Rf Trouble - LG GS205 Service Manual

4.12 RF trouble shooting
Bluetooth (MT6601)
Check the voltage on
C312 and B302(2.8±0.2V)
of voltage is ok?
YES
Check the voltage on C301
and C302(1.8±0.2) of
voltage is ok?
YES
Check C306 or C309
32MHz clock is ok?
YES
Check C307 32kHz clock
is ok?
YES
Check R301 reset
signal(high reset) is ok?
YES
Check FL301 is ok(TX
power)by spectrum?
Re-download S/W
NO
Replace U302
NO
Replace U301
NO
Replace X301
NO
check and
replace X401and U401
NO
Replace U401
NO
Replace FL301
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