L2 Repair Enhance Document
TCL
Communication Ltd.
Rev.
Neon PRD62980/62981 L2 Enhance Repair Document
Page
1.0
61/69
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7.2.7 MIC issue
Check whether MIC is normal
Reweld or replace MIC
Y
N
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 c o n n e c t o r
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
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