TCL Alcatel Idol4 - MIC Issue

L2 Repair Enhance Document TCL Communication Ltd.
Rev.
ONE TOUCH 6055K/P/Y/B/H Level 2 Enhance Repair Document
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7.2.7 MIC issue
Check whether MIC is normal
Reweld or replace MIC
Y
N
If there is sub MIC, please
check whether connector
J2501 is normal.
R e w e l d o r r e p l a c e
connector J2501
No sound emitting or sometimes
no sound emitting/ noises (or
echoes) were heard by other side
during the call /recording function
failure
Y
N
Replace PCBA
Y