Nokia N71 User manual

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Service Manual N71 RM-67/RM-112 Copyright © 2006 NOKIA Corporation. All rights reserved.
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RM-67
Transceiver characteristics:
DUAL MODE: Tri-band phone for GSM 900/1800/1900MHz and
WCDMA 2100
CAMERA:
- 2 Megapixel camera (1600 x 1200 pixels) with up to 20x digital
zoom
- VGA camera (640 x 480 pixels) with 2x digital zoom
DISPLAY:
Main: Active matrix 2.4” QVGA color display with 262.144 colors,
resolution 320 x 240 pixel
Cover: 1.36” display: Up to 65,536 colors; 96 x 68 pixels,
BLUETOOTH
VISUAL RADIO
CARD TYPE: miniSD™
CONNECTOR: Pop-Port connector
SERVICE MANUAL
Level 1&2
Environmental characteristics:
• Lead-free soldered
Transceiver with BL-5C 970mAh Li-Ion battery pack
Talk time Standby Note
up to 4h up to 9 days Depends on network
parameters
RM-112

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CHANGE HISTORY
Status Version No. Date Comments
Draft 0.1 13.01.2006 Initial draft
Approved 1.0 03.Mar.2006 Approval
Approved 2.0 27.Apr.2006 Lid removal instruction deleted
Approved 3.0 28.Jul.2006 Exploded view and Spare Parts overview updated
Approved 4.0 12.Dec.2006 Exploded view, Spare Parts overview, Component overview updated,
Level 2 Solder components added
Page
TABLE OF CONTENTS
INTRODUCTION 3
GENERAL REPAIR INFORMATION 4
PATHFINDER FOR WORKSHOP STAFF 5
EXPLODED VIEW AND COMPONENT DISPOSAL 6
SPARE PARTS OVERVIEW 7
COMPONENT OVERVIEW 8
LEVEL 2 SOLDER COMPONENTS 9
SPARE PARTS LIST 10
SERVICE TOOLS 11
SW-UPDATE 13
DISASSEMBLY INSTRUCTION 14
ASSEMBLY INSTRUCTION 22
LEGEND FOR QUICK TROUBLE SHOOTER 29
QUICK TROUBLE SHOOTER PART 1 30
QUICK TROUBLE SHOOTER PART 2 31
QUICK TROUBLE SHOOTER PART 3 32
QUICK TROUBLE SHOOTER PART 4 33
GONOGO TEST 34
BATTERY TEST 35
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INTRODUCTION1.
The purpose of this document is to help NOKIA service levels 1 and 2 workshop technicians to service NOKIA products. This
Service Manual must be used only by authorized NOKIA service suppliers. The content of it is confidential. Please note that
NOKIA also provides other guidance documents (e.g. Service Bulletins) for service suppliers. Follow these regularly and
comply with the given instructions.
While every effort 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:
mailto:c[email protected]
Please keep in mind also that this documentation is continuously being updated and modified, so always watch out for
the newest version.
Warnings and Cautions
Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance, which include impor-
tant safety information. Note also the following:
Warnings:
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. THE CELLULAR TELEPHONE MUST NOT BE OPERATED IN
AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES, EG PETROL STATIONS (SERVICE STATIONS), BLASTING
AREAS ETC.
OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY INTERFERE WITH THE
FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES. CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE
MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE.
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.
1.
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3.
Electrostatic discharge can easily damage the sensitive components of electronic products.
Therefore, every Service Supplier must observe the precautions, mentioned in the appropriate
“Service Partner Requirements”, available on NOKIA Online. Also see ESD Protection Require-
ments in this Service Manual.

