Nokia 5510 NPM-5 Service Manual
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Contents
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PAGE 12 (34) Approved 1.0Nokia Mobile Phones Customer Care E&A SQX 00306-en MWyTechnical Services, Repair Concepts Confidential 20.11.20015. TROUBLESHOOTINGIn this section you will get some general hints how to carry out repairs:o When cleaning the pads you have to use a soft cloth and isopropanol. It is notallowed to use a glass fiber pencil because it scratches the surface and will leadlater on to corrosion.o Soldering with hot air gun is totally forbidden because of the very sensitive μBGAcomponents and μVia technology.o Mechanical parts, which didn’t repair the failure, can be reused, if they are notsoldered.o Use always original Nokia parts or accessories.o Don’t’ try to repair liquid damages.o Meet the torque requirements when assembling the unit.o Always use your own equipment for testing where you are sure that it works. E.g ifthe customer complains about charger function, please test the phone with yourown charger to be sure if phone or charger causes the malfunction.o The top side of a module is the side which appears first, when the product isopened.o Please check Partner Websites (PWS) for latest news on a regular basisLegend for flow chartsStart/End Point: Beginning or close of an action, process or workflowAction: Activity, part of a processDecision: Different possibilities to proceedConnection Point: Flow chart continues at different point, e.g. on the next pageStart/EndPoint Action Decision Conn.PointService Manual 5510 Level 2 Copyright 2001 © Nokia Mobile Phones |
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