Nokia Customer Care NEM-4 Series Cellular Phones 5 - Disassembly Instructions Issue 2 09/2004 Copyright © 2004 Nokia Corporation.
NEM-4 Company Confidential 5 - Disassembly Instructions Nokia Customer Care Table of Contents Page No Disassembly instructions................................................................................................ 3 Assembly instructions .................................................................................................... 6 NEM-4 Dome Sheet Exchange ......................................................................................
Company Confidential NEM-4 5 - Disassembly Instructions Nokia Customer Care Disassembly instructions Press the Release Button before removing B-Cover. The A-Cover is attached with snaps. Open both snaps before removing A-cover. 3 1 9 4 2 5 8 7 6 Remove A-cover and keymats. Unscrew the Torx PLUS size 6 screws, using the order shown. For assembly, take reverse order and torque of 26Ncm. Press down the PWB with fingers. Remove UI-Shield.
NEM-4 Company Confidential 5 - Disassembly Instructions Nokia Customer Care Always protect LCD with protection foil to avoid dust and scratches. Take Engine from Chassis. Remove Mono Jack from Chassis. Remove Stereo Jack from Chassis. Remove DC Connector from Chassis with Torx. Put Torx under the DC Connector (1) and bend (2). Remove Microphone from Chassis with Torx. Put Torx hole behind Microphone and push carefully. Page 5-4 Copyright © 2004 Nokia Corporation.
Company Confidential NEM-4 5 - Disassembly Instructions Nokia Customer Care Remove the Vibra Motor from its guidance with tweezers. Remove Antenna from Chassis with tweezers. Remove HF Speaker from Chassis with screwdriver. Put screwdriver between Chassis and HF Speaker then bend screwdriver. Take care not to damage the snaps by bending them too much. Remove Earpiece with screwdriver from Chassis by bending the snaps carefully. Remove Release Button with screwdriver from Chassis.
NEM-4 Company Confidential 5 - Disassembly Instructions Remove Domesheet with Tweezers from PWB Engine. Nokia Customer Care Remove Domesheet with Tweezers from PWB Engine. Assembly instructions Note! The silicon gasket may stick in the PWB. Damaged and loose silicon gasket must be replaced with a spare part gasket. Page 5-6 Replace damaged or loose silicon gasket with a spare part gasket. Fix the gasket carefully with tweezers in chassis. Copyright © 2004 Nokia Corporation.
Nokia Customer Care Company Confidential NEM-4 5 - Disassembly Instructions NEM-4 Dome Sheet Exchange Put the PWB Module into the Soldering Jig. Use the SRT-6 to remove the faulty Dome Sheet. Place it under the Dome Sheet as shown in the picture and lift it up carefully from PWB Module. Take care about components on the PWB Module during removal of the Dome Sheet. Use the same procedure also for the Dome Sheet Left. Clean the pads on the PWB Module with a clean cloth if necessary.
NEM-4 Company Confidential 5 - Disassembly Instructions Nokia Customer Care Remove the protection film. Tweezers can be used for retaining the Dome Sheet. Use the same procedure also for the Dome Sheet Left. Arrows point to the right assembly position. Put the PWB Module onto the Assembly Jig carefully. Press on PWB Module after checking that all guiding pins are positioned correctly. Do not touch the spring contacts. Finally check that the holes of Dome Sheet are centered to the PWB module holes.
