Nokia Asha 305 RM 766, 306 767, 768 Service Manual Level 1&2. Www.s Manuals.com. 1,2 V1.0

User Manual: Phone Nokia Asha 306 RM-767, RM-768 - Service manuals and Schematics, Disassembly / Assembly. Free.

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Page Count: 22

1. COPYRIGHT
2. WARNINGS AND CAUTIONS
- 2.1 Warnings
- 2.2 Cautions
3. ESD PROTECTION
4. CARE AND MAINTENANCE
5. BATTERY INFORMATION
6. EXPLODED VIEW
7. SERVICE DEVICES
8. SOFTWARE UPDATE
9. DISASSEMBLY INSTRUCTIONS
10. ASSEMBLY HINTS
11. SOLDER COMPONENTS
- 11.3 Asha 305(RM-766)
- 11.4 Asha 306 (RM-767, RM-768)

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SERVICE MANUAL

Level 1&2

Nokia Asha 305

RM-766

Nokia Asha 306

RM-767/RM-768

Transceiver characteristics

Band

GSM 900/ 1800 MHz (RM-766)

GSM 900/ 1800 MHz (RM-767)

GSM 850/ 1900 MHz (RM-768)

Displa y

3.0” WQVGA TFT Display, 240 x 400 pixels

Came ra

2Mpix

Ope ra ting System

S40

Connections

GPRS

WAP 2.0

Bluetooth 2.1

FM Radio

IEEE 802.11 b/g WLAN

(RM-767 / RM-768)

3.5mm AV Jack

2.0mm DC Jack

Micro USB

Micro SD card slot

Transceiver with BL-4U battery pack

Talk time

Standby

Asha 305

GSM-A: up to 5.5 h

Best time: up to 13.6 h

Asha 305

GSM-A: up to 432 h

Best time: up to 487 h

Asha 306

GSM-A: up to 5.4 h

Best time: up to 9.8 h

Asha 306

GSM-A: up to 587 h

Best time: up to 620 h

Note:

Talk times are dependent on network

parameters

and phone settings

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Ta ble of c onte nts

1. COPY RIGHT ............................................................................................................................ 4

2. WARNINGS AND CAUTIONS ..................................................................................................... 5

2.1 WARNINGS ....................................................................................................................... 5

2.2 CAUTIONS ....................................................................................................................... 5

3. ESD PROTECTION ................................................................................................................... 6

4. CARE AND MAINTENANCE........................................................................................................ 7

5. BATTERY INFORMATION.......................................................................................................... 8

6. EXPLODED VIEW ..................................................................................................................... 9

7. SERVICE DEVICES .................................................................................................................... 10

8. SOFTWARE UPDATE ................................................................................................................ 11

9. DISASSEMBLY INSTRUCTIONS ................................................................................................. 12

10. ASSEMBLY HINTS .................................................................................................................... 19

11. SOLDER COMPONENTS ........................................................................................................... 20

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CHANGE HISTORY

Sta tus Version No. Date Comments

Approved 1.0 06.06.2012 First approved version

The purpose of this document is to help NOKIA service levels 1 and 2 workshop technicians

to carry out service to NOKIA products. This Service Manual is to be used only by authorized

NOKIA service suppliers, and the content of it is confidential. Please note that NOKIA

provides also other guidance documents (e.g. Service Bulletins) for service suppliers, follow

these regularly and comply with the given instructions.

While every endeavor has been made to ensure the accuracy of this document, some errors

may exist. If you find any errors or if you have further suggestions, please notify NOKIA

using the address below:

Nokia Care Academy

service.manuals@nokia.com

Please keep in mind also that this documentation is continuously being updated and

modified, so watch always out for the newest version.

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1. COPYRIGHT

Reproduction, transfer, distribution or storage of part or all of the contents in this

document in any form without the prior written permission of Nokia is prohibited.

Nokia, Nokia Connecting People, and Nokia X and Y are trademarks or registered

trademarks of Nokia Corporation. Other product and company names mentioned herein

may be trademarks or tradenames of their respective owners.

Nokia operates a policy of continuous development. Nokia reserves the right to make

changes and improvements to any of the products described in this document without

prior notice.

