Nokia 5100 NPM-6 Service Manual

Contents

nokiaC ONNECTING PEOPLE PAGE 10 (20) Approved 1.0Nokia Mobile Phones Customer Care EMEA SQX 00591-en DJkTechnical Services, Repair Concepts Confidential 10.02.20035. GENERAL REPAIR INFORMATIONIn this section the technician will get some general hints how to carry out repairs:o Before starting the repair you must take care of ESD precautions like being in your ESD Protected Area andconnecting your wristband.o Use gloves to avoid corrosion and fingerprints.o Protect windows and displays with a foil 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 aglass fiber pencil because it scratches the surface and will lead later on to corrosion.o Mechanical parts (ex. shielding lids), which didn’t repair the failure, can be reused, if they are not soldered.o Use always original Nokia parts or accessories.o Meet the torque requirements when assembling the unit (see also the document “torques for transceiverassembly” 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 complainsabout charger function, please test the phone with your own charger to be sure if phone or charger causes themalfunction.o When doing the Faultlogger entries, always note the Item code, which caused the malfunction. Also, fill in theappropriate part code from the assembly, if needed.o Please be aware that some malfunctions could be software related and solved by an update.Following General Service Bulletins have to be followed:SB-055 Common notice for good ventilationSB-089: Do not 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-122: Soldering with manual hot air gun is totally forbidden because of the very sensitive μBGAcomponents and μVia technology.SB-124 Service Policy for packaging serviced productsSB-131: Check these guidelines when refurbishing products.SB-132: You can use a Golden Phone for inspecting your measuring equipment.Please check Nokia Partner Web Site (PWS) for latest news and files on a regular basis.This legend is valid for all parts of the Quick Trouble ShooterFollow the steps until the problem is solved. If this does not help, you are not authorized to go forward.Only underlined components ( e.g. I007) can be changed.Follow the arrows step by stepPads or contacts: Check optical andmechanical condition as well ascorrosion. Clean if necessary.Check optical and mechanicalcondition of contacts as well ascorrosion. Clean with ESD brush only, ifnecessary.Measure component for electricalfunctionality and change, if needed.No more actions possible, send productto the appropriate service partner withhigher service level.Service Manual 5100 Level 1&2 Copyright 2002-2003 © Nokia Corporation