Nokia 5510 Troubleshooting Manual page 84

NPM-5
UI Module Troubleshooting
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FM/Line-In
Recording
Malfunction
Is MP3
functioning
OK?
YES
Is FM
Radio
functioning
OK?
YES
Run FM/Line-In
Recording
Function
Ensure there is
analog signal at
pin 19 and pin 20
of U601
Check if there is
digital signal at pin 6 of
U601(AD_OUT)
YES
Use NAM to check the
Nand Memory to
ensure it is not full and
the memory content
can be accessed.
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PAMS Technical Documentation
Go to MP3
NO
Troubleshooting
section.
Go to FMR
NO
Troubleshooting
section.
NO
NO
Change AIC23
Codec (U601)
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