Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Mobile Phone Nokia_7110 NSE5-018

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                                                    CONFIDENTIAL                     1 (3)




Nokia Mobile Phones                                 Service Bulletin No. SB-018/25.05.00
Technical Support, Europe & Africa

                                                    NSE-5


REPAIR INSTRUCTIONS FOR SLIDE COVER

               In some cases 'intermittent audio' or 'no audio' have been observed in NSE-5
               phones, because of defective slide cover. Following symptoms can be
               observed:

               1. Microphone does not work
               2. Digital (TDMA) noise in speaker
               3. Slide cover falling off

               1. Microphone does not work:

               Reasons for this;

               A. Short circuit between gold lane on slideflex. This short circuit often occurs
                  in the end of the slide cover, because of metal dust (gold dust) gathering
                  with too much grease.

               Repair instruction:

               Take a cotton bud and clean the flex, especially the area in the left bottom
               corner (see picture 1)




               Picture 1




NSE-5 SB-018
                                                 CONFIDENTIAL                  2 (3)




               B. The pogo pins in the microphone connector housing get stuck (see
                  picture 2)




               Picture 2

               Repair instruction:

               Change the A-cover



               2. Digital (TDMA) noise in speaker:

               Repair instructions:

               Change the slide cover




NSE-5 SB-018
                                                   CONFIDENTIAL                    3 (3)




               3. Slide cover falling off:

               A reason for this is that the phone has been dropped or hit by something.
               Another reason might be that the user has been playing with the slide
               (continuous disassembly/assembly)

               Repair instructions:

               Check the snaps on both sides: if there is no damage on them, put the slide
               cover back on the metal slide. If the snaps (just one of them) are damaged
               (see picture 3 & 4), then replace the slide cover with a new one, and put it
               back on the metal slide.




               Picture 3                               Picture 4




NSE-5 SB-018

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