L2E Repair Document
TCL
Communication Ltd.
Rev.
5085Y/D/A/B/J/Q/I/N/H
L2E Repair Document
Page
1.3
44/58
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7.2.3 TP function failure
Check whether the connection
between TP and J0902 is good
N
Y
N
Check whether TP is normal
（
interchange method
）
Y
Check whether J0902 is normal
N
Reassemble TP
Change
TP
Reweld or replace
J0902
Y
Y
Replace Main PCBA
C h e c k w h e t h e r U 0 5 01 i s
normal
N
Reweld or replace
U0501
