Blu Aria - Page 32

32
No
Yes
YES
NO
YES
NO
YES
NO
No/Low sound from MIC
No/Low sound from MIC
Install the MIC cover
Check if there’s
MIC cover
*#84666*# and activate echo
loop, measure MIC MK400
voltage is 1.5V、0.7V
Replace MIC
Replace B401 or B402
Check if inductor B401、
B402 is damaged.
Replace
C431\C432
Measure C431\C432 with
multimeter to see if there’s
0.5V offset voltage
Resolder or replace
CPU U101 MT6250
END