34
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
Press power on and side button to test
mode and activate echo loop, measure
MIC MK1001 voltage is 1.5V
、
0.7V
Replace MIC
ReplaceB1108 or B1109
Check if inductor B1108
、
B1109 is damaged.
Replace
C1124
、
C1125
Measure C1124
、
C1125
with multimeter to see if
there’s 0.5V offset voltage
Resolder or replace
CPU U101
MT6589
END
Содержание LIFE ONE M
Страница 1: ...1 BLU Life One Service Manual...
Страница 15: ...15 Side A layout Side B layout...
Страница 16: ...16 CHAPTER 6 CIRCUIT INSTRUCTION CHAPTER 7 UNIT CIRCUIT PRINCIPLE INTRODUCTION...
Страница 19: ...19 Data transmission mailing address...
Страница 23: ...23 SKY7775XX POWER AMPLIFIER MODULE FOR CDMA WCDMA HSDPA HSUPA HSPA LTE DAND...
Страница 42: ...42 4 click finished as below Click here...