Vibra - Nokia NEM-4 Series Troubleshooting Instructions

CCS Technical Documentation

VIBRA

There may be three kind of problems concerning vibra; it doesn't rotate at all, it's noisy or
it's continuously on. The noisiness is usually caused by the surrounding mechanics when
the rotating mass has contact to it.
Yes
No
Change UEM
Issue 1 09/2003
Company Confidential
Vibra doesn't rotate
Is the Vibra jammed
or its contact pads
worn
No
Measure that C134 is
pulsed down to zero
while Vibra is switched
on.
Yes
Check C134, C135,
V132 and V131
Change the Vibra
and retest.
Copyright  2003 Nokia Corporation
Company Confidential
Vibra
Malfunction
Vibra is continuously
on
Vibra works
NEM-4
BB Troubleshooting
Vibra is noisy
Check the
surrounding
mechanics of
the Vibra
Is it Vibra
Yes
component itself
that makes
noise?
No
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