Nokia 5510 - Nokia Audio Manager; System Requirements and Installation

NPM-5
UI Module Troubleshooting PAMS Technical Documentation
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If 11.995MHz is not
oscillating at expected
frequency check U102.
Change crystal if
necessary
Music Player -
No Audio
Check CMT
Check
if VBAT,
VBB voltages are
correct
Check if
UC_VCC(U501),
DVCC(U502), CVCC(U505),
AVCC(U503) voltages
are correct
Change Regulator
Check if
32.768kHz (Y301),
11.995MHz(Y101)
crystal frequency
are correct
NO
YES
NO
NO
YES
Ensure the stereo
headset has
proper contact with
UI board
Check if
ST_DET voltage
correct
Check resistor
R607, R608
NO
YES
Check if
there is digital
activity at AD_IN signal
(U601 pin4)
Program in Nand
Flash memory
may be corrupted.
Reprogram it
Check if there is
analog signals at pin 9
and pin 10 of U601
Change AIC23
Codec (U601)
Check connectivity at L601,
L602, R613, R614,
C609,C610 and J602
YES
YES
YES
NO
NO
Check R304, R305
and B2B connection