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L2E Repair Document
TCL
Communication Ltd.
Rev.
VFD 700 Level 2 Enhance Repair Document
Page
1.0
57/77
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8.2.4 TP function failure
Check whether the connection
between TP and J1101 is good
N
Y
N
Check whether TP is normal
(
interchange method
)
Y
Check whether J1101 is normal
N
Reassemble TP
Change
TP
Reweld or replace
J1101
Replace Main PCBA
Y
8.2.5 Voice transmitting failure
Replace main PCBA
Y
Check whether M1501 is
normal
N
Reweld or replace
M1501
Y
Check whether M1502 is
normal
N
Reweld or replace
M1502
Y
Main MIC
Y
Sub MIC