No Audio In (Microphone) - Nokia 5510 NPM-5 Service Manual

Nokia Mobile Phones Customer Care E&A
Technical Services, Repair Concepts

5.9 No audio in (Microphone)

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Service Manual 5510 Level 2
PAGE 23 (34)
Confidential
No/bad audio in
(microphone)
Check and
clean pads of
microphone
(MU4, bottom
side)
Check spring
contacts of
microphone
inside system
Connector
Check and
clean pads of
board to board
Connector
(MA4, top
side)
Check spring
contacts of
board to board
Connector
J301
(MU4, bottom
side)
ok ? Yes
No
Change
System
Connector
X200
ok ? Yes
No
Change UI
module MU4
I017
No ok ? Yes
SQX 00306-en MWy
- connection
- optical condition
- mech. condition
- corrosion
- connection
- optical condition
- mech. condition
- corrosion
End
Copyright 2001 © Nokia Mobile Phones
Approved 1.0
20.11.2001