L2 Repair Document
TCL
Communication Ltd.
Rev.
VFD 900 Level 2 Repair Document
Page
1.3
64/74
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6.10 MIC issue
Check whether MIC is normal
Reweld or replace MIC
N
Y
Reassemble or replace
main
FPC
Check whether the connection
between main FPC and main
FPC connector is good
Y
No sound emitting or sometimes
no sound emitting/ noises were
heard by other side during the call
/recording function failure /
Y
N
Replace PCBA
N
Reweld or replace sub MIC
Y
I f t h e r e i s s u b M I C , p l e a s e
c h e c k w h e t h e r s u b M I C i s
normal.
N
Reweld or replace main
FPC connector
C h e c k w h e t h e r m a i n F P C
connector is normal
Y
