDS cable from display module.
Component P/N Qty
LVDS Cable K19-3017001-H39 1

CX420（MS-1453）Disassemble Guide
10、LCD MODULE ASSY
10.8：Remove the 6 screws (M2*3mm)
Attention: the screw driver torque is 1.5-2.0Kgf-cm
Component P/N Qty
Display Module S1J-442G002-A90 1
LCD BRACKET-L E2M-4520511-H76 1
LCD BRACKET-R E2M-4520411-H76 1
Screw E43-1203013-G68 6
10.9：Remove the 3 magnet on LCD cover;
Component P/N Qty
LCD Cover Magnet E2M-4521111-SF7 2
LCD Cover Magnet E2M-4521211-SF7 1
10.10：Remove the coaxial cable; then remove the
CMOS camera module according to the sequence
as pic shows.
Component P/N Qty
Coaxial Cable K10-3006074-H39 1
Camera Module S1F-0001580-B36 1

CX420（MS-1453）Disassemble Guide
10、LCD MODULE ASSY
10.11：Remove the MIC Module as left picture
show.
Component P/N Qty
MIC Module S34-2100920-K03 1
10.12：Remove the WIRELESS board from LCD
Cover.
Component P/N Qty
Wireless board 605-3870-010 1
Wireless cable K10-3010051-V03 1
LCD Cover 307-452A515-P89 1

CX420（MS-1453）Screws specification
Photo Screw specification Label
(M2.5*L5MM) black
(M2.5*L7MM) black
(M2*L3MM) black

CX420（MS-1453）screws specification
■ 1、BOTTOM DOOR ASSY total 15pcs screws
specification：
Photo Screw specification label
(M2*L3MM) black
(M2.5*L5mm) black