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GENERAL REPAIR INFORMATION2.
This section provides useful repair information how to carry out repairs:
Make sure your testing equipment is functioning properly before beginning repair work.
To familiarize yourself with the NOKIA product read the tutorials or user’s guide on www.nokia.com -->Support-->
Phones, by selecting the Phone Model.
Before starting repairs you must observe ESD precautions such as being in your ESD Protected Area and connecting
your wristband.
Use gloves to avoid corrosion and fingerprints.
Cover windows and displays with a protective film to avoid dust and scratches.
Use a lint-free cloth (e.g. Micro-Fibre cloth) to clean the LCD.
When cleaning the pads use a soft cloth/ESD brush and Isopropanol. Do not use a glass fiber pencil: this scratches the
surface and will corrosion.
Non-faulty mechanical parts (except shielding lids and bent parts or soldered components), may be reused if they are
not soldered.
When removing the shielding lids make sure to replace them with new ones, otherwise the high-frequency leakage
can affect the device.
Always use original NOKIA spare parts.
Check the soldering joints of the parts concerned with regard to the fault symptom (e.g. soldered connectors or
switches) and resolder them if necessary (Level 2 only).
Remove excess soldering flux after repair.
Observe the torque requirements when assembling the unit.
Preferably use your own equipment for testing. E.g. if the customer complains about charger function, please test the
phone with your own charger to determine if the malfunction is being caused by phone or charger causes the mal-
function.
A SIM card is needed for all GoNoGo tests.
When doing the fault log entries, always note the Item code of the part that caused the malfunction. Also, fill in the
appropriate part code from the assembly if needed.
Please be aware that some malfunctions may be software related and solved by an update.
There are several documents available on NOL which must be followed:
First, pay attention to the latest content pages of Service Bulletins, which are always available for each folder on NOKIA
Online. Make sure your documentation is up to date.
The service level indicator at the bottom of each document displays the appropriate target group.
Downloads > Support Library >
1. Instructions
2. General Service Bulletins
3. Product related documents
4. Spare Part Service Bulletins
5. Service Tools Service Bulletins
6. Common Software Service Bulletins
etc…
Use General SB-217 as a reference or overview.
Please also check NOKIA Online (NOL) for latest news and files on a regular basis.
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In addition to the information in this Service Manual, there are other instructions and data, which must be followed. Main
documentation database is NOKIA Online with the purpose of serving different multimedia content, like video clips or
interactive tutorials.
It is mandatory to watch for newest technical and organizational information on a daily basis to be updated as required
(see “Latest files in Support Library”). New information must be processed and implemented as soon as possible.
When logged into NOL you can also find needed information in different folders like:
Support Library
Phones
Service Manuals
Service Bulletins
Software
Repair Information
Level 1&2 e-learning (former NOKIA CarePoint) on NOKIA Online
PATHFINDER FOR WORKSHOP STAFF3.
Former NOKIA CarePoint
content, such as
Online Troubleshooting
Product Information
Videos – Disassembly/Assembly
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can be found on
NOKIA Online
NOKIA Online
Care Services
Training
Phone Models
Level 1&2 e-learning courses offer a quick overview of the NOKIA phone and support on repair and testing.
Overview & Guides
Basic information about the phone,
features, and technologies
Disassembly & Assembly
Instructions on disassembling and as-
sembling the phone
Troubleshooting
Step-by-step instructions on locating
and repairing the most common prob-
lems with the phone
To reduce the server traffic we recommend downloading the newest version of large files like videos, Phoenix packages, or
Service Manuals only once to distribute it internally for further use.

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Recommendation for the ecologically friendly disposal of components. Colorized components show the different catego-
ries. See corresponding ITEM/CIRCUIT REF in the Spare Parts Service Bulletins on NOL.
EXPLODED VIEW AND COMPONENT DISPOSAL4.

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SPARE PARTS OVERVIEW5.

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COMPONENT OVERVIEW6.

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LEVEL 2 SOLDER COMPONENTS7.

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NOL is the database where you can find the latest corresponding Service Bulle-
tins (spare parts, SWAP units and service tools).
This will ensure that you are using up-to-date order codes only.
Therefore, Service Bulletins have to be checked from NOL on daily basis.
SPARE PARTS LIST8.

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FLS-4S incl. ACF-8, Driver and User Guide
Dongle and flash device incorporated into one package, developed
specifically for POS use.
ACF-8
Universal Power Supply is used to power FLS-4S.
Travel Charger AC-4
Small and lightweight charger for fast charging of your phone battery.
Internal Battery BL-5C
Inserted under the back cover, this Li-Ion 850 mAh battery provides
power in a lightweight package.
Headset HDS-3
Small and lightweight stereo headset for handsfree functionality and
listening to FM radio.
SS-51
VGA Camera Removal Tool.
CA-53
Service Cable to connect the PC with the Pop-Port™ connector
SERVICE TOOLS9.

