Blu ARIA II, Service Manual

Page: 33 / 50

33
Receiver low voice or no voice
NO
NO
NO
NO
YES
YES
YES
YES NO
NO
Replace the
receiver.
Measure the signal
with oscillograph
under calling mode
Receiver is low.
Check if LS401
is damaged.
Re-weld clean LS401
Check if the receiver
is broken or damaged
Test if there’s sound from
receiver with multimeter
Replace receiver
Replace CPU
U101 MT6260
Set the phone as
hands-free mode
END