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8-3-20. FM Radio Part
FM Radio does not work
Check VDD_IO_LOW_1.8V,
VDD_IO_HIGH_2.6V
Check 32khz_digit clock and
SCL, SDA data line
Check Audio signal
waveform (ANL, ANR)
using oscilloscope
Yes
Is it working?
Yes
Yes
Yes
END
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No
Check the U300 clock generater part
No
UCP200 I2C Part (SCL,SDA)
No
8-53
Level 3 Repair
Check the PMU part
and
Check the C437, C438
or
Resolder or Replace U405
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