Advertisement
8-3-4. Microphone Part
Microphone does not work
MIC_BIAS1_EN = 1.8V?
(TP: U520 Pin 3)
MIC_BIAS1_2.1V = 2.1V?
(TP: C521)
Check the related circuit
Is it work?
END
Yes
Yes
Yes
Yes
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Replace PBA
No
Check and re-solder U520
No
Re-solder MIC520
8-12
Level 3 Repair
Advertisement
