Nokia RM307, 2505 Disassembly

4 (1)

Nokia Customer Care

2505 (RM-307)

Mobile Terminal

Disassembly/Assembly

Issue 1 04/2007

Company Confidential

© 2007 Nokia Corporation

2505 (RM-307)

 

Disassembly/Assembly

 

Contents

Page

Safety Information ....................................................................................................

3

ESD Protection..................................................................................................

3

Disassembly Instructions..........................................................................................

4

1.

Remove Battery Cover (B-cover) ..................................................................

4

2.

Remove D-Cover...........................................................................................

5

3.

Remove Engine Module ................................................................................

7

4.

Remove Keymat and C-Cover.......................................................................

8

5.

Remove Earphone Jack ................................................................................

9

6.

Remove Vibrator ...........................................................................................

9

7. Remove DC Jack ........................................................................................

10

8.

Remove A-Cover/B-Cover Assy from C-Cover ............................................

10

9.

Separate A-Cover from B-Cover..................................................................

12

10. Remove Button Stopper ............................................................................

14

11. Remove LCD Module Assy........................................................................

14

12. Remove Speaker.......................................................................................

15

Assembly Instructions ............................................................................................

16

Page 2

© 2007 Nokia Corporation

Company Confidential

Issue 1 04/2007

 

 

 

 

 

2505 (RM-307)

 

 

 

 

 

Nokia Customer Care

Disassembly/Assembly

 

 

 

 

 

 

Safety Information

Adhere to the following guidelines when assembling and disassembling the mobile terminals.

zQUALIFIED SERVICE

Only qualified personnel may install or repair mobile terminal equipment.

zACCESSORIES AND BATTERIES

Use only approved accessories and batteries. Do not connect incompatible products.

zCONNECTING TO OTHER DEVICES

When connecting to any other device, read its user’s guide for detailed safety instructions. Do not connect incompatible products

ESD Protection

Always follow ESD protection guidelines when disassembling and assembling the mobile terminal. To avoid potential ESD damage, the recommendation is to treat all assemblies and components as if they are sensitive to ESD.

(1)All Surface Mounted components must be handled as electrostatic sensitive components.

(2)Prevent static discharge failures to all semiconductors and modules containing ESD sensitive components by using appropriate ESD protective equipment.

(3)Do not touch the component with bare hands, and always wear a grounded wrist strap or footwear.

(4)A mobile terminal that is ready for use can be handled normally without ESD protection. The battery can be replaced in normal conditions of use.

(5)All ESD-sensitive parts must be packed in metallized protective bags during shipping and handling outside any ESD Protected Area (EPA).

Be especially careful to avoid contaminating the mobile terminal with any dust during assembly.

Issue 1 04/2007

© 2007 Nokia Corporation

Company Confidential

Page 3

Nokia RM307, 2505 Disassembly

2505 (RM-307) Disassembly/Assembly

Disassembly Instructions

Use the following steps to disassemble the mobile terminal.

1.Remove Battery Cover (B-cover)

A.Turn the mobile terminal off.

B.Protect the main display surface with a film

C. Protect the A-Cover and Battery Cover surface with a film

D.Force to unsnap of the snaps of battery cover, and slide Battery cover away from the mobile terminal.

Page 4

© 2007 Nokia Corporation

Company Confidential

Issue 1 04/2007

 

 

 

 

 

2505 (RM-307)

 

 

 

 

 

Nokia Customer Care

Disassembly/Assembly

 

 

E. Remove battery.

 

2.Remove D-Cover

A.Use a TORX 5IP screwdriver to loosen and remove the four Torx screws (T1.4x4). When using torque driver, set torque to 9Ncm @ 450 rpm. The tolerance is +/-2Ncm.

B.Place the SRT-6 into the gap between C-Cover and D-Cover, move along with perimeter and lever the snaps to separate C-Cover and D-Cover. (Left Side)

Issue 1 04/2007

© 2007 Nokia Corporation

Company Confidential

Page 5

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