Nokia Asha 308, Asha 309, RM838, RM852, RM843 Service Manual

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Service Manual for L1 and L2

Nokia Asha 308

(RM-838 / RM-852) Dual-SIM

Nokia Asha 309

(RM-843 / RM-844) Single-SIM

Key features

S40 operating system with Full Touch UI

Dual SIM (Nokia Asha 308) / Wi-Fi (Nokia Asha 309)

Capacitive touch screen

EA Games Gift (40 free games)

Version 1.0

Check the repair policy before performing any mechanical repair on Service Level 1&2!

Exploded view

Disassembly steps

Assembly hints

More

More

More

Service devices

Product controls and interfaces

Service concept

More

More

More

Solder components

More

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Nokia Asha 308, Asha 309, RM838, RM852, RM843 Service Manual

Service Manual Level 1 and 2

Nokia Asha 308

Nokia Asha 309

Exploded view

RM-838, RM-852 / RM-843, RM-844

Version 1.0

1 A-COVER ASSEMBLY

(I0001 - I0003)

A-COVER

I0001

EARPIECE

I0003

UI FRAME

I0005

 

LIGHT SWAP PWB

 

I0007

 

CAMERA

 

I0011

3

D-COVER ASSEMBLY

(I0012 - I0018)

 

AV JACK

 

I0014

 

DC JACK

 

I0015

 

SIM DOOR

 

I0016

SCREW TORX+ SIZE 4

M1.4 x 4.5

I0020

B-COVER

I0021

v1.0

TOUCH PANEL

I0002

DISPLAY

I0004

LIGHT SWAP PACKAGE

2

(I0006 - I0010)

DOMESHEET

 

 

I0006

 

 

FEM SHIELDING LID

 

 

I0009

 

 

BB SHIELDING LID

 

 

I0008

 

 

ANTENNA MODULE ASSEMBLY

4

 

(I0012, I0013)

 

IHF SPEAKER

 

I0012

 

 

ANTENNA MODULE

 

 

I0013

 

 

D-COVER

I0018

MICRO SD CARD DOOR

I0017

TYPE LABEL

I0010

SCREW TORX+ SIZE 5

M1.4 X 2.7

I0019

Only available

Not reuseable

Repair/swap

as assembly

after removal

only in level 3

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Asha 308

Nokia Asha 309

RM-838, RM-852, RM-843, RM-844

Version 1.0

Disassembly steps

For disassembling you need the Nokia Standard toolkit version 2. You will also need a DC plug, an AV plug and the camera removal tool SS-276.

Note that the disassembly instructions are made with the Dual SIM variant (Nokia Asha 308, RM-838 and RM-852).

Protect the TOUCH WINDOW with protective film.

Use the opening notch to release the BATTERY COVER.

Remove the BATTERY COVER.

Unscrew the four Torx+ size 4 screws in the order shown. Do not use them again. Discard them.

Unscrew the four Torx+ size 5 screws in the order shown. Do not use them again. Discard them.

To detach the A-COVER, first release the left side of the bottom end of the A-COVER with the SRT-6.

Continue to release the A-COVER with the SRT-6 on the SIM and SD CARD DOOR side. Be careful not to damage the SIM or SD CARD DOOR while releasing the A-COVER.

Release the right side of the bottom end of the A-COVER with the SRT-6.

Release also the LOCK KEY side with the SRT-6. Be careful not to damage the LOCK or VOLUME KEYS while releasing the A-COVER.

To remove the A-COVER, first lift up the bottom end and then release the top end.

Remove the A-COVER.

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