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RJ-99
Soldering Jig
SS-15
Camera Removal Tool (recommended)
Lead-free Solder Wire
Mandatory for lead-free products (Level 2 only).
0772040 NMP Standard Toolkit
NOKIA opening tool SRT-6 NOKIA No. 0770431
Tonichi torque driver NOKIA No. 6901525
Hoya micro Fibre cloth MX304
Dastex gloves S, M, XL
Artilux goggles AH166
Wera bit T5 867/4TX 5x50
Wera 867/4 6IP; 50mm (Torx 6 PLUS®)
Wera bit T6 867/4TX 6x50
Wera 867/1 5IP; 25mm (Torx 5 PLUS®)
Wera bit T6 PLUS® 867/4TX 6IP
Facom side cutter 416E
Facom T5 driver SP.14032
Facom T6 driver SP.14033
Facom slot screwdriver AEF. 2x35.E
Wetec tweezers 7abb SA-ESD
Wetec tweezers 22 SA-ESD
Wetec tweezers 13 SA-SMD ESD
Wetec tweezers PSF SA-ESD
Wetec ESD brush E1211
Kaiser Fototechnik airbrush 6315
Wetec dental tool DEM83266/0
RS Components Scissors 323-5732
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SW-UPDATE10.
Flash Concept – (Point of Sales)
To use FLS-4S Flash Dongle you have to 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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DISASSEMBLY INSTRUCTION11.
1. Needed tools. 2. Unlock the BATTERY COVER.
3. Remove the BATTERY COVER with the BATTERY. 4. Separate the parts from each other.
5. Open the A-COVER ASSY by lifting it with the SRT-6 on the
shown side.
6. Unlock the A-COVER.
7. Unlock the other side of the A-COVER. 8. Release the clips on both sides.
Metal tweezers SRT-6
SS-51
Camera removal tool
Torx Plus®size 5
screwdriver
Slotted screwdriver
Dental tool
SS-15
DC-Plug

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9. Carefully remove the A-COVER. 10. Unscrew the four, Torx Plus®size 5 SCREWS in the order
shown.
11. Open the FLEX connector. 12. Open the LCD connector.
13. Open the unit and unlock the snap of the B-COVER ASSY. 14. Then unlock the SHIELD LID ASSY by using a dental tool. Do
the same on both sides.
15. Take care to the grounding springs when removing the
SHIELD LID ASSY.
16. Gently, open the LCD connector.

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17. Lift the LCD a bit by using the SRT-6 and remove it from its
mounting.
18. Lift the LR LID PWB and the CAMERA as shown and remove the
modules carefully.
19. Take care to the secure pin when removing the LID PWB. 20. Open the CAMERA MAIN ASSY connector.
21. Place the SS-51 over the VGA CAMERA MODULE as shown and
press together the blades of the SS-51.
22. Now, remove the VGA CAMERA MODULE, carefully.
23. First, unlock the clip on the shown side. 24. Then, release the snap in the middle of the cover with a slot-
ted screwdriver.

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25. Gently, open a bit the B-COVER on the shown side. 26. In the following step, release the shown clip.
27. Place the SRT-6 between the B-COVER and the LID CENTER
FRAME and release the last two snaps.
28. Now, the B-COVER can be removed.
29. Protect the LCD with a film and remove it from the LID CENTER
FRAME.
30. Push the EARPIECE out of its guidance.
31. Remove the MAGNET. 32. Remove the HINGE COVERS.

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33. The HINGE is fixed in the C-COVER. 34. Use the SS-15 as a support when removing the HINGE. Posi-
tion the HINGE exactly over the recess.
35. Use a Torx driver to push out the HINGE. Take special care to
the FLEX.
36. Now, the HINGE can be removed. Please note: This part must
not be reused.
37. Push up the BUSHING with a screwdriver. 38. Gently, separate the LID CENTER FRAME from the lower block.
39. Remove the SCREW CAPS with the SRT-6. Note: Do not reuse
the SCREW CAPS.
40. Unscrew the two, Torx Plus®size 5 SCREWS in the order
shown.

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41. Place the SRT-6 between the C-COVER and the D-COVER as
shown and lift the C-COVER a bit. Do not slide the SRT-6 along the
edge.
42. Now, unlock the C-COVER.
43. Open the FLEX connector carefully. 44. Unscrew the Torx Plus®size 5 SCREW.
45. Remove the SHIELD KEY. 46. Remove the KEYMAT MENU.
47. Gently, remove the MENU KEY SURROUNDING ASSY.
Please note: This part must not be reused.
48. Feed the FLEX through the slide in the C-COVER.

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49. Fit the SRT-6 between the C-COVER SLIDE SURROUND and the
C-COVER and unlock the C-COVER SLIDE SURROUND.
50. Remove the KEYMAT assembly.
51. Separate the KEYMAT from the C-COVER SLIDE SURROUND. 52. Unlock the C-COVER SLIDE ASSY.
53. And remove it from the D-COVER. 54. Unscrew the Torx Plus®size 5 SCREW.
55. Open the SD DOOR and check, that the MINI SD card has been
removed from its slot, before removing the ENGINE MODULE from
the D-COVER.
56. Remove the ENGINE MODULE.