Under no circumstances shall Nokia be responsible for any loss of data or income or any

special, incidental, consequential or indirect damages howsoever caused.

The contents of this document are provided “as is”. Except as required by applicable law,

no warranties of any kind, either express or implied, including, but not limited to, the

implied warranties of merchantability and fitness for a particular purpose, are made in

relation to the accuracy, reliability or contents of this document. Nokia reserves the right to

revise this document or withdraw it at any time without prior notice.

The availability of particular products may vary by region.

IMPORTANT

This document is intended for use by qualified service personnel only.

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2. WARNINGS AND CAUTIONS

Please refer to the phone’s user guide for instructions relating to operation, care and

maintenance including important safety information. Note also the following:

2.1 Wa rning s

1. CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE

MANAGEMENT SYSTEMS AND ANTI–SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT

CONDITIONS, EMITTED RF ENERGY CAN AFFECT THEIR OPERATION. IF NECESSARY,

CONSULT THE VEHICLE DEALER/MANUFACTURER TO DETERMINE THE IMMUNITY OF

VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY.

2. THE HANDPORTABLE TELEPHONE MUST NOT BE OPERATED IN AREAS LIKELY TO

CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES, EG PETROL STATIONS (SERVICE

STATIONS), BLASTING AREAS ETC.

3. OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR

TELEPHONES, MAY INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY

PROTECTED MEDICAL DEVICES. CONSULT A PHY SICIAN OR THE MANUFACTURER OF THE

MEDICAL DEVICE IF Y OU HAVE ANY QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY

ALSO BE SUBJECT TO INTERFERENCE.

2.2 Cautions

1. Servicing and alignment must be undertaken by qualified personnel only.

2. Ensure all work is carried out at an anti–static workstation and that an anti–static wrist

strap is worn.

3. Use only approved components as specified in the parts list.

4. Ensure all components, modules screws and insulators are correctly re–fitted after

servicing and alignment.

5. Ensure all cables and wires are repositioned correctly

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3. ESD PROTEC TIO N

Nokia requires that service points have sufficient ESD protection (against

static electricity) when servicing the phone.

Any product of which the covers are removed must be handled with ESD

protection. The SIM card can be replaced without ESD protection if the

product is otherwise ready for use.

To replace the covers ESD protection must be applied.

All electronic parts of the product are susceptible to ESD. Resistors, too,

can be damaged by static electricity discharge.

All ESD sensitive parts must be packed in metallized protective bags

during shipping and handling outside any ESD Protected Area (EPA).

Every repair action involving opening the product or handling the product

components must be done under ESD protection.

ESD protected spare part packages MUST NOT be opened/closed out of

an ESD Protected Area.

For more information and local requirements about ESD protection and

ESD Protected Area, contact your local Nokia After Market Services

representative.

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4. CARE AND MAINTENANCE

This product is of superior design and craftsmanship and should be treated with care. The

suggestions below will help you to fulfil any warranty obligations and to enjoy this product

for many years.

• Keep the phone and all its parts and accessories out of the reach of small

children.

• Keep the phone dry. Precipitation, humidity and all types of liquids or

moisture can contain minerals that will corrode electronic circuits.

• Do not use or store the phone in d usty, dirty areas. Its moving parts can

be damaged.

• Do not store the phone in hot areas. High temperatures can shorten the

life of electronic devices, damage batteries, and warp or melt certain

plastics.

• Do not store the phone in cold areas. When it warms up (to its normal

temperature), moisture can form inside, which may damage electronic

circuit boards.

• Do not drop, knock or shake the phone. Rough handling can break

internal circuit boards.

• Do not use harsh chemicals, cleaning solvents, or strong detergents to

clean the phone.

• Do not paint the phone. Paint can clog the moving parts and prevent

proper operation.

• Use only the supplied or a n approved replacement antenna.

Unauthorised antennas, modifications or attachments could damage the

phone and may violate regulatio ns governing radio devices.

All of the above suggestions apply equally to the product, battery, charger or any

accessory.

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5. BATTE RY INF ORM A TIO N

Note: A new battery’s full performance is achieved only after two or three complete charge

and discharge cycles! The battery can be charged and discharged hundreds of times but it

will eventually wear out.

