Nokia 7110 Service Bulletin 018

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)

NSE-5 SB-018

Picture 1

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