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N0/weak signal trouble shooing
No or weak signal
Inspect the antenna and
antenna connector to see
if there's any distortion
Put a false antenna at RF PA
IC to see if there's any signal
Make a false antenna at
SAW501 or SAW502,
check if there's any
Replace X801/26M
oscillator to check if
the problem is solved.
Resolder or replace
CPU MT6250
Customer Service
YES
NO
YES
NO
YES
NO
END
Replace the defective
components.
Replace RF PA IC.
Saw filter is damaged,
replace it.
OK
30
Service Manual
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