Nokia 6255 Installation instructions

Nokia Customer Care
6255/6255i/6256/6256i (RM-19)
Mobile Terminal
Issue 2 05/2005 Company Confidential ©2005 Nokia Corporation
Disassembly

6255/6255i/6256/6256i (RM-19)
Disassembly Nokia Customer Care
Page 2 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
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Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 3
Before You Begin
You need the following equipment to disassemble the 6255/6255i/6256/6256i:
• ESD protection = Always follow ESD protection guidelines when disassembling
and assembling the mobile terminals. To avoid potential ESD damage, the
recommendation is to treat all assemblies and components as if they are
sensitive to ESD.
• SRT-6 opening tool
• Screwdriver
• Tweezers
Disassembly Instructions
1. Remove the Battery Cover (E-cover)
a. Turn the mobile terminal off.
b. Apply pressure to the top of the E-cover, and push towards the bottom of the
mobile terminal until the E-cover releases from the assembly.
c. Remove the battery.

6255/6255i/6256/6256i (RM-19)
Disassembly Nokia Customer Care
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2. Remove the Co-label and B-cover Base Screw
a. Open the mobile terminal, and use tweezers to remove the co-label from the
base of the B-cover.
b. Remove the single screw at the base of the B-cover.
3. Remove the A-cover
Use the SRT-6 opening tool to remove the A-cover from the B-cover. Insert the opening
tool in the gap on the sides and pry up in the order and locations shown below.
1
2
3
4

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 5
4. Remove the Screw Grommet
Use tweezers to remove the rubber screw grommet.
5. Remove the Screws
Remove the four screws as indicated below.
Caution: Do NOT insert the screwdriver here

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Disassembly Nokia Customer Care
Page 6 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
6. Remove the D-Cover from the C-cover
Use the opening tool to pry the D-cover from the C-cover at the locations shown below.

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 7
7. Separate the Flex Cable
Using tweezers, carefully pry the flex cable connection off of the PWB. Be sure to grasp
the connector body rather than the steel cover.
Caution: Do not scrape the
PWB with the tweezers

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Disassembly Nokia Customer Care
Page 8 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
8. Remove the PWB Engine from the C-cover
Unhook the clasp, and lift the PWB to dislodge it from the guide pins and remove it from
the C-cover in the order shown.
Guide pins
1
2
3
Unhook this clasp
to remove the PWB

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 9
9. Remove the Hinge Cap
Use a screwdriver to push the hinge cap out of the hinge assembly as shown below.

6255/6255i/6256/6256i (RM-19)
Disassembly Nokia Customer Care
Page 10 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
10. Separate the B-cover from the C-cover
With the mobile terminal in the open position:
a. Apply pressure on the hinge with the screwdriver.
b. Apply opposing pressure to the middle of the B/C-cover assembly to separate
them.
A
B
B

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 11
11. Remove the Four Screws from the A-cover
12. Remove the Inner Housing from the B-Cover
Lift the housing off carefully because the UI might stick to the housing.

6255/6255i/6256/6256i (RM-19)
Disassembly Nokia Customer Care
Page 12 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
13. Remove the Main LCD Display
Pry the LCD connector flex pad off of the PWB. Be sure to grasp the connector body
rather than the cover.
14. Remove the UI PWB from the B-cover
a. Pry both LCD flex cables off of the PWB.
b. Remove the PWB from the A-cover by lifting the bottom of the PWB from the
guide pins and sliding the LCD flex cable through the opening.
Caution: Do not scrape the
PWB with the tweezers
Caution: Do not scrape the
PWB with the tweezers

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 13
15. Remove the Camera Lid
Use the tweezers to remove the camera lid.
16. Remove the Secondary LCD Display from the B-cover
17. Remove the Speaker
Use the tweezers to grasp the speaker gasket by the rubber flap and remove the gasket
and speaker from the B-cover.
Pry open here with the tweezers

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Disassembly Nokia Customer Care
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18. Remove the Hinge
Use the screwdriver to push the hinge out of the D-cover.
19. Remove the DC Jack, Vibra Motor, and Microphone
Use tweezers to remove the DC jack, vibra motor, and microphone from the D-cover.
Ensure that you do not touch the electrical connectors on each part.
20. Remove the IR Window
Use your fingers to remove the IR window from the D-cover.
DC jack
Vibra
Microphone

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 15
21. Remove the Whip Antenna
Twist the antenna stub counter-clockwise to separate it from the D-cover.

6255/6255i/6256/6256i (RM-19)
Disassembly Nokia Customer Care
Page 16 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
22. Remove the D-cover Card Trap
a. Push the bottom guide pin out of the D-cover slot.
b. Pull out the top of the card trap.
c. Slide the card trap out of the D-cover.
B
A
C

Nokia Customer Care Disassembly
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 17
23. Remove the Rubber Grommet

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Disassembly Nokia Customer Care
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