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
Page 4 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
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
6255/6255i/6256/6256i (RM-19)
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
6255/6255i/6256/6256i (RM-19)
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
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