MSI CX70 Installation instructions

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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