MSI CX70 Instructions d'installation
CX70/CR70 (MS-1755) Disassembly Guide
■1、BATTERY PACK
■2、BOTTOM DOOR ASSY
■ 3、HDD MODULE
■ 4、THERMAL-KIT、CPU、DRAM AND WIRELESS
■ 5、ODD MODULE
■6、SEPARATE UPPER CASE AND LOWER CASE
■7、LOWER CASE ASSY
■8、UPPER CASE ASSY
■ 9、LCD MODULE ASSY
CX70/CR70 (MS-1755) Disassembly 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-2262210-M47 1
CX70/CR70 (MS-1755) Disassembly Guide
2、BOTTOM DOOR ASSY
2.1 ：Remove the 5 screws (M2.5*5.5mm). Then
remove the Bottom door.
Attention: the screw driver touque is: 2.0-2.5 gf-cm
Component P/N Qty
Bottom door E2P-751J211-P89 1
Screw E43-1255501-H29 6
CX70/CR70 (MS-1755) Disassembly Guide
3、HDD MODULE
3.1: Remove the 2 screws (M2.5*5.5mm); then
remove the HDD Module according to the direction
as pic shows.
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255501-H29 2
3.2: Remove the 2 screws (M3*4mm) that stabilize
the HDD bracket, then remove the HDD bracket.
Attention: the screw driver torque is 3.0-3.5Kgf-cm
Component P/N Qty
Screw E43-1304009-G68 2
HDD Bracket E2M-6G10811-A89 1
HDD Module S71-2450537-T14 1
CX70/CR70 (MS-1755) Disassembly Guide
4、THERMAL-KIT、CPU 、DRAM AND WIRELESS
4.1: Remove the 2 screw(M2.5*5.5mm) and FAN
cable, after that remove the Fan.
Attention：the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255501-H29 1
FAN E31-0802202-F05 1
4.2: Remove the 6 screws (M2.5*4.5mm), after
that remove the Heatsink.
Attention：the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1254503-G68 6
Heatsink E31-0802202-F05 1
4.3：Open the CPUSlot with Screw Driver, then
remove CPU Module as below.
Component P/N Qty
CPU OA3-16F3006 1
1
2
4
3
6
5
CX70/CR70 (MS-1755) Disassembly Guide
4、THERMAL-KIT、CPU 、DRAM AND WIRELESS
4.4：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-S469101-AJ9 1
4.5：Remove 1 screw (M2*3.5mm); then remove
the two side wireless card antenna as pic shows.
Attention: the screw driver torque is: 1.5-2.0Kgf-cm
Component P/N Qty
WLAN Module S57-08000D0-T4 1
Screw E43-1203501-G68 1
CX70/CR70 (MS-1755) Disassembly Guide
5、ODD MODULE
5.1：Remove the ODD Module according to the
direction as pic shows.
5.2：Remove ODD Bezel as below.
Component P/N Qty
ODD Bezel 307-751F212-P89 1
5.3：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-6G10711-A89 1
ODD Module S7D-2270071-P64 1
CX70/CR70 (MS-1755) Disassembly Guide
6、SEPARATE UPPER CASE AND LOWER CASE
6.1：Remove the Keyboard. Firstly release the
hook of the upside, then remove the upside, after
that release the hook of the two sides, then remove
the two sides, last remove down side.
，
6.2 ：Firstly push connector according to the
direction as pic shows; then remove the cable.
Component P/N Qty
Keyboard S1N-3EUS231-SA0 1
6.3：Firstly open the connector according to the
direction as pic shows; then remove the Power
board and Touchpad cable.
Power board
Touchpad
Touchpad Button
CX70/CR70 (MS-1755) Disassembly Guide
6、SEPARATE UPPER CASE AND LOWER CASE
6.4：Remove 5 screws (M2*3.5mm).
Attention: the screw driver torque is 1.5-2.0Kgf-cm
Component P/N Qty
Screw E43-1203501-G68 5
6.5：Remove 10 screws (M2.5*5.5mm).
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255501-H29 11
6.6：Remove the 11 screws (M2.5*5.5mm).
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255501-H29 12
CX70/CR70 (MS-1755) Disassembly Guide
6、SEPARATE UPPER CASE AND LOWER CASE
6.7：Remove the speaker and MIC cable.
6.8：Remove the LVDS and power cable as pic
shows.
6.9：Remove the 2 screws (M2.5*5.5mm). then
remove the upper case.
Attention: the screw driver torque is 2.0-2.5Kgf-cm
Component P/N Qty
Screw E43-1255501-H29 2
MIC
Speaker
Speaker
Power
LVDS
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