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PAGE 4 (27) Approval 4.0
Nokia Mobile Phones Customer Care EMEA
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Technical Services, Repair Concepts Confidential 11.11.2003
2. GENERAL REPAIR INFORMATION
IN THIS SECTION THE TECHNICIAN WILL GET SOME GENERAL HINTS HOW TO CARRY OUT REPAIRS:
o To familiarize oneself with Nokia 3650 / 3660 read the tutorials or user guide on
www.nokia.com
-->Support--> Phones, by selecting the Phone Model.
o Before starting the repair you must take care of ESD precautions like being in your ESD Protected Area
and connecting your wristband.
o Use gloves to avoid corrosion and fingerprints.
o Protect windows and displays with a film to avoid dust and scratches.
o When cleaning the pads you have to use a soft cloth/ESD brush and Isopropanol. It is not allowed to use
a glass fiber pencil because it scratches the surface and will lead later on to corrosion.
o Mechanical parts (except shielding lids), which didn’t repair the failure, can be reused, if they are not
soldered.
o When removing the shielding lids make sure to replace them with new ones, otherwise the high-
frequency leakage can have an influence on the device.
o Use always original Nokia spare parts.
o Check the soldering joints of the parts which are concerned regarding the indicated error
(e.g. soldered connectors or switches) and resolder them if necessary (Level 2 only).
o Remove redundant soldering flux after repair.
o Meet the torque requirements when assembling the unit (see also the document “torques for
transceiver assembly” on Nokia Partner Web Site).
o Always use your own equipment for testing where you are sure that it works. E.g. if the customer
complains about charger function, please test the phone with your own charger to be sure if phone or
charger causes the malfunction.
o When doing the Faultlogger entries, always note the Item code, which caused the malfunction. Also, fill
in the appropriate part code from the assembly, if needed.
o Please be aware that some malfunctions could be software related and solved by an update.
These mention Service Bulletins have to be followed:
General
SB-027: Original Nokia Accessories
SB-089: Don’t try to repair prototypes (indicated on Type Label).
SB-107: Be sure that you have minimum hardware requirements in place.
SB-115: Handling of liquid damages.
SB-121: Return the defective part, if one of your service tools causes malfunction.
SB-124 Service Policy for packaging serviced products
SB-131: Check these guidelines when refurbishing products.
SB-148: Improvements to Faultlog Reporting Tool
SB-156: Packing Material
SB-161: New structure of General Bulletins
SB-163: Service handling of PWBs and PCBs during repair process
SB-164: New barcode for future products
SB-165: NMP Global Symptom Codes
SB-167: NMP Global Fault Codes (Level 1&2)
Service Tools
SB-011: NMP Standard Toolkit
Spare Parts
SB-004: New swap phone cartons
Please check Nokia Partner Web Site (PWS) for latest news and files on a regular basis.
Service Manual 3650 / 3660 Level 1&2 Copyright 2003 © Nokia Corporation
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