L2E Repair Document
TCL
Communication Ltd.
Rev.
9015W Level 2 Enhance Repair Document
Page
1.0
48/62
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8.2.3 TP function failure
Check whether the connection
between TP and connector is
good
N
Y
N
Check whether TP is normal
（
interchange method
）
Y
Reassemble TP
Change
TP
Replace Main PCBA
Y
C h e c k w h e t h e r U 6 0 3 i s
normal
N
Reweld or replace
U603
8.2.4 Voice transmitting failure
Y
C h e c k w h e t h e r M I C i s
normal
N
R e w e l d o r r e p l a c e
MIC
Replace Main PCBA
8.2.5 SIM card is not recognized