When the operating time (talk-time and standby time) is noticeably shorter than normal, it

is time to buy a new battery. Use only batteries approved by the phone manufacturer and

recharge the battery only with the chargers approved by the manufacturer.

Unplug the charger when not in use. Do not leave the battery connected to a charger for

longer than a week, since overcharging may shorten its lifetime.

If left unused a fully charged battery will discharge itself over time Temperature extremes

can affect the ability of your battery to charge.

For good operation times with Ni-Cd/NiMh batteries, discharge the battery from time to

time by leaving the product switched on until it turns itself off (or by using the battery

discharge facility of any approved accessory available for the product).

Do not atte mpt to discharge the battery by any other means Use the battery only for its

intended purpose.

Never use any charger or battery which is damaged.

Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic

object (coin, clip or pen) causes direct connection of the + and - terminals of the battery

(metal strips on the battery) for example when you carry a spare battery in your pocket or

purse. Shortcircuiting the terminals may damage the battery or the connecting object.

Leaving the battery in hot or cold places, such as in a closed car in summer or winter

conditions, will reduce the capacity and lifetime of the battery. Always try to keep the

battery between 15°C and 25°C (59°F and 77°F).

A phone with a hot or cold battery may temporarily not work, even when the battery is fully

charged. Batteries’ performance is particularly limited in temperatures well below freezing.

Do not dispose batteries in a fire! Dispose of batteries according to local regulations (e.g.

recycling).

Do not dispose as household waste.

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6. EXPLODED VIEW

SCREW TORX+

SIZE 4 M1.4 X 3.8

I0024

SCREW TORX+

SIZE 5 M1.4 x 2.7

I0025

A-COVER ASSEMBLY

(I0001 - I0003)

LIGHT SWAP PACKAGE

(I0007 - I0011)

D-COVER ASSEMBLY

(I0016 - I0022)

CAMERA

I0010

EARPIECE GASKET & MESH

I0003

EARPIECE

I0004

UI FRAME

I0006

LIGHT SWAP PWB

I0008

AV JACK

I0016

DC JACK

I0017

VOLUME KEY

I0019

TYPE LABEL

I0011

LOCK KEY

I0020

A-COVER

I0002

BATTERY COVER

I0026

ANTENNA

I0023

SPEAKER INSIDE GASKET

I0018

SPEAKER GASKET & MESH

I0022

TOUCH WINDOW

I0001

DISPLAY

I0005

DOMESHEET

I0007

BB SHIELDING LID

I0009

IHF SPEAKER

I0015

D-COVER

I0021

FEM SHIELDING LID

I0012

BT/FM SHIELDING LID

I0013

WLAN SHIELDING LID

I0014

*NOTE: Only RM-767 and RM-768 *NOTE: Only RM-767 and RM-768

v1.0

Only available

as assembly

Not reuseable

after removal

Repair/swap

only in level 3

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7. SERVICE DEVICES

CA-190CD Service Cable

AC-11 Travel Charger

Battery BL-4U

SS-276 Camera re moval tool

Nokia Standard Toolkit (v2)

For more information, refer to

the Service Bulletin (SB-011) on

Nokia Online. Supplier or

manufacturer contac ts for tool

re-order can be found in

“Recommended service

equipment” document on Nokia

Online.

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8. SOFTWARE UPD ATE

Flash concept (Point of Sale)

To use the FLS-5 Flash Dongle, follow the user guide inside the sales package. Please check

always for the latest version of flash software, which is available on Nokia Online.

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9. DISASSEMBLY INSTRUCTIONS

1) Nokia Asha 305/306 disassembly.

Note that the disassembly instructions are made

with dual SIM variant.

2) For disassembling you need the Nokia Standard

Toolkit version 2. You will also need the camera

removal tool SS-276.

3) Protect the TOUCH WINDOW with protective

film.

Before disassembling the device make sure the

SD and the SIM cards are removed.

5) Use the opening notch to release the B ATTE RY

COVER and remove the cover.

6) Unscrew the four Torx+ size 4 screws in the

order shown. Do not use them again. Discard

them.

