Nokia 8310 - No;Bad Audio in

PAGE 20 (28) Approved 2.0
Nokia Mobile Phones Customer Care E&A SQX 00288-en MWy
Technical Services Repair Concepts
Confidential
01.10.2001
5.7 NO/BAD AUDIO IN
No/bad audio in
(Microphone)
ok ?
Change
Microphone
ok ?
Send to
Service Center
END
Yes
No
No Yes
Check spring
contacts of the
Microphone
- connection
- optical condition
- mech. condition
- corrosion
Check and
clean pads of
the System
Connector
(LA5 bottom
side).
Service Manual 8310 Level 2 Copyright 2001 © Nokia Mobile Phones