L2E Repair Document
TCL
Communication Ltd.
Rev.
VFD 700 Level 2 Enhance Repair Document
Page
1.0
49/77
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7.10 MIC issue
Check whether MIC is normal
Reweld or replace MIC
Y
N
c h e c k w h e t h e r s u b M I C i s
normal.
Reweld or replace sub MIC
No sound emitting or sometimes
n o s o u n d e m i t t i n g / n o i s e s ( o r
echoes) were heard by other side
during the call /recording function
failure
Y
N
Replace PCBA
Y