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7) To detach the A-COVER, first release the

bottom end of the A-COVER with the SRT-6.

8) Continue to release the A-COVER with the SRT-

6 on the VOLUME KEY side.

9) Release also the SIM DOOR side with the SRT-6. 10) To remove the A-COVER, first lift up the

bottom end of the A-COVER and then release the

top end of the cover.

11) Remove the A-COVER. 12) Protect the DISPLAY with protective film.

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13) Protect the inner side of the TOUCH WINDOW

with protective film.

14) Remove the EARPIECE with the tweezers. Do

not use it again.

15) Use the tweezers to peel off the EARPIECE

GASKET with MESH. Do not use it again.

16) Unscrew the four Torx+ size 5 screws in the

order shown.

The screws are not reusable. Discard

them.

17) Use the SS-93 to carefully lift up the UI FRAME

a little bit to gain access to the DISPLAY

CONNECTOR.

18) Disconnect the DISPLAY CONNECTOR with the

SS-93. Be careful not to damage any components

nearby.

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19) Remove the UI FRAME including the DISPLAY. 20) Detach the DISPLAY from the UI FRAME with

the SS-93.

21) Separate the DISPLAY and the UI FRAME. 22) Use the SS-93 to lift up the ENGINE BOARD.

23) Remove the ENGINE BOARD. 24) Release one corner of the DOMESHEET with

the SS-93 and then peel it off with fingers. Do not

use the DOMESHEET again.

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25) Place the camera removal tool SS-276 on top

of the CAMERA and push down the button on top

of the SS-276. Lift the SS-276 up and remove the

CAMERA.

26) Use the dental tool to detach the BB

SHIELDING LID. Be careful not to injure yourself

with the sharp end of the dental tool.

27) Remove the BB SHIELDING LID with the

tweezers. Do not use the BB SHIELDING LID again.

Discard it.

28) Use the SS-93 to lever out the AV JACK.

29) Remove the AV JACK with the tweezers.

30) Use the SS-93 to lever out the DC JACK.

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31) Remove the DC JACK with the tweezers.

32) Use the SS-93 to detach the IHF SPEAKER.

33) Remove the IHF SPEAKER with the tweezers.

The IHF SPEAKER cannot be reused.

34) Use the dental tool to carefully peel off the

SPEAKER INSIDE GASKET. Remove the gasket with

the tweezers and discard it. Make sure there are

no adhesive residues left.

35) Use the tweezers to carefully remove the

SPEAKER GASKET with MESH. Do not use it again.

Make sure there are no adhesive residues left in

the slot.

36) Release the hook holding the ANTENNA with

the SS-93.

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37) Release the bottom end of the ANTENNA with

the SS-93.

38) Remove the ANTENNA.

-END OF DISASSEMBLY-

39) Now the Nokia Asha 305/306 disassembly

procedure is complete.

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10.ASSEMBLY HINTS

1) When assembling the IHF SPEAKER, check that

the speaker is aligned correctly.

2) When assembling the EARPIECE, check that the

EARPIECE is aligned correctly.

3) Tighten the four Torx+ size 5 screws to the

torque of 14 Ncm in the order shown.

4) Tighten the four Torx+ size 4 screws to the

torque of 16 Ncm in the order shown.

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11.SOLDER COMPONENTS

11.3 Asha 305(RM-766)

X2501

F2051F2050 E7455

X2502X2500

S2543 S2542 S2541 E7452E7454

E7453

Grounding

spring

Display

connector

Grounding

spring

USB

fuse

BT Antenna

grounding spring

Charger

fuse

Volume key

switch

Volume key

switch

Lock key

switch

Antenna

grounding spring

Antenna

grounding spring

Antenna

spring

TOP

BOTTOM

v1.0

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11.4 Asha 306 (RM-767, RM-768 )

F2051F2050 E7455

X2500

S2543 S2542 S2541 E7452E7454

E7453

X2541

X2540

Grounding

spring

Display

connector

Grounding

spring

USB

fuse

BT Antenna

grounding spring

Charger

fuse

Volume key

switch

Volume key

switch

Lock key

switch

Antenna

grounding spring

Antenna

grounding spring

Antenna

spring

TOP

BOTTOM

v1.0

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